1924 closes out with the commissioning of the Monarch Mk2 pair of ships. So naturally there is an absolute need to have a battleship class in production. However, with many other pressing needs, there are a number of other things that are needed, and limited resources. While 2 of these could be laid down, it would max out capacity, and a need to make them lighter does exist:
Sublimis, Aztec Battleship laid down 1925
Displacement:
32,188 t light; 34,133 t standard; 37,240 t normal; 39,725 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(642.64 ft / 636.48 ft) x 111.55 ft x (29.51 / 31.16 ft)
(195.88 m / 194.00 m) x 34.00 m x (9.00 / 9.50 m)
Armament:
8 - 15.75" / 400 mm 45.0 cal guns - 1,969.41lbs / 893.31kg shells, 120 per gun
Breech loading guns in turret on barbette mounts, 1925 Model
4 x 2-gun mounts on centreline ends, evenly spread
2 raised mounts - superfiring
16 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 200 per gun
Quick firing guns in deck and hoist mounts, 1925 Model
8 x Twin mounts on sides, evenly spread
8 - 2.76" / 70.0 mm 50.0 cal guns - 11.08lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1925 Model
8 x Single mounts on centreline, evenly spread
8 raised mounts
20 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,000 per gun
Anti-air guns in deck and hoist mounts, 1925 Model
10 x Twin mounts on sides, evenly spread
Weight of broadside 16,997 lbs / 7,710 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 13.4" / 340 mm 420.11 ft / 128.05 m 14.76 ft / 4.50 m
Ends: 3.15" / 80 mm 108.27 ft / 33.00 m 9.84 ft / 3.00 m
108.10 ft / 32.95 m Unarmoured ends
Main Belt covers 102 % of normal length
- Torpedo Bulkhead - Additional damage containing bulkheads:
2.36" / 60 mm 420.11 ft / 128.05 m 28.08 ft / 8.56 m
Beam between torpedo bulkheads 91.86 ft / 28.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 15.7" / 400 mm 8.66" / 220 mm 14.2" / 360 mm
2nd: 3.15" / 80 mm 1.97" / 50 mm 3.15" / 80 mm
4th: - - 0.79" / 20 mm
- Protected deck - multiple decks:
For and Aft decks: 5.51" / 140 mm
Forecastle: 0.00" / 0 mm Quarter deck: 3.15" / 80 mm
- Conning towers: Forward 5.91" / 150 mm, Aft 5.91" / 150 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 66,977 shp / 49,965 Kw = 24.00 kts
Range 12,000nm at 14.00 kts
Bunker at max displacement = 5,592 tons
Complement:
1,339 - 1,742
Cost:
£9.909 million / $39.634 million
Distribution of weights at normal displacement:
Armament: 3,434 tons, 9.2 %
- Guns: 3,434 tons, 9.2 %
Armour: 13,344 tons, 35.8 %
- Belts: 3,807 tons, 10.2 %
- Torpedo bulkhead: 1,031 tons, 2.8 %
- Armament: 3,485 tons, 9.4 %
- Armour Deck: 4,736 tons, 12.7 %
- Conning Towers: 284 tons, 0.8 %
Machinery: 2,175 tons, 5.8 %
Hull, fittings & equipment: 12,546 tons, 33.7 %
Fuel, ammunition & stores: 5,052 tons, 13.6 %
Miscellaneous weights: 689 tons, 1.9 %
- Hull above water: 272 tons
- On freeboard deck: 120 tons
- Above deck: 297 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
57,176 lbs / 25,934 Kg = 29.3 x 15.7 " / 400 mm shells or 11.1 torpedoes
Stability (Unstable if below 1.00): 1.11
Metacentric height 7.1 ft / 2.2 m
Roll period: 17.5 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.54
Seaboat quality (Average = 1.00): 1.10
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.622 / 0.629
Length to Beam Ratio: 5.71 : 1
'Natural speed' for length: 25.23 kts
Power going to wave formation at top speed: 50 %
Trim (Max stability = 0, Max steadiness = 100): 64
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 22.97 ft / 7.00 m, 21.33 ft / 6.50 m
- Forward deck: 30.00 %, 21.33 ft / 6.50 m, 17.39 ft / 5.30 m
- Aft deck: 35.00 %, 17.39 ft / 5.30 m, 17.39 ft / 5.30 m
- Quarter deck: 15.00 %, 17.39 ft / 5.30 m, 17.39 ft / 5.30 m
- Average freeboard: 18.90 ft / 5.76 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 72.5 %
- Above water (accommodation/working, high = better): 138.0 %
Waterplane Area: 53,002 Square feet or 4,924 Square metres
Displacement factor (Displacement / loading): 111 %
Structure weight / hull surface area: 206 lbs/sq ft or 1,005 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.41
- Overall: 1.00
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Quarterdeck: 80mm monolithic on top of End Belt. End Belt covers QD/Steering area
Main Deck: 110mm main deck, 30mm Splinter Deck
Main Belt: Upper half uniform 360mm. Lower half tapers from 360mm to 280mm on bottom edge
344t - 1918 FC
50t - 2 x 1912 NF Devices
25t - LR Radio
120t - 4 x Armed Floatplane Spotter, provision for 4 x Catapult
150t - Admiral's Quarters and Flag Bridge
Alternate design. Slightly less armor, slightly fewer accoutrements. The important part for this ship is that she costs the same per HY as the extant Monarch-class.
Sublimis, Aztec Battleship laid down 1925
Displacement:
31,415 t light; 33,344 t standard; 36,415 t normal; 38,872 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(642.64 ft / 636.48 ft) x 111.55 ft x (28.88 / 30.50 ft)
(195.88 m / 194.00 m) x 34.00 m x (8.80 / 9.30 m)
Armament:
8 - 15.75" / 400 mm 45.0 cal guns - 1,969.41lbs / 893.31kg shells, 120 per gun
Breech loading guns in turret on barbette mounts, 1925 Model
4 x 2-gun mounts on centreline ends, evenly spread
2 raised mounts - superfiring
16 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 200 per gun
Quick firing guns in deck and hoist mounts, 1925 Model
8 x Twin mounts on sides, evenly spread
8 - 2.76" / 70.0 mm 50.0 cal guns - 11.08lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1925 Model
8 x Single mounts on centreline, evenly spread
8 raised mounts
20 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,000 per gun
Anti-air guns in deck and hoist mounts, 1925 Model
10 x Twin mounts on sides, evenly spread
Weight of broadside 16,997 lbs / 7,710 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 13.1" / 332 mm 420.11 ft / 128.05 m 14.76 ft / 4.50 m
Ends: 2.99" / 76 mm 108.27 ft / 33.00 m 9.84 ft / 3.00 m
108.10 ft / 32.95 m Unarmoured ends
Main Belt covers 102 % of normal length
- Torpedo Bulkhead - Additional damage containing bulkheads:
1.97" / 50 mm 420.11 ft / 128.05 m 27.89 ft / 8.50 m
Beam between torpedo bulkheads 91.86 ft / 28.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 15.0" / 380 mm 8.66" / 220 mm 13.8" / 350 mm
2nd: 2.99" / 76 mm 1.97" / 50 mm 2.99" / 76 mm
4th: - - 0.79" / 20 mm
- Armoured deck - multiple decks:
For and Aft decks: 5.51" / 140 mm
Forecastle: 0.00" / 0 mm Quarter deck: 2.99" / 76 mm
- Conning towers: Forward 5.91" / 150 mm, Aft 5.91" / 150 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 66,153 shp / 49,350 Kw = 24.00 kts
Range 12,000nm at 14.00 kts
Bunker at max displacement = 5,527 tons
Complement:
1,317 - 1,713
Cost:
£9.808 million / $39.231 million
Distribution of weights at normal displacement:
Armament: 3,434 tons, 9.4 %
- Guns: 3,434 tons, 9.4 %
Armour: 12,986 tons, 35.7 %
- Belts: 3,723 tons, 10.2 %
- Torpedo bulkhead: 853 tons, 2.3 %
- Armament: 3,411 tons, 9.4 %
- Armour Deck: 4,719 tons, 13.0 %
- Conning Towers: 280 tons, 0.8 %
Machinery: 2,148 tons, 5.9 %
Hull, fittings & equipment: 12,453 tons, 34.2 %
Fuel, ammunition & stores: 5,000 tons, 13.7 %
Miscellaneous weights: 394 tons, 1.1 %
- Hull above water: 172 tons
- Above deck: 222 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
55,745 lbs / 25,285 Kg = 28.5 x 15.7 " / 400 mm shells or 10.5 torpedoes
Stability (Unstable if below 1.00): 1.12
Metacentric height 7.3 ft / 2.2 m
Roll period: 17.4 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.54
Seaboat quality (Average = 1.00): 1.10
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.622 / 0.628
Length to Beam Ratio: 5.71 : 1
'Natural speed' for length: 25.23 kts
Power going to wave formation at top speed: 50 %
Trim (Max stability = 0, Max steadiness = 100): 64
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 22.97 ft / 7.00 m, 21.33 ft / 6.50 m
- Forward deck: 30.00 %, 21.33 ft / 6.50 m, 17.39 ft / 5.30 m
- Aft deck: 35.00 %, 17.39 ft / 5.30 m, 17.39 ft / 5.30 m
- Quarter deck: 15.00 %, 17.39 ft / 5.30 m, 17.39 ft / 5.30 m
- Average freeboard: 18.90 ft / 5.76 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 73.5 %
- Above water (accommodation/working, high = better): 140.2 %
Waterplane Area: 52,981 Square feet or 4,922 Square metres
Displacement factor (Displacement / loading): 111 %
Structure weight / hull surface area: 206 lbs/sq ft or 1,004 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.39
- Overall: 1.00
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Quarterdeck: Monolithic on top of End Belt. End Belt covers QD/Steering area
Main Deck: 110mm main deck, 30mm Splinter Deck
Main Belt: Upper half uniform 350mm. Lower half tapers from 350mm to 280mm on bottom edge
344t - 1918 FC
25t - NF Devices
25t - LR Radio
Both are sturdy and capable - more or less the equivalent of my Encke class other than the speed difference but on much less tonnage.
I'd say spend the extra 1,000 t for the perks. The planes come cheap compared to sticking them on a new cruiser or carrier tasked with accompanying these two.
You're probably right. I have also started putting aircraft on the larger frigate classes as well. By the time the Lake-Class is completed, they'll have 2 x Catapult and 2 x armed floatplane aboard. The thought generally is that the surface units of the fleet should be able to provide their own spotting, as well as some limited CAP support (at least until carrier fighters get good enough that they can smack floatplanes around).
The worst thing for me is that I have 3 BBs with 280mm guns. And basically, I can't upgrade them enough for it to matter. I guess I could turn them into slow carriers possibly, but as a Battleship they're where they are, and that's not something that can be changed.
Given the lack of effectiveness of torpedoes, and the sort of horror that hit my DDs during the war, I'm leaning more towards my 'DD Leader' being something with as much survivability as possible. Only thing that helps with survival from general hits is tonnage, and they're as big as they can get. But I can give it as much firepower as possible, and protect it against HE and splinters from anything that's likely to get thrown at them, hence the 30mm splinter protection all over the gun mounts, magazines, and bridge.
I-Class, Aztec Destroyer laid down 1925
Displacement:
2,000 t light; 2,097 t standard; 2,346 t normal; 2,545 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(400.87 ft / 393.70 ft) x 36.09 ft x (10.51 / 11.21 ft)
(122.18 m / 120.00 m) x 11.00 m x (3.20 / 3.42 m)
Armament:
6 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 200 per gun
Quick firing guns in deck and hoist mounts, 1925 Model
3 x Twin mounts on centreline ends, majority forward
1 raised mount - superfiring
6 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,000 per gun
Quick firing guns in deck and hoist mounts, 1925 Model
2 x Twin mounts on sides, forward deck aft
1 x Twin mount on centreline, aft deck centre
1 raised mount
Weight of broadside 431 lbs / 196 kg
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.18" / 30 mm 1.18" / 30 mm 1.18" / 30 mm
2nd: - - 1.18" / 30 mm
- Box over magazines:
1.18" / 30 mm
- Conning towers: Forward 1.18" / 30 mm, Aft 0.00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 43,617 shp / 32,538 Kw = 32.25 kts
Range 5,000nm at 14.00 kts
Bunker at max displacement = 448 tons
Complement:
168 - 219
Cost:
£0.917 million / $3.667 million
Distribution of weights at normal displacement:
Armament: 104 tons, 4.4 %
- Guns: 104 tons, 4.4 %
Armour: 50 tons, 2.1 %
- Armament: 26 tons, 1.1 %
- Armour Deck: 19 tons, 0.8 %
- Conning Tower: 4 tons, 0.2 %
Machinery: 1,173 tons, 50.0 %
Hull, fittings & equipment: 646 tons, 27.5 %
Fuel, ammunition & stores: 346 tons, 14.7 %
Miscellaneous weights: 27 tons, 1.2 %
- Hull above water: 6 tons
- On freeboard deck: 16 tons
- Above deck: 5 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
611 lbs / 277 Kg = 9.1 x 5.1 " / 130 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.11
Metacentric height 1.3 ft / 0.4 m
Roll period: 13.2 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.81
Seaboat quality (Average = 1.00): 1.01
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.550 / 0.559
Length to Beam Ratio: 10.91 : 1
'Natural speed' for length: 19.84 kts
Power going to wave formation at top speed: 66 %
Trim (Max stability = 0, Max steadiness = 100): 69
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 19.69 ft / 6.00 m, 18.04 ft / 5.50 m
- Forward deck: 30.00 %, 18.04 ft / 5.50 m, 14.76 ft / 4.50 m
- Aft deck: 35.00 %, 14.76 ft / 4.50 m, 14.76 ft / 4.50 m
- Quarter deck: 15.00 %, 14.76 ft / 4.50 m, 14.76 ft / 4.50 m
- Average freeboard: 16.04 ft / 4.89 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 180.1 %
- Above water (accommodation/working, high = better): 174.5 %
Waterplane Area: 9,916 Square feet or 921 Square metres
Displacement factor (Displacement / loading): 70 %
Structure weight / hull surface area: 37 lbs/sq ft or 183 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.43
- Overall: 0.56
Cramped machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
11t - 1918 FC
16t - 1x4x21in HW TT Centerline
My early dreadnoughts are similarly limited, especially with the main battery layout.
The Implacables are fast and well-protected for their size. Undergunned, sure. But you could still get lots of use out of them in trade defence, training, etc. Worse comes to worse, they can stand in a line of battle for a while and absorb punishment.
Or upgun to five single 400mm guns. Won't score a lot of hits but every hit will really be felt.
More lessons learned from the war, the vulnerability of DDs. While the screen itself is getting strengthened with more 180mm corvettes and frigates, and the new 240mm Razees are being put into service, a 'DD Leader' ship gets revisited. A ship that is designed to operate directly with Destroyers, provide them with fire support, leadership, and scouting, and function as flagship for the Rear Admiral of Destroyers for the fleet, a relatively small command post that typically consists of the Admiral and a staff of 2, with the ship's own crew filling in the other roles and the main fleet admiralty handling the larger functions.
DD-Leader-X, Aztec Corvette laid down 1926
Displacement:
6,000 t light; 6,262 t standard; 6,912 t normal; 7,432 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(489.32 ft / 482.28 ft) x 59.06 ft x (16.40 / 17.35 ft)
(149.14 m / 147.00 m) x 18.00 m x (5.00 / 5.29 m)
Armament:
12 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 250 per gun
Quick firing guns in deck and hoist mounts, 1926 Model
4 x Twin mounts on centreline ends, evenly spread
2 raised mounts - superfiring
2 x Twin mounts on centreline ends, evenly spread
2 double raised mounts
12 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,000 per gun
Anti-air guns in deck and hoist mounts, 1926 Model
6 x Twin mounts on sides, evenly spread
Weight of broadside 862 lbs / 391 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.15" / 80 mm 327.95 ft / 99.96 m 9.84 ft / 3.00 m
Ends: 1.97" / 50 mm 154.30 ft / 47.03 m 9.84 ft / 3.00 m
Main Belt covers 105 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3.15" / 80 mm 2.36" / 60 mm 3.15" / 80 mm
3rd: - - 0.98" / 25 mm
- Armoured deck - single deck:
For and Aft decks: 1.97" / 50 mm
Forecastle: 1.18" / 30 mm Quarter deck: 1.38" / 35 mm
- Conning towers: Forward 3.94" / 100 mm, Aft 0.00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 58,942 shp / 43,971 Kw = 30.00 kts
Range 7,000nm at 14.00 kts
Bunker at max displacement = 1,170 tons
Complement:
378 - 492
Cost:
£1.955 million / $7.821 million
Distribution of weights at normal displacement:
Armament: 209 tons, 3.0 %
- Guns: 209 tons, 3.0 %
Armour: 1,346 tons, 19.5 %
- Belts: 534 tons, 7.7 %
- Armament: 113 tons, 1.6 %
- Armour Deck: 668 tons, 9.7 %
- Conning Tower: 31 tons, 0.4 %
Machinery: 1,887 tons, 27.3 %
Hull, fittings & equipment: 2,376 tons, 34.4 %
Fuel, ammunition & stores: 912 tons, 13.2 %
Miscellaneous weights: 183 tons, 2.6 %
- Hull above water: 59 tons
- On freeboard deck: 54 tons
- Above deck: 70 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
7,748 lbs / 3,514 Kg = 115.6 x 5.1 " / 130 mm shells or 1.3 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 2.7 ft / 0.8 m
Roll period: 15.0 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.38
Seaboat quality (Average = 1.00): 1.01
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.518 / 0.526
Length to Beam Ratio: 8.17 : 1
'Natural speed' for length: 21.96 kts
Power going to wave formation at top speed: 61 %
Trim (Max stability = 0, Max steadiness = 100): 69
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 18.00 %, 26.25 ft / 8.00 m, 22.97 ft / 7.00 m
- Forward deck: 30.00 %, 22.97 ft / 7.00 m, 18.04 ft / 5.50 m
- Aft deck: 38.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
- Quarter deck: 14.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
- Average freeboard: 19.90 ft / 6.07 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 102.8 %
- Above water (accommodation/working, high = better): 185.9 %
Waterplane Area: 19,289 Square feet or 1,792 Square metres
Displacement factor (Displacement / loading): 112 %
Structure weight / hull surface area: 83 lbs/sq ft or 405 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.85
- Longitudinal: 1.50
- Overall: 0.90
Caution: Hull subject to strain in open-sea
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
25t - LR Radio
25t - NF Devices
21t - 1918 FC
24t - 2 x 3 x 21in HW TT on sides aft
30t - 1 x Catapult and Armed Floatplane Aft
58t - Accommodations and space for Rear Admiral-Destroyers
Interesting.
I'm not keen on 130mm for cruiser vessels, though duplicating your DD main makes sense.
Thanks to the Byzantines, I'm having to upgun from 165mm to 180 in that size range.
I think the 150m length and shallow 5m draft may be costing you a fair bit.
My 1921 Moulek is the same speed, 45 vs 50 deck, 90 @3.5m vs 80 @3 m for belt
and nearly twice the armament weight, same misc wt and more range.
You do have superior seakeeping, so some of the weight is going into freeboard.
Quote from: Kaiser Kirk on February 01, 2023, 09:32:08 AM
Interesting.
I'm not keen on 130mm for cruiser vessels, though duplicating your DD main makes sense.
Thanks to the Byzantines, I'm having to upgun from 165mm to 180 in that size range.
I think the 150m length and shallow 5m draft may be costing you a fair bit.
My 1921 Moulek is the same speed, 45 vs 50 deck, 90 @3.5m vs 80 @3 m for belt
and nearly twice the armament weight, same misc wt and more range.
You do have superior seakeeping, so some of the weight is going into freeboard.
Yeah, I'm batting ideas around. I'm currently building an 8 x 180mm cruiser in the same tonnage, though it's less protected, less multi-spectrum, and I'm not really super happy with it.
The draft is relatively shallow, otoh it helps with stability and seakeeping, so it is what it is.
I did some adjustments, and I can bring the belt up to 90 by reducing the end belts to 40, as well as cutting the floatplane. Though as this is a scout for the DDs and the C3I nexus for a DD squadron, I'm inclined to keep the floatplane as being a useful asset.
80mm, based on Parallel Ballistics, is showing to be proof against the 130/50 this ship carries at 5km
Against a hypothetical 120/55 with a heavy shell, it's still proof down to 5.5km.
The 180s a lot of us run, will punch her out to 14km. Of course to be 180 proof to a the sort of closer ranges this type of ship would operate in, she'd need to have 110mm of belt.
So for a cruiser cruiser, yes, 80s kind of light. For a DD Leader, she's got a ton more durability. I'm going to fiddle a bit more with her, see what I can work out.
By removing some of the additional kit, I'm able to take the belt on up to 100mm, making it proof against anything smaller than 180mm guns at around 12km.
DD-Leader-X, Aztec Corvette laid down 1926
Displacement:
6,000 t light; 6,262 t standard; 6,912 t normal; 7,432 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(489.32 ft / 482.28 ft) x 59.06 ft x (16.40 / 17.35 ft)
(149.14 m / 147.00 m) x 18.00 m x (5.00 / 5.29 m)
Armament:
12 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 250 per gun
Quick firing guns in deck and hoist mounts, 1926 Model
4 x Twin mounts on centreline ends, evenly spread
2 raised mounts - superfiring
2 x Twin mounts on centreline ends, evenly spread
2 double raised mounts
12 - 1.18" / 30.0 mm 50.0 cal guns - 0.86lbs / 0.39kg shells, 1,000 per gun
Anti-air guns in deck and hoist mounts, 1926 Model
6 x Twin mounts on sides, evenly spread
Weight of broadside 862 lbs / 391 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.94" / 100 mm 327.95 ft / 99.96 m 9.84 ft / 3.00 m
Ends: 1.97" / 50 mm 154.30 ft / 47.03 m 9.84 ft / 3.00 m
Main Belt covers 105 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3.15" / 80 mm 1.97" / 50 mm 3.15" / 80 mm
3rd: - - 0.98" / 25 mm
- Armoured deck - single deck:
For and Aft decks: 1.97" / 50 mm
Forecastle: 1.18" / 30 mm Quarter deck: 1.38" / 35 mm
- Conning towers: Forward 3.94" / 100 mm, Aft 0.00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 58,942 shp / 43,971 Kw = 30.00 kts
Range 7,000nm at 14.00 kts
Bunker at max displacement = 1,170 tons
Complement:
378 - 492
Cost:
£1.955 million / $7.821 million
Distribution of weights at normal displacement:
Armament: 209 tons, 3.0 %
- Guns: 209 tons, 3.0 %
Armour: 1,437 tons, 20.8 %
- Belts: 639 tons, 9.3 %
- Armament: 99 tons, 1.4 %
- Armour Deck: 668 tons, 9.7 %
- Conning Tower: 31 tons, 0.4 %
Machinery: 1,887 tons, 27.3 %
Hull, fittings & equipment: 2,376 tons, 34.4 %
Fuel, ammunition & stores: 912 tons, 13.2 %
Miscellaneous weights: 92 tons, 1.3 %
- Hull below water: 5 tons
- Hull above water: 11 tons
- On freeboard deck: 16 tons
- Above deck: 60 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
7,928 lbs / 3,596 Kg = 118.3 x 5.1 " / 130 mm shells or 1.3 torpedoes
Stability (Unstable if below 1.00): 1.12
Metacentric height 2.8 ft / 0.9 m
Roll period: 14.8 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.37
Seaboat quality (Average = 1.00): 1.02
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.518 / 0.526
Length to Beam Ratio: 8.17 : 1
'Natural speed' for length: 21.96 kts
Power going to wave formation at top speed: 61 %
Trim (Max stability = 0, Max steadiness = 100): 69
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 18.00 %, 26.25 ft / 8.00 m, 22.97 ft / 7.00 m
- Forward deck: 30.00 %, 22.97 ft / 7.00 m, 18.04 ft / 5.50 m
- Aft deck: 38.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
- Quarter deck: 14.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
- Average freeboard: 19.90 ft / 6.07 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 102.2 %
- Above water (accommodation/working, high = better): 185.9 %
Waterplane Area: 19,289 Square feet or 1,792 Square metres
Displacement factor (Displacement / loading): 112 %
Structure weight / hull surface area: 83 lbs/sq ft or 405 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.85
- Longitudinal: 1.51
- Overall: 0.90
Caution: Hull subject to strain in open-sea
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
25t - LR Radio
25t - NF Devices
21t - 1918 FC
16t - 2 x 2 x 21in HW TT on sides aft
5t - Basic Hydrophones
Stability is rough, as folks keep going for the 'slow and easy roll', by ramping up the trim,
which really hurts it.
I try hard for a stability of 1.10 in my ships, a couple of my cruisers slip below that,
but I'll up the beam/shallow the draft to get there.
Frankly haven't figured out how to incorporate that into SK4/5 properly....
In this case, your 130mm main guns won't be firing accurately at long ranges where slow and easy roll really should matter,
so that could be a savings.
If the OPFOR isn't cruisers - then why the 50mm deck armor?
Further, the Roman ships are at 140mm, and despite recent events I'd think that, rather than your 130, would be the design weapon.
Follow up question - if your requirements are good with an 80mm belt , and possibly a thinner deck,
you may find a smaller vessel is possible. Probably not by much...but.
Good points all around. I could easily get a bit more stability, though the slow roll also tends to match up with better seakeeping. So that is a bit of a concurrent factor. I'll try it with a 40mm deck instead of the 50mm, and see what I can get into the belt.
Thank you Kirk, for the suggestions. After fiddling with length, beam, draft, block, and some odds and ends, I've been able to do the following:
-Bring Belt and Mount Face armor to 100mm, and bring the end belts up to 60mm.
-Add .5m to main belt depth, to 3.5m. End belts don't get the full meter underwater, but end belts are also more splinter protection than penetration protection.
-Fully armor the AA suite, as this ship is likely to eat a lot of splinters, a splinter-protected AA suite adds survivability
-Upgrade the triple torpedo launchers to quad launchers
-Add basic hydrophones. A 6000t cruiser shouldn't be doing ASW, so it doesn't have depth charges. But hydrophones will allow it to provide early warning and assist its DDs in sub hunting.
Overall, she's a far nastier cruiser now.
DD-Leader-X, Aztec Corvette laid down 1926
Displacement:
6,000 t light; 6,263 t standard; 6,910 t normal; 7,427 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(491.58 ft / 485.07 ft) x 55.77 ft x (17.26 / 18.25 ft)
(149.83 m / 147.85 m) x 17.00 m x (5.26 / 5.56 m)
Armament:
12 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 250 per gun
Quick firing guns in deck and hoist mounts, 1926 Model
4 x Twin mounts on centreline ends, evenly spread
2 raised mounts - superfiring
2 x Twin mounts on centreline ends, evenly spread
2 double raised mounts
12 - 1.18" / 30.0 mm 50.0 cal guns - 0.86lbs / 0.39kg shells, 1,000 per gun
Anti-air guns in deck and hoist mounts, 1926 Model
6 x Twin mounts on sides, evenly spread
Weight of broadside 862 lbs / 391 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.94" / 100 mm 329.86 ft / 100.54 m 11.48 ft / 3.50 m
Ends: 2.36" / 60 mm 155.22 ft / 47.31 m 9.84 ft / 3.00 m
Main Belt covers 105 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3.94" / 100 mm 2.36" / 60 mm 3.94" / 100 mm
3rd: 0.98" / 25 mm 0.98" / 25 mm 0.98" / 25 mm
- Armoured deck - single deck:
For and Aft decks: 1.57" / 40 mm
Forecastle: 1.06" / 27 mm Quarter deck: 1.38" / 35 mm
- Conning towers: Forward 3.94" / 100 mm, Aft 0.00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 58,030 shp / 43,290 Kw = 30.00 kts
Range 7,000nm at 14.00 kts
Bunker at max displacement = 1,165 tons
Complement:
378 - 492
Cost:
£1.941 million / $7.764 million
Distribution of weights at normal displacement:
Armament: 209 tons, 3.0 %
- Guns: 209 tons, 3.0 %
Armour: 1,455 tons, 21.1 %
- Belts: 750 tons, 10.9 %
- Armament: 155 tons, 2.3 %
- Armour Deck: 519 tons, 7.5 %
- Conning Tower: 31 tons, 0.4 %
Machinery: 1,858 tons, 26.9 %
Hull, fittings & equipment: 2,283 tons, 33.0 %
Fuel, ammunition & stores: 909 tons, 13.2 %
Miscellaneous weights: 196 tons, 2.8 %
- Hull below water: 5 tons
- Hull above water: 59 tons
- On freeboard deck: 62 tons
- Above deck: 70 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
7,601 lbs / 3,448 Kg = 113.4 x 5.1 " / 130 mm shells or 1.3 torpedoes
Stability (Unstable if below 1.00): 1.12
Metacentric height 2.6 ft / 0.8 m
Roll period: 14.6 seconds
Steadiness - As gun platform (Average = 50 %): 60 %
- Recoil effect (Restricted arc if above 1.00): 0.39
Seaboat quality (Average = 1.00): 1.01
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.518 / 0.526
Length to Beam Ratio: 8.70 : 1
'Natural speed' for length: 22.02 kts
Power going to wave formation at top speed: 60 %
Trim (Max stability = 0, Max steadiness = 100): 59
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 18.00 %, 24.28 ft / 7.40 m, 21.00 ft / 6.40 m
- Forward deck: 30.00 %, 21.00 ft / 6.40 m, 17.72 ft / 5.40 m
- Aft deck: 38.00 %, 17.72 ft / 5.40 m, 17.72 ft / 5.40 m
- Quarter deck: 14.00 %, 17.72 ft / 5.40 m, 17.72 ft / 5.40 m
- Average freeboard: 19.04 ft / 5.80 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 101.6 %
- Above water (accommodation/working, high = better): 170.3 %
Waterplane Area: 18,323 Square feet or 1,702 Square metres
Displacement factor (Displacement / loading): 111 %
Structure weight / hull surface area: 82 lbs/sq ft or 398 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.85
- Longitudinal: 1.41
- Overall: 0.90
Caution: Hull subject to strain in open-sea
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
25t - LR Radio
25t - NF Devices
21t - 1918 FC
24t - 2 x 4 x 21in HW TT on sides aft
30t - 1 x Catapult and Armed Floatplane amidships
58t - Accommodations and space for Rear Admiral-Destroyers
5t - Hydrophones
I might wind up trimming some of the weight off to add on some ancillaries like additional firefighting equipment (as this ship is likely to get pelted with HE), etc.
Always satisfying when you take a design that is not quite there...and unlock making it what you want :)
Yeah, I'll probably pull the hydrophones, and justify down the flag facilities. Taking a bit of inspiration from your own stuff. Add 5t to the bridge for some seating and maybe an extra table, 15t for a plotting room by the cic, and 10t for the rear admiral and 3 staff.
A somewhat different idea......using a DD for bringing armed catapult aircraft to the fleet.
I-Class, Aztec Destroyer laid down 1925
Displacement:
2,000 t light; 2,082 t standard; 2,329 t normal; 2,528 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(400.27 ft / 393.70 ft) x 36.09 ft x (10.43 / 11.13 ft)
(122.00 m / 120.00 m) x 11.00 m x (3.18 / 3.39 m)
Armament:
4 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 200 per gun
Quick firing guns in deck and hoist mounts, 1925 Model
3 x Twin mounts on centreline, forward evenly spread
1 raised mount
8 - 1.18" / 30.0 mm 50.0 cal guns - 0.86lbs / 0.39kg shells, 1,000 per gun
Quick firing guns in deck and hoist mounts, 1925 Model
4 x Twin mounts on sides, evenly spread
Weight of broadside 291 lbs / 132 kg
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.18" / 30 mm 1.18" / 30 mm 1.18" / 30 mm
2nd: - - 1.18" / 30 mm
- Conning towers: Forward 1.18" / 30 mm, Aft 0.00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 43,429 shp / 32,398 Kw = 32.25 kts
Range 5,000nm at 14.00 kts
Bunker at max displacement = 446 tons
Complement:
166 - 217
Cost:
£0.872 million / $3.489 million
Distribution of weights at normal displacement:
Armament: 71 tons, 3.0 %
- Guns: 71 tons, 3.0 %
Armour: 30 tons, 1.3 %
- Armament: 26 tons, 1.1 %
- Conning Tower: 4 tons, 0.2 %
Machinery: 1,181 tons, 50.7 %
Hull, fittings & equipment: 619 tons, 26.6 %
Fuel, ammunition & stores: 330 tons, 14.2 %
Miscellaneous weights: 98 tons, 4.2 %
- Hull below water: 5 tons
- On freeboard deck: 86 tons
- Above deck: 7 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
673 lbs / 305 Kg = 10.0 x 5.1 " / 130 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.19
Metacentric height 1.5 ft / 0.5 m
Roll period: 12.4 seconds
Steadiness - As gun platform (Average = 50 %): 60 %
- Recoil effect (Restricted arc if above 1.00): 0.53
Seaboat quality (Average = 1.00): 1.00
Hull form characteristics:
Hull has low quarterdeck ,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.550 / 0.559
Length to Beam Ratio: 10.91 : 1
'Natural speed' for length: 19.84 kts
Power going to wave formation at top speed: 66 %
Trim (Max stability = 0, Max steadiness = 100): 60
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 18.04 ft / 5.50 m, 16.73 ft / 5.10 m
- Forward deck: 30.00 %, 16.73 ft / 5.10 m, 16.40 ft / 5.00 m
- Aft deck: 35.00 %, 16.40 ft / 5.00 m, 16.40 ft / 5.00 m
- Quarter deck: 15.00 %, 9.84 ft / 3.00 m, 9.84 ft / 3.00 m
- Average freeboard: 15.64 ft / 4.77 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 176.7 %
- Above water (accommodation/working, high = better): 187.5 %
Waterplane Area: 9,916 Square feet or 921 Square metres
Displacement factor (Displacement / loading): 72 %
Structure weight / hull surface area: 36 lbs/sq ft or 175 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.33
- Overall: 0.55
Cramped machinery, storage, compartmentation space
Excellent accommodation and workspace room
7t - 1918 FC
16t - 2x2x21in HW TT Sides Amidships
60t - 2 x Catapults and Armed Floatplanes Aft
5t - Hydrophones
4t - DC Thrower x 4
6t - DCs for the Throwers
And a somewhat different DD Concept, going back to the All-rounder type that the H-class was, taking the base F-class hull, and modernizing it. Downside, the guns don't have independent hoists. Upside, under 1600t for full-spectrum capabilities. Ignore the beam between bulkheads warning, there's no armor there so it's irrelevant and I'll fix it in the final tweak.
DD-F, Aztec Destroyer laid down 1926
Displacement:
1,546 t light; 1,628 t standard; 1,882 t normal; 2,085 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(365.73 ft / 360.89 ft) x 31.17 ft x (11.48 / 12.47 ft)
(111.47 m / 110.00 m) x 9.50 m x (3.50 / 3.80 m)
Armament:
5 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 200 per gun
Quick firing guns in deck mounts, 1926 Model
5 x Single mounts on centreline ends, majority forward
2 raised mounts - superfiring
12 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,000 per gun
Anti-air guns in deck and hoist mounts, 1926 Model
6 x Single mounts on centreline, aft deck forward
Weight of broadside 365 lbs / 166 kg
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.06" / 27 mm 1.06" / 27 mm -
2nd: - - 0.98" / 25 mm
- Conning towers: Forward 1.06" / 27 mm, Aft 0.00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 37,103 shp / 27,679 Kw = 32.00 kts
Range 6,000nm at 14.00 kts
Bunker at max displacement = 457 tons
Complement:
142 - 185
Cost:
£0.720 million / $2.880 million
Distribution of weights at normal displacement:
Armament: 74 tons, 3.9 %
- Guns: 74 tons, 3.9 %
Armour: 40 tons, 2.1 %
- Armament: 37 tons, 1.9 %
- Conning Tower: 3 tons, 0.2 %
Machinery: 955 tons, 50.8 %
Hull, fittings & equipment: 419 tons, 22.3 %
Fuel, ammunition & stores: 337 tons, 17.9 %
Miscellaneous weights: 57 tons, 3.0 %
- Hull below water: 15 tons
- On freeboard deck: 34 tons
- Above deck: 8 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
475 lbs / 215 Kg = 7.1 x 5.1 " / 130 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.21
Metacentric height 1.2 ft / 0.4 m
Roll period: 11.8 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.51
Seaboat quality (Average = 1.00): 1.02
Hull form characteristics:
Hull has rise forward of midbreak,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.510 / 0.520
Length to Beam Ratio: 11.58 : 1
'Natural speed' for length: 19.00 kts
Power going to wave formation at top speed: 66 %
Trim (Max stability = 0, Max steadiness = 100): 69
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
- Forward deck: 30.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
- Aft deck: 35.00 %, 9.84 ft / 3.00 m, 9.84 ft / 3.00 m
- Quarter deck: 15.00 %, 9.84 ft / 3.00 m, 9.84 ft / 3.00 m
- Average freeboard: 13.94 ft / 4.25 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 176.4 %
- Above water (accommodation/working, high = better): 138.3 %
Waterplane Area: 7,563 Square feet or 703 Square metres
Displacement factor (Displacement / loading): 71 %
Structure weight / hull surface area: 31 lbs/sq ft or 151 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.44
- Overall: 0.56
Cramped machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Warning: Beam between bulkheads too wide
15t -Advanced Hydrophones
14t - Depth Charges
4t - 4 x DC Thrower
16t - 1 x 4 x 21in HW TT Centerline
8t - 1918 FC
Considering the needs for minesweeping/maintenance, as well as the need for more coastal/convoy patrol and ASW. Plus, the MS-1 mine-warfare ships are 20 years old now, running on coal-fired reciprocating engines. The new ships will have modern diesels, trans-oceanic range, and electric motors to make them even more maneuverable.
Flower Mk2, Aztec ASW-Minesweeper laid down 1926
Displacement:
476 t light; 497 t standard; 581 t normal; 648 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(196.85 ft / 196.85 ft) x 26.25 ft x (6.56 / 7.18 ft)
(60.00 m / 60.00 m) x 8.00 m x (2.00 / 2.19 m)
Armament:
2 - 3.94" / 100 mm 50.0 cal guns - 32.30lbs / 14.65kg shells, 150 per gun
Quick firing guns in deck mounts, 1926 Model
2 x Single mounts on centreline ends, evenly spread
1 raised mount - superfiring
8 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,000 per gun
Anti-air guns in deck mounts, 1926 Model
8 x Single mounts on sides, evenly spread
Weight of broadside 72 lbs / 32 kg
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.18" / 30 mm - -
2nd: 1.18" / 30 mm - -
- Conning towers: Forward 1.18" / 30 mm, Aft 0.00" / 0 mm
Machinery:
Diesel Internal combustion generators,
Electric motors, 2 shafts, 3,834 shp / 2,860 Kw = 20.00 kts
Range 3,500nm at 14.00 kts
Bunker at max displacement = 151 tons
Complement:
58 - 76
Cost:
£0.131 million / $0.524 million
Distribution of weights at normal displacement:
Armament: 15 tons, 2.6 %
- Guns: 15 tons, 2.6 %
Armour: 16 tons, 2.8 %
- Armament: 14 tons, 2.5 %
- Conning Tower: 2 tons, 0.3 %
Machinery: 123 tons, 21.1 %
Hull, fittings & equipment: 153 tons, 26.3 %
Fuel, ammunition & stores: 105 tons, 18.1 %
Miscellaneous weights: 169 tons, 29.1 %
- Hull below water: 92 tons
- On freeboard deck: 50 tons
- Above deck: 27 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
743 lbs / 337 Kg = 24.4 x 3.9 " / 100 mm shells or 0.5 torpedoes
Stability (Unstable if below 1.00): 1.28
Metacentric height 1.1 ft / 0.3 m
Roll period: 10.8 seconds
Steadiness - As gun platform (Average = 50 %): 60 %
- Recoil effect (Restricted arc if above 1.00): 0.15
Seaboat quality (Average = 1.00): 1.02
Hull form characteristics:
Hull has rise forward of midbreak,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.600 / 0.611
Length to Beam Ratio: 7.50 : 1
'Natural speed' for length: 14.03 kts
Power going to wave formation at top speed: 64 %
Trim (Max stability = 0, Max steadiness = 100): 59
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 13.12 ft / 4.00 m, 13.12 ft / 4.00 m
- Forward deck: 30.00 %, 13.12 ft / 4.00 m, 13.12 ft / 4.00 m
- Aft deck: 35.00 %, 6.56 ft / 2.00 m, 6.56 ft / 2.00 m
- Quarter deck: 15.00 %, 6.56 ft / 2.00 m, 6.56 ft / 2.00 m
- Average freeboard: 9.84 ft / 3.00 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 93.8 %
- Above water (accommodation/working, high = better): 119.0 %
Waterplane Area: 3,779 Square feet or 351 Square metres
Displacement factor (Displacement / loading): 124 %
Structure weight / hull surface area: 27 lbs/sq ft or 133 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.69
- Longitudinal: 1.89
- Overall: 0.76
Caution: Hull subject to strain in open-sea
Adequate machinery, storage, compartmentation space
Adequate accommodation and workspace room
Warning: Beam between bulkheads too wide
-Aft Gun Mount on Pedestal Above Deck Level-
AD
2t - 1918 FC
25t - LR Radio
OD
2t - 2 x DC Thrower
8t - 40 x DC
20t - Space for20 Mines for local minefield maintenance, or 100 DC
20t - Minesweeping Equipment
BW-----
15t - Advanced Hydrophone Package
37t - Diesel Engines
40t - Electric Drives
*7044nm Range at Cruise*
Quote from: TacCovert4 on February 11, 2023, 03:22:19 PM
Downside, the guns don't have independent hoists. Upside, under 1600t for full-spectrum capabilities. Ignore the beam between bulkheads warning, there's no armor there so it's irrelevant and I'll fix it in the final tweak.
Destroyers in this period generally didn't have hoists.
Under Ship Design Snip specifically calls that out for WW1 DDs, but we are moving into Interwar.
Compared to a cruiser, they probably had less deck levels to haul the ammo up as well.
Not sure I understand "full spectrum under 1600t"....
I presume you have the 1918 DD tech, so can reach 2000t and are just pleased to craft a full function DD that does not cost that much?
The stupid beam warning we all get if we forget to change it to 0.
As for Minewarefare / ASW, I started with Mil-spec minesweepers,
but have gone with multi-role aux-build sloops more recently.
I will likely make some 'fleet' mil-spec MS later.
As for the preceeding Catapult equipped DD, the Dutch actually fielded some Aircraft-hosting Destroyers.
Quote from: Kaiser Kirk on February 18, 2023, 11:02:14 PM
Quote from: TacCovert4 on February 11, 2023, 03:22:19 PM
Downside, the guns don't have independent hoists. Upside, under 1600t for full-spectrum capabilities. Ignore the beam between bulkheads warning, there's no armor there so it's irrelevant and I'll fix it in the final tweak.
Destroyers in this period generally didn't have hoists.
Under Ship Design Snip specifically calls that out for WW1 DDs, but we are moving into Interwar.
Compared to a cruiser, they probably had less deck levels to haul the ammo up as well.
Not sure I understand "full spectrum under 1600t"....
I presume you have the 1918 DD tech, so can reach 2000t and are just pleased to craft a full function DD that does not cost that much?
The stupid beam warning we all get if we forget to change it to 0.
As for Minewarefare / ASW, I started with Mil-spec minesweepers,
but have gone with multi-role aux-build sloops more recently.
I will likely make some 'fleet' mil-spec MS later.
As for the preceeding Catapult equipped DD, the Dutch actually fielded some Aircraft-hosting Destroyers.
Yeah, the Dutch were my inspiration there. I'm not seeing the sultanate as able to field the carrier numbers. So a sort of Japanese esque protocol of aircraft on everything is going to be a mode.
The idea of a full spectrum dd is to have all capabilities on one hull that is reasonably good at all of them. I've proven able to build a monster fleet dd at 2000t. But it's expensive and the 1600t option has the general capabilities I need on the budget I also need with so many requirements.
Was not aware of the Dutch aircraft-carrying destroyers and must now seek them out.
It came to my attention that in Terra Del Fuego there is only the 1 Penguin-class Ice-rated cruiser (and barely a cruiser at that). Remembering the needs of that somewhat unique colony, I once again turn my attention to a ship completely different in many respects from the ones I design for the bulk of the fleet. That being amazing seakeeping, weather performance, and a mix of traditional cruiser and life-saving equipment.
Sea Lion, Aztec Icebreaker Cruiser laid down 1926
Displacement:
3,612 t light; 3,754 t standard; 4,103 t normal; 4,383 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(399.41 ft / 387.14 ft) x 45.96 ft x (13.45 / 14.20 ft)
(121.74 m / 118.00 m) x 14.01 m x (4.10 / 4.33 m)
Armament:
6 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 200 per gun
Quick firing guns in deck and hoist mounts, 1926 Model
3 x Single mounts on centreline ends, majority forward
1 raised mount - superfiring
4 - 2.76" / 70.0 mm 50.0 cal guns - 11.08lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1926 Model
4 x Twin mounts on sides, evenly spread
8 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,000 per gun
Anti-air guns in deck and hoist mounts, 1926 Model
4 x Twin mounts on side ends, evenly spread
12 - 0.47" / 12.0 mm 70.0 cal guns - 0.06lbs / 0.03kg shells, 2,000 per gun
Machine guns in deck mount, 1926 Model
1 x Single mount on sides amidships
Weight of broadside 478 lbs / 217 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 1.97" / 50 mm 251.64 ft / 76.70 m 9.84 ft / 3.00 m
Ends: 1.57" / 40 mm 135.47 ft / 41.29 m 9.84 ft / 3.00 m
Main Belt covers 100 % of normal length
Main belt does not fully cover magazines and engineering spaces
- Torpedo Bulkhead - Additional damage containing bulkheads:
1.18" / 30 mm 251.64 ft / 76.70 m 12.70 ft / 3.87 m
Beam between torpedo bulkheads 32.81 ft / 10.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.36" / 60 mm 1.57" / 40 mm 2.36" / 60 mm
2nd: 0.79" / 20 mm 0.79" / 20 mm -
3rd: 0.79" / 20 mm 0.79" / 20 mm 0.79" / 20 mm
4th: 0.47" / 12 mm 0.47" / 12 mm -
- Armoured deck - single deck:
For and Aft decks: 1.38" / 35 mm
Forecastle: 0.98" / 25 mm Quarter deck: 0.98" / 25 mm
- Conning towers: Forward 2.36" / 60 mm, Aft 0.00" / 0 mm
Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 23,058 shp / 17,201 Kw = 25.00 kts
Range 5,000nm at 14.00 kts
Bunker at max displacement = 629 tons
Complement:
256 - 333
Cost:
£0.963 million / $3.853 million
Distribution of weights at normal displacement:
Armament: 139 tons, 3.4 %
- Guns: 139 tons, 3.4 %
Armour: 834 tons, 20.3 %
- Belts: 283 tons, 6.9 %
- Torpedo bulkhead: 140 tons, 3.4 %
- Armament: 82 tons, 2.0 %
- Armour Deck: 317 tons, 7.7 %
- Conning Tower: 13 tons, 0.3 %
Machinery: 738 tons, 18.0 %
Hull, fittings & equipment: 1,480 tons, 36.1 %
Fuel, ammunition & stores: 491 tons, 12.0 %
Miscellaneous weights: 421 tons, 10.3 %
- Hull below water: 227 tons
- Hull above water: 60 tons
- On freeboard deck: 70 tons
- Above deck: 64 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
7,644 lbs / 3,467 Kg = 114.0 x 5.1 " / 130 mm shells or 1.7 torpedoes
Stability (Unstable if below 1.00): 1.20
Metacentric height 2.2 ft / 0.7 m
Roll period: 13.0 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.33
Seaboat quality (Average = 1.00): 1.53
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.600 / 0.607
Length to Beam Ratio: 8.42 : 1
'Natural speed' for length: 19.68 kts
Power going to wave formation at top speed: 58 %
Trim (Max stability = 0, Max steadiness = 100): 46
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 6.56 ft / 2.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 21.33 ft / 6.50 m, 19.69 ft / 6.00 m
- Forward deck: 30.00 %, 19.69 ft / 6.00 m, 18.04 ft / 5.50 m
- Aft deck: 35.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
- Quarter deck: 15.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
- Average freeboard: 18.75 ft / 5.72 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 109.6 %
- Above water (accommodation/working, high = better): 178.4 %
Waterplane Area: 13,015 Square feet or 1,209 Square metres
Displacement factor (Displacement / loading): 128 %
Structure weight / hull surface area: 70 lbs/sq ft or 339 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.90
- Longitudinal: 2.53
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
222t - Diesel Engines
(Range - 8750nm)
5t - Basic Hydrophones
14t - 1918 FC
25t - LR Radio
25t - NF Devices
16t - 2x2x21in HW TT on Sides
4t - Additional Searchlights
40t - 2 x 10t Motor-Launch
8t - 50 x DC
2t - 2 x DC Thrower
20t - Berthing for 10 Additional Men (rescues/Seal Warriors)
30t - Enhanced Ship's Surgical Suite
10t - Additional DC/Firefighting Equipment
(70mm, 30mm, and 12mm guns are protected by weatherproof (incidentally splinter-resistant) shelters with ready-ammunition stored inside same)
(Note that this ship is 10% more structurally sound than required, additional bracing for ice/storms)
I strongly considered buying the surplus Wilno icebreakers, thinking they would be a good place to learn about how to build such a ship.
But considering my territorial extent, I don't have anything that could use it.
I don't know if Rocky's scrapped them, but might be a 'cheap' way for the same result.
Quote from: Kaiser Kirk on February 19, 2023, 11:24:33 PM
I strongly considered buying the surplus Wilno icebreakers, thinking they would be a good place to learn about how to build such a ship.
But considering my territorial extent, I don't have anything that could use it.
I don't know if Rocky's scrapped them, but might be a 'cheap' way for the same result.
The Wilno Icebreakers would probably make for a good option. Unfortunately, we purchased these islands from Wilno, so there is a bit of national pride in play with our only real national presence there showing to be home-grown. It shows our commitment to our most remote colony, and its importance to the Sultanate, that it gets its own station ships, even if they really are boutique designs.
Time to start looking at carriers, now that research is complete. First off, a simple single-hangar carrier, modestly protected against destroyers, modest air group. Takeoff is from the forward deck that allows for direct takeoff from the hangar, landing is on the upper deck with elevators bringing the aircraft down.
Martinique, Aztec Aircraft Carrier laid down 1926
Displacement:
13,482 t light; 13,875 t standard; 15,399 t normal; 16,618 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(593.24 ft / 587.27 ft) x 68.90 ft x (23.79 / 25.28 ft)
(180.82 m / 179.00 m) x 21.00 m x (7.25 / 7.71 m)
Armament:
12 - 3.94" / 100 mm 50.0 cal guns - 32.30lbs / 14.65kg shells, 250 per gun
Quick firing guns in deck mounts, 1926 Model
6 x Twin mounts on sides, evenly spread
8 - 2.76" / 70.0 mm 50.0 cal guns - 11.09lbs / 5.03kg shells, 400 per gun
Anti-air guns in deck mounts, 1926 Model
8 x Single mounts on sides, evenly spread
16 - 1.18" / 30.0 mm 50.0 cal guns - 0.86lbs / 0.39kg shells, 1,500 per gun
Anti-air guns in deck mounts, 1926 Model
16 x Single mounts on sides, evenly spread
16 raised mounts
Weight of broadside 490 lbs / 222 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.15" / 80 mm 381.73 ft / 116.35 m 9.84 ft / 3.00 m
Ends: 1.97" / 50 mm 205.51 ft / 62.64 m 9.84 ft / 3.00 m
Main Belt covers 100 % of normal length
Main belt does not fully cover magazines and engineering spaces
- Torpedo Bulkhead - Additional damage containing bulkheads:
1.18" / 30 mm 381.73 ft / 116.35 m 25.92 ft / 7.90 m
Beam between torpedo bulkheads 45.93 ft / 14.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.97" / 50 mm - -
2nd: 0.79" / 20 mm - -
3rd: 0.79" / 20 mm - -
- Armoured deck - single deck:
For and Aft decks: 2.36" / 60 mm
Forecastle: 1.57" / 40 mm Quarter deck: 1.57" / 40 mm
- Conning towers: Forward 1.97" / 50 mm, Aft 0.00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 78,013 shp / 58,197 Kw = 29.00 kts
Range 10,300nm at 14.00 kts
Bunker at max displacement = 2,743 tons
Complement:
690 - 898
Cost:
£2.931 million / $11.726 million
Distribution of weights at normal displacement:
Armament: 89 tons, 0.6 %
- Guns: 89 tons, 0.6 %
Armour: 2,324 tons, 15.1 %
- Belts: 642 tons, 4.2 %
- Torpedo bulkhead: 432 tons, 2.8 %
- Armament: 44 tons, 0.3 %
- Armour Deck: 1,180 tons, 7.7 %
- Conning Tower: 26 tons, 0.2 %
Machinery: 2,497 tons, 16.2 %
Hull, fittings & equipment: 5,102 tons, 33.1 %
Fuel, ammunition & stores: 1,917 tons, 12.4 %
Miscellaneous weights: 3,470 tons, 22.5 %
- Hull below water: 1,700 tons
- Hull above water: 1,700 tons
- Above deck: 70 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
30,719 lbs / 13,934 Kg = 1,006.8 x 3.9 " / 100 mm shells or 3.8 torpedoes
Stability (Unstable if below 1.00): 1.35
Metacentric height 4.8 ft / 1.5 m
Roll period: 13.1 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.05
Seaboat quality (Average = 1.00): 2.00
Hull form characteristics:
Hull has low forecastle,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.560 / 0.569
Length to Beam Ratio: 8.52 : 1
'Natural speed' for length: 24.23 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 35
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 25.00 %, 16.40 ft / 5.00 m, 16.40 ft / 5.00 m
- Forward deck: 30.00 %, 32.81 ft / 10.00 m, 32.81 ft / 10.00 m
- Aft deck: 35.00 %, 32.81 ft / 10.00 m, 32.81 ft / 10.00 m
- Quarter deck: 10.00 %, 32.81 ft / 10.00 m, 32.81 ft / 10.00 m
- Average freeboard: 28.71 ft / 8.75 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 119.1 %
- Above water (accommodation/working, high = better): 258.2 %
Waterplane Area: 28,504 Square feet or 2,648 Square metres
Displacement factor (Displacement / loading): 139 %
Structure weight / hull surface area: 99 lbs/sq ft or 482 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.89
- Longitudinal: 2.86
- Overall: 1.00
Cramped machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
3400t - 40 Aircraft
25t - LR Radio
10t - Additional SR Radio (for air group control)
10t - 1918 FC
25t - NF Devices
Fo'cstle deck is take-off deck leading into Hangar.
For a couple thousand tons more, the same carrier. Only now with an armored hangar, well, armored against long range light caliber fire, near misses, and splinters for the most part.
Martinique, Aztec Aircraft Carrier laid down 1926
Displacement:
15,997 t light; 16,424 t standard; 18,049 t normal; 19,350 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(594.44 ft / 587.27 ft) x 68.90 ft x (27.88 / 29.48 ft)
(181.18 m / 179.00 m) x 21.00 m x (8.50 / 8.98 m)
Armament:
12 - 3.94" / 100 mm 50.0 cal guns - 32.30lbs / 14.65kg shells, 200 per gun
Quick firing guns in deck mounts, 1926 Model
6 x Twin mounts on sides, evenly spread
8 - 2.76" / 70.0 mm 50.0 cal guns - 11.09lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1926 Model
8 x Single mounts on sides, evenly spread
16 - 1.18" / 30.0 mm 50.0 cal guns - 0.86lbs / 0.39kg shells, 1,000 per gun
Anti-air guns in deck mounts, 1926 Model
16 x Single mounts on sides, evenly spread
16 raised mounts
Weight of broadside 490 lbs / 222 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.15" / 80 mm 381.73 ft / 116.35 m 9.84 ft / 3.00 m
Ends: 1.97" / 50 mm 205.51 ft / 62.64 m 9.84 ft / 3.00 m
Upper: 2.36" / 60 mm 381.73 ft / 116.35 m 18.04 ft / 5.50 m
Main Belt covers 100 % of normal length
Main belt does not fully cover magazines and engineering spaces
- Torpedo Bulkhead - Additional damage containing bulkheads:
1.18" / 30 mm 381.73 ft / 116.35 m 25.92 ft / 7.90 m
Beam between torpedo bulkheads 45.93 ft / 14.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.97" / 50 mm - -
2nd: 0.79" / 20 mm - -
3rd: 0.79" / 20 mm - -
- Armoured deck - single deck:
For and Aft decks: 3.54" / 90 mm
Forecastle: 1.57" / 40 mm Quarter deck: 1.57" / 40 mm
- Conning towers: Forward 1.97" / 50 mm, Aft 0.00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 85,908 shp / 64,087 Kw = 29.00 kts
Range 10,000nm at 14.00 kts
Bunker at max displacement = 2,926 tons
Complement:
778 - 1,012
Cost:
£3.358 million / $13.431 million
Distribution of weights at normal displacement:
Armament: 89 tons, 0.5 %
- Guns: 89 tons, 0.5 %
Armour: 3,521 tons, 19.5 %
- Belts: 1,322 tons, 7.3 %
- Torpedo bulkhead: 432 tons, 2.4 %
- Armament: 44 tons, 0.2 %
- Armour Deck: 1,694 tons, 9.4 %
- Conning Tower: 29 tons, 0.2 %
Machinery: 2,750 tons, 15.2 %
Hull, fittings & equipment: 6,168 tons, 34.2 %
Fuel, ammunition & stores: 2,052 tons, 11.4 %
Miscellaneous weights: 3,470 tons, 19.2 %
- Hull below water: 1,700 tons
- Hull above water: 1,700 tons
- Above deck: 70 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
37,672 lbs / 17,088 Kg = 1,234.7 x 3.9 " / 100 mm shells or 4.5 torpedoes
Stability (Unstable if below 1.00): 1.19
Metacentric height 4.0 ft / 1.2 m
Roll period: 14.5 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.07
Seaboat quality (Average = 1.00): 2.00
Hull form characteristics:
Hull has low forecastle,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.560 / 0.568
Length to Beam Ratio: 8.52 : 1
'Natural speed' for length: 24.23 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 35
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 25.00 %, 19.69 ft / 6.00 m, 19.69 ft / 6.00 m
- Forward deck: 30.00 %, 39.37 ft / 12.00 m, 39.37 ft / 12.00 m
- Aft deck: 35.00 %, 39.37 ft / 12.00 m, 39.37 ft / 12.00 m
- Quarter deck: 10.00 %, 39.37 ft / 12.00 m, 39.37 ft / 12.00 m
- Average freeboard: 34.45 ft / 10.50 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 108.6 %
- Above water (accommodation/working, high = better): 274.7 %
Waterplane Area: 28,504 Square feet or 2,648 Square metres
Displacement factor (Displacement / loading): 142 %
Structure weight / hull surface area: 100 lbs/sq ft or 487 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.83
- Longitudinal: 5.25
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
3400t - 40 Aircraft
25t - LR Radio
10t - Additional SR Radio (for air group control)
10t - 1918 FC
25t - NF Devices
Armored Box Carrier:
Flight Deck: 50mm
Hangar Floor: 40mm
Fo'cstle deck is take-off deck leading into Hangar.
And finally, double hangar variant of the above. 8 more aircraft, and the aircraft would have a roomier bit of space for work with the two hangars.
Martinique, Aztec Aircraft Carrier laid down 1926
Displacement:
15,608 t light; 16,026 t standard; 17,629 t normal; 18,911 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(595.63 ft / 587.27 ft) x 68.90 ft x (27.23 / 28.81 ft)
(181.55 m / 179.00 m) x 21.00 m x (8.30 / 8.78 m)
Armament:
12 - 3.94" / 100 mm 50.0 cal guns - 32.30lbs / 14.65kg shells, 200 per gun
Quick firing guns in deck mounts, 1926 Model
6 x Twin mounts on sides, evenly spread
8 - 2.76" / 70.0 mm 50.0 cal guns - 11.09lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1926 Model
8 x Single mounts on sides, evenly spread
16 - 1.18" / 30.0 mm 50.0 cal guns - 0.86lbs / 0.39kg shells, 1,000 per gun
Anti-air guns in deck mounts, 1926 Model
16 x Single mounts on sides, evenly spread
16 raised mounts
Weight of broadside 490 lbs / 222 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.15" / 80 mm 381.73 ft / 116.35 m 11.48 ft / 3.50 m
Ends: 1.97" / 50 mm 205.51 ft / 62.64 m 11.48 ft / 3.50 m
Main Belt covers 100 % of normal length
Main belt does not fully cover magazines and engineering spaces
- Torpedo Bulkhead - Additional damage containing bulkheads:
1.18" / 30 mm 381.73 ft / 116.35 m 25.92 ft / 7.90 m
Beam between torpedo bulkheads 45.93 ft / 14.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.97" / 50 mm - -
2nd: 0.79" / 20 mm - -
3rd: 0.79" / 20 mm - -
- Armoured deck - single deck:
For and Aft decks: 2.36" / 60 mm
Forecastle: 1.57" / 40 mm Quarter deck: 1.57" / 40 mm
- Conning towers: Forward 1.97" / 50 mm, Aft 1.97" / 50 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 84,672 shp / 63,165 Kw = 29.00 kts
Range 10,000nm at 14.00 kts
Bunker at max displacement = 2,885 tons
Complement:
764 - 994
Cost:
£3.292 million / $13.166 million
Distribution of weights at normal displacement:
Armament: 89 tons, 0.5 %
- Guns: 89 tons, 0.5 %
Armour: 2,462 tons, 14.0 %
- Belts: 749 tons, 4.2 %
- Torpedo bulkhead: 432 tons, 2.5 %
- Armament: 44 tons, 0.2 %
- Armour Deck: 1,180 tons, 6.7 %
- Conning Towers: 57 tons, 0.3 %
Machinery: 2,710 tons, 15.4 %
Hull, fittings & equipment: 6,197 tons, 35.1 %
Fuel, ammunition & stores: 2,021 tons, 11.5 %
Miscellaneous weights: 4,150 tons, 23.5 %
- Hull below water: 2,040 tons
- Hull above water: 2,040 tons
- Above deck: 70 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
35,051 lbs / 15,899 Kg = 1,148.8 x 3.9 " / 100 mm shells or 4.0 torpedoes
Stability (Unstable if below 1.00): 1.21
Metacentric height 4.0 ft / 1.2 m
Roll period: 14.4 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.07
Seaboat quality (Average = 1.00): 2.00
Hull form characteristics:
Hull has low forecastle,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.560 / 0.568
Length to Beam Ratio: 8.52 : 1
'Natural speed' for length: 24.23 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 35
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 25.00 %, 22.97 ft / 7.00 m, 22.97 ft / 7.00 m
- Forward deck: 30.00 %, 39.37 ft / 12.00 m, 39.37 ft / 12.00 m
- Aft deck: 35.00 %, 39.37 ft / 12.00 m, 39.37 ft / 12.00 m
- Quarter deck: 10.00 %, 39.37 ft / 12.00 m, 39.37 ft / 12.00 m
- Average freeboard: 35.27 ft / 10.75 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 116.2 %
- Above water (accommodation/working, high = better): 279.8 %
Waterplane Area: 28,504 Square feet or 2,648 Square metres
Displacement factor (Displacement / loading): 143 %
Structure weight / hull surface area: 99 lbs/sq ft or 482 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.82
- Longitudinal: 5.63
- Overall: 1.00
Cramped machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
4080t - 48 Aircraft (2 Hangars)
25t - LR Radio
10t - Additional SR Radio (for air group control)
10t - 1918 FC
25t - NF Devices
Fo'cstle deck is take-off deck leading into Upper Hangar.
All fairly capable.
The main belt length may need adjustment?
The 100mm battery might be a bit light to fend off surface attackers, though?
I can swap the twin 100s for single 130s.
With the Lake Class Frigates finishing up in the first half of 1926, eyes turn once more to Destroyers, Razees, Submarines, and now to the first indigenous aircraft carrier.
First, a reprise of the Uhlan-class, as experience in the Mayan War showed the preference for hard hitting guns at long ranges, and the torpedoes have been removed in favor of aircraft.
Popocateptl, Aztec Razee laid down 1926
Displacement:
17,207 t light; 18,003 t standard; 19,761 t normal; 21,168 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(655.84 ft / 650.92 ft) x 85.30 ft x (22.24 / 23.50 ft)
(199.90 m / 198.40 m) x 26.00 m x (6.78 / 7.16 m)
Armament:
9 - 9.45" / 240 mm 50.0 cal guns - 446.53lbs / 202.54kg shells, 120 per gun
Breech loading guns in turret on barbette mounts, 1926 Model
3 x 3-gun mounts on centreline ends, majority forward
1 raised mount - superfiring
14 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 200 per gun
Quick firing guns in deck and hoist mounts, 1926 Model
6 x Twin mounts on sides, evenly spread
1 x Twin mount on centreline, aft deck centre
1 raised mount
6 - 2.76" / 70.0 mm 50.0 cal guns - 11.08lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1926 Model
6 x Single mounts on centreline, evenly spread
6 raised mounts
16 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,500 per gun
Anti-air guns in deck and hoist mounts, 1926 Model
8 x Twin mounts on sides, evenly spread
Weight of broadside 5,093 lbs / 2,310 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 6.89" / 175 mm 423.10 ft / 128.96 m 13.12 ft / 4.00 m
Ends: 2.99" / 76 mm 227.79 ft / 69.43 m 11.09 ft / 3.38 m
Main Belt covers 100 % of normal length
- Torpedo Bulkhead - Additional damage containing bulkheads:
1.57" / 40 mm 423.10 ft / 128.96 m 20.54 ft / 6.26 m
Beam between torpedo bulkheads 72.18 ft / 22.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 7.09" / 180 mm 4.33" / 110 mm 6.69" / 170 mm
2nd: 1.97" / 50 mm 1.18" / 30 mm 1.97" / 50 mm
4th: - - 0.79" / 20 mm
- Armoured deck - multiple decks:
For and Aft decks: 2.76" / 70 mm
Forecastle: 1.38" / 35 mm Quarter deck: 1.57" / 40 mm
- Conning towers: Forward 4.33" / 110 mm, Aft 4.33" / 110 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 102,577 shp / 76,522 Kw = 30.00 kts
Range 10,000nm at 14.00 kts
Bunker at max displacement = 3,164 tons
Complement:
833 - 1,083
Cost:
£5.496 million / $21.983 million
Distribution of weights at normal displacement:
Armament: 1,501 tons, 7.6 %
- Guns: 1,501 tons, 7.6 %
Armour: 5,271 tons, 26.7 %
- Belts: 1,904 tons, 9.6 %
- Torpedo bulkhead: 506 tons, 2.6 %
- Armament: 886 tons, 4.5 %
- Armour Deck: 1,837 tons, 9.3 %
- Conning Towers: 136 tons, 0.7 %
Machinery: 3,284 tons, 16.6 %
Hull, fittings & equipment: 6,894 tons, 34.9 %
Fuel, ammunition & stores: 2,554 tons, 12.9 %
Miscellaneous weights: 258 tons, 1.3 %
- Hull above water: 73 tons
- On freeboard deck: 60 tons
- Above deck: 125 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
28,679 lbs / 13,009 Kg = 68.0 x 9.4 " / 240 mm shells or 4.4 torpedoes
Stability (Unstable if below 1.00): 1.13
Metacentric height 4.9 ft / 1.5 m
Roll period: 16.1 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.45
Seaboat quality (Average = 1.00): 1.04
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.560 / 0.568
Length to Beam Ratio: 7.63 : 1
'Natural speed' for length: 25.51 kts
Power going to wave formation at top speed: 55 %
Trim (Max stability = 0, Max steadiness = 100): 67
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 27.89 ft / 8.50 m, 24.61 ft / 7.50 m
- Forward deck: 30.00 %, 24.61 ft / 7.50 m, 19.69 ft / 6.00 m
- Aft deck: 35.00 %, 19.69 ft / 6.00 m, 19.69 ft / 6.00 m
- Quarter deck: 15.00 %, 19.69 ft / 6.00 m, 19.69 ft / 6.00 m
- Average freeboard: 21.67 ft / 6.60 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 93.8 %
- Above water (accommodation/working, high = better): 186.2 %
Waterplane Area: 39,115 Square feet or 3,634 Square metres
Displacement factor (Displacement / loading): 115 %
Structure weight / hull surface area: 141 lbs/sq ft or 690 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.25
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
25t - LR Radio
25t - NF Devices (1918)
150t - 1918 FC
60t - 2 x Armed Floatplane w/ Catapults
And an alternate design. Sacrifices 1kt in speed, gains some armor, and is actually 300t lighter. Also picks up an additional 2 floatplanes aboard.
Uhlan, Aztec Razee laid down 1926
Displacement:
16,915 t light; 17,700 t standard; 19,439 t normal; 20,829 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(654.97 ft / 650.92 ft) x 83.66 ft x (22.31 / 23.58 ft)
(199.63 m / 198.40 m) x 25.50 m x (6.80 / 7.19 m)
Armament:
9 - 9.45" / 240 mm 50.0 cal guns - 446.52lbs / 202.54kg shells, 120 per gun
Breech loading guns in turret on barbette mounts, 1926 Model
3 x 3-gun mounts on centreline ends, majority forward
1 raised mount - superfiring
14 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 200 per gun
Quick firing guns in deck and hoist mounts, 1926 Model
6 x Twin mounts on sides, evenly spread
1 x Twin mount on centreline, aft deck centre
1 raised mount
4 - 2.76" / 70.0 mm 50.0 cal guns - 11.09lbs / 5.03kg shells, 400 per gun
Anti-air guns in deck mounts, 1926 Model
4 x Single mounts on centreline, evenly spread
4 raised mounts
12 - 1.18" / 30.0 mm 50.0 cal guns - 0.86lbs / 0.39kg shells, 1,500 per gun
Anti-air guns in deck and hoist mounts, 1926 Model
6 x Twin mounts on sides, evenly spread
Weight of broadside 5,067 lbs / 2,298 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 7.87" / 200 mm 423.10 ft / 128.96 m 13.12 ft / 4.00 m
Ends: 3.15" / 80 mm 227.79 ft / 69.43 m 11.48 ft / 3.50 m
Main Belt covers 100 % of normal length
- Torpedo Bulkhead - Additional damage containing bulkheads:
1.57" / 40 mm 423.10 ft / 128.96 m 20.47 ft / 6.24 m
Beam between torpedo bulkheads 65.62 ft / 20.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 9.45" / 240 mm 5.51" / 140 mm 7.87" / 200 mm
2nd: 3.15" / 80 mm 1.97" / 50 mm 1.97" / 50 mm
3rd: 0.79" / 20 mm - -
4th: 0.79" / 20 mm - 0.79" / 20 mm
- Armoured deck - single deck:
For and Aft decks: 2.76" / 70 mm
Forecastle: 1.38" / 35 mm Quarter deck: 1.57" / 40 mm
- Conning towers: Forward 5.51" / 140 mm, Aft 5.51" / 140 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 88,314 shp / 65,882 Kw = 29.00 kts
Range 10,000nm at 14.00 kts
Bunker at max displacement = 3,129 tons
Complement:
823 - 1,070
Cost:
£5.233 million / $20.933 million
Distribution of weights at normal displacement:
Armament: 1,495 tons, 7.7 %
- Guns: 1,495 tons, 7.7 %
Armour: 5,662 tons, 29.1 %
- Belts: 2,152 tons, 11.1 %
- Torpedo bulkhead: 505 tons, 2.6 %
- Armament: 1,031 tons, 5.3 %
- Armour Deck: 1,802 tons, 9.3 %
- Conning Towers: 172 tons, 0.9 %
Machinery: 2,827 tons, 14.5 %
Hull, fittings & equipment: 6,575 tons, 33.8 %
Fuel, ammunition & stores: 2,524 tons, 13.0 %
Miscellaneous weights: 356 tons, 1.8 %
- Hull below water: 50 tons
- Hull above water: 71 tons
- On freeboard deck: 110 tons
- Above deck: 125 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
28,327 lbs / 12,849 Kg = 67.2 x 9.4 " / 240 mm shells or 4.7 torpedoes
Stability (Unstable if below 1.00): 1.08
Metacentric height 4.5 ft / 1.4 m
Roll period: 16.6 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.45
Seaboat quality (Average = 1.00): 1.01
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.560 / 0.568
Length to Beam Ratio: 7.78 : 1
'Natural speed' for length: 25.51 kts
Power going to wave formation at top speed: 53 %
Trim (Max stability = 0, Max steadiness = 100): 70
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 22.97 ft / 7.00 m, 21.33 ft / 6.50 m
- Forward deck: 30.00 %, 21.33 ft / 6.50 m, 18.04 ft / 5.50 m
- Aft deck: 35.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
- Quarter deck: 15.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
- Average freeboard: 19.32 ft / 5.89 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 93.5 %
- Above water (accommodation/working, high = better): 166.9 %
Waterplane Area: 38,363 Square feet or 3,564 Square metres
Displacement factor (Displacement / loading): 116 %
Structure weight / hull surface area: 140 lbs/sq ft or 686 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.99
- Longitudinal: 1.07
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
25t - LR Radio
25t - NF Devices (1918)
146t - 1918 FC
50t - Additional DC Equipment
10t - 2 x Catapult Aft
100t - 4 x Armed Floatplane Aft
And two designs for a new Aircraft carrier. The first with a fully enclosed and armored hangar, flying off deck at forecastle hangar end, and 40 aircraft.
Martinique, Aztec Aircraft Carrier laid down 1926
Displacement:
16,370 t light; 16,835 t standard; 18,484 t normal; 19,802 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(594.44 ft / 587.27 ft) x 70.54 ft x (27.89 / 29.51 ft)
(181.18 m / 179.00 m) x 21.50 m x (8.50 / 8.99 m)
Armament:
8 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 200 per gun
Quick firing guns in deck mounts, 1926 Model
8 x Single mounts on sides, evenly spread
12 - 2.76" / 70.0 mm 50.0 cal guns - 11.09lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1926 Model
12 x Single mounts on sides, evenly spread
20 - 1.18" / 30.0 mm 50.0 cal guns - 0.86lbs / 0.39kg shells, 1,000 per gun
Anti-air guns in deck and hoist mounts, 1926 Model
10 x Twin mounts on sides, evenly spread
16 raised mounts
Weight of broadside 718 lbs / 326 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.15" / 80 mm 381.73 ft / 116.35 m 9.84 ft / 3.00 m
Ends: 1.97" / 50 mm 205.51 ft / 62.64 m 9.84 ft / 3.00 m
Upper: 2.36" / 60 mm 381.73 ft / 116.35 m 18.04 ft / 5.50 m
Main Belt covers 100 % of normal length
- Torpedo Bulkhead - Additional damage containing bulkheads:
1.18" / 30 mm 381.73 ft / 116.35 m 25.92 ft / 7.90 m
Beam between torpedo bulkheads 70.54 ft / 21.50 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.97" / 50 mm - -
2nd: 0.79" / 20 mm - -
3rd: 0.79" / 20 mm 0.79" / 20 mm 0.79" / 20 mm
- Armoured deck - single deck:
For and Aft decks: 3.54" / 90 mm
Forecastle: 1.57" / 40 mm Quarter deck: 1.57" / 40 mm
- Conning towers: Forward 1.97" / 50 mm, Aft 0.00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 87,471 shp / 65,253 Kw = 29.00 kts
Range 10,000nm at 14.00 kts
Bunker at max displacement = 2,968 tons
Complement:
792 - 1,030
Cost:
£3.474 million / $13.894 million
Distribution of weights at normal displacement:
Armament: 146 tons, 0.8 %
- Guns: 146 tons, 0.8 %
Armour: 3,622 tons, 19.6 %
- Belts: 1,328 tons, 7.2 %
- Torpedo bulkhead: 432 tons, 2.3 %
- Armament: 97 tons, 0.5 %
- Armour Deck: 1,734 tons, 9.4 %
- Conning Tower: 30 tons, 0.2 %
Machinery: 2,800 tons, 15.1 %
Hull, fittings & equipment: 6,328 tons, 34.2 %
Fuel, ammunition & stores: 2,113 tons, 11.4 %
Miscellaneous weights: 3,475 tons, 18.8 %
- Hull below water: 1,700 tons
- Hull above water: 1,700 tons
- Above deck: 75 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
38,959 lbs / 17,671 Kg = 581.2 x 5.1 " / 130 mm shells or 4.6 torpedoes
Stability (Unstable if below 1.00): 1.21
Metacentric height 4.2 ft / 1.3 m
Roll period: 14.5 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.13
Seaboat quality (Average = 1.00): 2.00
Hull form characteristics:
Hull has low forecastle,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.560 / 0.567
Length to Beam Ratio: 8.33 : 1
'Natural speed' for length: 24.23 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 35
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 25.00 %, 19.69 ft / 6.00 m, 19.69 ft / 6.00 m
- Forward deck: 30.00 %, 39.37 ft / 12.00 m, 39.37 ft / 12.00 m
- Aft deck: 35.00 %, 39.37 ft / 12.00 m, 39.37 ft / 12.00 m
- Quarter deck: 10.00 %, 39.37 ft / 12.00 m, 39.37 ft / 12.00 m
- Average freeboard: 34.45 ft / 10.50 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 72.4 %
- Above water (accommodation/working, high = better): 276.3 %
Waterplane Area: 29,182 Square feet or 2,711 Square metres
Displacement factor (Displacement / loading): 141 %
Structure weight / hull surface area: 103 lbs/sq ft or 504 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.83
- Longitudinal: 5.12
- Overall: 1.00
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
Warning: Too many mounts in specific locations - 3rd Battery
3400t - 40 Aircraft
25t - LR Radio
10t - Additional SR Radio (for air group control)
15t - 1918 FC
25t - NF Devices
Armored Box Carrier:
Flight Deck: 50mm
Hangar Floor: 40mm
Fo'cstle deck is take-off deck leading into Hangar.
And the second, a double unarmored hangar, with 18 more aircraft
Martinique, Aztec Aircraft Carrier laid down 1926
Displacement:
17,704 t light; 18,227 t standard; 20,020 t normal; 21,454 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(630.52 ft / 623.36 ft) x 78.74 ft x (25.49 / 26.94 ft)
(192.18 m / 190.00 m) x 24.00 m x (7.77 / 8.21 m)
Armament:
8 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 250 per gun
Quick firing guns in deck mounts, 1926 Model
8 x Twin mounts on sides, evenly spread
12 - 2.76" / 70.0 mm 50.0 cal guns - 11.09lbs / 5.03kg shells, 400 per gun
Anti-air guns in deck mounts, 1926 Model
12 x Single mounts on sides, evenly spread
20 - 1.18" / 30.0 mm 50.0 cal guns - 0.86lbs / 0.39kg shells, 1,500 per gun
Anti-air guns in deck and hoist mounts, 1926 Model
20 x Twin mounts on sides, evenly spread
16 raised mounts
Weight of broadside 718 lbs / 326 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.15" / 80 mm 405.18 ft / 123.50 m 13.12 ft / 4.00 m
Ends: 1.97" / 50 mm 218.14 ft / 66.49 m 10.66 ft / 3.25 m
Main Belt covers 100 % of normal length
Main belt does not fully cover magazines and engineering spaces
- Torpedo Bulkhead - Additional damage containing bulkheads:
1.18" / 30 mm 405.18 ft / 123.50 m 21.98 ft / 6.70 m
Beam between torpedo bulkheads 59.06 ft / 18.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.97" / 50 mm - -
2nd: 0.79" / 20 mm - -
3rd: 0.79" / 20 mm 0.79" / 20 mm 0.79" / 20 mm
- Armoured deck - single deck:
For and Aft decks: 2.36" / 60 mm
Forecastle: 1.57" / 40 mm Quarter deck: 1.57" / 40 mm
- Conning towers: Forward 1.97" / 50 mm, Aft 0.00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 90,572 shp / 67,567 Kw = 29.00 kts
Range 10,300nm at 14.00 kts
Bunker at max displacement = 3,226 tons
Complement:
840 - 1,093
Cost:
£3.683 million / $14.732 million
Distribution of weights at normal displacement:
Armament: 128 tons, 0.6 %
- Guns: 128 tons, 0.6 %
Armour: 2,876 tons, 14.4 %
- Belts: 877 tons, 4.4 %
- Torpedo bulkhead: 389 tons, 1.9 %
- Armament: 147 tons, 0.7 %
- Armour Deck: 1,431 tons, 7.1 %
- Conning Tower: 31 tons, 0.2 %
Machinery: 2,899 tons, 14.5 %
Hull, fittings & equipment: 7,087 tons, 35.4 %
Fuel, ammunition & stores: 2,316 tons, 11.6 %
Miscellaneous weights: 4,715 tons, 23.6 %
- Hull below water: 2,320 tons
- Hull above water: 2,320 tons
- Above deck: 75 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
44,748 lbs / 20,298 Kg = 667.5 x 5.1 " / 130 mm shells or 5.1 torpedoes
Stability (Unstable if below 1.00): 1.32
Metacentric height 5.7 ft / 1.7 m
Roll period: 13.8 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.10
Seaboat quality (Average = 1.00): 2.00
Hull form characteristics:
Hull has low forecastle,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.560 / 0.568
Length to Beam Ratio: 7.92 : 1
'Natural speed' for length: 24.97 kts
Power going to wave formation at top speed: 55 %
Trim (Max stability = 0, Max steadiness = 100): 35
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 25.00 %, 19.69 ft / 6.00 m, 19.69 ft / 6.00 m
- Forward deck: 30.00 %, 39.37 ft / 12.00 m, 39.37 ft / 12.00 m
- Aft deck: 35.00 %, 39.37 ft / 12.00 m, 39.37 ft / 12.00 m
- Quarter deck: 10.00 %, 39.37 ft / 12.00 m, 39.37 ft / 12.00 m
- Average freeboard: 34.45 ft / 10.50 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 100.4 %
- Above water (accommodation/working, high = better): 308.7 %
Waterplane Area: 34,578 Square feet or 3,212 Square metres
Displacement factor (Displacement / loading): 145 %
Structure weight / hull surface area: 110 lbs/sq ft or 539 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.86
- Longitudinal: 3.77
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
4640t - 58 Aircraft
25t - LR Radio
10t - Additional SR Radio (for air group control)
15t - 1918 FC
25t - NF Devices
Fo'cstle deck is take-off deck leading into Hangar.
Double Unarmored Hangar
I'd prefer the faster razee for cruiser-killing reasons.
Some of the carrier battery needs a bit of tweaking. Are you able to build box carriers at this point?
I have to have separate takeoff and landing decks right now. Which is being accomplished by having the takeoff deck down at hangar level and the bridge at the fore end of the landing deck. So on the armored box design, the front of the box has an opening.
What problems with the batteries?
Twenty guns in twenty twin mounts, in one case. Not major stuff, but it might save you a few tonnes somewhere.
Quote from: The Rock Doctor on April 28, 2023, 06:43:42 PM
Twenty guns in twenty twin mounts, in one case. Not major stuff, but it might save you a few tonnes somewhere.
Ahh. Yes, a small problem. Probably when I swapped from the simpler single mounts to the twin mount and hoist on the 30mm pom pom, the latter having better sustained fire.
Looking to DDs, I have spent some time reconfiguring the I-Class. An AA Suite for self defense of 12 x 30mm AA guns, a strong main battery of 3x2x130mm guns, and a general purpose mix of Hydrophones/Depth Charges/Torpedoes. All on a ship pushing better than 32kts sustained, with splinter protection to protect against the ship or its main battery getting popped by a lucky hit or near miss by DD or cruiser-grade weapons.
I-Class, Aztec Destroyer laid down 1926
Displacement:
2,000 t light; 2,100 t standard; 2,346 t normal; 2,543 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(400.87 ft / 393.70 ft) x 36.09 ft x (10.51 / 11.20 ft)
(122.18 m / 120.00 m) x 11.00 m x (3.20 / 3.42 m)
Armament:
6 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 200 per gun
Quick firing guns in deck and hoist mounts, 1926 Model
3 x Twin mounts on centreline ends, majority forward
1 raised mount - superfiring
12 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,000 per gun
Quick firing guns in deck mounts, 1926 Model
12 x Single mounts on sides, evenly spread
Weight of broadside 436 lbs / 198 kg
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.06" / 27 mm 0.94" / 24 mm 1.06" / 27 mm
- Box over magazines:
1.06" / 27 mm
- Conning towers: Forward 1.06" / 27 mm, Aft 0.00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 44,429 shp / 33,144 Kw = 32.39 kts
Range 5,000nm at 14.00 kts
Bunker at max displacement = 443 tons
Complement:
168 - 219
Cost:
£0.968 million / $3.872 million
Distribution of weights at normal displacement:
Armament: 106 tons, 4.5 %
- Guns: 106 tons, 4.5 %
Armour: 43 tons, 1.8 %
- Armament: 21 tons, 0.9 %
- Armour Deck: 18 tons, 0.8 %
- Conning Tower: 4 tons, 0.2 %
Machinery: 1,174 tons, 50.0 %
Hull, fittings & equipment: 633 tons, 27.0 %
Fuel, ammunition & stores: 346 tons, 14.8 %
Miscellaneous weights: 44 tons, 1.9 %
- Hull below water: 5 tons
- Hull above water: 6 tons
- On freeboard deck: 26 tons
- Above deck: 7 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
623 lbs / 283 Kg = 9.3 x 5.1 " / 130 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.20
Metacentric height 1.5 ft / 0.5 m
Roll period: 12.3 seconds
Steadiness - As gun platform (Average = 50 %): 60 %
- Recoil effect (Restricted arc if above 1.00): 0.69
Seaboat quality (Average = 1.00): 1.01
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.550 / 0.559
Length to Beam Ratio: 10.91 : 1
'Natural speed' for length: 19.84 kts
Power going to wave formation at top speed: 66 %
Trim (Max stability = 0, Max steadiness = 100): 59
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 19.69 ft / 6.00 m, 18.04 ft / 5.50 m
- Forward deck: 30.00 %, 18.04 ft / 5.50 m, 14.76 ft / 4.50 m
- Aft deck: 35.00 %, 14.76 ft / 4.50 m, 14.76 ft / 4.50 m
- Quarter deck: 15.00 %, 14.76 ft / 4.50 m, 14.76 ft / 4.50 m
- Average freeboard: 16.04 ft / 4.89 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 180.6 %
- Above water (accommodation/working, high = better): 174.5 %
Waterplane Area: 9,916 Square feet or 921 Square metres
Displacement factor (Displacement / loading): 70 %
Structure weight / hull surface area: 37 lbs/sq ft or 180 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.42
- Overall: 0.55
Cramped machinery, storage, compartmentation space
Excellent accommodation and workspace room
13t - 1918 FC
16t - 1x4x21in HW TT Centerline
5t - Basic Hydrophones
10t - 50 x DC
It's pretty capable.
Quote from: The Rock Doctor on April 30, 2023, 04:32:07 PM
It's pretty capable.
I had been looking at a pure gun platform, but couldn't get it right. I tried pulling most of the splinter protection off, but it didn't really make for room to put anything useful. I'll probably look at night fighting devices aboard moving forward as we get towards radar.
It is a gun combat destroyer because it only has 4TT.
Its weight reserve is low.
Quote from: Jefgte on April 30, 2023, 05:40:59 PM
It is a gun combat destroyer because it only has 4TT.
Its weight reserve is low.
The torpedoes falling off are a natural result of the Mayan war and the complete ineffectiveness of torpedoes in battle, even in near ideal circumstances.
And yes, she doesn't have a whole lot of weight to spare, of course she is a dd. Refit options for this class would most likely be a 110 or 115mm dual purpose gun, which would be weight neutral and actually free up a little.
And a lighter design of DD. Something more 'escort oriented'.
DD-K, Aztec Destroyer laid down 1927
Displacement:
1,466 t light; 1,539 t standard; 1,741 t normal; 1,902 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(382.13 ft / 377.30 ft) x 32.81 ft x (9.84 / 10.53 ft)
(116.47 m / 115.00 m) x 10.00 m x (3.00 / 3.21 m)
Armament:
4 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 200 per gun
Quick firing guns in deck mounts, 1927 Model
4 x Single mounts on centreline ends, evenly spread
2 raised mounts - superfiring
12 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,000 per gun
Anti-air guns in deck mounts, 1927 Model
12 x Single mounts on sides, evenly spread
Weight of broadside 294 lbs / 134 kg
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.06" / 27 mm 1.06" / 27 mm -
- Conning towers: Forward 1.06" / 27 mm, Aft 0.00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 35,554 shp / 26,524 Kw = 32.25 kts
Range 5,000nm at 14.00 kts
Bunker at max displacement = 363 tons
Complement:
134 - 175
Cost:
£0.696 million / $2.785 million
Distribution of weights at normal displacement:
Armament: 58 tons, 3.4 %
- Guns: 58 tons, 3.4 %
Armour: 32 tons, 1.9 %
- Armament: 29 tons, 1.7 %
- Conning Tower: 3 tons, 0.2 %
Machinery: 887 tons, 51.0 %
Hull, fittings & equipment: 421 tons, 24.2 %
Fuel, ammunition & stores: 274 tons, 15.7 %
Miscellaneous weights: 67 tons, 3.8 %
- Hull below water: 15 tons
- On freeboard deck: 44 tons
- Above deck: 8 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
502 lbs / 228 Kg = 7.5 x 5.1 " / 130 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.33
Metacentric height 1.6 ft / 0.5 m
Roll period: 11.0 seconds
Steadiness - As gun platform (Average = 50 %): 59 %
- Recoil effect (Restricted arc if above 1.00): 0.30
Seaboat quality (Average = 1.00): 1.04
Hull form characteristics:
Hull has rise forward of midbreak,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.500 / 0.511
Length to Beam Ratio: 11.50 : 1
'Natural speed' for length: 19.42 kts
Power going to wave formation at top speed: 65 %
Trim (Max stability = 0, Max steadiness = 100): 57
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
- Forward deck: 30.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
- Aft deck: 35.00 %, 9.84 ft / 3.00 m, 9.84 ft / 3.00 m
- Quarter deck: 15.00 %, 9.84 ft / 3.00 m, 9.84 ft / 3.00 m
- Average freeboard: 13.94 ft / 4.25 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 175.4 %
- Above water (accommodation/working, high = better): 159.8 %
Waterplane Area: 8,247 Square feet or 766 Square metres
Displacement factor (Displacement / loading): 70 %
Structure weight / hull surface area: 30 lbs/sq ft or 147 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.18
- Overall: 0.54
Cramped machinery, storage, compartmentation space
Excellent accommodation and workspace room
15t -Advanced Hydrophones
24t - Depth Charges
4t - 4 x DC Thrower
16t - 1 x 4 x 21in HW TT Centerline
8t - 1918 FC
The I-Class DD is considered suitable as a large DD or Leader for the Caribbean and Atlantic forces, as its range issues are made moot by the availability of ports to refuel. For the Pacific, a larger radius of action is required simply to operate with a fleet.
J-Class, Aztec Destroyer laid down 1926
Displacement:
2,000 t light; 2,084 t standard; 2,485 t normal; 2,805 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(400.27 ft / 393.70 ft) x 38.06 ft x (10.75 / 11.83 ft)
(122.00 m / 120.00 m) x 11.60 m x (3.28 / 3.61 m)
Armament:
8 - 3.94" / 100 mm 50.0 cal guns - 32.30lbs / 14.65kg shells, 200 per gun
Quick firing guns in deck mounts, 1926 Model
4 x Twin mounts on centreline ends, evenly spread
2 raised mounts - superfiring
12 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,000 per gun
Quick firing guns in deck and hoist mounts, 1926 Model
6 x Twin mounts on sides, evenly spread
Weight of broadside 269 lbs / 122 kg
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.06" / 27 mm 0.87" / 22 mm -
2nd: - - 0.79" / 20 mm
- Conning towers: Forward 1.06" / 27 mm, Aft 0.00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 43,946 shp / 32,784 Kw = 32.00 kts
Range 8,000nm at 14.00 kts
Bunker at max displacement = 721 tons
Complement:
175 - 228
Cost:
£0.908 million / $3.632 million
Distribution of weights at normal displacement:
Armament: 47 tons, 1.9 %
- Guns: 47 tons, 1.9 %
Armour: 26 tons, 1.0 %
- Armament: 22 tons, 0.9 %
- Conning Tower: 4 tons, 0.2 %
Machinery: 1,265 tons, 50.9 %
Hull, fittings & equipment: 582 tons, 23.4 %
Fuel, ammunition & stores: 485 tons, 19.5 %
Miscellaneous weights: 80 tons, 3.2 %
- Hull below water: 15 tons
- Hull above water: 6 tons
- On freeboard deck: 54 tons
- Above deck: 5 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
774 lbs / 351 Kg = 25.4 x 3.9 " / 100 mm shells or 0.4 torpedoes
Stability (Unstable if below 1.00): 1.39
Metacentric height 2.1 ft / 0.6 m
Roll period: 11.1 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.19
Seaboat quality (Average = 1.00): 1.05
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.540 / 0.554
Length to Beam Ratio: 10.34 : 1
'Natural speed' for length: 19.84 kts
Power going to wave formation at top speed: 66 %
Trim (Max stability = 0, Max steadiness = 100): 66
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
- Forward deck: 30.00 %, 18.04 ft / 5.50 m, 14.76 ft / 4.50 m
- Aft deck: 35.00 %, 14.76 ft / 4.50 m, 14.76 ft / 4.50 m
- Quarter deck: 15.00 %, 14.76 ft / 4.50 m, 14.76 ft / 4.50 m
- Average freeboard: 15.91 ft / 4.85 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 172.1 %
- Above water (accommodation/working, high = better): 175.0 %
Waterplane Area: 10,359 Square feet or 962 Square metres
Displacement factor (Displacement / loading): 81 %
Structure weight / hull surface area: 33 lbs/sq ft or 161 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.25
- Overall: 0.55
Cramped machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
11t - 1918 FC
32t - 2x4x21in HW TT Centerline
15t - Enhanced Hydrophones 1915
2t - 2 x DC Thrower
20t - 100 x 195kg DC
And the settled-upon iteration of the first purpose-built aircraft carrier produced entirely by Aztec hands, HMS Zoraster being a design by the Sultanate but produced by Parthia.
Martinique, Aztec Aircraft Carrier laid down 1926
Displacement:
13,482 t light; 13,875 t standard; 15,399 t normal; 16,618 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(593.24 ft / 587.27 ft) x 68.90 ft x (23.79 / 25.28 ft)
(180.82 m / 179.00 m) x 21.00 m x (7.25 / 7.71 m)
Armament:
12 - 3.94" / 100 mm 50.0 cal guns - 32.30lbs / 14.65kg shells, 250 per gun
Quick firing guns in deck mounts, 1926 Model
6 x Twin mounts on sides, evenly spread
8 - 2.76" / 70.0 mm 50.0 cal guns - 11.09lbs / 5.03kg shells, 400 per gun
Anti-air guns in deck mounts, 1926 Model
8 x Single mounts on sides, evenly spread
16 - 1.18" / 30.0 mm 50.0 cal guns - 0.86lbs / 0.39kg shells, 1,500 per gun
Anti-air guns in deck mounts, 1926 Model
16 x Single mounts on sides, evenly spread
16 raised mounts
Weight of broadside 490 lbs / 222 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.15" / 80 mm 381.73 ft / 116.35 m 9.84 ft / 3.00 m
Ends: 1.97" / 50 mm 205.51 ft / 62.64 m 9.84 ft / 3.00 m
Main Belt covers 100 % of normal length
Main belt does not fully cover magazines and engineering spaces
- Torpedo Bulkhead - Additional damage containing bulkheads:
1.18" / 30 mm 381.73 ft / 116.35 m 25.92 ft / 7.90 m
Beam between torpedo bulkheads 45.93 ft / 14.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.97" / 50 mm - -
2nd: 0.79" / 20 mm - -
3rd: 0.79" / 20 mm - -
- Armoured deck - single deck:
For and Aft decks: 2.36" / 60 mm
Forecastle: 1.57" / 40 mm Quarter deck: 1.57" / 40 mm
- Conning towers: Forward 1.97" / 50 mm, Aft 0.00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 78,013 shp / 58,197 Kw = 29.00 kts
Range 10,300nm at 14.00 kts
Bunker at max displacement = 2,743 tons
Complement:
690 - 898
Cost:
£2.931 million / $11.726 million
Distribution of weights at normal displacement:
Armament: 89 tons, 0.6 %
- Guns: 89 tons, 0.6 %
Armour: 2,324 tons, 15.1 %
- Belts: 642 tons, 4.2 %
- Torpedo bulkhead: 432 tons, 2.8 %
- Armament: 44 tons, 0.3 %
- Armour Deck: 1,180 tons, 7.7 %
- Conning Tower: 26 tons, 0.2 %
Machinery: 2,497 tons, 16.2 %
Hull, fittings & equipment: 5,102 tons, 33.1 %
Fuel, ammunition & stores: 1,917 tons, 12.4 %
Miscellaneous weights: 3,470 tons, 22.5 %
- Hull below water: 1,700 tons
- Hull above water: 1,700 tons
- Above deck: 70 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
30,719 lbs / 13,934 Kg = 1,006.8 x 3.9 " / 100 mm shells or 3.8 torpedoes
Stability (Unstable if below 1.00): 1.35
Metacentric height 4.8 ft / 1.5 m
Roll period: 13.1 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.05
Seaboat quality (Average = 1.00): 2.00
Hull form characteristics:
Hull has low forecastle,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.560 / 0.569
Length to Beam Ratio: 8.52 : 1
'Natural speed' for length: 24.23 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 35
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 25.00 %, 16.40 ft / 5.00 m, 16.40 ft / 5.00 m
- Forward deck: 30.00 %, 32.81 ft / 10.00 m, 32.81 ft / 10.00 m
- Aft deck: 35.00 %, 32.81 ft / 10.00 m, 32.81 ft / 10.00 m
- Quarter deck: 10.00 %, 32.81 ft / 10.00 m, 32.81 ft / 10.00 m
- Average freeboard: 28.71 ft / 8.75 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 119.1 %
- Above water (accommodation/working, high = better): 258.2 %
Waterplane Area: 28,504 Square feet or 2,648 Square metres
Displacement factor (Displacement / loading): 139 %
Structure weight / hull surface area: 99 lbs/sq ft or 482 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.89
- Longitudinal: 2.86
- Overall: 1.00
Cramped machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
3400t - 40 Aircraft
25t - LR Radio
10t - Additional SR Radio (for air group control)
10t - 1918 FC
25t - NF Devices
Fo'cstle deck is take-off deck leading into Hangar.
Was brought to my attention that the belt for this ship was off. Adjusted properly. Also wound up changing the guns to 130mm, and added more 70mm and 30mm guns.
Martinique, Aztec Aircraft Carrier laid down 1926
Displacement:
13,449 t light; 13,875 t standard; 15,399 t normal; 16,618 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(593.24 ft / 587.27 ft) x 68.90 ft x (23.79 / 25.28 ft)
(180.82 m / 179.00 m) x 21.00 m x (7.25 / 7.71 m)
Armament:
8 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 250 per gun
Quick firing guns in deck mounts, 1926 Model
8 x Twin mounts on sides, evenly spread
10 - 2.76" / 70.0 mm 50.0 cal guns - 11.09lbs / 5.03kg shells, 400 per gun
Anti-air guns in deck mounts, 1926 Model
10 x Single mounts on sides, evenly spread
20 - 1.18" / 30.0 mm 50.0 cal guns - 0.86lbs / 0.39kg shells, 1,500 per gun
Anti-air guns in deck mounts, 1926 Model
20 x Single mounts on sides, evenly spread
16 raised mounts
Weight of broadside 696 lbs / 316 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.15" / 80 mm 405.22 ft / 123.51 m 9.97 ft / 3.04 m
Ends: 1.97" / 50 mm 182.02 ft / 55.48 m 9.97 ft / 3.04 m
Main Belt covers 106 % of normal length
- Torpedo Bulkhead - Additional damage containing bulkheads:
0.94" / 24 mm 405.22 ft / 123.51 m 21.98 ft / 6.70 m
Beam between torpedo bulkheads 52.49 ft / 16.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.97" / 50 mm - -
2nd: 0.79" / 20 mm - -
3rd: 0.79" / 20 mm - -
- Armoured deck - single deck:
For and Aft decks: 2.36" / 60 mm
Forecastle: 1.57" / 40 mm Quarter deck: 1.57" / 40 mm
- Conning towers: Forward 1.97" / 50 mm, Aft 0.00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 78,013 shp / 58,197 Kw = 29.00 kts
Range 10,300nm at 14.00 kts
Bunker at max displacement = 2,743 tons
Complement:
690 - 898
Cost:
£2.964 million / $11.857 million
Distribution of weights at normal displacement:
Armament: 122 tons, 0.8 %
- Guns: 122 tons, 0.8 %
Armour: 2,251 tons, 14.6 %
- Belts: 660 tons, 4.3 %
- Torpedo bulkhead: 311 tons, 2.0 %
- Armament: 62 tons, 0.4 %
- Armour Deck: 1,192 tons, 7.7 %
- Conning Tower: 26 tons, 0.2 %
Machinery: 2,497 tons, 16.2 %
Hull, fittings & equipment: 5,107 tons, 33.2 %
Fuel, ammunition & stores: 1,950 tons, 12.7 %
Miscellaneous weights: 3,472 tons, 22.5 %
- Hull below water: 1,700 tons
- Hull above water: 1,700 tons
- Above deck: 72 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
30,337 lbs / 13,761 Kg = 452.6 x 5.1 " / 130 mm shells or 3.6 torpedoes
Stability (Unstable if below 1.00): 1.34
Metacentric height 4.8 ft / 1.5 m
Roll period: 13.2 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.08
Seaboat quality (Average = 1.00): 2.00
Hull form characteristics:
Hull has low forecastle,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.560 / 0.569
Length to Beam Ratio: 8.52 : 1
'Natural speed' for length: 24.23 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 35
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 25.00 %, 16.40 ft / 5.00 m, 16.40 ft / 5.00 m
- Forward deck: 30.00 %, 32.81 ft / 10.00 m, 32.81 ft / 10.00 m
- Aft deck: 39.00 %, 32.81 ft / 10.00 m, 32.81 ft / 10.00 m
- Quarter deck: 6.00 %, 32.81 ft / 10.00 m, 32.81 ft / 10.00 m
- Average freeboard: 28.71 ft / 8.75 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 105.2 %
- Above water (accommodation/working, high = better): 258.2 %
Waterplane Area: 28,504 Square feet or 2,648 Square metres
Displacement factor (Displacement / loading): 139 %
Structure weight / hull surface area: 99 lbs/sq ft or 484 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.89
- Longitudinal: 2.88
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
3400t - 40 Aircraft
25t - LR Radio
10t - Additional SR Radio (for air group control)
12t - 1918 FC
25t - NF Devices
Fo'cstle deck is take-off deck leading into Hangar.
It does appear that the Aztec mode of 24kt battleships is showing its age. With 9 of these ships either in service or in production, there are sufficient vessels to make battle squadrons out of these classes, and a new model battleship may be looked at. While aircraft are interesting, including the possibility of torpedo bombing, the gun still reigns supreme. This design is in the interest of bringing the full capability of the latest in battleship design into the 30kt speed band, where it can chase anything inferior and likely run from any superior force, while being able to select it's optimum range band for its guns.
Conqueror, Aztec Battleship laid down 1928
Displacement:
43,999 t light; 46,008 t standard; 49,084 t normal; 51,544 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(818.85 ft / 813.65 ft) x 124.67 ft x (29.20 / 30.38 ft)
(249.59 m / 248.00 m) x 38.00 m x (8.90 / 9.26 m)
Armament:
8 - 15.75" / 400 mm 45.0 cal guns - 1,969.41lbs / 893.31kg shells, 100 per gun
Breech loading guns in turret on barbette mounts, 1928 Model
4 x 2-gun mounts on centreline, forward evenly spread
2 raised mounts
16 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 200 per gun
Quick firing guns in deck and hoist mounts, 1928 Model
8 x Twin mounts on sides, evenly spread
8 - 2.76" / 70.0 mm 50.0 cal guns - 11.08lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1928 Model
8 x Single mounts on sides, evenly spread
8 raised mounts
24 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,000 per gun
Anti-air guns in deck and hoist mounts, 1928 Model
12 x Twin mounts on sides, evenly spread
4 raised mounts
Weight of broadside 17,000 lbs / 7,711 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 13.4" / 340 mm 528.87 ft / 161.20 m 16.40 ft / 5.00 m
Ends: 3.15" / 80 mm 284.74 ft / 86.79 m 16.40 ft / 5.00 m
Main Belt covers 100 % of normal length
- Torpedo Bulkhead - Additional damage containing bulkheads:
1.57" / 40 mm 528.87 ft / 161.20 m 27.13 ft / 8.27 m
Beam between torpedo bulkheads 98.43 ft / 30.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 15.0" / 380 mm 9.84" / 250 mm 13.4" / 340 mm
2nd: 2.76" / 70 mm 1.38" / 35 mm 2.76" / 70 mm
4th: - - 0.98" / 25 mm
- Armoured deck - multiple decks:
For and Aft decks: 5.12" / 130 mm
Forecastle: 1.18" / 30 mm Quarter deck: 2.76" / 70 mm
- Conning towers: Forward 5.51" / 140 mm, Aft 5.51" / 140 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 170,894 shp / 127,487 Kw = 30.00 kts
Range 10,000nm at 14.00 kts
Bunker at max displacement = 5,536 tons
Complement:
1,648 - 2,143
Cost:
£14.822 million / $59.289 million
Distribution of weights at normal displacement:
Armament: 3,436 tons, 7.0 %
- Guns: 3,436 tons, 7.0 %
Armour: 16,701 tons, 34.0 %
- Belts: 5,594 tons, 11.4 %
- Torpedo bulkhead: 836 tons, 1.7 %
- Armament: 3,788 tons, 7.7 %
- Armour Deck: 6,164 tons, 12.6 %
- Conning Towers: 318 tons, 0.6 %
Machinery: 5,320 tons, 10.8 %
Hull, fittings & equipment: 18,012 tons, 36.7 %
Fuel, ammunition & stores: 5,085 tons, 10.4 %
Miscellaneous weights: 530 tons, 1.1 %
- Hull above water: 172 tons
- On freeboard deck: 110 tons
- Above deck: 248 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
76,901 lbs / 34,882 Kg = 39.4 x 15.7 " / 400 mm shells or 12.8 torpedoes
Stability (Unstable if below 1.00): 1.13
Metacentric height 8.8 ft / 2.7 m
Roll period: 17.7 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.41
Seaboat quality (Average = 1.00): 1.01
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.580 / 0.585
Length to Beam Ratio: 6.53 : 1
'Natural speed' for length: 28.52 kts
Power going to wave formation at top speed: 52 %
Trim (Max stability = 0, Max steadiness = 100): 70
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 29.53 ft / 9.00 m, 24.61 ft / 7.50 m
- Forward deck: 30.00 %, 24.61 ft / 7.50 m, 21.33 ft / 6.50 m
- Aft deck: 35.00 %, 21.33 ft / 6.50 m, 21.33 ft / 6.50 m
- Quarter deck: 15.00 %, 21.33 ft / 6.50 m, 21.33 ft / 6.50 m
- Average freeboard: 22.87 ft / 6.97 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 83.2 %
- Above water (accommodation/working, high = better): 185.8 %
Waterplane Area: 72,814 Square feet or 6,765 Square metres
Displacement factor (Displacement / loading): 114 %
Structure weight / hull surface area: 209 lbs/sq ft or 1,022 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.99
- Longitudinal: 1.14
- Overall: 1.00
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
110t - Provision for 4x Armed Spotter Plane, 2 x Catapults
344t - 1918 FC
50t - NF Devices x 2
25t - LR Wireless
A competing design put forward notes that the fatal flaw in building a ship that is both fast and has the full armor and gun capability of the current 24kt Sublimis class, is that such a vessel needs to be over 250m, which is the maximum length of the large docks in Veracruz and Acapulco, as well as the drydock in Zealand. A more conservative design is therefore put forward, sacrificing the rear superfiring 400mm turret to get design efficiency.
Conqueror, Aztec Fully Armored Battlecruiser laid down 1928
Displacement:
38,357 t light; 40,199 t standard; 43,019 t normal; 45,274 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(815.45 ft / 803.81 ft) x 114.83 ft x (28.54 / 29.74 ft)
(248.55 m / 245.00 m) x 35.00 m x (8.70 / 9.07 m)
Armament:
6 - 15.75" / 400 mm 45.0 cal guns - 1,969.41lbs / 893.31kg shells, 120 per gun
Breech loading guns in turret on barbette mounts, 1928 Model
3 x 2-gun mounts on centreline ends, majority forward
1 raised mount - superfiring
16 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 250 per gun
Quick firing guns in deck and hoist mounts, 1928 Model
8 x Single mounts on sides, evenly spread
10 - 2.76" / 70.0 mm 50.0 cal guns - 11.08lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1928 Model
10 x Single mounts on sides, evenly spread
10 raised mounts
24 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,500 per gun
Anti-air guns in deck and hoist mounts, 1928 Model
8 x Twin mounts on side ends, evenly spread
4 x Single mounts on centreline, aft deck forward
4 raised mounts
Weight of broadside 13,084 lbs / 5,935 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 13.3" / 337 mm 522.47 ft / 159.25 m 16.40 ft / 5.00 m
Ends: 3.15" / 80 mm 281.30 ft / 85.74 m 16.40 ft / 5.00 m
Main Belt covers 100 % of normal length
Main Belt inclined -10.00 degrees (positive = in)
- Torpedo Bulkhead - Additional damage containing bulkheads:
1.57" / 40 mm 522.47 ft / 159.25 m 26.57 ft / 8.10 m
Beam between torpedo bulkheads 91.86 ft / 28.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 15.7" / 400 mm 8.66" / 220 mm 13.8" / 350 mm
2nd: 3.15" / 80 mm 1.57" / 40 mm 3.15" / 80 mm
3rd: - 0.98" / 25 mm -
4th: - 0.98" / 25 mm 0.79" / 20 mm
- Armoured deck - multiple decks:
For and Aft decks: 5.12" / 130 mm
Forecastle: 1.57" / 40 mm Quarter deck: 3.15" / 80 mm
- Conning towers: Forward 5.91" / 150 mm, Aft 5.91" / 150 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 155,729 shp / 116,174 Kw = 30.00 kts
Range 10,000nm at 14.00 kts
Bunker at max displacement = 5,075 tons
Complement:
1,493 - 1,941
Cost:
£12.419 million / $49.676 million
Distribution of weights at normal displacement:
Armament: 2,725 tons, 6.3 %
- Guns: 2,725 tons, 6.3 %
Armour: 15,085 tons, 35.1 %
- Belts: 5,435 tons, 12.6 %
- Torpedo bulkhead: 809 tons, 1.9 %
- Armament: 2,874 tons, 6.7 %
- Armour Deck: 5,654 tons, 13.1 %
- Conning Towers: 312 tons, 0.7 %
Machinery: 4,848 tons, 11.3 %
Hull, fittings & equipment: 15,102 tons, 35.1 %
Fuel, ammunition & stores: 4,661 tons, 10.8 %
Miscellaneous weights: 598 tons, 1.4 %
- Hull below water: 1 tons
- Hull above water: 237 tons
- On freeboard deck: 110 tons
- Above deck: 250 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
68,958 lbs / 31,279 Kg = 35.3 x 15.7 " / 400 mm shells or 11.3 torpedoes
Stability (Unstable if below 1.00): 1.16
Metacentric height 8.1 ft / 2.5 m
Roll period: 16.9 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.36
Seaboat quality (Average = 1.00): 1.04
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.572 / 0.577
Length to Beam Ratio: 7.00 : 1
'Natural speed' for length: 28.35 kts
Power going to wave formation at top speed: 52 %
Trim (Max stability = 0, Max steadiness = 100): 67
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 3.28 ft / 1.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 31.20 ft / 9.51 m, 25.52 ft / 7.78 m
- Forward deck: 30.00 %, 25.52 ft / 7.78 m, 19.85 ft / 6.05 m
- Aft deck: 35.00 %, 19.85 ft / 6.05 m, 19.85 ft / 6.05 m
- Quarter deck: 15.00 %, 19.85 ft / 6.05 m, 19.85 ft / 6.05 m
- Average freeboard: 22.29 ft / 6.79 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 80.4 %
- Above water (accommodation/working, high = better): 177.4 %
Waterplane Area: 65,728 Square feet or 6,106 Square metres
Displacement factor (Displacement / loading): 116 %
Structure weight / hull surface area: 190 lbs/sq ft or 926 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.99
- Longitudinal: 1.04
- Overall: 1.00
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
273t - 1918 Fire Control
50t - NF Devices x 2
25t - LR Radio
110t - 4 x Armed Floatplane w/2 Catapults
139t - Flag Quarters and Bridge Allowance
Belt Tapers in lower half from 350-300mm
Decks are a 100mm main with a 30mm Splinter
End Belts and End Decks are Monolithic
Another design put forward, though engineered more with the Pacific in mind, given only the Japanese are likely to build a ship more powerful in local waters on purpose, and this vessel could outrun basically any other Pacific Power's warships.
Conqueror, Aztec Battlecruiser laid down 1928
Displacement:
31,371 t light; 32,682 t standard; 35,161 t normal; 37,145 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(792.03 ft / 787.40 ft) x 104.99 ft x (27.07 / 28.27 ft)
(241.41 m / 240.00 m) x 32.00 m x (8.25 / 8.62 m)
Armament:
6 - 14.17" / 360 mm 45.0 cal guns - 1,435.70lbs / 651.22kg shells, 100 per gun
Breech loading guns in turret on barbette mounts, 1928 Model
2 x 3-gun mounts on centreline, forward evenly spread
1 raised mount
14 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 200 per gun
Quick firing guns in deck and hoist mounts, 1928 Model
6 x Twin mounts on sides, evenly spread
1 x Twin mount on centreline, aft deck centre
1 raised mount
6 - 2.76" / 70.0 mm 50.0 cal guns - 11.08lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1928 Model
6 x Single mounts on sides, evenly spread
6 raised mounts
16 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,000 per gun
Anti-air guns in deck and hoist mounts, 1928 Model
8 x Twin mounts on side ends, evenly spread
4 raised mounts - superfiring
Weight of broadside 9,688 lbs / 4,394 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 11.8" / 300 mm 551.18 ft / 168.00 m 16.40 ft / 5.00 m
Ends: 2.36" / 60 mm 236.19 ft / 71.99 m 16.40 ft / 5.00 m
Main Belt covers 108 % of normal length
Main Belt inclined -15.00 degrees (positive = in)
- Torpedo Bulkhead - Additional damage containing bulkheads:
1.57" / 40 mm 551.18 ft / 168.00 m 24.84 ft / 7.57 m
Beam between torpedo bulkheads 78.74 ft / 24.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 13.8" / 350 mm 5.91" / 150 mm 13.0" / 330 mm
2nd: 2.76" / 70 mm 1.38" / 35 mm 2.76" / 70 mm
4th: - - 0.98" / 25 mm
- Armoured deck - multiple decks:
For and Aft decks: 4.72" / 120 mm
Forecastle: 1.18" / 30 mm Quarter deck: 2.76" / 70 mm
- Conning towers: Forward 5.51" / 140 mm, Aft 5.51" / 140 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 135,865 shp / 101,355 Kw = 30.00 kts
Range 10,000nm at 14.00 kts
Bunker at max displacement = 4,463 tons
Complement:
1,283 - 1,669
Cost:
£9.945 million / $39.780 million
Distribution of weights at normal displacement:
Armament: 2,042 tons, 5.8 %
- Guns: 2,042 tons, 5.8 %
Armour: 12,193 tons, 34.7 %
- Belts: 4,813 tons, 13.7 %
- Torpedo bulkhead: 798 tons, 2.3 %
- Armament: 1,684 tons, 4.8 %
- Armour Deck: 4,643 tons, 13.2 %
- Conning Towers: 255 tons, 0.7 %
Machinery: 4,230 tons, 12.0 %
Hull, fittings & equipment: 12,566 tons, 35.7 %
Fuel, ammunition & stores: 3,791 tons, 10.8 %
Miscellaneous weights: 340 tons, 1.0 %
- Hull above water: 105 tons
- On freeboard deck: 85 tons
- Above deck: 150 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
56,092 lbs / 25,443 Kg = 39.4 x 14.2 " / 360 mm shells or 9.5 torpedoes
Stability (Unstable if below 1.00): 1.16
Metacentric height 7.1 ft / 2.2 m
Roll period: 16.6 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.37
Seaboat quality (Average = 1.00): 1.04
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.550 / 0.556
Length to Beam Ratio: 7.50 : 1
'Natural speed' for length: 28.06 kts
Power going to wave formation at top speed: 51 %
Trim (Max stability = 0, Max steadiness = 100): 67
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 18.00 %, 26.25 ft / 8.00 m, 22.97 ft / 7.00 m
- Forward deck: 32.00 %, 22.97 ft / 7.00 m, 18.04 ft / 5.50 m
- Aft deck: 38.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
- Quarter deck: 12.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
- Average freeboard: 19.95 ft / 6.08 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 85.0 %
- Above water (accommodation/working, high = better): 164.2 %
Waterplane Area: 57,692 Square feet or 5,360 Square metres
Displacement factor (Displacement / loading): 118 %
Structure weight / hull surface area: 177 lbs/sq ft or 866 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.99
- Longitudinal: 1.01
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
85t - Provision for 2x Spotter Plane, Catapults, and Crane
205t - 1918 FC
25t - NF Devices
25t - LR Wireless
With the Patronage of the Crown Prince towards the Royal Naval Air Service wing of the Royal Air Force, and advancements in carrier design, the Martinique class are considered good carriers, but with insufficient aircraft to provide the expected heavy force of defensive fighters AND a pair of strike squadrons. With this in mind, a larger carrier design is put forward to begin construction after the Martiniques. Other facilities are the addition of flag facilities suitable to operating a cruiser squadron, which the carriers are expected to operate as part of with the fleet screen.
Constellation, Aztec Aircraft Carrier laid down 1928
Displacement:
22,966 t light; 23,578 t standard; 25,603 t normal; 27,224 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(754.30 ft / 746.39 ft) x 85.30 ft x (25.59 / 42.18 ft)
(229.91 m / 227.50 m) x 26.00 m x (7.80 / 12.86 m)
Armament:
8 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 200 per gun
Quick firing guns in deck and hoist mounts, 1928 Model
2 x Twin mounts on sides, evenly spread
2 raised mounts
2 x Twin mounts on sides, evenly spread
2 double raised mounts
12 - 2.76" / 70.0 mm 50.0 cal guns - 11.08lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1928 Model
12 x Single mounts on sides, evenly spread
20 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,500 per gun
Anti-air guns in deck and hoist mounts, 1928 Model
10 x Twin mounts on sides, evenly spread
Weight of broadside 718 lbs / 326 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.15" / 80 mm 484.09 ft / 147.55 m 11.48 ft / 3.50 m
Ends: 1.97" / 50 mm 260.63 ft / 79.44 m 11.48 ft / 3.50 m
1.67 ft / 0.51 m Unarmoured ends
Main Belt covers 100 % of normal length
Main belt does not fully cover magazines and engineering spaces
- Torpedo Bulkhead - Additional damage containing bulkheads:
1.97" / 50 mm 484.09 ft / 147.55 m 23.49 ft / 7.16 m
Beam between torpedo bulkheads 65.62 ft / 20.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.36" / 60 mm 1.57" / 40 mm 2.36" / 60 mm
3rd: - - 0.98" / 25 mm
- Armoured deck - multiple decks:
For and Aft decks: 2.76" / 70 mm
Forecastle: 1.18" / 30 mm Quarter deck: 1.18" / 30 mm
- Conning towers: Forward 3.15" / 80 mm, Aft 0.00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 143,542 shp / 107,082 Kw = 32.00 kts
Range 10,000nm at 14.00 kts
Bunker at max displacement = 3,646 tons
Complement:
1,011 - 1,315
Cost:
£5.727 million / $22.910 million
Distribution of weights at normal displacement:
Armament: 173 tons, 0.7 %
- Guns: 173 tons, 0.7 %
Armour: 3,932 tons, 15.4 %
- Belts: 949 tons, 3.7 %
- Torpedo bulkhead: 828 tons, 3.2 %
- Armament: 55 tons, 0.2 %
- Armour Deck: 2,041 tons, 8.0 %
- Conning Tower: 59 tons, 0.2 %
Machinery: 4,469 tons, 17.5 %
Hull, fittings & equipment: 8,315 tons, 32.5 %
Fuel, ammunition & stores: 2,637 tons, 10.3 %
Miscellaneous weights: 6,078 tons, 23.7 %
- Hull below water: 2,950 tons
- Hull above water: 2,950 tons
- On freeboard deck: 50 tons
- Above deck: 128 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
43,195 lbs / 19,593 Kg = 644.4 x 5.1 " / 130 mm shells or 5.2 torpedoes
Stability (Unstable if below 1.00): 1.37
Metacentric height 6.8 ft / 2.1 m
Roll period: 13.7 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.08
Seaboat quality (Average = 1.00): 1.67
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.550 / 0.355
Length to Beam Ratio: 8.75 : 1
'Natural speed' for length: 27.32 kts
Power going to wave formation at top speed: 54 %
Trim (Max stability = 0, Max steadiness = 100): 42
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 29.53 ft / 9.00 m, 29.53 ft / 9.00 m
- Forward deck: 30.00 %, 29.53 ft / 9.00 m, 29.53 ft / 9.00 m
- Aft deck: 35.00 %, 29.53 ft / 9.00 m, 29.53 ft / 9.00 m
- Quarter deck: 15.00 %, 29.53 ft / 9.00 m, 29.53 ft / 9.00 m
- Average freeboard: 29.53 ft / 9.00 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 110.5 %
- Above water (accommodation/working, high = better): 247.2 %
Waterplane Area: 44,434 Square feet or 4,128 Square metres
Displacement factor (Displacement / loading): 130 %
Structure weight / hull surface area: 119 lbs/sq ft or 583 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.95
- Longitudinal: 1.52
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
18t - 1918 FC
25t - NF Devices
25t - LR Radio
10t - Additional SR Radio
50t - Flag Bridge
50t On Deck - Firefighting Equipment
100t - Above Water - Firefighting Equipment in Hangar
100t - Below Water - DC Pumps and Fire Pumps
5700t - 60 x Aircraft (Provision for heavier tech expansion)
A refreshed design for a fleet replenishment ship, an area the Sultanate feels it is behind in with only 5 fleet replenishment vessels. Given the size and potential thirst of ships, especially aircraft carrying ships, for fuel and stores, a sizeable fleet replenishment vessel is needed to supplement the venerable Sojourner and Whale classes of replenishment ship. Intention is to build these in a slow serial production with one being laid down each year starting in 1928.
Tuna-Class, Aztec Replenishment Ship laid down 1928
Displacement:
13,526 t light; 13,929 t standard; 17,048 t normal; 19,543 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(528.98 ft / 524.93 ft) x 72.18 ft x (19.69 / 22.31 ft)
(161.23 m / 160.00 m) x 22.00 m x (6.00 / 6.80 m)
Armament:
16 - 3.94" / 100 mm 50.0 cal guns - 32.30lbs / 14.65kg shells, 150 per gun
Quick firing guns in deck mounts, 1928 Model
8 x Twin mounts on sides, evenly spread
2 raised mounts
6 - 2.76" / 70.0 mm 50.0 cal guns - 11.08lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1928 Model
6 x Single mounts on sides, evenly spread
6 raised mounts
16 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,000 per gun
Anti-air guns in deck and hoist mounts, 1928 Model
8 x Twin mounts on side ends, evenly spread
Weight of broadside 597 lbs / 271 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Ends: Unarmoured
- Torpedo Bulkhead - Additional damage containing bulkheads:
0.31" / 8 mm 393.70 ft / 120.00 m 19.69 ft / 6.00 m
Beam between torpedo bulkheads 59.06 ft / 18.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.79" / 20 mm - -
3rd: - - 0.79" / 20 mm
- Conning towers: Forward 0.79" / 20 mm, Aft 0.00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 46,324 shp / 34,558 Kw = 24.00 kts
Range 14,000nm at 16.00 kts
Bunker at max displacement = 5,614 tons
Complement:
745 - 969
Cost:
£2.708 million / $10.833 million
Distribution of weights at normal displacement:
Armament: 106 tons, 0.6 %
- Guns: 106 tons, 0.6 %
Armour: 117 tons, 0.7 %
- Torpedo bulkhead: 90 tons, 0.5 %
- Armament: 15 tons, 0.1 %
- Conning Tower: 11 tons, 0.1 %
Machinery: 1,442 tons, 8.5 %
Hull, fittings & equipment: 3,940 tons, 23.1 %
Fuel, ammunition & stores: 3,522 tons, 20.7 %
Miscellaneous weights: 7,921 tons, 46.5 %
- Hull below water: 5,100 tons
- Hull above water: 2,500 tons
- On freeboard deck: 260 tons
- Above deck: 61 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
28,000 lbs / 12,701 Kg = 917.7 x 3.9 " / 100 mm shells or 3.3 torpedoes
Stability (Unstable if below 1.00): 1.74
Metacentric height 7.6 ft / 2.3 m
Roll period: 11.0 seconds
Steadiness - As gun platform (Average = 50 %): 61 %
- Recoil effect (Restricted arc if above 1.00): 0.02
Seaboat quality (Average = 1.00): 1.26
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.800 / 0.809
Length to Beam Ratio: 7.27 : 1
'Natural speed' for length: 22.91 kts
Power going to wave formation at top speed: 55 %
Trim (Max stability = 0, Max steadiness = 100): 48
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 22.97 ft / 7.00 m, 19.69 ft / 6.00 m
- Forward deck: 30.00 %, 19.69 ft / 6.00 m, 16.40 ft / 5.00 m
- Aft deck: 35.00 %, 16.40 ft / 5.00 m, 16.40 ft / 5.00 m
- Quarter deck: 15.00 %, 16.40 ft / 5.00 m, 16.40 ft / 5.00 m
- Average freeboard: 17.81 ft / 5.43 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 96.0 %
- Above water (accommodation/working, high = better): 146.2 %
Waterplane Area: 33,324 Square feet or 3,096 Square metres
Displacement factor (Displacement / loading): 152 %
Structure weight / hull surface area: 90 lbs/sq ft or 439 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.00
- Longitudinal: 1.02
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
Good seaboat, rides out heavy weather easily
11t - 1918 FC
25t - LR Wireless
25t - NF Devices
100t - 4 x Cranes
50t - Refueling Hoses
50t - Firefighting Hoses
60t - 2 x Catapult & Armed Floatplane
50t - Firefighting Pumps
50t - Refueling Pumps
500t - Workshops
1900t - Dry Goods Storage
5000t - Fuel Oil
100t - Damage Control Pumps
A civilian-construct vessel with strengthened frame, additional engines, and all of the panoply for salvage, repair, or long-range Tug.
Crab, Aztec Salvage Ship laid down 1927
Displacement:
790 t light; 816 t standard; 874 t normal; 920 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(164.04 ft / 164.04 ft) x 32.81 ft x (7.58 / 7.94 ft)
(50.00 m / 50.00 m) x 10.00 m x (2.31 / 2.42 m)
Armament:
2 - 2.76" / 70.0 mm 50.0 cal guns - 11.08lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1927 Model
2 x Single mounts on centreline, forward evenly spread
1 raised mount
10 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,000 per gun
Anti-air guns in deck mounts, 1927 Model
10 x Single mounts on sides, evenly spread
Weight of broadside 31 lbs / 14 kg
Machinery:
Diesel Internal combustion generators, plus diesel motors,
Electric motors, 2 shafts, 1,416 shp / 1,056 Kw = 14.00 kts
Range 4,000nm at 10.00 kts
Bunker at max displacement = 104 tons
Complement:
79 - 104
Cost:
£0.131 million / $0.523 million
Distribution of weights at normal displacement:
Armament: 8 tons, 0.9 %
- Guns: 8 tons, 0.9 %
Machinery: 45 tons, 5.1 %
Hull, fittings & equipment: 226 tons, 25.8 %
Fuel, ammunition & stores: 84 tons, 9.6 %
Miscellaneous weights: 512 tons, 58.6 %
- Hull below water: 174 tons
- Hull void weights: 4 tons
- Hull above water: 94 tons
- On freeboard deck: 210 tons
- Above deck: 30 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
2,335 lbs / 1,059 Kg = 223.1 x 2.8 " / 70 mm shells or 1.2 torpedoes
Stability (Unstable if below 1.00): 1.38
Metacentric height 1.6 ft / 0.5 m
Roll period: 10.7 seconds
Steadiness - As gun platform (Average = 50 %): 60 %
- Recoil effect (Restricted arc if above 1.00): 0.03
Seaboat quality (Average = 1.00): 1.34
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.750 / 0.754
Length to Beam Ratio: 5.00 : 1
'Natural speed' for length: 12.81 kts
Power going to wave formation at top speed: 59 %
Trim (Max stability = 0, Max steadiness = 100): 45
Bow angle (Positive = bow angles forward): 0.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 10.33 ft / 3.15 m, 10.33 ft / 3.15 m
- Forward deck: 30.00 %, 10.33 ft / 3.15 m, 9.84 ft / 3.00 m
- Aft deck: 35.00 %, 9.84 ft / 3.00 m, 9.84 ft / 3.00 m
- Quarter deck: 15.00 %, 9.84 ft / 3.00 m, 9.84 ft / 3.00 m
- Average freeboard: 10.01 ft / 3.05 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 54.0 %
- Above water (accommodation/working, high = better): 108.2 %
Waterplane Area: 4,508 Square feet or 419 Square metres
Displacement factor (Displacement / loading): 141 %
Structure weight / hull surface area: 37 lbs/sq ft or 181 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.90
- Longitudinal: 2.58
- Overall: 1.00
Excellent machinery, storage, compartmentation space
Adequate accommodation and workspace room
Good seaboat, rides out heavy weather easily
45t - Additional Engine Weight for Towing
27t - Diesel Engines
22t - Electric Drives
50t - Strengthened Frame and Bulkheads for Towing/Ice
30t - Firefighting/DC Pumps
9t - Dive Locker and Air Pumps
10t - Space for 5 Man Engineering/Dive Team
75t - Workshop
20t - Firefighting Hoses and Equipment
100t - Salvage/Dredging Crane (40t Crane w/ dredging bucket and hoisting attachments)
50t - Minesweeping Equipment
10t - Towing Bollards
30t - Towing Winch, cables, and equipment
1t - 1918 FC
25t - LR Wireless
4t - Work Lights
4t-Void-Crash Void for pushing Vessels or Ice
With the increase in diplomatic traffic with Europe, and the ever-present issues with the Mayans, commercial transit is ill suited to major diplomatic overtures, or most especially a state visit. With the lack of many large cruisers or capital ships equipped with full fleet HQ facilities due to the austerity measures after the Roman War to maximize construction volume at the cost of 'luxuries'.
To contend with the Mayan threat, it is equipped defensively with anti surface and a relatively large anti-aircraft battery that can be brought into action against smaller surface threats. Though when not on war footing, the 70mm AA guns, 3 per side in a cluster amidships, are faired over with painted steel fairings. The 30mm AA guns are stored in lockers, their pintle sockets on the deck the only evidence of their presence until needed. While an armed floatplane may not be carried, it is provided for completely, as are a pair of touring cars and motor launches.
Otherwise, the ship is very well appointed for Royal or diplomatic purposes, with a side purpose in wartime of functioning hospital facilities which can be expanded into wards encompassing the large conference and ball rooms. Spaces for up to twenty luxury guests, a hundred staff, and a royal suite are all provided for. Larger storage for dry goods as well as freezers and refrigeration for food, plus air conditioning for the ship are all provided for.
Equipped with the most modern of diesel-electric drives, the ship is capable of crossing even the entire Pacific at its cruising speed of 20kts, or indeed potentially unrefueled global circumnavigation at a much reduced cruise of 10kts. Full facilities for maintenance, as well as storage space for parts and enhanced damage control equipment round out the complement.
Sol, Aztec Royal Yacht laid down 1928
Displacement:
7,471 t light; 7,708 t standard; 9,213 t normal; 10,418 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(588.04 ft / 583.99 ft) x 59.06 ft x (16.40 / 18.12 ft)
(179.23 m / 178.00 m) x 18.00 m x (5.00 / 5.52 m)
Armament:
4 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 200 per gun
Quick firing guns in deck mounts, 1928 Model
4 x Single mounts on centreline ends, evenly spread
2 raised mounts - superfiring
6 - 2.76" / 70.0 mm 50.0 cal guns - 11.08lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1928 Model
6 x Single mounts on sides, evenly spread
12 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,500 per gun
Anti-air guns in deck mounts, 1928 Model
12 x Single mounts on side ends, evenly spread
8 - 0.47" / 12.0 mm 70.0 cal guns - 0.06lbs / 0.03kg shells, 2,500 per gun
Machine guns in deck mounts, 1928 Model
2 x Twin mounts on centreline, forward deck aft
2 raised mounts - superfiring
2 x Twin mounts on sides, aft deck aft
Weight of broadside 361 lbs / 164 kg
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.97" / 50 mm 1.18" / 30 mm -
- Box over magazines:
1.38" / 35 mm
- Conning towers: Forward 1.38" / 35 mm, Aft 0.00" / 0 mm
Machinery:
Diesel Internal combustion generators,
Electric motors, 4 shafts, 42,725 shp / 31,873 Kw = 27.00 kts
Range 6,000nm at 20.00 kts
Bunker at max displacement = 2,710 tons
Complement:
469 - 611
Cost:
£1.785 million / $7.142 million
Distribution of weights at normal displacement:
Armament: 74 tons, 0.8 %
- Guns: 74 tons, 0.8 %
Armour: 77 tons, 0.8 %
- Armament: 35 tons, 0.4 %
- Armour Deck: 28 tons, 0.3 %
- Conning Tower: 13 tons, 0.1 %
Machinery: 1,330 tons, 14.4 %
Hull, fittings & equipment: 2,916 tons, 31.7 %
Fuel, ammunition & stores: 1,742 tons, 18.9 %
Miscellaneous weights: 3,075 tons, 33.4 %
- Hull below water: 1,432 tons
- Hull above water: 1,100 tons
- On freeboard deck: 350 tons
- Above deck: 193 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
15,872 lbs / 7,199 Kg = 236.8 x 5.1 " / 130 mm shells or 2.0 torpedoes
Stability (Unstable if below 1.00): 1.33
Metacentric height 3.7 ft / 1.1 m
Roll period: 12.8 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.05
Seaboat quality (Average = 1.00): 1.52
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.570 / 0.583
Length to Beam Ratio: 9.89 : 1
'Natural speed' for length: 24.17 kts
Power going to wave formation at top speed: 49 %
Trim (Max stability = 0, Max steadiness = 100): 46
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 22.97 ft / 7.00 m, 19.69 ft / 6.00 m
- Forward deck: 30.00 %, 19.69 ft / 6.00 m, 18.04 ft / 5.50 m
- Aft deck: 40.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
- Quarter deck: 10.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
- Average freeboard: 18.88 ft / 5.76 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 79.8 %
- Above water (accommodation/working, high = better): 183.2 %
Waterplane Area: 24,524 Square feet or 2,278 Square metres
Displacement factor (Displacement / loading): 154 %
Structure weight / hull surface area: 81 lbs/sq ft or 393 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.99
- Longitudinal: 1.00
- Overall: 1.00
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
333t - Electric Drives
399t - Diesel Engines
100t - Additional Damage Control Equipment
150t - Additional Dry Goods Storage
100t - Air Conditioning
100t - Refrigerators and cold storage
50t - Expanded Galley
100t - Aviation and Vehicle Fuel, Parts, and POL storage
50t - Machine Shop
50t - Spare Parts Storage
400t - Grand Ballroom/Conference Room
200t - Space for 100 Personnel
100t - Additional Conference Rooms/double as hospital wards
50t - His Majesty's Quarters
200t - Space for 20 x VIPs
100t - Hospital/Dental Spaces
50t - His Majesty's Audience Chambers
30t - 1 x Armed Floatplane w/ Catapult off Quarterdeck
12t - Waterproof Ready Lockers to hold 30mm AA Guns and pintles when not in wartime operation
18t - Removable Fairings for 70mm AA guns when not in wartime operation
80t - 2 x 20t Motor Launch and Davits
20t - Crane Aft for Aircraft or offloading touring cars to dockside
100t - Stowage Hangar Aft for 2 x Touring Car
50t - On Deck Improvements for Royal Yacht Purposes (Awnings, fitments for various party accoutrements, etc)
40t - Additional Firefighting Equipment with Lockers
8t - 1918 FC
50t - LR Radio x 2 (1 for ship, 1 for Diplomatic Cables)
10t - Additional SR Radio for Diplomatic cables
25t - 1918 NF Devices
100t - Royal Bridge Deck
Range is 12,075nm @ 20kts
It certainly would set the gold standard for yachts.
I know we don't necessarily have the same naval laws as the real world, but the presence of a main battery might be problematic if the ship's wartime role is a hospital ship.
Well, the naval laws are sort of interesting. LHDs for instance have 600 bed hospitals in them, but they're not hospital ships. Since protecting the royal personage is considered more important than making the ship immune to taking fire by law, it's a sacrifice that is allowable. Plus, the Sultanate would have more than enough reason to believe that the Mayans wouldn't respect those conventions in the first place.
Quote from: The Rock Doctor on July 03, 2023, 06:50:04 PM
I know we don't necessarily have the same naval laws as the real world,
I believe the vague concept was that since we were keeping the broad arc of history intact,
the pre-1910 treaties involving major powers got signed by our major powers.
But yes, guns would compromise the non-combatant aspect, but Tac explains that.
Somewhat impressed with the range of 6000@20, but the fuel % is still under 20.
I was expecting that would be pushed much higher.
The
Royal Road is ~2200@22knts, but the changes in engine tech is rather large.
Gosh now I'm getting yacht envy. Maybe I should have refitted one of those old ACRs as
a yacht.
Quote from: Kaiser Kirk on July 03, 2023, 11:11:41 PM
Quote from: The Rock Doctor on July 03, 2023, 06:50:04 PM
I know we don't necessarily have the same naval laws as the real world,
I believe the vague concept was that since we were keeping the broad arc of history intact,
the pre-1910 treaties involving major powers got signed by our major powers.
But yes, guns would compromise the non-combatant aspect, but Tac explains that.
Somewhat impressed with the range of 6000@20, but the fuel % is still under 20.
I was expecting that would be pushed much higher.
The Royal Road is ~2200@22knts, but the changes in engine tech is rather large.
Gosh now I'm getting yacht envy. Maybe I should have refitted one of those old ACRs as
a yacht.
6000 at 20. However, when you add in the bonuses for it being a Diesel Electric drivetrain, it's over 12,000 at 20. Plus, considering its armament is only suited to driving off a DD or maybe a couple of torpedo boats, having the Diesel-Electric bonus of literally standby to flank power on tap at all times means she can accelerate VERY quickly to her top speed and then sustain that top speed for days.
I had thought about equipping her with 180s, but 4 or even 3 of them take her over the 2% threshold, and 2 of them would be insufficient to do more than signal surrender. Future plans are to replace all guns aboard with an anticipated 80mm DP gun in single or twin mounts.
And a final design for potential lay down in 1928. Currently the 'Razee' or 'heavy cruiser' fleet of the Sultanate consists of just a pair of Uhlan class, the Pair of Baja Class with their obsolete guns in need of replacement, and the trio of 'light battlecruisers' which are to some degree neither fish nor fowl. Those 11in gunned ships are devastating when they connect, but are also large and their rate of fire is noted as slower.
Thus a modernized Uhlan class, properly equipped with a quartet of fighter-spotters, a modernized AA suite, and even proper quarters for a squadron commander to make it a flagship of some battlegroups, is proposed. Additionally, there is a growing contingent within the Navy and the Army's own air arm that are claiming that the new air power will be dominant and render large battleships obsolete. While it is not an opinion shared by a majority, the experience of Ironclad Bay and the loss of the entire battle fleet in a single afternoon does linger as the promise of more numerous and faster light vessels were able to carry on the war and now have increasingly more firepower and protection.
Orizaba, Aztec Razee laid down 1928
Displacement:
17,864 t light; 18,681 t standard; 20,441 t normal; 21,849 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(655.84 ft / 650.92 ft) x 85.30 ft x (22.60 / 23.85 ft)
(199.90 m / 198.40 m) x 26.00 m x (6.89 / 7.27 m)
Armament:
9 - 9.45" / 240 mm 50.0 cal guns - 446.53lbs / 202.54kg shells, 120 per gun
Breech loading guns in turret on barbette mounts, 1928 Model
3 x 3-gun mounts on centreline ends, majority forward
1 raised mount - superfiring
14 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 200 per gun
Quick firing guns in deck and hoist mounts, 1928 Model
6 x Twin mounts on sides, evenly spread
1 x Twin mount on centreline, aft deck centre
1 raised mount
8 - 2.76" / 70.0 mm 50.0 cal guns - 11.08lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1928 Model
8 x Single mounts on centreline, evenly spread
8 raised mounts
20 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,500 per gun
Anti-air guns in deck and hoist mounts, 1928 Model
10 x Twin mounts on sides, evenly spread
Weight of broadside 5,118 lbs / 2,322 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 6.89" / 175 mm 423.10 ft / 128.96 m 13.12 ft / 4.00 m
Ends: 3.35" / 85 mm 227.79 ft / 69.43 m 11.48 ft / 3.50 m
Main Belt covers 100 % of normal length
- Torpedo Bulkhead - Additional damage containing bulkheads:
1.57" / 40 mm 423.10 ft / 128.96 m 20.73 ft / 6.32 m
Beam between torpedo bulkheads 72.18 ft / 22.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 7.09" / 180 mm 4.33" / 110 mm 6.69" / 170 mm
2nd: 1.97" / 50 mm 1.18" / 30 mm 1.97" / 50 mm
4th: 0.79" / 20 mm - 0.79" / 20 mm
- Armoured deck - multiple decks:
For and Aft decks: 3.15" / 80 mm
Forecastle: 1.38" / 35 mm Quarter deck: 1.57" / 40 mm
- Conning towers: Forward 4.33" / 110 mm, Aft 4.33" / 110 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 105,172 shp / 78,458 Kw = 30.00 kts
Range 10,000nm at 14.00 kts
Bunker at max displacement = 3,168 tons
Complement:
854 - 1,111
Cost:
£6.164 million / $24.657 million
Distribution of weights at normal displacement:
Armament: 1,507 tons, 7.4 %
- Guns: 1,507 tons, 7.4 %
Armour: 5,580 tons, 27.3 %
- Belts: 1,946 tons, 9.5 %
- Torpedo bulkhead: 511 tons, 2.5 %
- Armament: 893 tons, 4.4 %
- Armour Deck: 2,091 tons, 10.2 %
- Conning Towers: 140 tons, 0.7 %
Machinery: 3,274 tons, 16.0 %
Hull, fittings & equipment: 6,932 tons, 33.9 %
Fuel, ammunition & stores: 2,576 tons, 12.6 %
Miscellaneous weights: 570 tons, 2.8 %
- Hull below water: 50 tons
- Hull above water: 122 tons
- On freeboard deck: 232 tons
- Above deck: 166 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
29,748 lbs / 13,494 Kg = 70.5 x 9.4 " / 240 mm shells or 4.6 torpedoes
Stability (Unstable if below 1.00): 1.11
Metacentric height 4.8 ft / 1.5 m
Roll period: 16.4 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.45
Seaboat quality (Average = 1.00): 1.03
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.570 / 0.577
Length to Beam Ratio: 7.63 : 1
'Natural speed' for length: 25.51 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 68
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 27.89 ft / 8.50 m, 24.61 ft / 7.50 m
- Forward deck: 30.00 %, 24.61 ft / 7.50 m, 19.69 ft / 6.00 m
- Aft deck: 35.00 %, 19.69 ft / 6.00 m, 19.69 ft / 6.00 m
- Quarter deck: 15.00 %, 19.69 ft / 6.00 m, 19.69 ft / 6.00 m
- Average freeboard: 21.67 ft / 6.60 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 91.4 %
- Above water (accommodation/working, high = better): 183.4 %
Waterplane Area: 39,484 Square feet or 3,668 Square metres
Displacement factor (Displacement / loading): 115 %
Structure weight / hull surface area: 141 lbs/sq ft or 687 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.24
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
25t - LR Radio
25t - NF Devices (1918)
148t - 1918 FC
32t - 2 x 4 x 21in HW TT on sides Aft
10t - 2 x Catapult
100t - 4 x Armed Floatplane
100t - Hangar Provisions Amidships
50t - DC Pumps
50t - Squadron Flag Accommodations
40t - Squadron Flag Bridge
Main Deck is 60mm on top of belt w/ 20mm Splinter Deck at waterline
Alternatively, given the likely threat spectrum and the effectiveness of the higher rate of fire of the 180mm gun.....a Mk2 iteration of the Lake Class is also proposed, using tonnage saved from engineering improvements to yet further increase the secondary and AA batteries.
Lake-class, Aztec Frigate laid down 1928
Displacement:
13,142 t light; 13,777 t standard; 15,245 t normal; 16,419 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(654.68 ft / 646.33 ft) x 70.54 ft x (20.90 / 22.18 ft)
(199.55 m / 197.00 m) x 21.50 m x (6.37 / 6.76 m)
Armament:
12 - 7.09" / 180 mm 50.0 cal guns - 188.38lbs / 85.45kg shells, 200 per gun
Quick firing guns in turret on barbette mounts, 1928 Model
4 x Twin mounts on centreline ends, evenly spread
2 raised mounts - superfiring
16 - 3.94" / 100 mm 50.0 cal guns - 32.30lbs / 14.65kg shells, 200 per gun
Quick firing guns in deck mounts, 1928 Model
8 x Twin mounts on sides, evenly spread
6 - 2.76" / 70.0 mm 50.0 cal guns - 11.08lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1928 Model
6 x Single mounts on sides, evenly spread
4 raised mounts
20 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,000 per gun
Anti-air guns in deck and hoist mounts, 1928 Model
10 x Single mounts on sides, evenly spread
Weight of broadside 2,861 lbs / 1,298 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 4.72" / 120 mm 439.50 ft / 133.96 m 16.40 ft / 5.00 m
Ends: 2.36" / 60 mm 206.79 ft / 63.03 m 9.84 ft / 3.00 m
Main Belt covers 105 % of normal length
- Torpedo Bulkhead - Additional damage containing bulkheads:
1.57" / 40 mm 439.50 ft / 133.96 m 19.69 ft / 6.00 m
Beam between torpedo bulkheads 55.77 ft / 17.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 4.92" / 125 mm 3.15" / 80 mm 4.92" / 125 mm
2nd: 2.36" / 60 mm 1.38" / 35 mm -
4th: - - 0.79" / 20 mm
- Armoured deck - single deck:
For and Aft decks: 2.76" / 70 mm
Forecastle: 1.06" / 27 mm Quarter deck: 1.57" / 40 mm
- Conning towers: Forward 2.36" / 60 mm, Aft 2.36" / 60 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 90,928 shp / 67,832 Kw = 30.50 kts
Range 10,000nm at 14.00 kts
Bunker at max displacement = 2,643 tons
Complement:
685 - 891
Cost:
£4.303 million / $17.214 million
Distribution of weights at normal displacement:
Armament: 676 tons, 4.4 %
- Guns: 676 tons, 4.4 %
Armour: 4,273 tons, 28.0 %
- Belts: 1,583 tons, 10.4 %
- Torpedo bulkhead: 504 tons, 3.3 %
- Armament: 613 tons, 4.0 %
- Armour Deck: 1,511 tons, 9.9 %
- Conning Towers: 63 tons, 0.4 %
Machinery: 2,831 tons, 18.6 %
Hull, fittings & equipment: 5,102 tons, 33.5 %
Fuel, ammunition & stores: 2,102 tons, 13.8 %
Miscellaneous weights: 260 tons, 1.7 %
- Hull below water: 50 tons
- Hull above water: 34 tons
- On freeboard deck: 92 tons
- Above deck: 84 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
21,514 lbs / 9,758 Kg = 120.9 x 7.1 " / 180 mm shells or 3.4 torpedoes
Stability (Unstable if below 1.00): 1.11
Metacentric height 3.6 ft / 1.1 m
Roll period: 15.6 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.42
Seaboat quality (Average = 1.00): 1.05
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.560 / 0.568
Length to Beam Ratio: 9.16 : 1
'Natural speed' for length: 25.42 kts
Power going to wave formation at top speed: 54 %
Trim (Max stability = 0, Max steadiness = 100): 67
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 18.00 %, 22.97 ft / 7.00 m, 20.51 ft / 6.25 m
- Forward deck: 30.00 %, 20.51 ft / 6.25 m, 18.04 ft / 5.50 m
- Aft deck: 38.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
- Quarter deck: 14.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
- Average freeboard: 19.03 ft / 5.80 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 99.5 %
- Above water (accommodation/working, high = better): 166.0 %
Waterplane Area: 32,117 Square feet or 2,984 Square metres
Displacement factor (Displacement / loading): 119 %
Structure weight / hull surface area: 116 lbs/sq ft or 567 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.00
- Longitudinal: 0.99
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
32t - 2 x 4 x 21in HW TT on sides aft
60t - 2 x Catapult and 2 x Armed floatplane
25t - LR Wireless
25t - NF Devices
68t - 1918 FC
50t - Additional DC Pumps
I missed those June Battlewagons. Yet another in the 40k+ club and 30 knots. Not a fan of the 6 gun battlecruiser concept though, the BP cost of extending docks may be worth it.
I prefer the Razees to the Lakes.
I had similar design to the Lakes, but with 230mm guns, still didn't like it. The Lakes rely on twin turrets, in that unslightly Nelson trio, but on both ends, but are very expensive at 13000 tons, while still being fairly equally matched in armor and weapons to older and smaller cruisers. Weight of fire may lead to more hits and victory, or not, but for the cost, victory should be more certain.
The Razees are ~40% more expensive, but can clear cruisers as effectively as that BC, but far more economically.
Kirk, the lakes are like the British town class. 4x3.
I agree that the razees are better cruiser killers though.
Razee is a kind of pocket Battle Cruiser, more economical than a fast BB but very expensive vs 6000t & 8000t cruisers.
Lake is enough to defeat 6000t & 8000t cruisers.
Quote
Kirk, the lakes are like the British town class. 4x3.
Ahh I see the issue - you didn't change from twin to triple mounts.
So the number of mounts is correct but guns/mount wrong.
12 - 7.09" / 180 mm 50.0 cal guns - 188.38lbs / 85.45kg shells, 200 per gun
Quick firing guns in turret on barbette mounts, 1928 Model
4 x Twin mounts on centreline ends, evenly spread
2 raised mounts - superfiring
Quote from: Jefgte on July 20, 2023, 07:27:39 AM
Razee is a kind of pocket Battle Cruiser, more economical than a fast BB but very expensive vs 6000t & 8000t cruisers.
Lake is enough to defeat 6000t & 8000t cruisers.
Can Lake beat 2x6000t cruisers that can be built for the same resources?
Can 2x 13000t Lakes beat 3 x 8000t cruisers?
If two
Lakes took on three
Royal Nissean, I'd wager on my three cruisers.
BUT... if I sent 2
Royal Nissean against the Razee, I'd loose.
The next cruisers I'm looking at drop to 8 guns, trading for +2 knots or +armor,
but 3x8 = 24 guns... so I'd either have more & faster hulls, or more & better armored, and same # guns.
One thing to consider is the armor. Since Rome, but most especially since the Mayan War, I've really bumped up the armor stats. The Weapon Class that was a mainstay in the Mayan War had a 100mm belt. The Lakes have a 125mm belt, capable of fending off their own guns at battle ranges.
An alternate concept. Basically a Weapon-Class redone in 1928. So 8 x 180s, some 100s to help with anti-DD work, an updated AA Battery, and a spotter aircraft.
Lake-class, Aztec Frigate laid down 1928
Displacement:
9,000 t light; 9,438 t standard; 10,621 t normal; 11,567 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(630.82 ft / 623.36 ft) x 59.06 ft x (18.03 / 19.31 ft)
(192.27 m / 190.00 m) x 18.00 m x (5.50 / 5.89 m)
Armament:
8 - 7.09" / 180 mm 50.0 cal guns - 188.38lbs / 85.45kg shells, 200 per gun
Quick firing guns in deck and hoist mounts, 1928 Model
4 x Twin mounts on centreline ends, evenly spread
2 raised mounts - superfiring
12 - 3.94" / 100 mm 50.0 cal guns - 32.30lbs / 14.65kg shells, 200 per gun
Quick firing guns in deck mounts, 1928 Model
6 x Twin mounts on sides, evenly spread
4 - 2.76" / 70.0 mm 50.0 cal guns - 11.08lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1928 Model
4 x Single mounts on centreline, evenly spread
4 raised mounts
16 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,000 per gun
Anti-air guns in deck and hoist mounts, 1928 Model
8 x Single mounts on sides, evenly spread
Weight of broadside 1,953 lbs / 886 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 4.72" / 120 mm 423.88 ft / 129.20 m 11.48 ft / 3.50 m
Ends: 1.97" / 50 mm 199.44 ft / 60.79 m 9.84 ft / 3.00 m
Main Belt covers 105 % of normal length
- Torpedo Bulkhead - Additional damage containing bulkheads:
1.18" / 30 mm 423.88 ft / 129.20 m 16.73 ft / 5.10 m
Beam between torpedo bulkheads 49.21 ft / 15.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 4.92" / 125 mm 3.15" / 80 mm 4.92" / 125 mm
2nd: 2.36" / 60 mm 1.38" / 35 mm -
3rd: 0.79" / 20 mm - -
4th: 0.79" / 20 mm - 0.79" / 20 mm
- Armoured deck - single deck:
For and Aft decks: 2.36" / 60 mm
Forecastle: 1.06" / 27 mm Quarter deck: 1.57" / 40 mm
- Conning towers: Forward 3.54" / 90 mm, Aft 0.00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 67,832 shp / 50,603 Kw = 30.00 kts
Range 10,000nm at 14.00 kts
Bunker at max displacement = 2,129 tons
Complement:
523 - 680
Cost:
£3.031 million / $12.125 million
Distribution of weights at normal displacement:
Armament: 434 tons, 4.1 %
- Guns: 434 tons, 4.1 %
Armour: 2,682 tons, 25.3 %
- Belts: 1,078 tons, 10.2 %
- Torpedo bulkhead: 310 tons, 2.9 %
- Armament: 196 tons, 1.8 %
- Armour Deck: 1,061 tons, 10.0 %
- Conning Tower: 37 tons, 0.3 %
Machinery: 2,112 tons, 19.9 %
Hull, fittings & equipment: 3,553 tons, 33.5 %
Fuel, ammunition & stores: 1,621 tons, 15.3 %
Miscellaneous weights: 218 tons, 2.1 %
- Hull above water: 64 tons
- On freeboard deck: 82 tons
- Above deck: 72 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
13,594 lbs / 6,166 Kg = 76.4 x 7.1 " / 180 mm shells or 2.3 torpedoes
Stability (Unstable if below 1.00): 1.12
Metacentric height 2.8 ft / 0.9 m
Roll period: 14.8 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.51
Seaboat quality (Average = 1.00): 1.12
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.560 / 0.570
Length to Beam Ratio: 10.56 : 1
'Natural speed' for length: 24.97 kts
Power going to wave formation at top speed: 52 %
Trim (Max stability = 0, Max steadiness = 100): 62
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 18.00 %, 20.51 ft / 6.25 m, 20.51 ft / 6.25 m
- Forward deck: 30.00 %, 20.51 ft / 6.25 m, 16.40 ft / 5.00 m
- Aft deck: 38.00 %, 16.40 ft / 5.00 m, 16.40 ft / 5.00 m
- Quarter deck: 14.00 %, 16.40 ft / 5.00 m, 16.40 ft / 5.00 m
- Average freeboard: 17.76 ft / 5.41 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 99.0 %
- Above water (accommodation/working, high = better): 163.5 %
Waterplane Area: 25,933 Square feet or 2,409 Square metres
Displacement factor (Displacement / loading): 120 %
Structure weight / hull surface area: 96 lbs/sq ft or 470 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 0.88
- Overall: 0.90
Caution: Hull subject to strain in open-sea
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
32t - 2 x 4 x 21in HW TT on sides aft
30t - 1 x Armed Floatplane and Catapult Aft
25t - LR Wireless
25t - NF Devices
44t - 1918 FC
60t - Electric T&E For Main Battery
Good well balanced ship but...
I think that Overall must be 1.00 because your frigate is over 8000t.
I think you're right. Sigh.
After the minor fiasco that was the illegal design above.....
A reconfiguring. Ran Parallel Ballistics, and 110mm of armor will fend off her own 180s starting at around 10000m, which is the inside point of optimal combat range of 10-18km. So a slight thinning of armor is possible. Then some careful hull configuring and dropping her speed by a half knot to an even 30kts....and we have the lightest version of the 12 x 180 gun Lake Class I can have without sacrificing actual combat power or versatility.
Lake-class, Aztec Frigate laid down 1928
Displacement:
11,872 t light; 12,479 t standard; 13,866 t normal; 14,975 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(647.23 ft / 639.76 ft) x 70.54 ft x (19.91 / 21.16 ft)
(197.27 m / 195.00 m) x 21.50 m x (6.07 / 6.45 m)
Armament:
12 - 7.09" / 180 mm 50.0 cal guns - 188.39lbs / 85.45kg shells, 200 per gun
Quick firing guns in turret on barbette mounts, 1928 Model
4 x 3-gun mounts on centreline ends, evenly spread
2 raised mounts - superfiring
16 - 3.94" / 100 mm 50.0 cal guns - 32.30lbs / 14.65kg shells, 200 per gun
Quick firing guns in deck mounts, 1928 Model
8 x Twin mounts on sides, evenly spread
6 - 2.76" / 70.0 mm 50.0 cal guns - 11.09lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1928 Model
6 x Single mounts on sides, evenly spread
4 raised mounts
20 - 1.18" / 30.0 mm 50.0 cal guns - 0.86lbs / 0.39kg shells, 1,000 per gun
Anti-air guns in deck and hoist mounts, 1928 Model
10 x Single mounts on sides, evenly spread
Weight of broadside 2,861 lbs / 1,298 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 4.53" / 115 mm 439.50 ft / 133.96 m 13.12 ft / 4.00 m
Ends: 1.97" / 50 mm 206.79 ft / 63.03 m 9.84 ft / 3.00 m
Main Belt covers 106 % of normal length
- Torpedo Bulkhead - Additional damage containing bulkheads:
1.18" / 30 mm 439.50 ft / 133.96 m 19.69 ft / 6.00 m
Beam between torpedo bulkheads 55.77 ft / 17.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 5.12" / 130 mm 2.99" / 76 mm 4.53" / 115 mm
2nd: 2.36" / 60 mm 1.38" / 35 mm -
3rd: 0.98" / 25 mm - -
4th: 0.98" / 25 mm - 0.98" / 25 mm
- Armoured deck - single deck:
For and Aft decks: 2.36" / 60 mm
Forecastle: 1.06" / 27 mm Quarter deck: 1.38" / 35 mm
- Conning towers: Forward 3.15" / 80 mm, Aft 3.15" / 80 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 80,128 shp / 59,775 Kw = 30.00 kts
Range 10,000nm at 14.00 kts
Bunker at max displacement = 2,496 tons
Complement:
638 - 830
Cost:
£3.954 million / $15.816 million
Distribution of weights at normal displacement:
Armament: 818 tons, 5.9 %
- Guns: 818 tons, 5.9 %
Armour: 3,534 tons, 25.5 %
- Belts: 1,223 tons, 8.8 %
- Torpedo bulkhead: 378 tons, 2.7 %
- Armament: 588 tons, 4.2 %
- Armour Deck: 1,267 tons, 9.1 %
- Conning Towers: 78 tons, 0.6 %
Machinery: 2,495 tons, 18.0 %
Hull, fittings & equipment: 4,815 tons, 34.7 %
Fuel, ammunition & stores: 1,993 tons, 14.4 %
Miscellaneous weights: 210 tons, 1.5 %
- Hull above water: 34 tons
- On freeboard deck: 92 tons
- Above deck: 84 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
20,307 lbs / 9,211 Kg = 114.1 x 7.1 " / 180 mm shells or 3.3 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 3.5 ft / 1.1 m
Roll period: 15.7 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.46
Seaboat quality (Average = 1.00): 1.07
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.540 / 0.549
Length to Beam Ratio: 9.07 : 1
'Natural speed' for length: 25.29 kts
Power going to wave formation at top speed: 53 %
Trim (Max stability = 0, Max steadiness = 100): 65
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 18.00 %, 20.51 ft / 6.25 m, 20.51 ft / 6.25 m
- Forward deck: 30.00 %, 20.51 ft / 6.25 m, 18.04 ft / 5.50 m
- Aft deck: 38.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
- Quarter deck: 14.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
- Average freeboard: 18.86 ft / 5.75 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 98.9 %
- Above water (accommodation/working, high = better): 173.1 %
Waterplane Area: 31,201 Square feet or 2,899 Square metres
Displacement factor (Displacement / loading): 123 %
Structure weight / hull surface area: 117 lbs/sq ft or 573 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.99
- Longitudinal: 1.00
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
32t - 2 x 4 x 21in HW TT on sides aft
60t - 2 x Catapult and 2 x Armed floatplane
25t - LR Wireless
25t - NF Devices
68t - 1918 FC
And since there was talk about a 240mm cruiser instead:
Uhlan, Aztec Razee laid down 1928
Displacement:
16,068 t light; 16,846 t standard; 18,517 t normal; 19,853 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(655.84 ft / 650.92 ft) x 85.30 ft x (20.67 / 21.86 ft)
(199.90 m / 198.40 m) x 26.00 m x (6.30 / 6.66 m)
Armament:
9 - 9.45" / 240 mm 50.0 cal guns - 446.53lbs / 202.54kg shells, 120 per gun
Breech loading guns in turret on barbette mounts, 1928 Model
3 x 3-gun mounts on centreline ends, majority forward
1 raised mount - superfiring
14 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 200 per gun
Quick firing guns in deck and hoist mounts, 1928 Model
6 x Twin mounts on sides, evenly spread
1 x Twin mount on centreline, aft deck centre
1 raised mount
8 - 2.76" / 70.0 mm 50.0 cal guns - 11.08lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1928 Model
8 x Single mounts on centreline, evenly spread
4 raised mounts
20 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,500 per gun
Anti-air guns in deck and hoist mounts, 1928 Model
10 x Twin mounts on sides, evenly spread
Weight of broadside 5,118 lbs / 2,322 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 5.00" / 127 mm 423.10 ft / 128.96 m 13.12 ft / 4.00 m
Ends: 3.35" / 85 mm 227.79 ft / 69.43 m 9.84 ft / 3.00 m
Main Belt covers 100 % of normal length
- Torpedo Bulkhead - Additional damage containing bulkheads:
1.18" / 30 mm 423.10 ft / 128.96 m 20.73 ft / 6.32 m
Beam between torpedo bulkheads 72.18 ft / 22.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 5.91" / 150 mm 3.94" / 100 mm 5.00" / 127 mm
2nd: 1.97" / 50 mm 1.18" / 30 mm 1.97" / 50 mm
4th: 0.79" / 20 mm - 0.79" / 20 mm
- Armoured deck - multiple decks:
For and Aft decks: 2.56" / 65 mm
Forecastle: 1.38" / 35 mm Quarter deck: 1.57" / 40 mm
- Conning towers: Forward 4.33" / 110 mm, Aft 4.33" / 110 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 99,176 shp / 73,986 Kw = 30.00 kts
Range 10,000nm at 14.00 kts
Bunker at max displacement = 3,008 tons
Complement:
793 - 1,031
Cost:
£5.824 million / $23.298 million
Distribution of weights at normal displacement:
Armament: 1,507 tons, 8.1 %
- Guns: 1,507 tons, 8.1 %
Armour: 4,421 tons, 23.9 %
- Belts: 1,457 tons, 7.9 %
- Torpedo bulkhead: 383 tons, 2.1 %
- Armament: 722 tons, 3.9 %
- Armour Deck: 1,728 tons, 9.3 %
- Conning Towers: 131 tons, 0.7 %
Machinery: 3,088 tons, 16.7 %
Hull, fittings & equipment: 6,761 tons, 36.5 %
Fuel, ammunition & stores: 2,449 tons, 13.2 %
Miscellaneous weights: 291 tons, 1.6 %
- Hull above water: 71 tons
- On freeboard deck: 92 tons
- Above deck: 128 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
27,200 lbs / 12,338 Kg = 64.5 x 9.4 " / 240 mm shells or 4.1 torpedoes
Stability (Unstable if below 1.00): 1.13
Metacentric height 4.9 ft / 1.5 m
Roll period: 16.1 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.46
Seaboat quality (Average = 1.00): 1.02
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.565 / 0.572
Length to Beam Ratio: 7.63 : 1
'Natural speed' for length: 25.51 kts
Power going to wave formation at top speed: 55 %
Trim (Max stability = 0, Max steadiness = 100): 69
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 27.89 ft / 8.50 m, 24.61 ft / 7.50 m
- Forward deck: 30.00 %, 24.61 ft / 7.50 m, 19.69 ft / 6.00 m
- Aft deck: 35.00 %, 19.69 ft / 6.00 m, 19.69 ft / 6.00 m
- Quarter deck: 15.00 %, 19.69 ft / 6.00 m, 19.69 ft / 6.00 m
- Average freeboard: 21.67 ft / 6.60 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 96.1 %
- Above water (accommodation/working, high = better): 196.5 %
Waterplane Area: 39,288 Square feet or 3,650 Square metres
Displacement factor (Displacement / loading): 116 %
Structure weight / hull surface area: 141 lbs/sq ft or 686 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.22
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
25t - LR Radio
25t - NF Devices (1918)
149t - 1918 FC
32t - 2x4x21in HW TT on sides Aft
60t - 2 x Catapult and Armed Floatplane Aft
My thoughts are that the 240 cruiser is powerful, a definite cruiser killer in a daytime engagement. However, the armor is only proof against 180mm guns at nighttime battle ranges, and then only at longer battle ranges. The 180s also have double the effective rate of fire (comparing historical British 7.5in and 9.2in guns 3 and 6 RPM respectively). Finally, while the 180 is an amazing DD killing weapon in a screen fight, the 240 is a bit too cumbersome to be truly effective against DDs. So this cruiser has to be equipped with a more powerful anti-DD armament since the main battery can't pull double duty.
And finally, in all the furor over ships, it is put forward that if the Sultanate needs to shift to large fast battleships, why do half measures. The Acapulco drydock has been expanded to 300m, so a series of single-ship classes can be built. Rather than have a BB that's generally capable, this one would need to be a self-sufficient monster, capable of absorbing incredible punishment and dishing the same out. There's no way the Sultanate can build more than one at a time and maintain its other production needs, so a shift away from battle-line tactics would also be required.....something that is a bit of a fight betwixt the hidebound battleship admirals and the newly promoted admirals who were junior officers during Ironclad Bay and remember how quickly the battleline was rendered impotent. To them speed and individual ship capability is more important, able to operate in smaller and more flexible formations at higher speeds.
Conqueror, Aztec Fast Battleship laid down 1928
Displacement:
47,591 t light; 49,814 t standard; 53,056 t normal; 55,649 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(865.51 ft / 853.02 ft) x 121.39 ft x (29.89 / 31.09 ft)
(263.81 m / 260.00 m) x 37.00 m x (9.11 / 9.48 m)
Armament:
8 - 15.75" / 400 mm 45.0 cal guns - 1,969.41lbs / 893.31kg shells, 110 per gun
Breech loading guns in turret on barbette mounts, 1928 Model
4 x 2-gun mounts on centreline ends, evenly spread
2 raised mounts - superfiring
20 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 200 per gun
Quick firing guns in deck and hoist mounts, 1928 Model
10 x Twin mounts on sides, evenly spread
4 raised mounts
10 - 2.76" / 70.0 mm 50.0 cal guns - 11.08lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1928 Model
10 x Single mounts on sides, evenly spread
6 raised mounts
32 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,500 per gun
Anti-air guns in deck and hoist mounts, 1928 Model
16 x Twin mounts on sides, evenly spread
Weight of broadside 17,313 lbs / 7,853 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 14.2" / 360 mm 554.46 ft / 169.00 m 16.40 ft / 5.00 m
Ends: 3.15" / 80 mm 298.52 ft / 90.99 m 11.48 ft / 3.50 m
Main Belt covers 100 % of normal length
Main Belt inclined -10.00 degrees (positive = in)
- Torpedo Bulkhead - Additional damage containing bulkheads:
1.18" / 30 mm 554.46 ft / 169.00 m 28.28 ft / 8.62 m
Beam between torpedo bulkheads 85.30 ft / 26.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 15.7" / 400 mm 9.84" / 250 mm 14.2" / 360 mm
2nd: 3.15" / 80 mm 1.97" / 50 mm 2.76" / 70 mm
3rd: 0.79" / 20 mm - -
4th: 0.79" / 20 mm - 0.79" / 20 mm
- Armoured deck - multiple decks:
For and Aft decks: 5.91" / 150 mm
Forecastle: 1.57" / 40 mm Quarter deck: 3.15" / 80 mm
- Conning towers: Forward 5.91" / 150 mm, Aft 5.91" / 150 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 175,758 shp / 131,115 Kw = 30.00 kts
Range 10,000nm at 14.00 kts
Bunker at max displacement = 5,834 tons
Complement:
1,747 - 2,272
Cost:
£15.507 million / $62.029 million
Distribution of weights at normal displacement:
Armament: 3,512 tons, 6.6 %
- Guns: 3,512 tons, 6.6 %
Armour: 18,448 tons, 34.8 %
- Belts: 5,957 tons, 11.2 %
- Torpedo bulkhead: 685 tons, 1.3 %
- Armament: 4,028 tons, 7.6 %
- Armour Deck: 7,418 tons, 14.0 %
- Conning Towers: 359 tons, 0.7 %
Machinery: 5,472 tons, 10.3 %
Hull, fittings & equipment: 19,275 tons, 36.3 %
Fuel, ammunition & stores: 5,465 tons, 10.3 %
Miscellaneous weights: 885 tons, 1.7 %
- Hull below water: 100 tons
- Hull above water: 375 tons
- On freeboard deck: 110 tons
- Above deck: 300 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
84,834 lbs / 38,480 Kg = 43.4 x 15.7 " / 400 mm shells or 13.2 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 8.0 ft / 2.5 m
Roll period: 18.0 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.46
Seaboat quality (Average = 1.00): 1.03
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.600 / 0.605
Length to Beam Ratio: 7.03 : 1
'Natural speed' for length: 29.21 kts
Power going to wave formation at top speed: 51 %
Trim (Max stability = 0, Max steadiness = 100): 68
Bow angle (Positive = bow angles forward): 12.00 degrees
Stern overhang: 6.56 ft / 2.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 27.89 ft / 8.50 m, 26.25 ft / 8.00 m
- Forward deck: 30.00 %, 26.25 ft / 8.00 m, 22.97 ft / 7.00 m
- Aft deck: 35.00 %, 22.97 ft / 7.00 m, 19.69 ft / 6.00 m
- Quarter deck: 15.00 %, 19.69 ft / 6.00 m, 19.69 ft / 6.00 m
- Average freeboard: 23.18 ft / 7.07 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 90.0 %
- Above water (accommodation/working, high = better): 188.6 %
Waterplane Area: 75,734 Square feet or 7,036 Square metres
Displacement factor (Displacement / loading): 116 %
Structure weight / hull surface area: 212 lbs/sq ft or 1,033 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.02
- Longitudinal: 0.99
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
100t - Additional Portable Pumps
100t - Additional DC Equipment
100t - Flag Accommodations
110t - 4 x Armed Floatplane and 2 x Catapult Aft
25t - LR Radio
10t - Additional SR Radio
50t - NF Devices x 2
350t - FC 1918
40t - Flag Bridge
Forecastle and Quarterdecks Monolithic. Main deck 120mm with a 30mm Splinter Deck
Nice.
Pricey, but nice.
I wanted to get it around 45,000t. But kept running into stability issues. I just could not get the hullform right at that tonnage to get the 1.1 stability I want on a BB. I'd have been satisfied with 1.04 on a BC. Though ultimately the wide and shallow works better in the Caribbean, this BB is less likely to shoal than most capital ships half her size from nations that run deeper drafts.
It's an issue I've not paid as much attention to as perhaps I should. I've got some pretty deep-draft critters in the water these days.
It's just been how it's wound up working for me. I can't say that I like it. I probably need to run deeper draft. But the shallower draft tends to be more stable for the tonnage.
For something Completely Different:
There is a lot of infighting within the Royal Navy, mostly between the 'Battle Line' proponents and the 'Fast Task Force' Proponents. While the Battle Line has always held sway, numerous papers, speeches, and analysis show that for the Royal Navy, it has been its Fast Task Forces that have done the most. In the Caicos War, the Battle Line sortied forth only to be annihilated in a fight with the larger Roman Line. That is a situation that has not changed, with all of the European Powers save maybe Iberia having a far superior battle line in numbers and capability. In the Mayan War, Mayan Airpower was a major factor on land and at sea, and in the engagements at sea it was fast cruisers with solid armor and heavy armament that did the real work, not the battle line which was not able to come to grips with the Mayans on good battle line terms. And so, in addition to the various large designs being put forth by the Admiralty, proponents of a lighter and faster force, focused around airpower and cruisers, put forth their own design, primarily made as a heavy escort with an main battery that can all fire in the forward arc to ensure solid pursuit performance against enemy cruisers.....with on paper the firepower to contest a running fight against a battleship, though a lot of proponents of this design say that a third main turret should be added.
Conqueror, Aztec Battlecruiser laid down 1928
Displacement:
34,305 t light; 35,702 t standard; 38,315 t normal; 40,405 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(820.68 ft / 813.65 ft) x 104.99 ft x (28.54 / 29.77 ft)
(250.14 m / 248.00 m) x 32.00 m x (8.70 / 9.07 m)
Armament:
6 - 14.17" / 360 mm 45.0 cal guns - 1,435.70lbs / 651.22kg shells, 100 per gun
Breech loading guns in turret on barbette mounts, 1928 Model
2 x 3-gun mounts on centreline, forward evenly spread
1 raised mount
16 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 200 per gun
Quick firing guns in deck and hoist mounts, 1928 Model
6 x Twin mounts on sides, evenly spread
2 x Twin mounts on centreline, aft evenly spread
1 raised mount
8 - 2.76" / 70.0 mm 50.0 cal guns - 11.08lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1928 Model
8 x Single mounts on sides, evenly spread
6 raised mounts
24 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,000 per gun
Anti-air guns in deck and hoist mounts, 1928 Model
12 x Twin mounts on side ends, evenly spread
4 raised mounts - superfiring
Weight of broadside 9,859 lbs / 4,472 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 12.2" / 310 mm 528.87 ft / 161.20 m 14.76 ft / 4.50 m
Ends: 2.76" / 70 mm 284.74 ft / 86.79 m 11.48 ft / 3.50 m
Main Belt covers 100 % of normal length
- Torpedo Bulkhead - Additional damage containing bulkheads:
1.57" / 40 mm 528.87 ft / 161.20 m 27.10 ft / 8.26 m
Beam between torpedo bulkheads 88.58 ft / 27.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 13.8" / 350 mm 5.91" / 150 mm 13.0" / 330 mm
2nd: 2.76" / 70 mm 1.38" / 35 mm 2.76" / 70 mm
4th: - - 0.98" / 25 mm
- Armoured deck - multiple decks:
For and Aft decks: 4.92" / 125 mm
Forecastle: 1.18" / 30 mm Quarter deck: 2.76" / 70 mm
- Conning towers: Forward 5.91" / 150 mm, Aft 5.91" / 150 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 181,482 shp / 135,385 Kw = 32.00 kts
Range 10,000nm at 14.00 kts
Bunker at max displacement = 4,703 tons
Complement:
1,369 - 1,780
Cost:
£11.163 million / $44.652 million
Distribution of weights at normal displacement:
Armament: 2,084 tons, 5.4 %
- Guns: 2,084 tons, 5.4 %
Armour: 12,180 tons, 31.8 %
- Belts: 4,369 tons, 11.4 %
- Torpedo bulkhead: 835 tons, 2.2 %
- Armament: 1,818 tons, 4.7 %
- Armour Deck: 4,868 tons, 12.7 %
- Conning Towers: 289 tons, 0.8 %
Machinery: 5,650 tons, 14.7 %
Hull, fittings & equipment: 13,833 tons, 36.1 %
Fuel, ammunition & stores: 4,010 tons, 10.5 %
Miscellaneous weights: 558 tons, 1.5 %
- Hull below water: 40 tons
- Hull above water: 207 tons
- On freeboard deck: 110 tons
- Above deck: 201 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
57,314 lbs / 25,997 Kg = 40.3 x 14.2 " / 360 mm shells or 8.5 torpedoes
Stability (Unstable if below 1.00): 1.13
Metacentric height 6.7 ft / 2.1 m
Roll period: 17.0 seconds
Steadiness - As gun platform (Average = 50 %): 72 %
- Recoil effect (Restricted arc if above 1.00): 0.44
Seaboat quality (Average = 1.00): 1.09
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.550 / 0.556
Length to Beam Ratio: 7.75 : 1
'Natural speed' for length: 28.52 kts
Power going to wave formation at top speed: 53 %
Trim (Max stability = 0, Max steadiness = 100): 66
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 26.25 ft / 8.00 m, 22.97 ft / 7.00 m
- Forward deck: 30.00 %, 22.97 ft / 7.00 m, 22.97 ft / 7.00 m
- Aft deck: 35.00 %, 22.97 ft / 7.00 m, 22.97 ft / 7.00 m
- Quarter deck: 15.00 %, 22.97 ft / 7.00 m, 22.97 ft / 7.00 m
- Average freeboard: 23.23 ft / 7.08 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 84.6 %
- Above water (accommodation/working, high = better): 190.5 %
Waterplane Area: 59,615 Square feet or 5,538 Square metres
Displacement factor (Displacement / loading): 116 %
Structure weight / hull surface area: 180 lbs/sq ft or 881 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.98
- Longitudinal: 1.16
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
110t - Provision for 4x Armed Spotter Plane, Catapults Aft
208t - 1918 FC
25t - NF Devices
25t - LR Wireless
50t - Flag Bridge
100t - Flag Accommodations
40t - Additional DC Pumps
And the 9 x 360 variation
Conqueror, Aztec Battlecruiser laid down 1928
Displacement:
38,474 t light; 40,204 t standard; 43,009 t normal; 45,254 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(842.77 ft / 836.61 ft) x 108.27 ft x (30.22 / 31.46 ft)
(256.88 m / 255.00 m) x 33.00 m x (9.21 / 9.59 m)
Armament:
9 - 14.17" / 360 mm 45.0 cal guns - 1,435.70lbs / 651.22kg shells, 100 per gun
Breech loading guns in turret on barbette mounts, 1928 Model
3 x 3-gun mounts on centreline, forward evenly spread
1 raised mount
16 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 200 per gun
Quick firing guns in deck and hoist mounts, 1928 Model
6 x Twin mounts on sides, evenly spread
2 x Twin mounts on centreline, aft evenly spread
1 raised mount
8 - 2.76" / 70.0 mm 50.0 cal guns - 11.08lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1928 Model
8 x Single mounts on sides, evenly spread
6 raised mounts
24 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,000 per gun
Anti-air guns in deck and hoist mounts, 1928 Model
12 x Twin mounts on side ends, evenly spread
4 raised mounts - superfiring
Weight of broadside 14,166 lbs / 6,426 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 12.2" / 310 mm 543.80 ft / 165.75 m 14.76 ft / 4.50 m
Ends: 2.76" / 70 mm 292.78 ft / 89.24 m 12.30 ft / 3.75 m
Main Belt covers 100 % of normal length
- Torpedo Bulkhead - Additional damage containing bulkheads:
1.57" / 40 mm 543.80 ft / 165.75 m 28.31 ft / 8.63 m
Beam between torpedo bulkheads 88.58 ft / 27.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 13.8" / 350 mm 5.91" / 150 mm 13.0" / 330 mm
2nd: 2.76" / 70 mm 1.38" / 35 mm 2.76" / 70 mm
4th: - - 0.98" / 25 mm
- Armoured deck - multiple decks:
For and Aft decks: 4.92" / 125 mm
Forecastle: 1.18" / 30 mm Quarter deck: 2.76" / 70 mm
- Conning towers: Forward 5.91" / 150 mm, Aft 5.91" / 150 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 192,678 shp / 143,738 Kw = 32.00 kts
Range 10,000nm at 14.00 kts
Bunker at max displacement = 5,049 tons
Complement:
1,493 - 1,941
Cost:
£13.440 million / $53.760 million
Distribution of weights at normal displacement:
Armament: 2,976 tons, 6.9 %
- Guns: 2,976 tons, 6.9 %
Armour: 13,465 tons, 31.3 %
- Belts: 4,518 tons, 10.5 %
- Torpedo bulkhead: 897 tons, 2.1 %
- Armament: 2,575 tons, 6.0 %
- Armour Deck: 5,162 tons, 12.0 %
- Conning Towers: 312 tons, 0.7 %
Machinery: 5,999 tons, 13.9 %
Hull, fittings & equipment: 15,384 tons, 35.8 %
Fuel, ammunition & stores: 4,536 tons, 10.5 %
Miscellaneous weights: 650 tons, 1.5 %
- Hull below water: 40 tons
- Hull above water: 250 tons
- On freeboard deck: 110 tons
- Above deck: 250 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
59,114 lbs / 26,814 Kg = 41.5 x 14.2 " / 360 mm shells or 8.5 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 6.7 ft / 2.1 m
Roll period: 17.5 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.54
Seaboat quality (Average = 1.00): 1.06
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.550 / 0.556
Length to Beam Ratio: 7.73 : 1
'Natural speed' for length: 28.92 kts
Power going to wave formation at top speed: 52 %
Trim (Max stability = 0, Max steadiness = 100): 66
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 22.97 ft / 7.00 m, 22.97 ft / 7.00 m
- Forward deck: 30.00 %, 22.97 ft / 7.00 m, 22.97 ft / 7.00 m
- Aft deck: 35.00 %, 22.97 ft / 7.00 m, 22.97 ft / 7.00 m
- Quarter deck: 15.00 %, 22.97 ft / 7.00 m, 22.97 ft / 7.00 m
- Average freeboard: 22.97 ft / 7.00 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 91.2 %
- Above water (accommodation/working, high = better): 185.2 %
Waterplane Area: 63,214 Square feet or 5,873 Square metres
Displacement factor (Displacement / loading): 111 %
Structure weight / hull surface area: 193 lbs/sq ft or 943 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.98
- Longitudinal: 1.13
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
110t - Provision for 4x Armed Spotter Plane, Catapults Aft
300t - 1918 FC
25t - NF Devices
25t - LR Wireless
50t - Flag Bridge
100t - Flag Accommodations
40t - Additional DC Pumps
It is a lot of tonnage for cruiser swatting. But it's not a cruiser-swatting tool. Primarily it's a capital ship capable of running with the Razees and Battlecruisers I already have....but equipped with guns that can threaten modern capital vessels. Think of it as a flagship for a fast TF or an escort for more vulnerable ships that have tools to destroy fleets, like carriers.
I'm trying to look at options for how the RAN falls in camps vis a vis carriers vs battleships. And in the RAN, experience has really shown the battleship (from our perspective) to be too expensive, too few in number, and ultimately ineffective for the investment. Carriers are unproven but aircraft vs ship is being heavily tested, and even proven in combat to a degree off Martinique. There is a fast growing segment of the fleet, the cruiser and destroyer side, the 'fast admirals'.....that are rapidly becoming converts to the potential of the Fast Task Force model....which could tip the scales to even things out for the RAN against any potential rival, including European ones.
On the ship, I've evidenced that I don't care for the armor/gun/speed choices...but other folks don't necessarily agree with mine.
I will note that CON hits and loss of FC has recurred repeatedly, though I'm unsure how
many Aztec ships...but you've been in several fights now...so dropping CON armor to 150mm
seems a bit curious. I know the british logic on it, but doesn't seem supported.
Torn on the belt. I kinda view 310 as weak, but it should handle Roman 340 at range,
but won't be enough against the Roman 410. I guess the question is which you expect
in the future. The advantages of weaker belt armor is angle of attack really modifies it,
far more than what you can do about other variables.
I have not had time to figure out the proper penetration numbers to put in Logi's ballistics tool
for the 1920 improved or 1925 advanced capped shells for these specific guns, but I can look at Navweaps
for a general idea.
I'd think you'd want to 'pay' the extra to keep the bow dry ensure full speed in all weather.
You're paying a huge amount of tonnage for 32 knots, be nice to have it always available.
If you can bring down the beam between bulkheads without having to extend the belt, that would be nice,
3m of TDS depth with a simple 40m bulkhead seems a bit shallow.
I'd squawk that the 30mm AA seems excessive, but I don't think it is.
Real Life AA development was choked by treaties and the danger of planes was mostly theoretical. You've had strong evidence
that they can be a real pain in the rear. They didn't stop the mayan warships, but they did sting them. For a fast ship, that's even
more problematic. As best as I can tell, underwater damage has a large speed impact, which seems related to keeping speed below the point where interior bulkheads collapse. That seems curiously to be under 20knots in most cases- coincidentally the max speed for underwater torpedo tubes without water ingress issues.
Anyhow I've followed your posted development logic on the 30mm....I will observe that prior to metal monoplanes, fusing will be the problem as doped fabric doesn't tend to set it off, part of why the US 28mm was problematic.
As for naval tactical evolution....
It's always interesting how different folks look at these things.
During Caicos, the Romans had the big fast heavies...which did precious little.
Ultimately, they came down to a knife fight.
At Veracruz, the slow compact fleet was able to bludgeon it's way forward.
Both instances are stilted by the relative force sizes.
Then off Martinique, the battleline - with minimal AA- took light but important damage from air attack.
That was one of the hallmarks of that conflict - many of the vessels lacked much AA- in many cases any.
I may erred in allowing too many attacks by the air wing, but I really don't have a good guide for how many munitions they carried. I know carriers were good for about 5 full sorties.
I will concede that while both the Mayans and Aztecs wanted (at times) their battlelines to tangle, they did not. However that had a lot to do with the restrictions the two of you were placing on the fleets.
But the slow Mayan fleet pretty much went and did what it wanted.
However, its the events on the West coast, where the presence of the Aztec-Japanese heavies that kept the Mayans from destroying the troop convoys. The need to unload over a long extended and exposed beach became a real problem.
The Mayans had multiple unopposed airpoints, and had (behind the scenes) planned that they would try to build up torpedoes for when they could attack. Even then the actual hit rate wasn't great...against stationary and very exposed transports. Again, better AA ..as I recall many of the IJN vessels had nothing other than the handcranked rotaries meant for engaging MTBs, not trained/sighted/designed to track a torpedo plane.
Had the Mayans a Pacific battleline, or been able to transfer ships, that could have gotten very messy.
One additional factor is visibility. Night and storms were the prior modifiers, with SK5 haze and sea fog enter into it.
The chance of encounter drops with reduced visibility, and led to both sides 'missing' encounters with the other, but it was happenstance
that there wasn't a battle where maximum range was limited by atmospherics. Which is a shame, as there is not always 'room' to exploit fire control and range.
Ok, sorry that got long, but fun to think through :)
A few notes, on my phone.
I go for the British style bridge armor in the thought that it's proof against blast and splinters and lighter shells or bombs. I also do redundant bridges, hence both are armored. Historically even a heavy conning tower is a command kill. A heavy shell impacting it will pulp the occupants even without spalling or penetration. So make the bridge as effective as possible and accept a direct hit will kill it.
As for FC, it's not on the bridge, it's exposed in superstructure or it's in the Plotting Room under the main deck. So half of it is incredibly vulnerable, cost of doing business.
I've been playing with all concepts, since like the implacable class was a fleet speed increase, the chosen design will wind up being the new Standard for capital ship speed and concept.
After much debate, the decision is made. There is a single dock available for truly large capital ships, and low rate production of battleships will continue, though there will no longer be a push to build 2 or three simultaneously, rather to build staggered production ensuring a new battleship coming into service every three to four years. The further funding and dock space will be put to use on auxiliaries and the new faster vessels.
Conqueror, Aztec Fast Battleship laid down 1928
Displacement:
46,082 t light; 48,273 t standard; 51,421 t normal; 53,940 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(865.16 ft / 853.02 ft) x 121.39 ft x (31.04 / 32.25 ft)
(263.70 m / 260.00 m) x 37.00 m x (9.46 / 9.83 m)
Armament:
8 - 15.75" / 400 mm 45.0 cal guns - 1,969.41lbs / 893.31kg shells, 110 per gun
Breech loading guns in turret on barbette mounts, 1928 Model
4 x 2-gun mounts on centreline ends, evenly spread
2 raised mounts - superfiring
20 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 200 per gun
Quick firing guns in deck and hoist mounts, 1928 Model
10 x Twin mounts on sides, evenly spread
4 raised mounts
10 - 2.76" / 70.0 mm 50.0 cal guns - 11.09lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1928 Model
10 x Single mounts on sides, evenly spread
6 raised mounts
32 - 1.18" / 30.0 mm 50.0 cal guns - 0.86lbs / 0.39kg shells, 1,500 per gun
Anti-air guns in deck and hoist mounts, 1928 Model
16 x Twin mounts on sides, evenly spread
Weight of broadside 17,313 lbs / 7,853 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 14.2" / 360 mm 554.46 ft / 169.00 m 16.40 ft / 5.00 m
Ends: 2.76" / 70 mm 298.52 ft / 90.99 m 11.48 ft / 3.50 m
Main Belt covers 100 % of normal length
Main Belt inclined -10.00 degrees (positive = in)
- Torpedo Bulkhead - Additional damage containing bulkheads:
1.18" / 30 mm 554.46 ft / 169.00 m 28.28 ft / 8.62 m
Beam between torpedo bulkheads 95.14 ft / 29.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 15.7" / 400 mm 9.84" / 250 mm 14.2" / 360 mm
2nd: 3.15" / 80 mm 1.97" / 50 mm 2.76" / 70 mm
3rd: 0.79" / 20 mm - -
4th: 0.79" / 20 mm - 0.79" / 20 mm
- Armoured deck - multiple decks:
For and Aft decks: 5.91" / 150 mm
Forecastle: 1.57" / 40 mm Quarter deck: 3.15" / 80 mm
- Conning towers: Forward 5.91" / 150 mm, Aft 5.91" / 150 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 168,927 shp / 126,019 Kw = 30.00 kts
Range 10,000nm at 14.00 kts
Bunker at max displacement = 5,667 tons
Complement:
1,706 - 2,219
Cost:
£15.192 million / $60.768 million
Distribution of weights at normal displacement:
Armament: 3,512 tons, 6.8 %
- Guns: 3,512 tons, 6.8 %
Armour: 17,957 tons, 34.9 %
- Belts: 5,885 tons, 11.4 %
- Torpedo bulkhead: 685 tons, 1.3 %
- Armament: 3,889 tons, 7.6 %
- Armour Deck: 7,147 tons, 13.9 %
- Conning Towers: 352 tons, 0.7 %
Machinery: 5,259 tons, 10.2 %
Hull, fittings & equipment: 18,469 tons, 35.9 %
Fuel, ammunition & stores: 5,339 tons, 10.4 %
Miscellaneous weights: 885 tons, 1.7 %
- Hull below water: 100 tons
- Hull above water: 375 tons
- On freeboard deck: 110 tons
- Above deck: 300 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
79,662 lbs / 36,134 Kg = 40.8 x 15.7 " / 400 mm shells or 12.5 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 8.0 ft / 2.4 m
Roll period: 18.0 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.46
Seaboat quality (Average = 1.00): 1.05
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.560 / 0.565
Length to Beam Ratio: 7.03 : 1
'Natural speed' for length: 29.21 kts
Power going to wave formation at top speed: 50 %
Trim (Max stability = 0, Max steadiness = 100): 67
Bow angle (Positive = bow angles forward): 12.00 degrees
Stern overhang: 6.56 ft / 2.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 26.25 ft / 8.00 m, 22.97 ft / 7.00 m
- Forward deck: 30.00 %, 22.97 ft / 7.00 m, 22.97 ft / 7.00 m
- Aft deck: 35.00 %, 22.97 ft / 7.00 m, 19.69 ft / 6.00 m
- Quarter deck: 15.00 %, 19.69 ft / 6.00 m, 19.69 ft / 6.00 m
- Average freeboard: 22.16 ft / 6.76 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 81.5 %
- Above water (accommodation/working, high = better): 179.9 %
Waterplane Area: 72,947 Square feet or 6,777 Square metres
Displacement factor (Displacement / loading): 115 %
Structure weight / hull surface area: 210 lbs/sq ft or 1,025 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.00
- Longitudinal: 1.00
- Overall: 1.00
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
100t - DC Pumps and Equipment
100t - Additional DC Equipment
100t - Flag Accommodations
110t - 4 x Armed Floatplane and 2 x Catapult Aft
25t - LR Radio
10t - Additional SR Radio
50t - NF Devices x 2
350t - FC 1918
40t - Flag Bridge
Forecastle and Quarterdecks Monolithic. Main deck 120mm with a 30mm Splinter Deck
And after fixing a couple of odds and ends:
Constellation, Aztec Aircraft Carrier laid down 1928
Displacement:
22,747 t light; 23,354 t standard; 25,368 t normal; 26,979 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(762.51 ft / 754.59 ft) x 82.02 ft x (26.08 / 27.39 ft)
(232.41 m / 230.00 m) x 25.00 m x (7.95 / 8.35 m)
Armament:
8 - 5.12" / 130 mm 50.0 cal guns - 70.97lbs / 32.19kg shells, 200 per gun
Quick firing guns in deck and hoist mounts, 1928 Model
2 x Twin mounts on centreline, evenly spread
2 raised mounts
2 x Twin mounts on sides forward
2 double raised mounts
12 - 2.76" / 70.0 mm 50.0 cal guns - 11.09lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1928 Model
12 x Single mounts on sides, evenly spread
20 - 1.18" / 30.0 mm 50.0 cal guns - 0.86lbs / 0.39kg shells, 1,500 per gun
Anti-air guns in deck and hoist mounts, 1928 Model
10 x Twin mounts on sides, evenly spread
Weight of broadside 718 lbs / 326 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.15" / 80 mm 603.67 ft / 184.00 m 13.12 ft / 4.00 m
Ends: 1.97" / 50 mm 150.89 ft / 45.99 m 11.48 ft / 3.50 m
Main Belt covers 123 % of normal length
- Torpedo Bulkhead - Additional damage containing bulkheads:
1.57" / 40 mm 603.67 ft / 184.00 m 24.08 ft / 7.34 m
Beam between torpedo bulkheads 59.06 ft / 18.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.36" / 60 mm 1.57" / 40 mm 2.36" / 60 mm
3rd: - - 0.98" / 25 mm
- Armoured deck - multiple decks:
For and Aft decks: 2.76" / 70 mm
Forecastle: 1.18" / 30 mm Quarter deck: 1.18" / 30 mm
- Conning towers: Forward 3.15" / 80 mm, Aft 0.00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 140,996 shp / 105,183 Kw = 32.00 kts
Range 10,000nm at 14.00 kts
Bunker at max displacement = 3,626 tons
Complement:
1,004 - 1,306
Cost:
£5.656 million / $22.623 million
Distribution of weights at normal displacement:
Armament: 173 tons, 0.7 %
- Guns: 173 tons, 0.7 %
Armour: 4,203 tons, 16.6 %
- Belts: 1,127 tons, 4.4 %
- Torpedo bulkhead: 847 tons, 3.3 %
- Armament: 55 tons, 0.2 %
- Armour Deck: 2,116 tons, 8.3 %
- Conning Tower: 59 tons, 0.2 %
Machinery: 4,390 tons, 17.3 %
Hull, fittings & equipment: 8,203 tons, 32.3 %
Fuel, ammunition & stores: 2,621 tons, 10.3 %
Miscellaneous weights: 5,778 tons, 22.8 %
- Hull below water: 2,850 tons
- Hull above water: 2,850 tons
- Above deck: 78 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
42,450 lbs / 19,255 Kg = 633.3 x 5.1 " / 130 mm shells or 5.1 torpedoes
Stability (Unstable if below 1.00): 1.34
Metacentric height 6.3 ft / 1.9 m
Roll period: 13.8 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0.09
Seaboat quality (Average = 1.00): 1.78
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.550 / 0.557
Length to Beam Ratio: 9.20 : 1
'Natural speed' for length: 27.47 kts
Power going to wave formation at top speed: 53 %
Trim (Max stability = 0, Max steadiness = 100): 40
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 12.00 %, 29.53 ft / 9.00 m, 29.53 ft / 9.00 m
- Forward deck: 40.00 %, 29.53 ft / 9.00 m, 29.53 ft / 9.00 m
- Aft deck: 40.00 %, 29.53 ft / 9.00 m, 29.53 ft / 9.00 m
- Quarter deck: 8.00 %, 29.53 ft / 9.00 m, 29.53 ft / 9.00 m
- Average freeboard: 29.53 ft / 9.00 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 116.6 %
- Above water (accommodation/working, high = better): 242.0 %
Waterplane Area: 43,194 Square feet or 4,013 Square metres
Displacement factor (Displacement / loading): 131 %
Structure weight / hull surface area: 117 lbs/sq ft or 571 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.94
- Longitudinal: 1.59
- Overall: 1.00
Cramped machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
18t - 1918 FC
25t - NF Devices
25t - LR Radio
10t - Additional SR Radio
5700t - 60 x Aircraft (Provision for heavier tech expansion)
With some inspiration from Kirk, I'm trying to get that sub 8000t 180mm design. Made this, but I don't love it.
Planet Class, Aztec Frigate laid down 1928
Displacement:
7,998 t light; 8,394 t standard; 9,255 t normal; 9,944 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(528.25 ft / 521.65 ft) x 52.49 ft x (22.75 / 24.05 ft)
(161.01 m / 159.00 m) x 16.00 m x (6.93 / 7.33 m)
Armament:
8 - 7.09" / 180 mm 50.0 cal guns - 188.38lbs / 85.45kg shells, 200 per gun
Quick firing guns in deck and hoist mounts, 1928 Model
4 x Twin mounts on centreline ends, evenly spread
2 raised mounts - superfiring
8 - 3.94" / 100 mm 50.0 cal guns - 32.30lbs / 14.65kg shells, 200 per gun
Quick firing guns in deck mounts, 1928 Model
8 x Single mounts on sides, evenly spread
4 - 2.76" / 70.0 mm 50.0 cal guns - 11.08lbs / 5.03kg shells, 300 per gun
Anti-air guns in deck mounts, 1928 Model
4 x Single mounts on centreline, evenly spread
4 raised mounts
10 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 1,500 per gun
Anti-air guns in deck mounts, 1928 Model
10 x Single mounts on sides, evenly spread
Weight of broadside 1,818 lbs / 825 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 4.72" / 120 mm 391.24 ft / 119.25 m 11.48 ft / 3.50 m
Ends: 2.36" / 60 mm 130.38 ft / 39.74 m 9.84 ft / 3.00 m
Main Belt covers 115 % of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 4.72" / 120 mm 2.36" / 60 mm 4.72" / 120 mm
2nd: 2.36" / 60 mm 1.18" / 30 mm -
- Armoured deck - single deck:
For and Aft decks: 2.36" / 60 mm
Forecastle: 1.18" / 30 mm Quarter deck: 1.57" / 40 mm
- Conning towers: Forward 3.94" / 100 mm, Aft 0.00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 3 shafts, 86,022 shp / 64,172 Kw = 32.00 kts
Range 8,000nm at 14.00 kts
Bunker at max displacement = 1,550 tons
Complement:
471 - 613
Cost:
£3.167 million / $12.669 million
Distribution of weights at normal displacement:
Armament: 418 tons, 4.5 %
- Guns: 418 tons, 4.5 %
Armour: 1,954 tons, 21.1 %
- Belts: 965 tons, 10.4 %
- Armament: 171 tons, 1.9 %
- Armour Deck: 780 tons, 8.4 %
- Conning Tower: 37 tons, 0.4 %
Machinery: 2,678 tons, 28.9 %
Hull, fittings & equipment: 2,733 tons, 29.5 %
Fuel, ammunition & stores: 1,257 tons, 13.6 %
Miscellaneous weights: 215 tons, 2.3 %
- Hull above water: 61 tons
- On freeboard deck: 83 tons
- Above deck: 71 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
6,917 lbs / 3,138 Kg = 38.9 x 7.1 " / 180 mm shells or 1.1 torpedoes
Stability (Unstable if below 1.00): 1.03
Metacentric height 2.0 ft / 0.6 m
Roll period: 15.5 seconds
Steadiness - As gun platform (Average = 50 %): 60 %
- Recoil effect (Restricted arc if above 1.00): 0.78
Seaboat quality (Average = 1.00): 1.02
Hull form characteristics:
Hull has a flush deck,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.520 / 0.529
Length to Beam Ratio: 9.94 : 1
'Natural speed' for length: 22.84 kts
Power going to wave formation at top speed: 61 %
Trim (Max stability = 0, Max steadiness = 100): 59
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 15.00 %, 24.61 ft / 7.50 m, 21.65 ft / 6.60 m
- Forward deck: 40.00 %, 21.65 ft / 6.60 m, 18.04 ft / 5.50 m
- Aft deck: 35.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
- Quarter deck: 10.00 %, 18.04 ft / 5.50 m, 18.04 ft / 5.50 m
- Average freeboard: 19.48 ft / 5.94 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 112.9 %
- Above water (accommodation/working, high = better): 142.8 %
Waterplane Area: 18,583 Square feet or 1,726 Square metres
Displacement factor (Displacement / loading): 101 %
Structure weight / hull surface area: 87 lbs/sq ft or 426 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.83
- Longitudinal: 1.73
- Overall: 0.90
Caution: Hull subject to strain in open-sea
Cramped machinery, storage, compartmentation space
Excellent accommodation and workspace room
42t - 1918 FC
25t - NF Devices
25t - LR Radio
30t - 1 x Armed Floatplane and Catapult Amidships
32t - 2 x 4 x 21in HW TT Aft
60t - Additional Power T&E Equipment for Main Battery
Quote from: TacCovert4 on July 30, 2023, 09:11:09 AM
A few notes, on my phone.
I go for the British style bridge armor in the thought that it's proof against blast and splinters and lighter shells or bombs. I also do redundant bridges, hence both are armored. Historically even a heavy conning tower is a command kill. A heavy shell impacting it will pulp the occupants even without spalling or penetration. So make the bridge as effective as possible and accept a direct hit will kill it.
As for FC, it's not on the bridge, it's exposed in superstructure or it's in the Plotting Room under the main deck. So half of it is incredibly vulnerable, cost of doing business.
I've been playing with all concepts, since like the implacable class was a fleet speed increase, the chosen design will wind up being the new Standard for capital ship speed and concept.
One thing I've been meaning to circle round to Rocky on is he noted once his aux con wasn't showing weight changes. It does on my SSs... so must be a version thing.
I'm aware of the British thinking, but I'm pretty sure there's been con hits defeated, and loss of con here. For the Brits it was more theoretical, but as I recall they did expect the shock to be rather extreme.
FC is generally at best splinter protected, but on a number of designs the long base rangefinders are high on the bridgework superstructure.
On my Varzya class, I provided armored FC towers...rather massive amount of tonnage for that.
As for speed... you have the odd situation that even now that you've made nice with the Romans...they would be the most dangerous if the situation reverted.
So high speed to avoid being pinned by their superior numbers can be a real consideration.
Probably my biggest points are that
A) AA in the Mayan war was pretty minimal. The IJN had old FC and virtually no AA, the Mayans had 2-4 47mm /ship.
B) The Japanese-Aztec capital ships were why the amphibious transports were even feasible, and the presence of the Mayan battlefleet probably meant using the better harbor on the East coast was a non-starter. The lack of contact does not change that each achieved their goals.
...and now my brain is signaling it want to quit on me a couple hours earlier than normal.... so I'll wander off.
The oldest active ships in the fleet are the MS-1 class mine warfare vessels. They've given yeoman service for two decades, but modern ASW and AA systems, as well as modernized fire control, radios, detection equipment, etc. So a general patrol vessel replacement is in order. While it's not a minelayer, enough space for mines is aboard to allow it to build and maintain defensive minefields. A pair of torpedo tubes give it the ability to threaten a larger vessel, and an ASW and AA suite set it for escorting coastal convoys, or even crossing the Caribbean on convoy duty.
MS-28, Aztec Offshore Patrol Vessel laid down 1928
Displacement:
700 t light; 730 t standard; 788 t normal; 833 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(202.52 ft / 196.85 ft) x 27.23 ft x (9.02 / 9.45 ft)
(61.73 m / 60.00 m) x 8.30 m x (2.75 / 2.88 m)
Armament:
1 - 5.12" / 130 mm 50.0 cal gun - 70.97lbs / 32.19kg shells, 150 per gun
Quick firing gun in deck mount, 1928 Model
1 x Single mount on centreline, forward deck centre
1 - 2.76" / 70.0 mm 50.0 cal gun - 11.08lbs / 5.03kg shells, 200 per gun
Anti-air gun in deck mount, 1928 Model
1 x Single mount on centreline, aft deck centre
8 - 1.18" / 30.0 mm 50.0 cal guns - 0.87lbs / 0.40kg shells, 2,000 per gun
Anti-air guns in deck mounts, 1928 Model
8 x Single mounts on sides, evenly spread
Weight of broadside 89 lbs / 40 kg
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.18" / 30 mm - -
2nd: 0.79" / 20 mm - -
- Box over magazines:
1.18" / 30 mm
- Conning towers: Forward 1.18" / 30 mm, Aft 0.00" / 0 mm
Machinery:
Diesel Internal combustion motors,
Geared drive, 0 shafts, 6,848 shp / 5,109 Kw = 22.00 kts
Range 2,000nm at 14.00 kts
Bunker at max displacement = 103 tons
Caution: Too much power for number of propellor shafts
Complement:
73 - 96
Cost:
£0.227 million / $0.906 million
Distribution of weights at normal displacement:
Armament: 19 tons, 2.4 %
- Guns: 19 tons, 2.4 %
Armour: 18 tons, 2.3 %
- Armament: 4 tons, 0.5 %
- Armour Deck: 12 tons, 1.5 %
- Conning Tower: 2 tons, 0.3 %
Machinery: 213 tons, 27.1 %
Hull, fittings & equipment: 232 tons, 29.5 %
Fuel, ammunition & stores: 88 tons, 11.2 %
Miscellaneous weights: 218 tons, 27.7 %
- Hull below water: 80 tons
- On freeboard deck: 85 tons
- Above deck: 53 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
864 lbs / 392 Kg = 12.9 x 5.1 " / 130 mm shells or 0.5 torpedoes
Stability (Unstable if below 1.00): 1.16
Metacentric height 0.9 ft / 0.3 m
Roll period: 11.8 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.15
Seaboat quality (Average = 1.00): 1.04
Hull form characteristics:
Hull has rise forward of midbreak,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.570 / 0.576
Length to Beam Ratio: 7.23 : 1
'Natural speed' for length: 14.03 kts
Power going to wave formation at top speed: 70 %
Trim (Max stability = 0, Max steadiness = 100): 48
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 15.58 ft / 4.75 m, 15.58 ft / 4.75 m
- Forward deck: 30.00 %, 15.58 ft / 4.75 m, 15.58 ft / 4.75 m
- Aft deck: 35.00 %, 8.20 ft / 2.50 m, 8.20 ft / 2.50 m
- Quarter deck: 15.00 %, 8.20 ft / 2.50 m, 8.20 ft / 2.50 m
- Average freeboard: 11.89 ft / 3.63 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 106.5 %
- Above water (accommodation/working, high = better): 112.4 %
Waterplane Area: 3,710 Square feet or 345 Square metres
Displacement factor (Displacement / loading): 111 %
Structure weight / hull surface area: 34 lbs/sq ft or 168 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.76
- Longitudinal: 4.09
- Overall: 0.90
Caution: Hull subject to strain in open-sea
Adequate machinery, storage, compartmentation space
Adequate accommodation and workspace room
75t - Diesel Engines
5t - Hydrophones
15t - Minesweeping Equipment
4t - DC Throwers
18t - Depth Charges
8t - 2 x 1 x 21in HW TT
50t - Space for Mines
3t - 1918 FC
25t - LR Radio
25t - NF Devices
Excellent multi-purpose vessel.
Byzantium needs to increase its fleet of small multi-purpose ships.
A kind of half Destroyer.
It certainly looks handy.
No shaft :)
I dunno, it seems like we default to 25t for various Misc weights we have no idea on, like MS gear.
My PS-1 and PS-2 series of aux patrol vessels fill that role for me.
I think they are a handy and needed chunk of the navy, even if they don't have a direct fleet role.
I would take the design and either do what I did and go aux :)
or shoot for the 0.75 comp hull of the <=3000t cruisers.
Quote from: Kaiser Kirk on August 06, 2023, 09:59:38 AM
No shaft :)
I dunno, it seems like we default to 25t for various Misc weights we have no idea on, like MS gear.
My PS-1 and PS-2 series of aux patrol vessels fill that role for me.
I think they are a handy and needed chunk of the navy, even if they don't have a direct fleet role.
I would take the design and either do what I did and go aux :)
or shoot for the 0.75 comp hull of the <=3000t cruisers.
I forgot about the .75. Time to make it a lot better.
Also yes, need to note two shafts. I designed this at 2am
Quote from: TacCovert4 on August 06, 2023, 10:30:06 AM
I forgot about the .75. Time to make it a lot better.
Also yes, need to note two shafts. I designed this at 2am
I know that feeling, I can tinker with ship designs while partially awake, or watching TV.
I figured there would be rowers.
Though now I'm wondering how to sim a paddlewheeler.
Fixed. Mostly enhanced the minesweeping gear with an additional 10 tons of kit, added 15t of DC/Fire Pumps, with 5t of fire hoses. And upgraded the hydrophones to the advanced set, which will make this ship easily function as a capable ASW vessel.
Also, noted the range. While at the fleet cruise speed of 14kts she can only do 3500nm on her diesels, at a more economical cruise speed for convoys of 10kts she is a true ocean-crossing vessel with 8500nm of range.
MS-28, Aztec Offshore Patrol Vessel laid down 1928
Displacement:
700 t light; 730 t standard; 788 t normal; 833 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(202.52 ft / 196.85 ft) x 27.23 ft x (9.02 / 9.44 ft)
(61.73 m / 60.00 m) x 8.30 m x (2.75 / 2.88 m)
Armament:
1 - 5.12" / 130 mm 50.0 cal gun - 70.97lbs / 32.19kg shells, 150 per gun
Quick firing gun in deck mount, 1928 Model
1 x Single mount on centreline, forward deck centre
1 - 2.76" / 70.0 mm 50.0 cal gun - 11.09lbs / 5.03kg shells, 200 per gun
Anti-air gun in deck mount, 1928 Model
1 x Single mount on centreline, aft deck centre
8 - 1.18" / 30.0 mm 50.0 cal guns - 0.86lbs / 0.39kg shells, 2,000 per gun
Anti-air guns in deck mounts, 1928 Model
8 x Single mounts on sides, evenly spread
Weight of broadside 89 lbs / 40 kg
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.18" / 30 mm - -
2nd: 0.79" / 20 mm - -
- Box over magazines:
1.18" / 30 mm
- Conning towers: Forward 1.18" / 30 mm, Aft 0.00" / 0 mm
Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 6,848 shp / 5,109 Kw = 22.00 kts
Range 2,000nm at 14.00 kts
Bunker at max displacement = 103 tons
Complement:
73 - 96
Cost:
£0.227 million / $0.906 million
Distribution of weights at normal displacement:
Armament: 19 tons, 2.4 %
- Guns: 19 tons, 2.4 %
Armour: 18 tons, 2.3 %
- Armament: 4 tons, 0.5 %
- Armour Deck: 12 tons, 1.5 %
- Conning Tower: 2 tons, 0.3 %
Machinery: 213 tons, 27.1 %
Hull, fittings & equipment: 192 tons, 24.4 %
Fuel, ammunition & stores: 88 tons, 11.2 %
Miscellaneous weights: 258 tons, 32.8 %
- Hull below water: 105 tons
- On freeboard deck: 100 tons
- Above deck: 53 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
672 lbs / 305 Kg = 10.0 x 5.1 " / 130 mm shells or 0.4 torpedoes
Stability (Unstable if below 1.00): 1.11
Metacentric height 0.9 ft / 0.3 m
Roll period: 12.3 seconds
Steadiness - As gun platform (Average = 50 %): 61 %
- Recoil effect (Restricted arc if above 1.00): 0.17
Seaboat quality (Average = 1.00): 1.06
Hull form characteristics:
Hull has rise forward of midbreak,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.570 / 0.576
Length to Beam Ratio: 7.23 : 1
'Natural speed' for length: 14.03 kts
Power going to wave formation at top speed: 70 %
Trim (Max stability = 0, Max steadiness = 100): 57
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 15.58 ft / 4.75 m, 15.58 ft / 4.75 m
- Forward deck: 30.00 %, 15.58 ft / 4.75 m, 15.58 ft / 4.75 m
- Aft deck: 35.00 %, 8.20 ft / 2.50 m, 8.20 ft / 2.50 m
- Quarter deck: 15.00 %, 8.20 ft / 2.50 m, 8.20 ft / 2.50 m
- Average freeboard: 11.89 ft / 3.63 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 109.8 %
- Above water (accommodation/working, high = better): 115.5 %
Waterplane Area: 3,812 Square feet or 354 Square metres
Displacement factor (Displacement / loading): 105 %
Structure weight / hull surface area: 29 lbs/sq ft or 140 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.63
- Longitudinal: 3.42
- Overall: 0.75
Caution: Hull subject to strain in open-sea
Adequate machinery, storage, compartmentation space
Adequate accommodation and workspace room
75t - Diesel Engines
15t - Enhanced Hydrophones
15t - DC and Fire Pumps
25t - Minesweeping Equipment
4t - DC Throwers
18t - Depth Charges
8t - 2 x 1 x 21in HW TT
50t - Space for Mines
5t - Fire Hoses
3t - 1918 FC
25t - LR Radio
25t - NF Devices
Range: 3500nm @ 14kts or 8500nm @ 10kts
Also, I've started fiddling things to make sure that my anticipated DP guns will be able to be refitted to ships I'm building now. And yes, this ship will be able to take a refit of both the 130mm surface gun and the 70mm AA gun with a pair of twin 80mm DP guns.
I've been planning my DP guns, and generally I'm looking at the following:
115mm/55 - Single, Twin M&H
80mm/55 - Single, Twin Deck. Also futzing about with the crazy idea of a 2 row 4 gun barbette, basically an AA shell hose.
That Soviet quad 57mm was a cool looking piece.
I've been assuming I'll stick with the same calibers when I get there.
I might even refresh the 30mm, go full pom pom with an octuple mount for my capital ships.
Quote from: TacCovert4 on August 06, 2023, 12:20:50 PM
I might even refresh the 30mm, go full pom pom with an octuple mount for my capital ships.
I haven't planned DPs yet, I expect I will create a 120mm or 115-110mm version, depending on weights.
Anything will be designed so I can replace the current 120s, and I'll see if I can make a twin/double that can replace the 165s or 130s
I've eyed the idea of the 8x just for fun.
But I'm going roughly 7.5 - 15 - 23 (22.5) - 30 - 37 (37.5) - 45 and then 57... the 57's out of sequence, but was replacing a 60mm.
The 45 and 57s are a little large for the rapid fire tech of the 1920s/30s and so will move down in size.
I've introduced GAST actions for my 15mm, and plan on it for my 23mm.
The quad version of the 15/23 is 'two twins', but I want a
Wirblewind style 30 or 37.
I'm aware the USN chose the 28mm as the sweet spot between hitting power and ROF, and the 30mm - like you- covers that,
but the 37 has slightly more 'reach'....but weighs more. Which I use may come down to the ship's tolerance for weight,
and which replaces the current 57s easier.
Made a few changes. Of note, thinned the protection down a little.....I did remove it, but wound up adding it back because it actually helped stability. Changed the gun from a single 130 to a twin 100 for weight savings. Looking in future towards potentially an 80mm-100mm DP gun that'll replace the twin surface mount on most ships. I cut the minelaying ability, I just don't see where mine-laying on an all-purpose OPV really makes sense. Instead I'll build a dedicated minelaying class, which can be larger and better suited to the job anyway. Overall she'll still need 2 HY to build, but low tonnage, so I can build up numbers of dedicated escorts, and unlike my old MS-1 class, these have all-aspect escort capabilities..
MS-28, Aztec Offshore Patrol Vessel laid down 1928
Displacement:
549 t light; 576 t standard; 624 t normal; 663 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(201.39 ft / 196.85 ft) x 24.61 ft x (8.20 / 8.63 ft)
(61.38 m / 60.00 m) x 7.50 m x (2.50 / 2.63 m)
Armament:
2 - 3.94" / 100 mm 50.0 cal guns - 32.30lbs / 14.65kg shells, 150 per gun
Quick firing guns in deck mount, 1928 Model
1 x Single mount on centreline, forward deck centre
1 - 2.76" / 70.0 mm 50.0 cal gun - 11.09lbs / 5.03kg shells, 200 per gun
Anti-air gun in deck mount, 1928 Model
1 x Single mount on centreline, aft deck centre
8 - 1.18" / 30.0 mm 50.0 cal guns - 0.86lbs / 0.39kg shells, 2,000 per gun
Anti-air guns in deck mounts, 1928 Model
8 x Single mounts on sides, evenly spread
Weight of broadside 83 lbs / 37 kg
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.18" / 30 mm - -
2nd: 0.79" / 20 mm - -
- Box over magazines:
0.79" / 20 mm
- Conning towers: Forward 0.79" / 20 mm, Aft 0.00" / 0 mm
Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 5,730 shp / 4,275 Kw = 22.00 kts
Range 2,000nm at 14.00 kts
Bunker at max displacement = 88 tons
Complement:
62 - 81
Cost:
£0.187 million / $0.747 million
Distribution of weights at normal displacement:
Armament: 18 tons, 2.9 %
- Guns: 18 tons, 2.9 %
Armour: 12 tons, 1.9 %
- Armament: 3 tons, 0.5 %
- Armour Deck: 8 tons, 1.2 %
- Conning Tower: 1 tons, 0.2 %
Machinery: 178 tons, 28.6 %
Hull, fittings & equipment: 153 tons, 24.6 %
Fuel, ammunition & stores: 75 tons, 12.1 %
Miscellaneous weights: 187 tons, 30.0 %
- Hull below water: 68 tons
- On freeboard deck: 67 tons
- Above deck: 52 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
479 lbs / 217 Kg = 15.7 x 3.9 " / 100 mm shells or 0.4 torpedoes
Stability (Unstable if below 1.00): 1.06
Metacentric height 0.7 ft / 0.2 m
Roll period: 12.5 seconds
Steadiness - As gun platform (Average = 50 %): 60 %
- Recoil effect (Restricted arc if above 1.00): 0.21
Seaboat quality (Average = 1.00): 1.00
Hull form characteristics:
Hull has rise forward of midbreak,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.550 / 0.555
Length to Beam Ratio: 8.00 : 1
'Natural speed' for length: 14.03 kts
Power going to wave formation at top speed: 68 %
Trim (Max stability = 0, Max steadiness = 100): 60
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 12.47 ft / 3.80 m, 12.47 ft / 3.80 m
- Forward deck: 30.00 %, 12.47 ft / 3.80 m, 12.47 ft / 3.80 m
- Aft deck: 35.00 %, 8.20 ft / 2.50 m, 8.20 ft / 2.50 m
- Quarter deck: 15.00 %, 8.20 ft / 2.50 m, 8.20 ft / 2.50 m
- Average freeboard: 10.33 ft / 3.15 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 113.5 %
- Above water (accommodation/working, high = better): 105.6 %
Waterplane Area: 3,380 Square feet or 314 Square metres
Displacement factor (Displacement / loading): 104 %
Structure weight / hull surface area: 27 lbs/sq ft or 130 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.65
- Longitudinal: 2.59
- Overall: 0.75
Caution: Hull subject to strain in open-sea
Cramped machinery, storage, compartmentation space
Adequate accommodation and workspace room
54t - Diesel Engines
15t - Enhanced Hydrophones
35t - Minesweeping Equipment
2t - DC Throwers
18t - Depth Charges
12t - 1x3x21in HW TT
2t - 1918 FC
25t - LR Radio
25t - NF Devices
Range: 3500nm @ 14kts or 8500nm @ 10kts