QuoteQH Longzi, Middle kingdom costal battleship laid down 1892
Displacement:
5.557 t light; 5.836 t standard; 6.003 t normal; 6.137 t full load
Dimensions: Length overall / water x beam x draught
410,11 ft / 410,11 ft x 67,26 ft x 10,17 ft (normal load)
125,00 m / 125,00 m x 20,50 m x 3,10 m
Armament:
2 - 9,84" / 250 mm guns in single mounts, 476,75lbs / 216,25kg shells, 1892 Model
Breech loading guns in turrets (on barbettes)
on side, evenly spread
2 - 7,68" / 195 mm guns in single mounts, 226,24lbs / 102,62kg shells, 1892 Model
Breech loading guns in casemate mounts
on centreline, all amidships
10 - 4,13" / 105 mm guns in single mounts, 35,32lbs / 16,02kg shells, 1892 Model
Breech loading guns in casemate mounts
on side, evenly spread
10 - 0,98" / 25,0 mm guns in single mounts, 0,48lbs / 0,22kg shells, 1892 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 1.764 lbs / 800 kg
Shells per gun, main battery: 150
14 - 14,0" / 355,6 mm submerged torpedo tubes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 7,87" / 200 mm 266,57 ft / 81,25 m 9,22 ft / 2,81 m
Ends: 1,97" / 50 mm 143,50 ft / 43,74 m 9,22 ft / 2,81 m
Upper: 4,33" / 110 mm 229,66 ft / 70,00 m 8,01 ft / 2,44 m
Main Belt covers 100% of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3,94" / 100 mm 3,94" / 100 mm 3,15" / 80 mm
2nd: 3,94" / 100 mm 3,15" / 80 mm -
3rd: 3,94" / 100 mm - -
4th: 0,79" / 20 mm - -
- Armour deck: 1,57" / 40 mm, Conning tower: 5,91" / 150 mm
Machinery:
Coal fired boilers, complex reciprocating steam engines,
Direct drive, 2 shafts, 2.449 ihp / 1.827 Kw = 12,35 kts
Range 3.000nm at 6,00 kts
Bunker at max displacement = 300 tons (100% coal)
Complement:
340 - 443
Cost:
£0,441 million / $1,764 million
Distribution of weights at normal displacement:
Armament: 220 tons, 3,7%
Armour: 2.282 tons, 38,0%
- Belts: 1.323 tons, 22,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 245 tons, 4,1%
- Armour Deck: 672 tons, 11,2%
- Conning Tower: 42 tons, 0,7%
Machinery: 437 tons, 7,3%
Hull, fittings & equipment: 2.617 tons, 43,6%
Fuel, ammunition & stores: 446 tons, 7,4%
Miscellaneous weights: 0 tons, 0,0%
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
14.362 lbs / 6.515 Kg = 30,1 x 9,8 " / 250 mm shells or 2,7 torpedoes
Stability (Unstable if below 1.00): 1,48
Metacentric height 5,4 ft / 1,6 m
Roll period: 12,2 seconds
Steadiness - As gun platform (Average = 50 %): 63 %
- Recoil effect (Restricted arc if above 1.00): 0,15
Seaboat quality (Average = 1.00): 1,26
Hull form characteristics:
Hull has raised forecastle
Block coefficient: 0,749
Length to Beam Ratio: 6,10 : 1
'Natural speed' for length: 20,25 kts
Power going to wave formation at top speed: 24 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 0,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 19,69 ft / 6,00 m
- Forecastle (20%): 19,69 ft / 6,00 m (13,12 ft / 4,00 m aft of break)
- Mid (50%): 13,12 ft / 4,00 m
- Quarterdeck (15%): 13,12 ft / 4,00 m
- Stern: 13,12 ft / 4,00 m
- Average freeboard: 14,44 ft / 4,40 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 62,0%
- Above water (accommodation/working, high = better): 169,7%
Waterplane Area: 23.081 Square feet or 2.144 Square metres
Displacement factor (Displacement / loading): 122%
Structure weight / hull surface area: 94 lbs/sq ft or 457 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1,00
- Longitudinal: 1,12
- Overall: 1,01
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Good seaboat, rides out heavy weather easily
QuoteJemappes/Valmy, "Long"-class France Coastal battleship laid down 1887 (Engine 1900) - REFIT 1900
Displacement:
6.214 t light; 6.450 t standard; 6.996 t normal; 7.432 t full load
Dimensions: Length overall / water x beam x draught
284,00 ft / 284,00 ft x 57,00 ft x 25,00 ft (normal load)
86,56 m / 86,56 m x 17,37 m x 7,62 m
Armament:
2 - 9,84" / 250 mm guns in single mounts, 476,75lbs / 216,25kg shells, 1903 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread
4 - 5,51" / 140 mm guns (2x2 guns), 83,72lbs / 37,97kg shells, 1903 Model
Quick firing guns in deck mounts
on side, all amidships
10 - 3,94" / 100 mm guns (4 mounts), 29,14lbs / 13,22kg shells, 1887 Model
Quick firing guns in deck mounts
on side, evenly spread
12 - 0,98" / 25,0 mm guns (6x2 guns), 0,46lbs / 0,21kg shells, 1887 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 1.585 lbs / 719 kg
Shells per gun, main battery: 100
2 - 18,0" / 457,2 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 17,5" / 445 mm 170,00 ft / 51,82 m 7,50 ft / 2,29 m
Ends: 12,0" / 304 mm 114,00 ft / 34,75 m 7,50 ft / 2,29 m
Main Belt covers 92% of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 12,0" / 304 mm 10,0" / 254 mm 10,0" / 254 mm
- Armour deck: 3,98" / 101 mm, Conning tower: 11,97" / 304 mm
Machinery:
Coal fired boilers, complex reciprocating steam engines,
Direct drive, 2 shafts, 8.148 ihp / 6.078 Kw = 16,99 kts
Range 3.000nm at 12,00 kts
Bunker at max displacement = 983 tons (100% coal)
Complement:
382 - 497
Cost:
£0,562 million / $2,249 million
Distribution of weights at normal displacement:
Armament: 198 tons, 2,8%
Armour: 2.730 tons, 39,0%
- Belts: 1.410 tons, 20,2%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 351 tons, 5,0%
- Armour Deck: 875 tons, 12,5%
- Conning Tower: 94 tons, 1,3%
Machinery: 1.273 tons, 18,2%
Hull, fittings & equipment: 1.962 tons, 28,1%
Fuel, ammunition & stores: 782 tons, 11,2%
Miscellaneous weights: 50 tons, 0,7%
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
6.999 lbs / 3.175 Kg = 15,4 x 9,8 " / 250 mm shells or 1,4 torpedoes
Stability (Unstable if below 1.00): 1,05
Metacentric height 2,4 ft / 0,7 m
Roll period: 15,6 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0,40
Seaboat quality (Average = 1.00): 1,20
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,605
Length to Beam Ratio: 4,98 : 1
'Natural speed' for length: 16,85 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 58
Bow angle (Positive = bow angles forward): 0,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 14,00 ft / 4,27 m
- Forecastle (20%): 14,00 ft / 4,27 m
- Mid (50%): 14,00 ft / 4,27 m
- Quarterdeck (15%): 14,00 ft / 4,27 m
- Stern: 14,00 ft / 4,27 m
- Average freeboard: 14,00 ft / 4,27 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 81,7%
- Above water (accommodation/working, high = better): 77,8%
Waterplane Area: 11.895 Square feet or 1.105 Square metres
Displacement factor (Displacement / loading): 101%
Structure weight / hull surface area: 105 lbs/sq ft or 515 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,88
- Longitudinal: 3,08
- Overall: 1,00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily
QuoteQH Shengzi, Middle Kingdom Coastal Battleship laid down 1902
Displacement:
11.536 t light; 11.999 t standard; 12.441 t normal; 12.795 t full load
Dimensions: Length overall / water x beam x draught
508,53 ft / 508,53 ft x 88,58 ft x 18,04 ft (normal load)
155,00 m / 155,00 m x 27,00 m x 5,50 m
Armament:
2 - 12,99" / 330 mm guns (1x2 guns), 1.096,51lbs / 497,37kg shells, 1902 Model
Breech loading guns in a turret (on a barbette)
on centreline forward
2 - 7,68" / 195 mm guns (1x2 guns), 226,24lbs / 102,62kg shells, 1902 Model
Breech loading guns in a turret (on a barbette)
on centreline aft
8 - 5,51" / 140 mm guns in single mounts, 83,72lbs / 37,98kg shells, 1902 Model
Quick firing guns in casemate mounts
on side, evenly spread, 6 raised mounts
10 - 2,95" / 75,0 mm guns in single mounts, 12,87lbs / 5,84kg shells, 1902 Model
Quick firing guns in deck mounts
on side, evenly spread, 4 raised mounts
6 guns in hull casemates - Limited use in heavy seas
Weight of broadside 3.611 lbs / 1.638 kg
Shells per gun, main battery: 100
14 - 20,0" / 508 mm submerged torpedo tubes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 7,87" / 200 mm 393,70 ft / 120,00 m 11,81 ft / 3,60 m
Ends: 3,94" / 100 mm 98,43 ft / 30,00 m 11,29 ft / 3,44 m
16,40 ft / 5,00 m Unarmoured ends
Upper: 3,94" / 100 mm 330,54 ft / 100,75 m 8,01 ft / 2,44 m
Main Belt covers 119% of normal length
- Torpedo Bulkhead:
1,97" / 50 mm 330,54 ft / 100,75 m 13,52 ft / 4,12 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 7,87" / 200 mm 7,87" / 200 mm 7,87" / 200 mm
2nd: 3,94" / 100 mm 3,94" / 100 mm 3,94" / 100 mm
3rd: 1,57" / 40 mm 1,57" / 40 mm -
4th: 1,57" / 40 mm 1,57" / 40 mm -
- Armour deck: 3,15" / 80 mm, Conning tower: 7,87" / 200 mm
Machinery:
Coal fired boilers, complex reciprocating steam engines,
Direct drive, 2 shafts, 6.388 ihp / 4.766 Kw = 15,00 kts
Range 2.500nm at 10,00 kts
Bunker at max displacement = 795 tons (100% coal)
Complement:
588 - 765
Cost:
£0,918 million / $3,674 million
Distribution of weights at normal displacement:
Armament: 431 tons, 3,5%
Armour: 4.910 tons, 39,5%
- Belts: 2.163 tons, 17,4%
- Torpedo bulkhead: 325 tons, 2,6%
- Armament: 522 tons, 4,3%
- Armour Deck: 1.807 tons, 14,5%
- Conning Tower: 91 tons, 0,7%
Machinery: 968 tons, 7,8%
Hull, fittings & equipment: 5.143 tons, 41,3%
Fuel, ammunition & stores: 894 tons, 7,2%
Miscellaneous weights: 105 tons, 0,8%
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
27.120 lbs / 12.301 Kg = 24,7 x 13,0 " / 330 mm shells or 5,6 torpedoes
Stability (Unstable if below 1.00): 1,35
Metacentric height 7,2 ft / 2,2 m
Roll period: 13,9 seconds
Steadiness - As gun platform (Average = 50 %): 81 %
- Recoil effect (Restricted arc if above 1.00): 0,21
Seaboat quality (Average = 1.00): 1,62
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,536
Length to Beam Ratio: 5,74 : 1
'Natural speed' for length: 22,55 kts
Power going to wave formation at top speed: 28 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 0,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 26,90 ft / 8,20 m
- Forecastle (20%): 26,25 ft / 8,00 m
- Mid (50%): 15,52 ft / 4,73 m
- Quarterdeck (15%): 15,52 ft / 4,73 m
- Stern: 15,52 ft / 4,73 m
- Average freeboard: 19,33 ft / 5,89 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 78,9%
- Above water (accommodation/working, high = better): 180,8%
Waterplane Area: 31.020 Square feet or 2.882 Square metres
Displacement factor (Displacement / loading): 119%
Structure weight / hull surface area: 129 lbs/sq ft or 629 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,95
- Longitudinal: 1,68
- Overall: 1,00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
the 14 torpedo tubes are all broadside, 105 ton misc weight towing gear