New Netherlands cruiser.

[Korpen]

An attempt to make the most of the new engine and oil firing technology.
She is very fast by Netherlands standard, although she is a knot or two slower then most other countries modern light cruisers.
But she compensates that by having a broadside of no less then 8 15cm guns, so she is expected to be very efficient in disrupting attack from small torpedo crafts. Special attention as been taken to maximise the field of fir for the guns, allowing her to fire broadsides to about 120 degrees to each side.
She also have plenty of misc weight for mines, radio, minesweeping and other equipment that might be needed.

But to large extent she can be considered a experimental ship.
There is no such thing as overgunned! ;)


Type VII, The Netherlands Light crusier laid down 1908 (Engine 1909)

Displacement:
   3 800 t light; 4 041 t standard; 4 723 t normal; 5 268 t full load

Dimensions: Length overall / water x beam x draught
   424,74 ft / 406,82 ft x 42,65 ft x 18,04 ft (normal load)
   129,46 m / 124,00 m x 13,00 m  x 5,50 m

Armament:
      6 - 5,91" / 150 mm guns in single mounts, 99,21lbs / 45,00kg shells, 1908 Model
     Breech loading guns in deck mounts with hoists
     on centreline ends, evenly spread, 3 raised mounts - superfiring
      4 - 5,91" / 150 mm guns in single mounts, 99,21lbs / 45,00kg shells, 1908 Model
     Breech loading guns in deck mounts with hoists
     on side, all amidships
      8 - 0,31" / 8,0 mm guns in single mounts, 0,02lbs / 0,01kg shells, 1908 Model
     Machine guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 992 lbs / 450 kg
   Shells per gun, main battery: 250
   2 - 17,7" / 450 mm submerged torpedo tubes

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   2,76" / 70 mm   316,60 ft / 96,50 m   7,87 ft / 2,40 m
   Ends:   Unarmoured
     Main Belt covers 120 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   1,97" / 50 mm   0,98" / 25 mm      1,97" / 50 mm
   2nd:   1,97" / 50 mm   0,98" / 25 mm      1,97" / 50 mm
   3rd:   0,20" / 5 mm         -               -

   - Armour deck: 0,98" / 25 mm, Conning tower: 2,95" / 75 mm

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 4 shafts, 27 286 shp / 20 355 Kw = 26,00 kts
   Range 8 000nm at 12,00 kts
   Bunker at max displacement = 1 227 tons

Complement:
   284 - 370

Cost:
   £0,415 million / $1,659 million

Distribution of weights at normal displacement:
   Armament: 129 tons, 2,7 %
   Armour: 580 tons, 12,3 %
      - Belts: 280 tons, 5,9 %
      - Torpedo bulkhead: 0 tons, 0,0 %
      - Armament: 67 tons, 1,4 %
      - Armour Deck: 216 tons, 4,6 %
      - Conning Tower: 18 tons, 0,4 %
   Machinery: 1 240 tons, 26,3 %
   Hull, fittings & equipment: 1 551 tons, 32,8 %
   Fuel, ammunition & stores: 923 tons, 19,5 %
   Miscellaneous weights: 300 tons, 6,4 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     3 522 lbs / 1 598 Kg = 34,2 x 5,9 " / 150 mm shells or 0,8 torpedoes
   Stability (Unstable if below 1.00): 1,15
   Metacentric height 1,8 ft / 0,5 m
   Roll period: 13,4 seconds
   Steadiness   - As gun platform (Average = 50 %): 52 %
         - Recoil effect (Restricted arc if above 1.00): 0,64
   Seaboat quality  (Average = 1.00): 1,04

Hull form characteristics:
   Hull has rise forward of midbreak
   Block coefficient: 0,528
   Length to Beam Ratio: 9,54 : 1
   'Natural speed' for length: 20,17 kts
   Power going to wave formation at top speed: 56 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   Bow angle (Positive = bow angles forward): 35,00 degrees
   Stern overhang: 3,28 ft / 1,00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      20,90 ft / 6,37 m
      - Forecastle (20 %):   18,04 ft / 5,50 m
      - Mid (52 %):      18,04 ft / 5,50 m (9,84 ft / 3,00 m aft of break)
      - Quarterdeck (15 %):   9,84 ft / 3,00 m
      - Stern:      9,84 ft / 3,00 m
      - Average freeboard:   14,34 ft / 4,37 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 119,4 %
      - Above water (accommodation/working, high = better): 110,4 %
   Waterplane Area: 11 863 Square feet or 1 102 Square metres
   Displacement factor (Displacement / loading): 108 %
   Structure weight / hull surface area: 77 lbs/sq ft or 375 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,95
      - Longitudinal: 1,60
      - Overall: 1,00
   Hull space for machinery, storage, compartmentation is cramped
   Room for accommodation and workspaces is adequate



The again, i might build something completely different. ;)

[swamphen]

Rule 37. There is no "overkill". There is only "open fire" and "I need to reload".
;D

Not bad!

[Borys]

Ahoj!
The 6 inchers will be slow to train, with those heavy shields.
I'd sacrifice a bit of stability to add to seakeeping. Unless this class is built for colonial use.

Borys

[Korpen]

Ahoj!
The 6 inchers will be slow to train, with those heavy shields.
I'd sacrifice a bit of stability to add to seakeeping. Unless this class is built for colonial use.

Borys

Put is like this, she will serve in the NOI. So you could say that se will be of colonial use.
But the comment about the weight of the shield will require some thought.

[P3D]

I'd modify the design so it could fit in a 120m lvl-1 drydock. Even of it costs a gun mount or two.

[Korpen]

P3D: Ah, good catch, thanks, I did not think of that one.

Also fixed the shielded mounts, It seems I hade given the ship enclosed mounts.
Also made her 50 tons larger and a better sea boat.

The ship is mainly intended for fleet action.


Displacement:
   3 850 t light; 4 093 t standard; 4 780 t normal; 5 329 t full load

Dimensions: Length overall / water x beam x draught
   414,60 ft / 393,70 ft x 42,65 ft x 18,04 ft (normal load)
   126,37 m / 120,00 m x 13,00 m  x 5,50 m

Armament:
      6 - 5,91" / 150 mm guns (4 mounts), 99,21lbs / 45,00kg shells, 1908 Model
     Breech loading guns in deck mounts with hoists
     on centreline ends, evenly spread, 3 raised mounts - superfiring
      4 - 5,91" / 150 mm guns in single mounts, 99,21lbs / 45,00kg shells, 1908 Model
     Breech loading guns in deck mounts with hoists
     on side, evenly spread
      8 - 0,31" / 8,0 mm guns in single mounts, 0,02lbs / 0,01kg shells, 1908 Model
     Machine guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 992 lbs / 450 kg
   Shells per gun, main battery: 250
   2 - 17,7" / 450 mm submerged torpedo tubes

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   2,76" / 70 mm   316,60 ft / 96,50 m   7,87 ft / 2,40 m
   Ends:   Unarmoured
     Main Belt covers 124 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   1,38" / 35 mm         -         1,97" / 50 mm
   2nd:   1,38" / 35 mm         -         1,97" / 50 mm
   3rd:   0,20" / 5 mm         -               -

   - Armour deck: 0,98" / 25 mm, Conning tower: 2,95" / 75 mm

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 4 shafts, 28 311 shp / 21 120 Kw = 26,00 kts
   Range 8 028nm at 12,00 kts
   Bunker at max displacement = 1 236 tons

Complement:
   286 - 373

Cost:
   £0,423 million / $1,692 million

Distribution of weights at normal displacement:
   Armament: 129 tons, 2,7 %
   Armour: 565 tons, 11,8 %
      - Belts: 279 tons, 5,8 %
      - Torpedo bulkhead: 0 tons, 0,0 %
      - Armament: 54 tons, 1,1 %
      - Armour Deck: 214 tons, 4,5 %
      - Conning Tower: 18 tons, 0,4 %
   Machinery: 1 287 tons, 26,9 %
   Hull, fittings & equipment: 1 569 tons, 32,8 %
   Fuel, ammunition & stores: 930 tons, 19,4 %
   Miscellaneous weights: 300 tons, 6,3 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     3 537 lbs / 1 604 Kg = 34,3 x 5,9 " / 150 mm shells or 0,8 torpedoes
   Stability (Unstable if below 1.00): 1,14
   Metacentric height 1,8 ft / 0,5 m
   Roll period: 13,4 seconds
   Steadiness   - As gun platform (Average = 50 %): 54 %
         - Recoil effect (Restricted arc if above 1.00): 0,70
   Seaboat quality  (Average = 1.00): 1,09

Hull form characteristics:
   Hull has rise forward of midbreak
   Block coefficient: 0,552
   Length to Beam Ratio: 9,23 : 1
   'Natural speed' for length: 19,84 kts
   Power going to wave formation at top speed: 59 %
   Trim (Max stability = 0, Max steadiness = 100): 50
   Bow angle (Positive = bow angles forward): 45,00 degrees
   Stern overhang: 0,00 ft / 0,00 m
   Freeboard (% = measuring location as a percentage of overall length):
      - Stem:      20,90 ft / 6,37 m
      - Forecastle (20 %):   19,03 ft / 5,80 m
      - Mid (52 %):      19,03 ft / 5,80 m (10,83 ft / 3,30 m aft of break)
      - Quarterdeck (15 %):   10,83 ft / 3,30 m
      - Stern:      10,83 ft / 3,30 m
      - Average freeboard:   15,24 ft / 4,65 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 121,5 %
      - Above water (accommodation/working, high = better): 116,2 %
   Waterplane Area: 11 742 Square feet or 1 091 Square metres
   Displacement factor (Displacement / loading): 107 %
   Structure weight / hull surface area: 76 lbs/sq ft or 374 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,93
      - Longitudinal: 1,92
      - Overall: 1,00
   Hull space for machinery, storage, compartmentation is cramped
   Room for accommodation and workspaces is adequate

[Borys]

Ahoj!
Still doesn't fit 120m drydocks :)
Over-armed :D

IMO would be much better with 8x6inch.

Apart from that - quite nice.

Borys

[swamphen]

Still doesn't fit 120m drydocks :)

Well it's always been my understanding that the slip and drydock lengths are given as LWL, with enough "breathing space" that, barring a truly massive ram bow*, bow and stern overhangs don't matter.


* Starts getting ideas for the Afrikaflotte...  ;D

[Borys]

Still doesn't fit 120m drydocks :)

Well it's always been my understanding that the slip and drydock lengths are given as LWL, with enough "breathing space" that, barring a truly massive ram bow*, bow and stern overhangs don't matter.

OK - you've been on Navalism longer me - but my understanding was that the slip and drydock lengths are total lengths ...
:)
Thus IMO a 120m DD will take a ship up to 115? 117? metres long, this including all possible overhangs etc.
Borys

[Korpen]

Still doesn't fit 120m drydocks :)

Well it's always been my understanding that the slip and drydock lengths are given as LWL, with enough "breathing space" that, barring a truly massive ram bow*, bow and stern overhangs don't matter.

OK - you've been on Navalism longer me - but my understanding was that the slip and drydock lengths are total lengths ...
:)
Thus IMO a 120m DD will take a ship up to 115? 117? metres long, this including all possible overhangs etc.
Borys

I took for granted it was WL length that counted as the amount of overhang has no effect on the ship in springsharp.
I used a clipped bow and rear overhang purely out of esthetic reason, as I like that look better. I could give har straight bow and stern, it does not affect the sim of the ship.

[Korpen]

Removed one gun and used the weight saved to deepen the belt and raise the freeboard a bit more.
The broadside is kept intact by mounting one more gun on the centreline, and most of the guns have excellent firing arcs, C & D gun can fire almost directly aft, and thanks to the high position of the wing guns she can fire four guns directly aft/forward.


Displacement:
   3 850 t light; 4 074 t standard; 4 759 t normal; 5 307 t full load

Dimensions: Length overall / water x beam x draught
   393,70 ft / 393,70 ft x 42,65 ft x 18,04 ft (normal load)
   120,00 m / 120,00 m x 13,00 m  x 5,50 m

Armament:
      7 - 5,91" / 150 mm guns in single mounts, 99,21lbs / 45,00kg shells, 1908 Model
     Breech loading guns in deck mounts with hoists
     on centreline ends, majority aft, 4 raised mounts - superfiring
      2 - 5,91" / 150 mm guns in single mounts, 99,21lbs / 45,00kg shells, 1908 Model
     Breech loading guns in deck mounts with hoists
     on side, all amidships
      4 - 0,31" / 8,0 mm guns in single mounts, 0,02lbs / 0,01kg shells, 1908 Model
     Machine guns in deck mounts
     on side, evenly spread, all raised mounts
   Weight of broadside 893 lbs / 405 kg
   Shells per gun, main battery: 250
   2 - 17,7" / 450 mm submerged torpedo tubes

Armour:
   - Belts:      Width (max)   Length (avg)      Height (avg)
   Main:   2,76" / 70 mm   308,40 ft / 94,00 m   9,19 ft / 2,80 m
   Ends:   Unarmoured
     Main Belt covers 121 % of normal length

   - Gun armour:   Face (max)   Other gunhouse (avg)   Barbette/hoist (max)
   Main:   1,38" / 35 mm         -         1,97" / 50 mm
   2nd:   1,38" / 35 mm         -         1,97" / 50 mm

   - Armour deck: 0,98" / 25 mm, Conning tower: 2,95" / 75 mm

Machinery:
   Oil fired boilers, steam turbines,
   Direct drive, 4 shafts, 28 204 shp / 21 040 Kw = 26,00 kts
   Range 8 028nm at 12,00 kts
   Bunker at max displacement = 1 233 tons

Complement:
   286 - 372

Cost:
   £0,412 million / $1,646 million

Distribution of weights at normal displacement:
   Armament: 116 tons, 2,4 %
   Armour: 596 tons, 12,5 %
      - Belts: 318 tons, 6,7 %
      - Torpedo bulkhead: 0 tons, 0,0 %
      - Armament: 46 tons, 1,0 %
      - Armour Deck: 213 tons, 4,5 %
      - Conning Tower: 18 tons, 0,4 %
   Machinery: 1 282 tons, 26,9 %
   Hull, fittings & equipment: 1 556 tons, 32,7 %
   Fuel, ammunition & stores: 909 tons, 19,1 %
   Miscellaneous weights: 300 tons, 6,3 %

Overall survivability and seakeeping ability:
   Survivability (Non-critical penetrating hits needed to sink ship):
     3 664 lbs / 1 662 Kg = 35,6 x 5,9 " / 150 mm shells or 0,8 torpedoes
   Stability (Unstable if below 1.00): 1,14
   Metacentric height 1,8 ft / 0,5 m
   Roll period: 13,5 seconds
   Steadiness   - As gun platform (Average = 50 %): 57 %
         - Recoil effect (Restricted arc if above 1.00): 0,68
   Seaboat quality  (Average = 1.00): 1,14

Hull form characteristics:
   Hull has rise forward of midbreak
   Block coefficient: 0,550
   Length to Beam Ratio: 9,23 : 1
   'Natural speed' for length: 19,84 kts
   Power going to wave formation at top speed: 59 %
   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:      20,90 ft / 6,37 m
      - Forecastle (20 %):   19,36 ft / 5,90 m
      - Mid (50 %):      19,36 ft / 5,90 m (11,48 ft / 3,50 m aft of break)
      - Quarterdeck (15 %):   11,48 ft / 3,50 m
      - Stern:      11,48 ft / 3,50 m
      - Average freeboard:   15,54 ft / 4,74 m
   Ship tends to be wet forward

Ship space, strength and comments:
   Space   - Hull below water (magazines/engines, low = better): 119,3 %
      - Above water (accommodation/working, high = better): 118,0 %
   Waterplane Area: 11 716 Square feet or 1 088 Square metres
   Displacement factor (Displacement / loading): 108 %
   Structure weight / hull surface area: 75 lbs/sq ft or 367 Kg/sq metre
   Hull strength (Relative):
      - Cross-sectional: 0,92
      - Longitudinal: 2,00
      - Overall: 1,00
   Hull space for machinery, storage, compartmentation is cramped
   Room for accommodation and workspaces is adequate