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Coastal defense ships
http://67.205.157.234/forums/viewtopic.php?f=15&t=2678		 Page 1 of 2
Author:  heuhen [ February 19th, 2012, 9:23 pm ]
Post subject:  Coastal defense ships
This one is a new one from me:

[ img ]

I used mostly this SS for the drawing:
mr. Hit me Hard, Norway Coastal defense ship laid down 1938

Displacement:
6 009 t light; 6 470 t standard; 6 815 t normal; 7 091 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(316,93 ft / 308,81 ft) x 55,12 ft x (17,72 / 18,37 ft)
(96,60 m / 94,13 m) x 16,80 m x (5,40 / 5,60 m)

Armament:
4 - 10,00" / 254 mm 50,0 cal guns - 529,32lbs / 240,10kg shells, 150 per gun
Breech loading guns in turret on barbette mounts, 1938 Model
1 x Single mount on centreline, forward deck forward
1 x Single mount on centreline, aft deck aft
Main guns limited to end-on fire
8 - 6,00" / 152 mm 50,0 cal guns - 114,33lbs / 51,86kg shells, 250 per gun
Dual purpose guns in turret on barbette mounts, 1938 Model
2 x Twin mounts on sides amidships
2 x Twin mounts on centreline, evenly spread
2 raised mounts
6 - 3,00" / 76,2 mm 45,0 cal guns - 13,62lbs / 6,18kg shells, 400 per gun
Dual purpose guns in deck mounts, 1938 Model
4 x Single mounts on sides amidships
2 x Single mounts on centreline, evenly spread
2 double raised mounts
16 - 0,79" / 20,0 mm 35,0 cal guns - 0,23lbs / 0,10kg shells, 1 500 per gun
Anti-air guns in deck mounts, 1938 Model
8 x Single mounts on sides amidships
Weight of broadside 3 117 lbs / 1 414 kg

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 7,00" / 178 mm 231,61 ft / 70,59 m 8,91 ft / 2,72 m
Ends: 3,00" / 76 mm 77,18 ft / 23,52 m 8,91 ft / 2,72 m
Upper: 3,00" / 76 mm 231,61 ft / 70,59 m 8,00 ft / 2,44 m
Main Belt covers 115 % of normal length

- Torpedo Bulkhead:
4,00" / 102 mm 231,61 ft / 70,59 m 17,27 ft / 5,26 m

- Hull Bulges:
0,00" / 0 mm 0,00 ft / 0,00 m 0,00 ft / 0,00 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 9,00" / 229 mm 3,00" / 76 mm 8,00" / 203 mm
2nd: 8,00" / 203 mm 3,00" / 76 mm 8,00" / 203 mm
3rd: 2,00" / 51 mm - -
4th: 0,05" / 1 mm - -

- Armoured deck - multiple decks: 3,00" / 76 mm For and Aft decks
Forecastle: 3,00" / 76 mm Quarter deck: 3,00" / 76 mm

- Conning towers: Forward 8,00" / 203 mm, Aft 0,00" / 0 mm

Machinery:
Coal fired boilers, reciprocating cruising steam engines plus steam turbines,
Geared drive, 2 shafts, 8 281 ihp / 6 178 Kw = 17,00 kts
Range 3 000nm at 12,00 kts
Bunker at max displacement = 621 tons (100% coal)

Complement:
374 - 487

Cost:
£3,255 million / $13,020 million

Distribution of weights at normal displacement:
Armament: 917 tons, 13,5 %
Armour: 3 323 tons, 48,8 %
- Belts: 960 tons, 14,1 %
- Torpedo bulkhead: 592 tons, 8,7 %
- Armament: 878 tons, 12,9 %
- Armour Deck: 831 tons, 12,2 %
- Conning Tower: 62 tons, 0,9 %
Machinery: 334 tons, 4,9 %
Hull, fittings & equipment: 1 386 tons, 20,3 %
Fuel, ammunition & stores: 806 tons, 11,8 %
Miscellaneous weights: 50 tons, 0,7 %
- Hull below water: 10 tons
- Hull void weights: 10 tons
- Hull above water: 10 tons
- On freeboard deck: 10 tons
- Above deck: 10 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
8 883 lbs / 4 029 Kg = 17,8 x 10,0 " / 254 mm shells or 2,6 torpedoes
Stability (Unstable if below 1.00): 1,04
Metacentric height 2,2 ft / 0,7 m
Roll period: 15,6 seconds
Steadiness - As gun platform (Average = 50 %): 76 %
- Recoil effect (Restricted arc if above 1.00): 1,27
Seaboat quality (Average = 1.00): 1,43

Hull form characteristics:
Hull has a flush deck,
a normal bow and a round stern
Block coefficient (normal/deep): 0,791 / 0,794
Length to Beam Ratio: 5,60 : 1
'Natural speed' for length: 17,57 kts
Power going to wave formation at top speed: 55 %
Trim (Max stability = 0, Max steadiness = 100): 53
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: 10,00 %, 18,04 ft / 5,50 m, 16,40 ft / 5,00 m
- Forward deck: 40,00 %, 16,40 ft / 5,00 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, 18,04 ft / 5,50 m
- Average freeboard: 16,59 ft / 5,06 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): 124,0 %
Waterplane Area: 14 841 Square feet or 1 379 Square metres
Displacement factor (Displacement / loading): 96 %
Structure weight / hull surface area: 90 lbs/sq ft or 439 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,69
- Longitudinal: 2,21
- Overall: 0,77
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily



Her are some other I have done in the past:

A modern style Bjorgvin:
[ img ]

A monitor/Coastal defense ships:
[ img ]

And This is a Never build version of Bjorgvin class that became Gorgon class:
[ img ]
Author:  KillerGuppi [ February 19th, 2012, 9:27 pm ]
Post subject:  Re: Coastal defense ships
Holy shi**, those are really great! :shock:
Author:  heuhen [ February 19th, 2012, 9:43 pm ]
Post subject:  Re: Coastal defense ships
And just for the fun:
[ img ]

Sorry for the JPG, give some sec ... fixed!
Author:  bezobrazov [ February 19th, 2012, 10:41 pm ]
Post subject:  Re: Coastal defense ships
LOL what did you do, Heuhen? - Wash your super BB in too hot water on the wrong cycle and dried it in too hot temperature so it shrunk?
Author:  heuhen [ February 19th, 2012, 11:50 pm ]
Post subject:  Re: Coastal defense ships
bezobrazov wrote:
LOL what did you do, Heuhen? - Wash your super BB in too hot water on the wrong cycle and dried it in too hot temperature so it shrunk?
Basically yes :lol:
Author:  nighthunter [ February 20th, 2012, 1:50 am ]
Post subject:  Re: Coastal defense ships
WOW!
Author:  ALVAMA [ February 20th, 2012, 1:03 pm ]
Post subject:  Re: Coastal defense ships
hahahahahaha! Awesome!
Author:  Hood [ February 20th, 2012, 9:27 pm ]
Post subject:  Re: Coastal defense ships
An excellent series of very interesting designs.
Author:  heuhen [ February 21st, 2012, 8:36 pm ]
Post subject:  Re: Coastal defense ships
[ img ]


Yeah, Shipbucket CC laid down 1895

Displacement:
5 337 t light; 5 525 t standard; 5 880 t normal; 6 164 t full load

Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(307,97 ft / 299,77 ft) x 51,51 ft x (20,01 / 20,84 ft)
(93,87 m / 91,37 m) x 15,70 m x (6,10 / 6,35 m)

Armament:
4 - 7,09" / 180 mm 45,0 cal guns - 179,46lbs / 81,40kg shells, 100 per gun
Breech loading guns in Coles/Ericsson turret mounts, 1895 Model
1 x Twin mount on centreline, forward deck forward
1 x Twin mount on centreline, aft deck aft
4 - 2,99" / 76,0 mm 45,0 cal guns - 13,51lbs / 6,13kg shells, 500 per gun
Quick firing guns in deck mounts, 1895 Model
4 x Single mounts on sides, evenly spread
4 - 2,99" / 76,0 mm 45,0 cal guns - 13,51lbs / 6,13kg shells, 500 per gun
Breech loading guns in casemate mounts, 1895 Model
2 x Single mounts on sides, aft deck aft
2 x Single mounts on sides, forward deck forward
Weight of broadside 826 lbs / 375 kg

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 7,00" / 178 mm 194,85 ft / 59,39 m 9,61 ft / 2,93 m
Ends: 4,00" / 102 mm 104,90 ft / 31,97 m 9,61 ft / 2,93 m
Upper: 4,00" / 102 mm 194,85 ft / 59,39 m 9,00 ft / 2,74 m
Main Belt covers 100 % of normal length
Main belt does not fully cover magazines and engineering spaces

- Torpedo Bulkhead:
5,00" / 127 mm 194,85 ft / 59,39 m 19,30 ft / 5,88 m

- Hull Bulges:
0,00" / 0 mm 0,00 ft / 0,00 m 0,00 ft / 0,00 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 6,00" / 152 mm 2,00" / 51 mm -
2nd: 2,00" / 51 mm 2,00" / 51 mm -

- Armoured deck - multiple decks: 3,00" / 76 mm For and Aft decks
Forecastle: 2,00" / 51 mm Quarter deck: 2,00" / 51 mm

- Conning towers: Forward 8,00" / 203 mm, Aft 0,00" / 0 mm

Machinery:
Coal fired boilers, simple reciprocating steam engines,
Direct drive, 2 shafts, 5 673 ihp / 4 232 Kw = 16,00 kts
Range 2 500nm at 11,00 kts
Bunker at max displacement = 639 tons (100% coal)

Complement:
335 - 436

Cost:
£0,407 million / $1,627 million

Distribution of weights at normal displacement:
Armament: 181 tons, 3,1 %
Armour: 2 537 tons, 43,1 %
- Belts: 1 050 tons, 17,8 %
- Torpedo bulkhead: 696 tons, 11,8 %
- Armament: 106 tons, 1,8 %
- Armour Deck: 629 tons, 10,7 %
- Conning Tower: 56 tons, 1,0 %
Machinery: 1 051 tons, 17,9 %
Hull, fittings & equipment: 1 518 tons, 25,8 %
Fuel, ammunition & stores: 543 tons, 9,2 %
Miscellaneous weights: 50 tons, 0,9 %
- Hull below water: 10 tons
- Hull void weights: 10 tons
- Hull above water: 10 tons
- On freeboard deck: 10 tons
- Above deck: 10 tons

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
9 146 lbs / 4 149 Kg = 51,4 x 7,1 " / 180 mm shells or 2,2 torpedoes
Stability (Unstable if below 1.00): 1,37
Metacentric height 3,2 ft / 1,0 m
Roll period: 12,0 seconds
Steadiness - As gun platform (Average = 50 %): 93 %
- Recoil effect (Restricted arc if above 1.00): 0,29
Seaboat quality (Average = 1.00): 1,86

Hull form characteristics:
Hull has a flush deck,
a ram bow and a cruiser stern
Block coefficient (normal/deep): 0,666 / 0,670
Length to Beam Ratio: 5,82 : 1
'Natural speed' for length: 17,31 kts
Power going to wave formation at top speed: 50 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): -8,00 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 %, 16,73 ft / 5,10 m, 15,09 ft / 4,60 m
- Forward deck: 30,00 %, 15,09 ft / 4,60 m, 15,09 ft / 4,60 m
- Aft deck: 35,00 %, 15,09 ft / 4,60 m, 15,09 ft / 4,60 m
- Quarter deck: 15,00 %, 15,09 ft / 4,60 m, 16,40 ft / 5,00 m
- Average freeboard: 15,32 ft / 4,67 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 115,8 %
- Above water (accommodation/working, high = better): 103,0 %
Waterplane Area: 12 003 Square feet or 1 115 Square metres
Displacement factor (Displacement / loading): 109 %
Structure weight / hull surface area: 87 lbs/sq ft or 423 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0,97
- Longitudinal: 2,72
- Overall: 1,08
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
Author:  heuhen [ February 22nd, 2012, 2:22 pm ]
Post subject:  Re: Coastal defense ships
Was it that bad! hehe
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