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主炮后置流 大选帝侯级, 德国
袖珍战列舰 laid down 1935
Displacement:
35,531 t light; 37,847 t standard; 42,923 t normal; 46,984 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(771.90 ft / 754.59 ft) x 104.99 ft x (32.81 / 35.31 ft)
(235.28 m / 230.00 m) x 32.00 m x (10.00 / 10.76 m)
Armament: 8 - 14.96" / 380 mm 55.0 cal guns - 1,807.18lbs / 819.72kg shells, 150 per gun
Breech loading guns in turret on barbette mounts, 1934 Model
2 x 4 row quad mounts on centreline, aft evenly spread
1 raised mount aft
12 - 5.91" / 150 mm 60.0 cal guns - 112.79lbs / 51.16kg shells, 200 per gun
Quick firing guns in turret on barbette mounts, 1934 Model
3 x 3-gun mounts on centreline, forward evenly spread
1 raised mount
12 - 4.13" / 105 mm 45.0 cal guns - 35.62lbs / 16.16kg shells, 250 per gun
Anti-air guns in turret on barbette mounts, 1934 Model
6 x 2 row twin mounts on sides, evenly spread
2 raised mounts
27 - 1.46" / 37.0 mm 45.0 cal guns - 1.56lbs / 0.71kg shells, 1,500 per gun
Anti-air guns in deck mounts, 1934 Model
9 x 3-gun mounts on sides, evenly spread
5 raised mounts
40 - 0.79" / 20.0 mm 45.0 cal guns - 0.25lbs / 0.11kg shells, 1,500 per gun
Anti-air guns in deck mounts, 1934 Model
10 x 4 row quad mounts on sides, evenly spread
5 raised mounts
Weight of broadside 16,290 lbs / 7,389 kg Armour: - Belts:
Width (max)
Length (avg)
Height (avg)
Main:
10.2" / 260 mm
492.13 ft / 150.00 m
17.06 ft / 5.20 m
Ends:
2.36" / 60 mm
196.85 ft / 60.00 m
17.06 ft / 5.20 m
65.62 ft / 20.00 m Unarmoured ends
Upper:
1.77" / 45 mm
492.13 ft / 150.00 m
8.53 ft / 2.60 m
Main Belt covers 100% of normal length
Main Belt inclined 20.00 degrees (positive = in)
- Torpedo Bulkhead - Strengthened structural bulkheads:
2.76" / 70 mm
492.13 ft / 150.00 m
32.81 ft / 10.00 m
Beam between torpedo bulkheads 78.74 ft / 24.00 m
- Hull void:
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:
14.2" / 360 mm
5.91" / 150 mm
13.4" / 340 mm
2nd:
5.91" / 150 mm
4.72" / 120 mm
5.91" / 150 mm
3rd:
1.18" / 30 mm
1.18" / 30 mm
1.18" / 30 mm
4th:
0.79" / 20 mm
-
-
5th:
0.79" / 20 mm
-
-
- Protected deck - multiple decks:
For and Aft decks: 5.51" / 140 mm
Forecastle: 0.79" / 20 mm Quarter deck: 0.79" / 20 mm
- Conning towers: Forward 14.96" / 380 mm, Aft 7.87" / 200 mm Machinery:
Oil fired boilers, steam turbines, plus diesel motors,
Geared drive, 3 shafts, 157,382 shp / 117,407 Kw = 32.00 kts
Range 10,000nm at 19.00 kts
Bunker at max displacement = 9,137 tons
Complement:
1,490 - 1,938
Cost:
£18.325 million / $73.299 million
Distribution of weights at normal displacement:
Armament: 4,243 tons, 9.9%
- Guns: 4,243 tons, 9.9%
Armour: 13,285 tons, 31.0%
- Belts: 4,293 tons, 10.0%
- Torpedo bulkhead: 1,646 tons, 3.8%
- Armament: 2,210 tons, 5.1%
- Armour Deck: 4,533 tons, 10.6%
- Conning Towers: 603 tons, 1.4%
Machinery: 4,471 tons, 10.4%
Hull, fittings & equipment: 13,382 tons, 31.2%
Fuel, ammunition & stores: 7,392 tons, 17.2%
Miscellaneous weights: 150 tons, 0.3%
- Hull below water: 30 tons
- Hull void weights: 30 tons
- Hull above water: 30 tons
- On freeboard deck: 30 tons
- Above deck: 30 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
55,529 lbs / 25,187 Kg = 33.2 x 15.0 " / 380 mm shells or 8.8 torpedoes
Stability (Unstable if below 1.00): 1.06
Metacentric height 6.0 ft / 1.8 m
Roll period: 18.0 seconds
Steadiness
- As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.79
Seaboat quality (Average = 1.00): 1.11
Hull form characteristics:
Hull has rise forward of midbreak,
a ram bow and a cruiser stern
Block coefficient (normal/deep): 0.578 / 0.588
Length to Beam Ratio: 7.19 : 1
'Natural speed' for length: 27.47 kts
Power going to wave formation at top speed: 54 %
Trim (Max stability = 0, Max steadiness = 100): 63
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 6.56 ft / 2.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end,
Aft end
- Forecastle:
30.00%, 29.53 ft / 9.00 m, 25.59 ft / 7.80 m
- Forward deck:
40.00%, 25.59 ft / 7.80 m, 25.59 ft / 7.80 m
- Aft deck:
15.00%, 17.06 ft / 5.20 m, 17.06 ft / 5.20 m
- Quarter deck:
15.00%, 17.06 ft / 5.20 m, 17.06 ft / 5.20 m
- Average freeboard:
23.50 ft / 7.16 m
Ship tends to be wet forward
Ship space, strength and comments:
Space
- Hull below water (magazines/engines, low = better): 99.1%
- Above water (accommodation/working, high = better): 168.8%
Waterplane Area: 56,760 Square feet or 5,273 Square metres
Displacement factor (Displacement / loading): 107%
Structure weight / hull surface area: 212 lbs/sq ft or 1,035 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.95
- Longitudinal: 1.54
- Overall: 1.00
Adequate machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
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