Voici les SpringShap du VdT---------------------------------------------------Von der Tann, Germany Baltic Pocket Battleship laid down 1929Displacement:
11 299 t light; 11 890 t standard; 12 187 t normal; 12 424 t full load
Dimensions: Length overall / water x beam x draught
554.46 ft / 544.62 ft x 68.90 ft x 22.51 ft (normal load)
169.00 m / 166.00 m x 21.00 m x 6.86 m
Armament:
6 - 11.02" / 280 mm guns (2x3 guns), 669.80lbs / 303.82kg shells, 1929 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread
6 - 5.91" / 150 mm guns (2x3 guns), 102.98lbs / 46.71kg shells, 1929 Model
Breech loading guns in turrets (on barbettes)
on side, evenly spread
6 - 3.46" / 88.0 mm guns (3x2 guns), 20.79lbs / 9.43kg shells, 1929 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 2 raised mounts
8 - 1.46" / 37.0 mm guns (4x2 guns), 1.55lbs / 0.70kg shells, 1929 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 2 raised mounts
8 - 0.79" / 20.0 mm guns in single mounts, 0.24lbs / 0.11kg shells, 1929 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 4 776 lbs / 2 166 kg
Shells per gun, main battery: 127
8 - 21.0" / 533 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 10.6" / 270 mm 344.49 ft / 105.00 m 8.63 ft / 2.63 m
Ends: 1.57" / 40 mm 124.67 ft / 38.00 m 7.22 ft / 2.20 m
75.46 ft / 23.00 m Unarmoured ends
Main Belt covers 97 % of normal length
- Torpedo Bulkhead:
1.57" / 40 mm 344.49 ft / 105.00 m 21.52 ft / 6.56 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 10.6" / 270 mm 3.94" / 100 mm 10.2" / 260 mm
2nd: 3.94" / 100 mm 1.18" / 30 mm 3.94" / 100 mm
3rd: 0.79" / 20 mm - -
- Armour deck: 3.94" / 100 mm, Conning tower: 10.63" / 270 mm
Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 37 200 shp / 27 751 Kw = 24.85 kts
Range 2 000nm at 14.00 kts
Bunker at max displacement = 534 tons
Complement:
579 - 753
Cost:
£4.227 million / $16.910 million
Distribution of weights at normal displacement:
Armament: 597 tons, 4.9 %
Armour: 4 622 tons, 37.9 %
- Belts: 1 403 tons, 11.5 %
- Torpedo bulkhead: 432 tons, 3.5 %
- Armament: 836 tons, 6.9 %
- Armour Deck: 1 829 tons, 15.0 %
- Conning Tower: 121 tons, 1.0 %
Machinery: 1 143 tons, 9.4 %
Hull, fittings & equipment: 4 907 tons, 40.3 %
Fuel, ammunition & stores: 888 tons, 7.3 %
Miscellaneous weights: 30 tons, 0.2 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
17 038 lbs / 7 728 Kg = 25.4 x 11.0 " / 280 mm shells or 3.4 torpedoes
Stability (Unstable if below 1.00): 1.05
Metacentric height 3.1 ft / 1.0 m
Roll period: 16.4 seconds
Steadiness - As gun platform (Average = 50 %): 73 %
- Recoil effect (Restricted arc if above 1.00): 0.68
Seaboat quality (Average = 1.00): 1.22
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.505
Length to Beam Ratio: 7.90 : 1
'Natural speed' for length: 23.34 kts
Power going to wave formation at top speed: 48 %
Trim (Max stability = 0, Max steadiness = 100): 60
Bow angle (Positive = bow angles forward): 5.00 degrees
Stern overhang: 7.71 ft / 2.35 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 24.34 ft / 7.42 m
- Forecastle (20 %): 17.78 ft / 5.42 m
- Mid (40 %): 14.50 ft / 4.42 m
- Quarterdeck (20 %): 14.50 ft / 4.42 m
- Stern: 14.50 ft / 4.42 m
- Average freeboard: 16.01 ft / 4.88 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 96.8 %
- Above water (accommodation/working, high = better): 106.1 %
Waterplane Area: 25 115 Square feet or 2 333 Square metres
Displacement factor (Displacement / loading): 104 %
Structure weight / hull surface area: 133 lbs/sq ft or 652 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.38
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily
Von der Tann, Germany Baltic Pocket Battleship laid down 1929Rebuilt in 1937Von der Tann, germany Baltic Battleship laid down 1929
Displacement:
13 297 t light; 14 000 t standard; 14 532 t normal; 14 958 t full load
Dimensions: Length overall / water x beam x draught
560.24 ft / 544.62 ft x 68.90 ft (Bulges 82.16 ft) x 22.51 ft (normal load)
170.76 m / 166.00 m x 21.00 m (Bulges 25.04 m) x 6.86 m
Armament:
4 - 14.96" / 380 mm guns (2x2 guns), 1 674.25lbs / 759.43kg shells, 1929 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread
6 - 5.91" / 150 mm guns (2x3 guns), 102.98lbs / 46.71kg shells, 1929 Model
Breech loading guns in turrets (on barbettes)
on side, evenly spread
6 - 4.13" / 105 mm guns (3x2 guns), 35.32lbs / 16.02kg shells, 1929 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 2 raised mounts
8 - 1.46" / 37.0 mm guns (4x2 guns), 1.55lbs / 0.70kg shells, 1929 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 2 raised mounts
32 - 0.79" / 20.0 mm guns (14 mounts in 1943), 0.24lbs / 0.11kg shells, 1929 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 8 raised mounts
Weight of broadside 7 547 lbs / 3 423 kg
Shells per gun, main battery: 96
8 - 21.0" / 533 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 10.6" / 270 mm 344.49 ft / 105.00 m 8.63 ft / 2.63 m
Ends: 1.57" / 40 mm 157.48 ft / 48.00 m 7.22 ft / 2.20 m
42.65 ft / 13.00 m Unarmoured ends
Main Belt covers 97 % of normal length
- Torpedo Bulkhead and Bulges:
Bulkhead 40mm + Bulge 25mm
2.56" / 65 mm 344.49 ft / 105.00 m 21.52 ft / 6.56 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 10.6" / 270 mm 3.94" / 100 mm 10.2" / 260 mm
2nd: 3.94" / 100 mm 1.18" / 30 mm 3.94" / 100 mm
3rd: 0.79" / 20 mm - -
- Armour deck: 3.94" / 100 mm, Conning tower: 10.63" / 270 mm
Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 37 200 shp / 27 751 Kw = 24.03 kts
Range 3 500nm at 14.00 kts
Bunker at max displacement = 958 tons
(424 tons add in new tanks in the bulges)
Complement:
661 - 860
Cost:
£5.671 million / $22.685 million
Distribution of weights at normal displacement:
Armament: 943 tons, 6.5 %
Armour: 5 032 tons, 34.6 %
- Belts: 1 417 tons, 9.8 %
- Torpedo bulkhead: 702 tons, 4.8 %
- Armament: 947 tons, 6.5 %
- Armour Deck: 1 829 tons, 12.6 %
- Conning Tower: 136 tons, 0.9 %
Machinery: 1 142 tons, 7.9 %
Hull, fittings & equipment: 6 140 tons, 42.2 %
Fuel, ammunition & stores: 1 235 tons, 8.5 %
Miscellaneous weights: 40 tons, 0.3 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
17 984 lbs / 8 157 Kg = 10.7 x 15.0 " / 380 mm shells or 3.8 torpedoes
Stability (Unstable if below 1.00): 1.13
Metacentric height 3.6 ft / 1.1 m
Roll period: 18.2 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.53
Seaboat quality (Average = 1.00): 1.16
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.505
Length to Beam Ratio: 6.63 : 1
'Natural speed' for length: 23.34 kts
Power going to wave formation at top speed: 49 %
Trim (Max stability = 0, Max steadiness = 100): 60
Bow angle (Positive = bow angles forward): 18.00 degrees
Stern overhang: 7.71 ft / 2.35 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 24.34 ft / 7.42 m
- Forecastle (20 %): 17.78 ft / 5.42 m
- Mid (40 %): 14.50 ft / 4.42 m
- Quarterdeck (20 %): 14.50 ft / 4.42 m
- Stern: 14.50 ft / 4.42 m
- Average freeboard: 16.01 ft / 4.88 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 105.3 %
- Above water (accommodation/working, high = better): 92.9 %
Waterplane Area: 25 115 Square feet or 2 333 Square metres
Displacement factor (Displacement / loading): 98 %
Structure weight / hull surface area: 160 lbs/sq ft or 781 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.40
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Jef