Vengeance class battlecruisers
Vengeance and Glory as rebuilt
Vengeance, Atlantean Battlecruiser laid down 1918 (Engine 1936)
Displacement:
39,572 t light; 41,519 t standard; 45,176 t normal; 48,101 t full load
Dimensions: Length overall / water x beam x draught
838.06 ft / 825.00 ft x 92.00 ft (Bulges 112.00 ft) x 31.00 ft (normal load)
255.44 m / 251.46 m x 28.04 m (Bulges 34.14 m) x 9.45 m
Armament:
8 - 14.00" / 356 mm guns (4x2 guns), 1,372.00lbs / 622.33kg shells, 1918 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
24 - 5.10" / 130 mm guns (12x2 guns), 66.33lbs / 30.09kg shells, 1935 Model
Dual purpose guns in turrets (on barbettes)
on side, evenly spread, all raised mounts
18 - 1.58" / 40.0 mm guns (9 mounts), 1.95lbs / 0.88kg shells, 1935 Model
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread, all raised mounts
24 - 0.79" / 20.0 mm guns (8x3 guns), 0.24lbs / 0.11kg shells, 1935 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
12 - 0.50" / 12.7 mm guns (6x2 guns), 0.06lbs / 0.03kg shells, 1935 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 12,610 lbs / 5,720 kg
Shells per gun, main battery: 145
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 15.0" / 381 mm 580.00 ft / 176.78 m 18.00 ft / 5.49 m
Ends: 1.58" / 40 mm 100.00 ft / 30.48 m 10.00 ft / 3.05 m
145.00 ft / 44.20 m Unarmoured ends
Upper: 2.95" / 75 mm 500.00 ft / 152.40 m 10.00 ft / 3.05 m
Main Belt covers 108 % of normal length
- Torpedo Bulkhead and Bulges:
2.35" / 60 mm 680.00 ft / 207.26 m 26.50 ft / 8.08 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 14.0" / 356 mm 10.0" / 254 mm 12.0" / 305 mm
2nd: 2.00" / 51 mm 1.00" / 25 mm 1.58" / 40 mm
3rd: 0.50" / 13 mm - -
4th: 0.30" / 8 mm - -
5th: 0.15" / 4 mm - -
- Armour deck: 5.25" / 133 mm, Conning tower: 3.95" / 100 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 156,000 shp / 116,376 Kw = 30.01 kts
Range 12,000nm at 15.00 kts
Bunker at max displacement = 6,583 tons
Complement:
1,549 - 2,014
Cost:
£6.644 million / $26.574 million
Distribution of weights at normal displacement:
Armament: 1,576 tons, 3.5 %
Armour: 17,270 tons, 38.2 %
- Belts: 7,201 tons, 15.9 %
- Torpedo bulkhead: 1,567 tons, 3.5 %
- Armament: 3,240 tons, 7.2 %
- Armour Deck: 5,154 tons, 11.4 %
- Conning Tower: 108 tons, 0.2 %
Machinery: 4,377 tons, 9.7 %
Hull, fittings & equipment: 15,949 tons, 35.3 %
Fuel, ammunition & stores: 5,604 tons, 12.4 %
Miscellaneous weights: 400 tons, 0.9 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
71,671 lbs / 32,509 Kg = 52.2 x 14.0 " / 356 mm shells or 13.4 torpedoes
Stability (Unstable if below 1.00): 1.11
Metacentric height 5.4 ft / 1.7 m
Roll period: 20.2 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0.47
Seaboat quality (Average = 1.00): 1.22
Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.552
Length to Beam Ratio: 7.37 : 1
'Natural speed' for length: 28.72 kts
Power going to wave formation at top speed: 50 %
Trim (Max stability = 0, Max steadiness = 100): 58
Bow angle (Positive = bow angles forward): 25.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 28.00 ft / 8.53 m
- Forecastle (20 %): 26.00 ft / 7.92 m
- Mid (70 %): 26.00 ft / 7.92 m (18.00 ft / 5.49 m aft of break)
- Quarterdeck (15 %): 18.00 ft / 5.49 m
- Stern: 19.00 ft / 5.79 m
- Average freeboard: 23.84 ft / 7.26 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 76.9 %
- Above water (accommodation/working, high = better): 157.6 %
Waterplane Area: 53,069 Square feet or 4,930 Square metres
Displacement factor (Displacement / loading): 116 %
Structure weight / hull surface area: 191 lbs/sq ft or 933 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.99
- Longitudinal: 1.08
- 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
Good seaboat, rides out heavy weather easily
200 tons for future growth
100 tons for two aircraft, one cross deck catapult and two crane's
50 tons for electronics
50 tons for flagship station
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Vengeance, Glory as built
Atlantis Battlecruiser laid down 1918
Displacement:
36,635 t light; 38,483 t standard; 41,142 t normal; 43,269 t full load
Dimensions: Length overall / water x beam x draught
838.06 ft / 825.00 ft x 92.00 ft (Bulges 102.00 ft) x 31.00 ft (normal load)
255.44 m / 251.46 m x 28.04 m (Bulges 31.09 m) x 9.45 m
Armament:
8 - 14.00" / 356 mm guns in single mounts, 1,377.89lbs / 625.00kg shells, 1918 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 4 raised mounts - superfiring
12 - 5.50" / 140 mm guns in single mounts, 83.78lbs / 38.00kg shells, 1918 Model
Breech loading guns in casemate mounts
on side, evenly spread
4 - 5.50" / 140 mm guns in single mounts, 83.78lbs / 38.00kg shells, 1918 Model
Breech loading guns in deck mounts
on side, evenly spread, all raised mounts
6 - 3.00" / 76.2 mm guns in single mounts, 13.50lbs / 6.12kg shells, 1918 Model
Breech loading guns in deck mounts
on side, evenly spread
10 - 1.00" / 25.4 mm guns in single mounts, 0.50lbs / 0.23kg shells, 1918 Model
Breech loading guns in deck mounts
on side, evenly spread
Weight of broadside 12,450 lbs / 5,647 kg
Shells per gun, main battery: 145
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 12.0" / 305 mm 580.00 ft / 176.78 m 18.00 ft / 5.49 m
Ends: 3.00" / 76 mm 100.00 ft / 30.48 m 10.00 ft / 3.05 m
145.00 ft / 44.20 m Unarmoured ends
Upper: 5.00" / 127 mm 500.00 ft / 152.40 m 10.00 ft / 3.05 m
Main Belt covers 108 % of normal length
- Torpedo Bulkhead and Bulges:
1.00" / 25 mm 680.00 ft / 207.26 m 26.50 ft / 8.08 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 14.0" / 356 mm 10.0" / 254 mm 12.0" / 305 mm
2nd: 4.54" / 115 mm 2.54" / 65 mm -
3rd: 4.50" / 114 mm 1.00" / 25 mm -
- Armour deck: 3.54" / 90 mm, Conning tower: 12.00" / 305 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 164,918 shp / 123,029 Kw = 31.00 kts
Range 7,200nm at 15.00 kts
Bunker at max displacement = 4,786 tons
Complement:
1,443 - 1,877
Cost:
£6.833 million / $27.331 million
Distribution of weights at normal displacement:
Armament: 1,549 tons, 3.8 %
Armour: 14,485 tons, 35.2 %
- Belts: 6,388 tons, 15.5 %
- Torpedo bulkhead: 667 tons, 1.6 %
- Armament: 3,647 tons, 8.9 %
- Armour Deck: 3,476 tons, 8.4 %
- Conning Tower: 308 tons, 0.7 %
Machinery: 5,949 tons, 14.5 %
Hull, fittings & equipment: 14,602 tons, 35.5 %
Fuel, ammunition & stores: 4,507 tons, 11.0 %
Miscellaneous weights: 50 tons, 0.1 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
51,077 lbs / 23,168 Kg = 37.2 x 14.0 " / 356 mm shells or 7.0 torpedoes
Stability (Unstable if below 1.00): 1.03
Metacentric height 4.7 ft / 1.4 m
Roll period: 19.7 seconds
Steadiness - As gun platform (Average = 50 %): 71 %
- Recoil effect (Restricted arc if above 1.00): 0.63
Seaboat quality (Average = 1.00): 1.16
Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.552
Length to Beam Ratio: 8.09 : 1
'Natural speed' for length: 28.72 kts
Power going to wave formation at top speed: 51 %
Trim (Max stability = 0, Max steadiness = 100): 61
Bow angle (Positive = bow angles forward): 25.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 28.00 ft / 8.53 m
- Forecastle (20 %): 26.00 ft / 7.92 m
- Mid (50 %): 26.00 ft / 7.92 m
- Quarterdeck (15 %): 18.00 ft / 5.49 m
- Stern: 19.00 ft / 5.79 m
- Average freeboard: 23.64 ft / 7.20 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 98.0 %
- Above water (accommodation/working, high = better): 167.0 %
Waterplane Area: 53,069 Square feet or 4,930 Square metres
Displacement factor (Displacement / loading): 106 %
Structure weight / hull surface area: 180 lbs/sq ft or 877 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.00
- Longitudinal: 1.01
- Overall: 1.00
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
50 tons for future growth