All Bharat's construction until 1939 are already in the Encyclopedia. 1940 pretty much is set, more destroyers like the ones being laid down in 1939 plus two of these cruisers. Pretty much enlarged Vadadoras.
Chapra, India Heavy Cruiser laid down 1940
Displacement:
12,843 t light; 13,518 t standard; 15,317 t normal; 16,756 t full load
Dimensions: Length overall / water x beam x draught
673.36 ft / 656.17 ft x 68.90 ft x 23.62 ft (normal load)
205.24 m / 200.00 m x 21.00 m x 7.20 m
Armament:
8 - 9.84" / 250 mm guns (4x2 guns), 476.75lbs / 216.25kg shells, 1940 Model
Breech loading guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
8 - 4.92" / 125 mm guns (4x2 guns), 59.59lbs / 27.03kg shells, 1940 Model
Dual purpose guns in deck mounts with hoists
on side, all amidships
14 - 1.38" / 35.0 mm guns (7x2 guns), 1.31lbs / 0.59kg shells, 1940 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
24 - 0.59" / 15.0 mm guns (6x4 guns), 0.10lbs / 0.05kg shells, 1940 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 4,312 lbs / 1,956 kg
Shells per gun, main battery: 150
15 - 21.7" / 550 mm above water torpedoes
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 6.10" / 155 mm 426.51 ft / 130.00 m 9.97 ft / 3.04 m
Ends: Unarmoured
Main Belt covers 100% of normal length
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 8.27" / 210 mm 3.94" / 100 mm 8.27" / 210 mm
2nd: 1.57" / 40 mm 0.79" / 20 mm 1.18" / 30 mm
3rd: 0.79" / 20 mm - -
4th: 0.79" / 20 mm - -
- Armour deck: 1.77" / 45 mm, Conning tower: 5.12" / 130 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 92,401 shp / 68,931 Kw = 32.00 kts
Range 20,000nm at 12.00 kts
Bunker at max displacement = 3,238 tons
Complement:
687 - 894
Cost:
£7.489 million / $29.954 million
Distribution of weights at normal displacement:
Armament: 539 tons, 3.5%
Armour: 3,272 tons, 21.4%
- Belts: 1,085 tons, 7.1%
- Torpedo bulkhead: 0 tons, 0.0%
- Armament: 1,091 tons, 7.1%
- Armour Deck: 1,029 tons, 6.7%
- Conning Tower: 68 tons, 0.4%
Machinery: 2,471 tons, 16.1%
Hull, fittings & equipment: 6,361 tons, 41.5%
Fuel, ammunition & stores: 2,474 tons, 16.2%
Miscellaneous weights: 200 tons, 1.3%
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
20,830 lbs / 9,449 Kg = 43.7 x 9.8 " / 250 mm shells or 2.4 torpedoes
Stability (Unstable if below 1.00): 1.07
Metacentric height 3.2 ft / 1.0 m
Roll period: 16.1 seconds
Steadiness - As gun platform (Average = 50 %): 52 %
- Recoil effect (Restricted arc if above 1.00): 0.72
Seaboat quality (Average = 1.00): 1.05
Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.502
Length to Beam Ratio: 9.52 : 1
'Natural speed' for length: 29.34 kts
Power going to wave formation at top speed: 54 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 6.56 ft / 2.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 29.20 ft / 8.90 m
- Forecastle (20%): 20.01 ft / 6.10 m
- Mid (50%): 19.69 ft / 6.00 m
- Quarterdeck (15%): 19.69 ft / 6.00 m
- Stern: 19.69 ft / 6.00 m
- Average freeboard: 20.53 ft / 6.26 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 81.5%
- Above water (accommodation/working, high = better): 130.1%
Waterplane Area: 31,382 Square feet or 2,916 Square metres
Displacement factor (Displacement / loading): 120%
Structure weight / hull surface area: 133 lbs/sq ft or 648 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.31
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent