I simply couldn't resist. This challenge has not only summoned me back; it has also motivated me to dust off a
very old project which I was never able to satisfactorily finish.
Taban, Samudra Dreadnought laid down 1909
Displacement:
17,823 t light; 18,946 t standard; 19,734 t normal; 20,365 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(513.00 ft / 513.00 ft) x 88.00 ft x (25.50 / 26.17 ft)
(156.36 m / 156.36 m) x 26.82 m x (7.77 / 7.98 m)
Armament:
9 - 12.00" / 305 mm 45.0 cal guns - 849.99lbs / 385.55kg shells, 150 per gun
Breech loading guns in turret on barbette mounts, 1906 Model
3 x 3-gun mounts on centreline ends, majority aft
1 raised mount aft - superfiring
10 - 6.00" / 152 mm 45.0 cal guns - 108.93lbs / 49.41kg shells, 150 per gun
Breech loading guns in casemate mounts, 1909 Model
10 x Single mounts on sides, evenly spread
10 hull mounts in casemates- Limited use in heavy seas
Weight of broadside 8,739 lbs / 3,964 kg
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 12.0" / 305 mm 345.00 ft / 105.16 m 12.00 ft / 3.66 m
Ends: 4.00" / 102 mm 167.99 ft / 51.20 m 12.00 ft / 3.66 m
Upper: 8.00" / 203 mm 280.00 ft / 85.34 m 9.00 ft / 2.74 m
Main Belt covers 103 % of normal length
- Torpedo Bulkhead - Additional damage containing bulkheads:
3.00" / 76 mm 345.00 ft / 105.16 m 24.50 ft / 7.47 m
Beam between torpedo bulkheads 62.00 ft / 18.90 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 12.0" / 305 mm 8.00" / 203 mm 10.0" / 254 mm
2nd: 8.00" / 203 mm - -
- Armoured deck - multiple decks:
For and Aft decks: 3.00" / 76 mm
Forecastle: 1.00" / 25 mm Quarter deck: 1.00" / 25 mm
- Conning towers: Forward 12.00" / 305 mm, Aft 0.00" / 0 mm
Machinery:
Coal and oil fired boilers, steam turbines,
Direct drive, 4 shafts, 26,503 shp / 19,771 Kw = 20.61 kts
Range 5,000nm at 10.00 kts
Bunker at max displacement = 1,419 tons (25% coal)
Complement:
832 - 1,082
Cost:
£1.580 million / $6.320 million
Distribution of weights at normal displacement:
Armament: 1,876 tons, 9.5 %
- Guns: 1,876 tons, 9.5 %
Armour: 7,848 tons, 39.8 %
- Belts: 3,411 tons, 17.3 %
- Torpedo bulkhead: 938 tons, 4.8 %
- Armament: 1,669 tons, 8.5 %
- Armour Deck: 1,641 tons, 8.3 %
- Conning Tower: 189 tons, 1.0 %
Machinery: 1,233 tons, 6.2 %
Hull, fittings & equipment: 6,866 tons, 34.8 %
Fuel, ammunition & stores: 1,911 tons, 9.7 %
Miscellaneous weights: 0 tons, 0.0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
37,329 lbs / 16,932 Kg = 43.2 x 12.0 " / 305 mm shells or 7.4 torpedoes
Stability (Unstable if below 1.00): 1.19
Metacentric height 5.7 ft / 1.7 m
Roll period: 15.5 seconds
Steadiness - As gun platform (Average = 50 %): 86 %
- Recoil effect (Restricted arc if above 1.00): 0.75
Seaboat quality (Average = 1.00): 1.73
Hull form characteristics:
Hull has rise forward of midbreak,
a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.600 / 0.603
Length to Beam Ratio: 5.83 : 1
'Natural speed' for length: 22.65 kts
Power going to wave formation at top speed: 47 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): -8.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.47 %, 25.50 ft / 7.77 m, 24.00 ft / 7.32 m
- Forward deck: 44.74 %, 24.00 ft / 7.32 m, 24.00 ft / 7.32 m
- Aft deck: 22.51 %, 16.00 ft / 4.88 m, 16.00 ft / 4.88 m
- Quarter deck: 12.28 %, 16.00 ft / 4.88 m, 16.00 ft / 4.88 m
- Average freeboard: 21.34 ft / 6.50 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 82.6 %
- Above water (accommodation/working, high = better): 161.2 %
Waterplane Area: 33,018 Square feet or 3,067 Square metres
Displacement factor (Displacement / loading): 111 %
Structure weight / hull surface area: 168 lbs/sq ft or 819 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.94
- Longitudinal: 2.20
- Overall: 1.02
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
The design is heavily influenced by Jabba's rendition of HMS Erin, but the only parts actually taken from that drawing are the flag (suitably modified), the spotting top (again, modified- and I redrew the tripod), the ship's boats and the crane winches; is that substantial enough to require crediting?