Kinesaki, Japan Food supply ship laid down 1941, converted in 1943
Displacement:
580 t light; 612 t standard; 1,050 t normal; 1,401 t full load
Dimensions: Length overall / water x beam x draught
199.47 ft / 195.00 ft x 30.80 ft x 10.20 ft (normal load)
60.80 m / 59.44 m x 9.39 m x 3.11 m
Armament:
6 - 1.57" / 40.0 mm guns (1x6 guns), 2.00lbs / 0.91kg shells, 1941 Model
Anti-aircraft guns in deck mount
on centreline forward, all raised guns - superfiring
2 - 0.52" / 13.2 mm guns in single mounts, 0.07lbs / 0.03kg shells, 1941 Model
Machine guns in deck mounts
on side, all aft, all raised mounts - superfiring
Weight of broadside 12 lbs / 6 kg
Shells per gun, main battery: 1,500
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.00" / 25 mm - -
2nd: 0.50" / 13 mm - -
Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 1,730 shp / 1,290 Kw = 15.00 kts
Range 23,195nm at 12.00 kts
Bunker at max displacement = 790 tons
Complement:
91 - 119
Cost:
£0.173 million / $0.691 million
Distribution of weights at normal displacement:
Armament: 1 tons, 0.1 %
Armour: 1 tons, 0.1 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 1 tons, 0.1 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 46 tons, 4.4 %
Hull, fittings & equipment: 282 tons, 26.9 %
Fuel, ammunition & stores: 470 tons, 44.8 %
Miscellaneous weights: 250 tons, 23.8 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
3,209 lbs / 1,455 Kg = 1,643.2 x 1.6 " / 40 mm shells or 1.7 torpedoes
Stability (Unstable if below 1.00): 1.25
Metacentric height 1.3 ft / 0.4 m
Roll period: 11.4 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.02
Seaboat quality (Average = 1.00): 2.00
Hull form characteristics:
Hull has raised forecastle, rise aft of midbreak, low quarterdeck
Block coefficient: 0.600
Length to Beam Ratio: 6.33 : 1
'Natural speed' for length: 13.96 kts
Power going to wave formation at top speed: 53 %
Trim (Max stability = 0, Max steadiness = 100): 35
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 2.00 ft / 0.61 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 14.00 ft / 4.27 m
- Forecastle (20 %): 12.00 ft / 3.66 m (10.20 ft / 3.11 m aft of break)
- Mid (51 %): 10.20 ft / 3.11 m (13.60 ft / 4.15 m aft of break)
- Quarterdeck (32 %): 10.20 ft / 3.11 m (13.60 ft / 4.15 m before break)
- Stern: 10.20 ft / 3.11 m
- Average freeboard: 11.32 ft / 3.45 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 43.4 %
- Above water (accommodation/working, high = better): 105.2 %
Waterplane Area: 4,393 Square feet or 408 Square metres
Displacement factor (Displacement / loading): 297 %
Structure weight / hull surface area: 39 lbs/sq ft or 190 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.88
- Longitudinal: 3.09
- Overall: 1.00
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
Actual range: 8,000 nm at 12 knots
Actual bunker at max displacement: 279 tons
Actual Fuel, ammunition & stores: 186 tons
Actual Full Load displacement: 1,174 tons
Stores: 284 tons
- 150 tons for handling gear and cranes
- 20 tons for navigation radar
- 6 tons for damage control and fire suppression systems
- 10 tons for emergency diesel generators
- 6 tons for climate control system
- 58 tons for various