Originally posted by TexanCowboy
May I make a recommendation? How about removing 500 nm worth of oil, saying that the hull can't hold it with the age?
Here is the ship with your recommendation. I guess that work.
XXX, Persia Destroyer laid down 1923, refit 1941
Displacement:
1,235 t light; 1,286 t standard; 1,392 t normal; 1,476 t full load
Dimensions: Length overall / water x beam x draught
357.95 ft / 350.07 ft x 33.14 ft x 10.50 ft (normal load)
109.10 m / 106.70 m x 10.10 m x 3.20 m
Armament:
4 - 4.13" / 105 mm guns in single mounts, 35.32lbs / 16.02kg shells, 1923 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, evenly spread
8 - 1.57" / 40.0 mm guns (2x4 guns), 1.95lbs / 0.88kg shells, 1923 Model
Anti-aircraft guns in deck mounts
on side, all amidships
8 - 0.79" / 20.0 mm guns (4x2 guns), 0.24lbs / 0.11kg shells, 1923 Model
Breech loading guns in deck mounts
on side, evenly spread
Weight of broadside 159 lbs / 72 kg
Shells per gun, main battery: 250
8 - 21.7" / 550 mm above water torpedoes
Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.97" / 50 mm 0.79" / 20 mm 0.79" / 20 mm
2nd: 0.79" / 20 mm - -
- Conning tower: 1.97" / 50 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 30,186 shp / 22,519 Kw = 32.15 kts
Range 4,000nm at 12.00 kts
Bunker at max displacement = 190 tons
Complement:
113 - 148
Cost:
£0.466 million / $1.864 million
Distribution of weights at normal displacement:
Armament: 20 tons, 1.4 %
Armour: 21 tons, 1.5 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 16 tons, 1.2 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 5 tons, 0.4 %
Machinery: 716 tons, 51.5 %
Hull, fittings & equipment: 437 tons, 31.4 %
Fuel, ammunition & stores: 157 tons, 11.3 %
Miscellaneous weights: 40 tons, 2.9 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
417 lbs / 189 Kg = 11.8 x 4.1 " / 105 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.36
Metacentric height 1.6 ft / 0.5 m
Roll period: 10.9 seconds
Steadiness - As gun platform (Average = 50 %): 57 %
- Recoil effect (Restricted arc if above 1.00): 0.25
Seaboat quality (Average = 1.00): 1.15
Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.400
Length to Beam Ratio: 10.56 : 1
'Natural speed' for length: 18.71 kts
Power going to wave formation at top speed: 64 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 21.65 ft / 6.60 m
- Forecastle (20 %): 17.78 ft / 5.42 m
- Mid (50 %): 17.78 ft / 5.42 m (10.17 ft / 3.10 m aft of break)
- Quarterdeck (15 %): 10.17 ft / 3.10 m
- Stern: 10.17 ft / 3.10 m
- Average freeboard: 14.29 ft / 4.35 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 180.9 %
- Above water (accommodation/working, high = better): 81.5 %
Waterplane Area: 7,140 Square feet or 663 Square metres
Displacement factor (Displacement / loading): 62 %
Structure weight / hull surface area: 32 lbs/sq ft or 154 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.69
- Overall: 0.56
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped