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少校
   
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发表于 2011-10-7 02:00
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本帖最后由 Zichuan 于 2011-10-6 14:03 编辑
新江河级高速护卫舰
HMCS Grand River, Canadian Corvette laid down 1931 (Engine 1930)
Displacement:
1,228 t light; 1,329 t standard; 2,051 t normal; 2,630 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(308.23 ft / 295.28 ft) x 45.93 ft x (11.48 / 13.75 ft)
(93.95 m / 90.00 m) x 14.00 m x (3.50 / 4.19 m)
Armament:
6 - QF 4.00" / 102 mm 45.0 cal MK XVI guns - 35.01lbs / 15.88kg shells, 150 per gun
Breech loading guns in deck mounts
3 x Twin mounts on centreline ends, majority forward
48 - QF "pom pom"1.57" / 40.0 mm 39.0 cal MKII guns - 2.01lbs / 0.91kg shells, 600 per gun
Quick firing guns in deck mounts
4 x 2 row octuple mounts on sides, aft evenly spread
2 x 2 row octuple mounts on sides, forward deck aft
16 - US 1.10" / 28.0 mm 75.0 cal MKII guns - 1.90lbs / 0.86kg shells, 1,000 per gun
Quick firing guns in deck mounts
2 x Quad mounts on centreline, aft evenly spread
2 x Quad mounts on centreline, forward evenly spread
Weight of broadside 324 lbs / 147 kg
Main Torpedoes
4 - 21.0" / 533 mm, 25.49 ft / 7.77 m MK VII torpedoes - 1.669 t each, 6.678 t total
In 4 sets of deck mounted carriage/fixed tubes
Main DC/AS Mortars
4 - 290.00 lbs / 131.54 kg ahead throwing AS Mortars + 40 reloads - 5.696 t total
2nd DC/AS Mortars
3 - 290.00 lbs / 131.54 kg Depth Charges + 30 reloads - 4.272 t total
in Depth charge throwers
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 2.99" / 76 mm 191.93 ft / 58.50 m 8.14 ft / 2.48 m
Main Belt covers 100 % of normal length
- Torpedo Bulkhead - Additional damage containing bulkheads:
0.98" / 25 mm 191.93 ft / 58.50 m 8.92 ft / 2.72 m
Beam between torpedo bulkheads 39.37 ft / 12.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.05" / 52 mm - -
- Box over machinery & magazines:
0.51" / 13 mm
Forecastle: 0.31" / 8 mm Quarter deck: 0.31" / 8 mm
- Conning towers: Forward 0.51" / 13 mm, Aft 0.00" / 0 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 10,900 shp / 8,132 Kw = 23.00 kts
Range 11,000nm at 16.00 kts
Bunker at max displacement = 1,301 tons
Complement:
152 - 198
Cost:
£0.459 million / $1.835 million
Distribution of weights at normal displacement:
Armament: 82 tons, 4.0 %
- Guns: 50 tons, 2.4 %
- Weapons: 32 tons, 1.5 %
Armour: 301 tons, 14.6 %
- Belts: 202 tons, 9.8 %
- Torpedo bulkhead: 62 tons, 3.0 %
- Armament: 14 tons, 0.7 %
- Armour Deck: 20 tons, 1.0 %
- Conning Tower: 2 tons, 0.1 %
Machinery: 330 tons, 16.1 %
Hull, fittings & equipment: 516 tons, 25.1 %
Fuel, ammunition & stores: 823 tons, 40.1 %
Miscellaneous weights: 0 tons, 0.0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
4,248 lbs / 1,927 Kg = 132.7 x 4.0 " / 102 mm shells or 1.3 torpedoes
Stability (Unstable if below 1.00): 1.87
Metacentric height 4.3 ft / 1.3 m
Roll period: 9.4 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.07
Seaboat quality (Average = 1.00): 1.23
Hull form characteristics:
Hull has rise forward of midbreak,
a normal bow and small transom stern
Block coefficient (normal/deep): 0.461 / 0.494
Length to Beam Ratio: 6.43 : 1
'Natural speed' for length: 18.91 kts
Power going to wave formation at top speed: 60 %
Trim (Max stability = 0, Max steadiness = 100): 57
Bow angle (Positive = bow angles forward): 18.00 degrees
Stern overhang: 6.56 ft / 2.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 19.69 ft / 6.00 m, 16.40 ft / 5.00 m
- Forward deck: 40.00 %, 16.40 ft / 5.00 m, 13.12 ft / 4.00 m
- Aft deck: 25.00 %, 9.84 ft / 3.00 m, 9.84 ft / 3.00 m
- Quarter deck: 15.00 %, 9.84 ft / 3.00 m, 11.48 ft / 3.50 m
- Average freeboard: 13.51 ft / 4.12 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 73.4 %
- Above water (accommodation/working, high = better): 141.2 %
Waterplane Area: 8,935 Square feet or 830 Square metres
Displacement factor (Displacement / loading): 184 %
Structure weight / hull surface area: 42 lbs/sq ft or 207 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.67
- Longitudinal: 1.62
- Overall: 0.73
Caution: Hull subject to strain in open-sea
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily
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