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发表于 2011-10-7 03:06
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新湖级低速护卫舰
HMCS Swan Lake, Canadian Frigrate laid down 1931 (Engine 1925)
Displacement:
1,329 t light; 1,416 t standard; 1,980 t normal; 2,432 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
(275.45 ft / 264.11 ft) x 59.06 ft x (8.53 / 9.99 ft)
(83.96 m / 80.50 m) x 18.00 m x (2.60 / 3.04 m)
Armament:
4 - 4.01" / 102 mm 45.0 cal guns - 31.00lbs / 14.06kg shells, 150 per gun
Breech loading guns in deck mounts, 1931 Model
1 x Twin mount on centreline, forward deck forward
1 x Twin mount on centreline, aft deck aft
48 - 1.57" / 40.0 mm 39.0 cal guns - 2.01lbs / 0.91kg shells, 600 per gun
Quick firing guns in deck mounts, 1931 Model
4 x 2 row octuple mounts on sides, aft evenly spread
2 x 2 row octuple mounts on sides, forward deck centre
8 - 1.10" / 28.0 mm 75.0 cal guns - 1.10lbs / 0.50kg shells, 1,000 per gun
Breech loading guns in deck mounts, 1931 Model
2 x Quad mounts on sides, forward deck aft
Weight of broadside 229 lbs / 104 kg
Mines
2 - 350.00 lbs / 158.76 kg mines + 20 reloads - 3.438 t total
in Above water - Stern racks/rails
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 Stern depth charge racks
Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 2.99" / 76 mm 171.69 ft / 52.33 m 9.22 ft / 2.81 m
Ends: Unarmoured
Main Belt covers 100 % of normal length
- Torpedo Bulkhead - Additional damage containing bulkheads:
0.98" / 25 mm 171.69 ft / 52.33 m 8.40 ft / 2.56 m
Beam between torpedo bulkheads 39.37 ft / 12.00 m
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.13" / 3 mm - -
2nd: 0.01" / 0 mm - -
- Armoured deck - multiple decks:
For and Aft decks: 0.98" / 25 mm
Forecastle: 0.51" / 13 mm Quarter deck: 0.31" / 8 mm
Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 7,703 shp / 5,746 Kw = 20.00 kts
Range 10,000nm at 14.00 kts
Bunker at max displacement = 1,016 tons
Complement:
147 - 192
Cost:
£0.408 million / $1.632 million
Distribution of weights at normal displacement:
Armament: 57 tons, 2.9 %
- Guns: 39 tons, 2.0 %
- Weapons: 18 tons, 0.9 %
Armour: 450 tons, 22.7 %
- Belts: 219 tons, 11.1 %
- Torpedo bulkhead: 53 tons, 2.7 %
- Armament: 1 tons, 0.0 %
- Armour Deck: 178 tons, 9.0 %
Machinery: 250 tons, 12.6 %
Hull, fittings & equipment: 572 tons, 28.9 %
Fuel, ammunition & stores: 651 tons, 32.9 %
Miscellaneous weights: 0 tons, 0.0 %
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
6,106 lbs / 2,770 Kg = 189.7 x 4.0 " / 102 mm shells or 2.7 torpedoes
Stability (Unstable if below 1.00): 2.14
Metacentric height 7.4 ft / 2.3 m
Roll period: 9.1 seconds
Steadiness - As gun platform (Average = 50 %): 63 %
- Recoil effect (Restricted arc if above 1.00): 0.01
Seaboat quality (Average = 1.00): 0.87
Hull form characteristics:
Hull has a flush deck,
a normal bow and small transom stern
Block coefficient (normal/deep): 0.521 / 0.546
Length to Beam Ratio: 4.47 : 1
'Natural speed' for length: 18.19 kts
Power going to wave formation at top speed: 59 %
Trim (Max stability = 0, Max steadiness = 100): 72
Bow angle (Positive = bow angles forward): 20.00 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 %, 13.12 ft / 4.00 m, 9.84 ft / 3.00 m
- Forward deck: 45.00 %, 9.84 ft / 3.00 m, 9.84 ft / 3.00 m
- Aft deck: 20.00 %, 9.84 ft / 3.00 m, 9.84 ft / 3.00 m
- Quarter deck: 15.00 %, 9.84 ft / 3.00 m, 13.12 ft / 4.00 m
- Average freeboard: 10.35 ft / 3.16 m
Ship tends to be wet forward
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 74.8 %
- Above water (accommodation/working, high = better): 138.4 %
Waterplane Area: 10,851 Square feet or 1,008 Square metres
Displacement factor (Displacement / loading): 186 %
Structure weight / hull surface area: 47 lbs/sq ft or 231 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.79
- Longitudinal: 1.30
- Overall: 0.83
Caution: Hull subject to strain in open-sea
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room
Poor seaboat, wet and uncomfortable, reduced performance in heavy weather
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