(Historical data)
L-1, Peruvian Landing Craft, laid down 1941
Displacement: 277 t light; 284 t standard; 325 t normal; 358 t full load
Dimensions: Length (overall / waterline) x beam x draught (normal/deep)
160.37 ft / 157.48 ft) x 22.97 ft x (5.25 / 5.68 ft [48.88 m / 48.00 m) x 7.00 m x (1.60 / 1.73 m]
Armament:
3 - 0.79" / 20.0 mm 45.0 cal guns - 0.25lbs / 0.11kg shells, 2,000 per gun Anti-air guns in deck mounts, 1941 Model
2 x Single mounts on sides, forward deck centre
1 x Single mount on centreline, aft deck centre
Weight of broadside 1 lbs / 0 kg
Armour:
Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.59" / 15 mm - -
Conning towers: Forward 0.59" / 15 mm, Aft 0.00" / 0 mm
Machinery:
Diesel Internal combustion motors, Direct drive, 2 shafts, 700 shp / 522 Kw = 13.99 kts
Range 4,000nm at 12.00 kts
Bunker at max displacement = 74 tons
Complement: 37 - 49
Cost: £0.077 million / $0.306 million
Distribution of weights at normal displacement:
Armament: 0 tons, 0.1 %
Guns: 0 tons, 0.1 %
Armour: 3 tons, 0.9 %
Armament: 2 tons, 0.7 %
Conning Tower: 1 tons, 0.2 %
Machinery: 18 tons, 5.7 %
Hull, fittings & equipment: 159 tons, 48.7 %
Fuel, ammunition & stores: 48 tons, 14.9 %
Miscellaneous weights: 97 tons, 29.8 %
- Hull above water: 90 tons
- On freeboard deck: 7 tons
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship): 1,408 lbs / 639 Kg = 5,769.1 x 0.8 " / 20 mm shells or 1.1 torpedoes
Stability (Unstable if below 1.00): 1.16
Metacentric height 0.7 ft / 0.2 m
Roll period: 11.3 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.00
Seaboat quality (Average = 1.00): 2.00
Hull form characteristics:
Hull has a flush deck, a normal bow and a cruiser stern
Block coefficient (normal/deep): 0.600 / 0.610
Length to Beam Ratio: 6.86 : 1
'Natural speed' for length: 12.55 kts
Power going to wave formation at top speed: 51 %
Trim (Max stability = 0, Max steadiness = 100): 25
Bow angle (Positive = bow angles forward): 10.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = length of deck as a percentage of waterline length):
Fore end, Aft end
- Forecastle: 20.00 %, 16.40 ft / 5.00 m, 13.12 ft / 4.00 m
- Forward deck: 30.00 %, 13.12 ft / 4.00 m, 13.12 ft / 4.00 m
- Aft deck: 35.00 %, 13.12 ft / 4.00 m, 13.12 ft / 4.00 m
- Quarter deck: 15.00 %, 13.12 ft / 4.00 m, 13.12 ft / 4.00 m
- Average freeboard: 13.39 ft / 4.08 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 50.2 %
- Above water (accommodation/working, high = better): 178.7 %
Waterplane Area: 2,645 Square feet or 246 Square metres
Displacement factor (Displacement / loading): 236 %
Structure weight / hull surface area: 26 lbs/sq ft or 128 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.74
- Longitudinal: 13.68
- Overall: 1.00
Excellent machinery, storage, compartmentation space
Excellent accommodation and workspace room
Excellent seaboat, comfortable, can fire her guns in the heaviest weather
L-1, laid down 1941
L-2, laid down 1941
L-3, laid down 1942
L-4, laid down 1942
L-5, laid down 1942
L-6, laid down 1943
L-7, laid down 1943
L-8, laid down 1944