Linan-Class
China Inland - Tanker laid down 1938
The Linan-Class Tankers are tankers which were designed for transporting oil on the Yangtse River or the Grand Channel.
Displacement:
964 t light; 998 t standard; 1.699 t normal; 2.260 t full load
Dimensions:
Length overall / water x beam x draught
220,56 ft / 212,60 ft x 37,00 ft x 12,00 ft (normal load)
67,23 m / 64,80 m x 11,28 m x 3,66 m
Machinery:
Diesel Internal combustion motors,
Geared drive, 1 shaft, 504 shp / 376 Kw = 10,00 kts
Range 75.000nm at 8,00 kts
Bunker at max displacement = 1.262 tons
Complement:
13 - 17
Cost:
£0,201 million / $0,804 million
Distribution of weights at normal displacement:
Armament: 0 tons, 0,0%
Machinery: 14 tons, 0,8%
Hull, fittings & equipment: 450 tons, 26,5%
Fuel, ammunition & stores: 735 tons, 43,3%
Miscellaneous weights: 500 tons, 29,4%
Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
4.476 lbs / 2.030 Kg = 2.292,1 x 6 " / 152 mm shells or 2,4 torpedoes
Stability (Unstable if below 1.00): 1,11
Metacentric height 1,4 ft / 0,4 m
Roll period: 13,3 seconds
Steadiness - As gun platform (Average = 50 %): 100 %
- Recoil effect (Restricted arc if above 1.00): 0,00
Seaboat quality (Average = 1.00): 2,00
Hull form characteristics:
Hull has raised forecastle, raised quarterdeck
Block coefficient: 0,630
Length to Beam Ratio: 5,75 : 1
'Natural speed' for length: 14,58 kts
Power going to wave formation at top speed: 32 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 12,00 degrees
Stern overhang: 4,27 ft / 1,30 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 17,39 ft / 5,30 m
- Forecastle (20%): 15,75 ft / 4,80 m (8,20 ft / 2,50 m aft of break)
- Mid (50%): 8,20 ft / 2,50 m
- Quarterdeck (20%): 14,76 ft / 4,50 m (8,20 ft / 2,50 m before break)
- Stern: 14,76 ft / 4,50 m
- Average freeboard: 11,15 ft / 3,40 m
Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 36,0%
- Above water (accommodation/working, high = better): 68,8%
Waterplane Area: 5.815 Square feet or 540 Square metres
Displacement factor (Displacement / loading): 322%
Structure weight / hull surface area: 51 lbs/sq ft or 248 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1,11
- Longitudinal: 2,67
- Overall: 1,21
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, rides out heavy weather easily
Breakdown of Misc. Weight: 500tons
provision for working deck gear (specialized fireproofing etc.) - 150 tons
provision for piping and pumps - 150 tons
provision for oil storage - 200 tons
Bunkers simed as low-stowed cargo: 700tons
150tons true bunker = 8000 nm
550tons oil storage in 6 holds
Notes:
Crew complement reduced by a factor of 10 for commercial service
Ships in Class:
8 vessels built.
-
Yangtse Oil Transporting Company:
Linan
Tak Hing
Taming
-
SINOPEC:
Hung Sing
Wei Sing
-
Asiatic Petroleum Shipping:
Tay Kee No. 1
Tay Kee No. 2
Tay Kee No. 3
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