WesWorld

Repository for data pertaining to the subject

Yáomù - Class
U-200 ( SSF-1 ) - Active
U-201 ( SSF-2 ) - Active
U-202 ( SSF-3 ) - Active
U-203 ( SSF-4 ) - Active
U-204 ( SSF-5 ) - Active
U-205 ( SSF-6 ) - Active
U-206 ( SSF-7 ) - Active
U-207 ( SSF-8 ) - Active
U-208 ( SSF-9 ) - Active
U-209 ( SSF-10 ) - Active
U-210 ( SSF-11 ) - Active
U-211 ( SSF-12 ) - Active

Yáomù - Class
Fleet Submarine



Displacement:
690 t light; 707 t standard; 745 t normal; 776 t full load

Dimensions:
Length overall / water x beam x draught
187,01 ft / 187,01 ft x 21,00 ft x 14,76 ft (normal load)
57,00 m / 57,00 m x 6,40 m x 4,50 m

Armament:
1 - 3,46" / 88,0 mm guns in single mounts, 20,79lbs / 9,43kg shells, 1942 Model
Breech loading gun in deck mount
on centreline forward
2 - 0,31" / 7,9 mm guns (1x2 guns), 0,02lbs / 0,01kg shells, 1942 Model
Machine guns in deck mount
on side amidships, all raised guns
Weight of broadside 21 lbs / 9 kg
Shells per gun, main battery: 200
6 - 21,0" / 533 mm submerged torpedo tubes

Machinery:
Diesel Internal combustion engines plus batteries,
Electric cruising motors plus geared drives, 2 shafts, 684 shp / 510 Kw = 12,50 kts
Range 6.000nm at 8,00 kts
Bunker at max displacement = 69 tons

Complement:
70 - 92

Cost:
£0,183 million / $0,734 million

Distribution of weights at normal displacement:
Armament: 3 tons, 0,3%
Machinery: 18 tons, 2,4%
Hull, fittings & equipment: 514 tons, 69,0%
Fuel, ammunition & stores: 55 tons, 7,4%
Miscellaneous weights: 155 tons, 20,8%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
395 lbs / 179 Kg = 19,0 x 3,5 " / 88 mm shells or 0,4 torpedoes
Stability (Unstable if below 1.00): 1,05
Metacentric height 0,5 ft / 0,2 m
Roll period: 12,1 seconds
Steadiness - As gun platform (Average = 50 %): 0 %
- Recoil effect (Restricted arc if above 1.00): 0,00
Seaboat quality (Average = 1.00): 0,00

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0,450
Length to Beam Ratio: 8,91 : 1
'Natural speed' for length: 13,68 kts
Power going to wave formation at top speed: 35 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 0,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 0,00 ft / 0,00 m
- Forecastle (20%): 0,00 ft / 0,00 m
- Mid (50%): 0,00 ft / 0,00 m
- Quarterdeck (15%): 0,00 ft / 0,00 m
- Stern: 0,00 ft / 0,00 m
- Average freeboard: 0,00 ft / 0,00 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 96,5%
- Above water (accommodation/working, high = better): 0,0%
Waterplane Area: 2.505 Square feet or 233 Square metres
Displacement factor (Displacement / loading): 352%
Structure weight / hull surface area: 129 lbs/sq ft or 628 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 4,28
- Longitudinal: 3,66
- Overall: 3,80
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is extremely poor
Ship has quick, lively roll, not a steady gun platform
Caution: Lacks seaworthiness - very limited seakeeping ability

Info:
125 tons for ballast
30 tons for torpedoes


only for chinese use; not official
operational diving depth = 428 feet or 130m
emergency diving depth = 685 feet or 200m
crush depth = 1050 feet or 320m





Ships in Class:
U200 laid down 1943
U201 laid down 1943
U202 laid down 1943
U203 laid down 1943
U204 laid down 1943
U205 laid down 1943
U206 laid down 1943
U207 laid down 1943
U208 laid down 1943
U209 laid down 1943
U210 laid down 1943
U211 laid down 1943