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Corvettes of the Japanese Navy.

Data here is the data released to the public

Fu Ichi Class
F-1 to F-30

Dimensions: 370.00 ft x 35.00 ft x 12.00 ft
Standard Displacement: 1930 tons
Armament: 4 - 13.0 cm / 50 cal Model 1914 guns
6 - 50 mm / 60 cal Model 1914 AA guns
18 - 25 mm / 60 cal Model 1914 light AA guns
Armour: Belt 2.00"
Main gun shields 2.00", AA gun shields 1.00", Light AA gun shields 1.00"
Armour deck 1.00"
Machinery: 3 Kanpon oil fired boilers, Brown Curtis geared,
Geared drive, 2 shafts, 11,000 shp = 23.00 kts
Range 6,000nm at 12.00 kts
Complement: 24 Officers, 202 other rank

Fu_ichi, Japan Corvette laid down 1914
All scrapped in 1943

Displacement:
1,863 t light; 1,932 t standard; 2,220 t normal; 2,441 t full load
Loading submergence 233 tons/feet

Dimensions:
370.00 ft x 35.00 ft x 12.00 ft (normal load)
112.78 m x 10.67 m x 3.66 m

Armament:
4 - 5.12" / 130 mm guns
6 - 1.97" / 50 mm AA guns
18 - 0.98" / 25 mm guns
Weight of broadside 300 lbs / 136 kg

Armour:
Belt 2.00" / 51 mm, ends unarmoured
Belts cover 100 % of normal area
Main gun shields 2.00" / 51 mm, AA gun shields 1.00" / 25 mm, Light gun shields 1.00" / 25 mm
Armour deck 1.00" / 25 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 12,604 shp / 9,403 Kw = 24.00 kts
Range 6,500nm at 12.00 kts

Complement:
161 - 210

Cost:
£0.210 million / $0.838 million

Distribution of weights at normal displacement:
Armament: 37 tons, 1.7 %
Armour: 309 tons, 13.9 %
Belts: 139 tons, 6.3 %, Armament: 19 tons, 0.9 %, Armour Deck: 151 tons, 6.8 %
Conning Tower: 0 tons, 0.0 %, Torpedo bulkhead: 0 tons, 0.0 %
Machinery: 486 tons, 21.9 %
Hull, fittings & equipment: 951 tons, 42.8 %
Fuel, ammunition & stores: 357 tons, 16.1 %
Miscellaneous weights: 80 tons, 3.6 %

Metacentric height 1.5

Remarks:
Hull space for machinery, storage & compartmentation is adequate
Room for accommodation & workspaces is adequate
Good seaboat, rides out heavy weather easily

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.22
Shellfire needed to sink: 3,126 lbs / 1,418 Kg = 46.6 x 5.1 " / 130 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 0.9
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 62 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.18
Relative quality as seaboat: 1.25

Hull form characteristics:
Block coefficient: 0.500
Sharpness coefficient: 0.33
Hull speed coefficient 'M': 8.67
'Natural speed' for length: 19.24 kts
Power going to wave formation at top speed: 51 %
Trim: 50
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 88.4 %
Relative accommodation and working space: 115.6 %
(Average = 100%)
Displacement factor: 134 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 1.18
(Structure weight / hull surface area: 69 lbs / square foot or 335 Kg / square metre)
Relative longitudinal hull strength: 1.47
(for 12.00 ft / 3.66 m average freeboard, freeboard adjustment 0.79 ft)
Relative composite hull strength: 1.21All scrapped in 1943