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Class 3 Destroyers of the Japanese Navy.

Data here is the data released to the public

Ki Ichi Class
K1 - K45

Dimensions: 230.00 ft x 22.50 ft x 11.00 ft
Standard Displacement: 590 tons
Armament: 4 - 10.5 cm / 50 cal Model 1912 guns
4 - 50 mm / 55 cal Model 1910 AA guns
12 - 25 mm / 60 cal Model 1910 light AA guns
2 - 21.0" / 533.4 mm above water torpedoes
Machinery: 3 Kanpon oil fired boilers, Brown Curtis geared steam turbines,
Geared drive, 2 shafts, 16,000 shp = 29.00 kts
Range 2,000nm at 12.00 kts
Complement: 9 Officers, 72 other rank

FSS: F Class
Renamed F-1 to F-71 in 1938

Dimensions: 270.00 ft x 24.70 ft x 9.00 ft
Standard Displacement: 590 tons
Armament: 4x1 - 75 mm 2.95" / 50 cal Model 1921 guns
4 - 50 mm / 60 cal Model 1918 AA guns
12 - 25 mm / 60 cal Model 1918 light AA guns
2 - 24.0" / 609.6 mm above water torpedoes
Armour: Main turrets 1.00" / 25 mm
Machinery: 3 Kanpon oil fired boilers, Brown Curtis geared steam turbines,
Geared drive, 2 shafts, 15,000 shp = 29.00 kts
Range 3,000nm at 12.00 kts
Complement: 9 Officers, 72 other rank


FSS: OC Class
Renamed OC-1 to OC-109 in 1938

Dimensions: 270.00 ft x 24.68 ft x 9.00 ft
Standard Displacement: 595 tons
Armament: 1x1 - 13.0 cm / 50 cal Model 1921 guns
2x1 - 10.5 cm / 50 cal Model 1921 guns
4 - 50 mm / 60 cal Model 1918 AA guns
12 - 25 mm / 60 cal Model 1918 light AA guns
2 - 24.0" / 609.6 mm above water torpedoes
Armour: Main turrets 1.00", 2nd turrets 1.00"
Machinery: 3 Kanpon oil fired boilers, Brown Curtis geared steam turbines,
Geared drive, 2 shafts, 13,000 shp = 28.50 kts
Range 2,800nm at 12.00 kts
Complement: 9 Officers, 72 other rank

Ki Ichi, Japan Destroyer laid down 1912
All scrapped in 1943

Displacement:
572 t light; 598 t standard; 651 t normal; 690 t full load
Loading submergence 80 tons/feet

Dimensions:
230.00 ft x 22.50 ft x 11.00 ft (normal load)
70.10 m x 6.86 m x 3.35 m

Armament:
4 - 4.13" / 105 mm guns
4 - 1.97" / 50 mm QF guns
12 - 0.98" / 25 mm guns
Weight of broadside 162 lbs / 74 kg
2 - 21.0" / 533.4 mm above water torpedoes

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 17,916 shp / 13,365 Kw = 30.00 kts
Range 2,200nm at 12.00 kts

Complement:
64 - 83

Cost:
£0.082 million / $0.328 million

Distribution of weights at normal displacement:
Armament: 20 tons, 3.1 %
Machinery: 321 tons, 49.4 %
Hull, fittings & equipment: 190 tons, 29.2 %
Fuel, ammunition & stores: 79 tons, 12.1 %
Miscellaneous weights: 40 tons, 6.1 %

Metacentric height 0.7

Remarks:
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage & compartmentation is cramped
Room for accommodation & workspaces is cramped

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.11
Shellfire needed to sink: 137 lbs / 62 Kg = 3.9 x 4.1 " / 105 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 0.2
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 51 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.58
Relative quality as seaboat: 1.02

Hull form characteristics:
Block coefficient: 0.400
Sharpness coefficient: 0.29
Hull speed coefficient 'M': 8.11
'Natural speed' for length: 15.17 kts
Power going to wave formation at top speed: 71 %
Trim: 50
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 189.6 %
Relative accommodation and working space: 74.0 %
(Average = 100%)
Displacement factor: 40 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.50
(Structure weight / hull surface area: 29 lbs / square foot or 141 Kg / square metre)
Relative longitudinal hull strength: 2.24
(for 12.10 ft / 3.69 m average freeboard, freeboard adjustment 3.33 ft)
Relative composite hull strength: 0.58

FSS: F, Japan Destroyer laid down 1921

Displacement:
575 t light; 594 t standard; 652 t normal; 695 t full load
Loading submergence 100 tons/feet

Dimensions:
270.00 ft x 24.70 ft x 9.00 ft (normal load)
82.30 m x 7.53 m x 2.74 m

Armament:
4 - 2.95" / 75 mm guns (4 Main turrets x 1 guns, 2 superfiring turrets)
4 - 1.97" / 50 mm AA guns
12 - 0.98" / 25 mm guns
Weight of broadside 72 lbs / 33 kg
2 - 24.0" / 609.6 mm above water torpedoes

Armour:
Main turrets 1.00" / 25 mm

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 16,703 shp / 12,460 Kw = 30.40 kts
Range 3,400nm at 12.00 kts

Complement:
64 - 83

Cost:
£0.185 million / $0.741 million

Distribution of weights at normal displacement:
Armament: 9 tons, 1.4 %
Armour: 17 tons, 2.6 %
Belts: 0 tons, 0.0 %, Armament: 17 tons, 2.6 %, Armour Deck: 0 tons, 0.0 %
Conning Tower: 0 tons, 0.0 %, Torpedo bulkhead: 0 tons, 0.0 %
Machinery: 322 tons, 49.4 %
Hull, fittings & equipment: 197 tons, 30.3 %
Fuel, ammunition & stores: 76 tons, 11.7 %
Miscellaneous weights: 30 tons, 4.6 %

Metacentric height 0.9

Remarks:
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage & compartmentation is cramped
Room for accommodation & workspaces is cramped

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.21
Shellfire needed to sink: 178 lbs / 81 Kg = 13.8 x 3.0 " / 75 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 0.2
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 51 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.34
Relative quality as seaboat: 1.02

Hull form characteristics:
Block coefficient: 0.380
Sharpness coefficient: 0.28
Hull speed coefficient 'M': 9.52
'Natural speed' for length: 16.43 kts
Power going to wave formation at top speed: 66 %
Trim: 50
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 175.2 %
Relative accommodation and working space: 87.1 %
(Average = 100%)
Displacement factor: 51 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.50
(Structure weight / hull surface area: 27 lbs / square foot or 132 Kg / square metre)
Relative longitudinal hull strength: 1.25
(for 11.50 ft / 3.51 m average freeboard, freeboard adjustment 2.73 ft)
Relative composite hull strength: 0.55

FSS: OC, Japan Destroyer laid down 1922

Displacement:
573 t light; 599 t standard; 651 t normal; 690 t full load
Loading submergence 100 tons/feet

Dimensions:
270.00 ft x 24.68 ft x 9.00 ft (normal load)
82.30 m x 7.52 m x 2.74 m

Armament:
2 - 4.13" / 105 mm guns (2 Main turrets x 1 guns, 1 superfiring turret)
1 - 5.12" / 130 mm guns (1 2nd turrets x 1 guns)
4 - 1.97" / 50 mm AA guns
12 - 0.98" / 25 mm guns
Weight of broadside 159 lbs / 72 kg
2 - 24.0" / 609.6 mm above water torpedoes

Armour:
Main turrets 1.00" / 25 mm, 2nd turrets 1.00" / 25 mm

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 14,072 shp / 10,498 Kw = 29.20 kts
Range 3,110nm at 12.00 kts

Complement:
64 - 83

Cost:
£0.210 million / $0.841 million

Distribution of weights at normal displacement:
Armament: 20 tons, 3.0 %
Armour: 19 tons, 3.0 %
Belts: 0 tons, 0.0 %, Armament: 19 tons, 3.0 %, Armour Deck: 0 tons, 0.0 %
Conning Tower: 0 tons, 0.0 %, Torpedo bulkhead: 0 tons, 0.0 %
Machinery: 288 tons, 44.3 %
Hull, fittings & equipment: 215 tons, 33.1 %
Fuel, ammunition & stores: 78 tons, 12.0 %
Miscellaneous weights: 30 tons, 4.6 %

Metacentric height 0.8

Remarks:
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage & compartmentation is cramped
Room for accommodation & workspaces is cramped

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.15
Shellfire needed to sink: 173 lbs / 79 Kg = 4.9 x 4.1 " / 105 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 0.2
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 50 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.76
Relative quality as seaboat: 1.00

Hull form characteristics:
Block coefficient: 0.380
Sharpness coefficient: 0.28
Hull speed coefficient 'M': 9.52
'Natural speed' for length: 16.43 kts
Power going to wave formation at top speed: 64 %
Trim: 50
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 171.2 %
Relative accommodation and working space: 83.3 %
(Average = 100%)
Displacement factor: 56 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 0.50
(Structure weight / hull surface area: 30 lbs / square foot or 146 Kg / square metre)
Relative longitudinal hull strength: 1.24
(for 11.00 ft / 3.35 m average freeboard, freeboard adjustment 2.23 ft)
Relative composite hull strength: 0.54