WesWorld

Class 1 Destroyers.

Destroyers class 1 in service.


Mutsuki Class: Mutsuki, Satsuki, Kisarigi, Yayoi, Uzuki, Fumizuki, Kikuzuki, Minazuki, Mikazuki, Nagatsuki, Yuzuki, Mochizuki, Akizuki, Teruzuki, Suzutsuki.

Mutsuki, Japan Large Destroyer laid down 1933

Displacement:
1,964 t light; 2,100 t standard; 2,339 t normal; 2,530 t full load

Dimensions: Length overall / water x beam x draught
400.43 ft / 390.00 ft x 35.00 ft x 14.28 ft (normal load)
122.05 m / 118.87 m x 10.67 m x 4.35 m

Armament:
6 - 5.12" / 130 mm guns (3x2 guns), 65.00lbs / 29.48kg shells, 1930 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, majority aft, 1 raised mount aft - superfiring
8 - 1.97" / 50.0 mm guns (2x4 guns), 4.00lbs / 1.81kg shells, 1926 Model
Anti-aircraft guns in deck mounts
on side, all amidships
18 - 0.98" / 25.0 mm guns (6x3 guns), 0.57lbs / 0.26kg shells, 1926 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 432 lbs / 196 kg
Shells per gun, main battery: 350
12 - 24.0" / 609.6 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.00" / 51 mm 1.00" / 25 mm 1.00" / 25 mm
2nd: 1.00" / 25 mm - -
3rd: 1.00" / 25 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 42,758 shp / 31,898 Kw = 34.00 kts
Range 4,750nm at 15.00 kts
Bunker at max displacement = 430 tons

Complement:
167 - 218

Cost:
£1.255 million / $5.020 million

Distribution of weights at normal displacement:
Armament: 55 tons, 2.4 %
Armour: 33 tons, 1.4 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 33 tons, 1.4 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 1,074 tons, 45.9 %
Hull, fittings & equipment: 677 tons, 28.9 %
Fuel, ammunition & stores: 375 tons, 16.0 %
Miscellaneous weights: 125 tons, 5.3 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
591 lbs / 268 Kg = 8.8 x 5.1 " / 130 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 1.2 ft / 0.4 m
Roll period: 13.2 seconds
Steadiness - As gun platform (Average = 50 %): 51 %
- Recoil effect (Restricted arc if above 1.00): 0.67
Seaboat quality (Average = 1.00): 1.02

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.420
Length to Beam Ratio: 11.14 : 1
'Natural speed' for length: 22.58 kts
Power going to wave formation at top speed: 65 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 4.00 ft / 1.22 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 24.00 ft / 7.32 m
- Forecastle (20 %): 14.70 ft / 4.48 m
- Mid (50 %): 14.70 ft / 4.48 m
- Quarterdeck (15 %): 14.70 ft / 4.48 m
- Stern: 14.40 ft / 4.39 m
- Average freeboard: 15.42 ft / 4.70 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 174.5 %
- Above water (accommodation/working, high = better): 30.9 %
Waterplane Area: 8,835 Square feet or 821 Square metres
Displacement factor (Displacement / loading): 76 %
Structure weight / hull surface area: 38 lbs/sq ft or 185 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.70
- Overall: 0.57
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is extremely poor

Shimakaze, Japan Destroyer laid down 1942


Displacement:
2,840 t light; 2,999 t standard; 3,329 t normal; 3,593 t full load

Dimensions: Length overall / water x beam x draught
448.74 ft / 440.00 ft x 41.00 ft x 15.50 ft (normal load)
136.77 m / 134.11 m x 12.50 m x 4.72 m

Armament:
6 - 5.00" / 127 mm guns (3x2 guns), 55.12lbs / 25.00kg shells, 1942 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, majority aft, 1 raised mount aft - superfiring
8 - 1.57" / 40.0 mm guns (2x4 guns), 2.00lbs / 0.91kg shells, 1942 Model
Anti-aircraft guns in deck mounts
on side, all amidships, all raised mounts - superfiring
12 - 0.98" / 25.0 mm guns (4x3 guns), 0.57lbs / 0.26kg shells, 1942 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 354 lbs / 160 kg
Shells per gun, main battery: 450
15 - 24.0" / 609.6 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.00" / 51 mm 1.00" / 25 mm 1.00" / 25 mm
2nd: 1.00" / 25 mm - -
3rd: 1.00" / 25 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 75,000 shp / 55,950 Kw = 37.47 kts
Range 5,000nm at 16.00 kts
Bunker at max displacement = 594 tons

Complement:
218 - 284

Cost:
£2.473 million / $9.893 million

Distribution of weights at normal displacement:
Armament: 50 tons, 1.5%
Armour: 31 tons, 0.9%
- Belts: 0 tons, 0.0%
- Torpedo bulkhead: 0 tons, 0.0%
- Armament: 31 tons, 0.9%
- Armour Deck: 0 tons, 0.0%
- Conning Tower: 0 tons, 0.0%
Machinery: 1,769 tons, 53.1%
Hull, fittings & equipment: 816 tons, 24.5%
Fuel, ammunition & stores: 489 tons, 14.7%
Miscellaneous weights: 175 tons, 5.3%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
631 lbs / 286 Kg = 10.1 x 5.0 " / 127 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.08
Metacentric height 1.5 ft / 0.5 m
Roll period: 13.9 seconds
Steadiness - As gun platform (Average = 50 %): 51 %
- Recoil effect (Restricted arc if above 1.00): 0.32
Seaboat quality (Average = 1.00): 0.72

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.417
Length to Beam Ratio: 10.73 : 1
'Natural speed' for length: 24.06 kts
Power going to wave formation at top speed: 67 %
Trim (Max stability = 0, Max steadiness = 100): 71
Bow angle (Positive = bow angles forward): 20.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 24.00 ft / 7.32 m
- Forecastle (10%): 19.75 ft / 6.02 m
- Mid (25%): 19.75 ft / 6.02 m (13.50 ft / 4.11 m aft of break)
- Quarterdeck (15%): 13.50 ft / 4.11 m
- Stern: 13.50 ft / 4.11 m
- Average freeboard: 15.23 ft / 4.64 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 190.4%
- Above water (accommodation/working, high = better): 37.8%
Waterplane Area: 11,649 Square feet or 1,082 Square metres
Displacement factor (Displacement / loading): 74%
Structure weight / hull surface area: 40 lbs/sq ft or 195 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.03
- Overall: 0.53
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is extremely poor
Poor seaboat, wet and uncomfortable, reduced performance in heavy weather

175 tons
45 tons for torpedoes.
50 tons for electronics.
80 tons for Depth charges, rails, Ika ASW mortars, depth charge projector and depth charge throwers.