You are not logged in.

Dear visitor, welcome to WesWorld. If this is your first visit here, please read the Help. It explains in detail how this page works. To use all features of this page, you should consider registering. Please use the registration form, to register here or read more information about the registration process. If you are already registered, please login here.

1

Thursday, September 30th 2004, 6:51pm

F.9. Light Cruisers

Light Cruisers of the Japanese Navy.

Light Cruisers in service.


Tenryu Class: Tenryu, Tatsuta.

Kuma Class: Kuma, Tama, Kitakama, Oi, Kiso.

Nagara Class: Nagara, Isuzu, Natori, Kinu, Yura, Abukuma.

Kameko-chan.

Waissu Class: Fujimiya, Hidaka, Kudou, Tsukiyono, Aoi, Kitaura, Hibino, Murase.

Undiine Class: Akari, Arishia, Aika, Akira, Arisu, Atena.

Zagato Class: Zagato, Emeraude.

Babiron Class: Subaru, Hokuto, Seishirou.

Sureyazu Class: Rina, Naaga, Gaorii, Ameria, Zerugadisu, Shirufiru, Varugaavu, Firia, Zerosu, Maruchina.

Naka Class: Naka, Jintsu.

Agano Class: Agano, Noshiro, Yahagi, Sakawa.

This post has been edited 4 times, last edit by "Rooijen10" (Jan 29th 2012, 9:53am)


2

Saturday, October 16th 2004, 3:16pm

Tenryu, Japan Light Cruiser laid down 1912
All scrapped in 1942

Displacement:
5,296 t light; 5,500 t standard; 6,638 t normal; 7,521 t full load
Loading submergence 529 tons/feet

Dimensions:
550.00 ft x 55.00 ft x 16.00 ft (normal load)
167.64 m x 16.76 m x 4.88 m

Armament:
10 - 5.12" / 130 mm guns
10 - 2.95" / 75 mm guns
12 - 1.97" / 50 mm QF guns
24 - 0.98" / 25 mm guns
Weight of broadside 856 lbs / 388 kg
6 - 21.0" / 533.4 mm above water torpedoes

Armour:
Belt 3.00" / 76 mm, ends unarmoured
Belts cover 102 % of normal area
Main gun shields 1.00" / 25 mm, 2nd gun shields 1.00" / 25 mm
QF gun shields 1.00" / 25 mm, Light gun shields 1.00" / 25 mm
Armour deck 1.00" / 25 mm, Conning tower 2.00" / 51 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 45,253 shp / 33,759 Kw = 29.00 kts
Range 12,000nm at 12.00 kts

Complement:
367 - 477

Cost:
£0.528 million / $2.112 million

Distribution of weights at normal displacement:
Armament: 107 tons, 1.6 %
Armour: 805 tons, 12.1 %
Belts: 399 tons, 6.0 %, Armament: 49 tons, 0.7 %, Armour Deck: 342 tons, 5.2 %
Conning Tower: 15 tons, 0.2 %, Torpedo bulkhead: 0 tons, 0.0 %
Machinery: 1,804 tons, 27.2 %
Hull, fittings & equipment: 2,580 tons, 38.9 %
Fuel, ammunition & stores: 1,342 tons, 20.2 %
Miscellaneous weights: 0 tons, 0.0 %

Metacentric height 3.7

Remarks:
Hull space for machinery, storage & compartmentation is adequate
Room for accommodation & workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.40
Shellfire needed to sink: 8,653 lbs / 3,925 Kg = 129.1 x 5.1 " / 130 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 1.3
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 71 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.11
Relative quality as seaboat: 1.22

Hull form characteristics:
Block coefficient: 0.480
Sharpness coefficient: 0.32
Hull speed coefficient 'M': 8.95
'Natural speed' for length: 23.45 kts
Power going to wave formation at top speed: 51 %
Trim: 58
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 101.0 %
Relative accommodation and working space: 130.1 %
(Average = 100%)
Displacement factor: 126 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 1.05
(Structure weight / hull surface area: 89 lbs / square foot or 432 Kg / square metre)
Relative longitudinal hull strength: 1.05
(for 15.70 ft / 4.79 m average freeboard, freeboard adjustment 1.75 ft)
Relative composite hull strength: 1.05

3

Saturday, October 16th 2004, 3:17pm

Kuma, Japan Light Cruiser laid down 1916

Displacement:
6,155 t light; 6,391 t standard; 7,653 t normal; 8,631 t full load
Loading submergence 650 tons/feet

Dimensions:
620.00 ft x 60.00 ft x 15.00 ft (normal load)
188.98 m x 18.29 m x 4.57 m

Armament:
12 - 5.12" / 130 mm guns
10 - 2.95" / 75 mm guns
12 - 1.97" / 50 mm AA guns
24 - 0.98" / 25 mm guns
Weight of broadside 990 lbs / 449 kg
8 - 21.0" / 533.4 mm above water torpedoes

Armour:
Belt 2.00" / 51 mm, ends unarmoured
Belts cover 89 % of normal area
Main gun shields 1.00" / 25 mm, 2nd gun shields 1.00" / 25 mm
AA gun shields 1.00" / 25 mm, Light gun shields 1.00" / 25 mm
Armour deck 1.50" / 38 mm, Conning tower 4.00" / 102 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 47,564 shp / 35,483 Kw = 29.00 kts
Range 14,000nm at 12.00 kts

Complement:
409 - 531

Cost:
£0.929 million / $3.715 million

Distribution of weights at normal displacement:
Armament: 124 tons, 1.6 %
Armour: 983 tons, 12.8 %
Belts: 272 tons, 3.6 %, Armament: 46 tons, 0.6 %, Armour Deck: 631 tons, 8.2 %
Conning Tower: 33 tons, 0.4 %, Torpedo bulkhead: 0 tons, 0.0 %
Machinery: 1,772 tons, 23.2 %
Hull, fittings & equipment: 3,276 tons, 42.8 %
Fuel, ammunition & stores: 1,497 tons, 19.6 %
Miscellaneous weights: 0 tons, 0.0 %

Metacentric height 4.2

Remarks:
Hull space for machinery, storage & compartmentation is adequate
Room for accommodation & workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.40
Shellfire needed to sink: 13,198 lbs / 5,987 Kg = 196.9 x 5.1 " / 130 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 1.8
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 71 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.11
Relative quality as seaboat: 1.43

Hull form characteristics:
Block coefficient: 0.480
Sharpness coefficient: 0.32
Hull speed coefficient 'M': 9.62
'Natural speed' for length: 24.90 kts
Power going to wave formation at top speed: 47 %
Trim: 50
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 88.2 %
Relative accommodation and working space: 167.0 %
(Average = 100%)
Displacement factor: 139 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 1.03
(Structure weight / hull surface area: 92 lbs / square foot or 451 Kg / square metre)
Relative longitudinal hull strength: 1.02
(for 18.50 ft / 5.64 m average freeboard, freeboard adjustment 4.15 ft)
Relative composite hull strength: 1.02

4

Saturday, October 16th 2004, 3:18pm

Nagara, Japan Light Cruiser laid down 1917
All scrapped in 1942/43

Displacement:
6,694 t light; 6,937 t standard; 8,023 t normal; 8,859 t full load
Loading submergence 681 tons/feet

Dimensions:
650.00 ft x 60.00 ft x 15.00 ft (normal load)
198.12 m x 18.29 m x 4.57 m

Armament:
12 - 5.12" / 130 mm guns
10 - 2.95" / 75 mm guns
12 - 1.97" / 50 mm AA guns
24 - 0.98" / 25 mm guns
Weight of broadside 990 lbs / 449 kg
8 - 21.0" / 533.4 mm above water torpedoes

Armour:
Belt 2.00" / 51 mm, ends unarmoured
Belts cover 95 % of normal area
Main gun shields 1.00" / 25 mm, 2nd gun shields 1.00" / 25 mm
AA gun shields 1.00" / 25 mm, Light gun shields 1.00" / 25 mm
Armour deck 1.50" / 38 mm, Conning tower 4.00" / 102 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 54,757 shp / 40,849 Kw = 30.00 kts
Range 12,000nm at 12.00 kts

Complement:
423 - 551

Cost:
£1.126 million / $4.504 million

Distribution of weights at normal displacement:
Armament: 124 tons, 1.5 %
Armour: 1,048 tons, 13.1 %
Belts: 304 tons, 3.8 %, Armament: 48 tons, 0.6 %, Armour Deck: 662 tons, 8.2 %
Conning Tower: 35 tons, 0.4 %, Torpedo bulkhead: 0 tons, 0.0 %
Machinery: 2,007 tons, 25.0 %
Hull, fittings & equipment: 3,515 tons, 43.8 %
Fuel, ammunition & stores: 1,329 tons, 16.6 %
Miscellaneous weights: 0 tons, 0.0 %

Metacentric height 3.9

Remarks:
Hull space for machinery, storage & compartmentation is adequate
Room for accommodation & workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable and able to fight her guns in the heaviest weather

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.34
Shellfire needed to sink: 13,480 lbs / 6,114 Kg = 201.1 x 5.1 " / 130 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 1.7
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 75 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.13
Relative quality as seaboat: 1.50

Hull form characteristics:
Block coefficient: 0.480
Sharpness coefficient: 0.32
Hull speed coefficient 'M': 9.93
'Natural speed' for length: 25.50 kts
Power going to wave formation at top speed: 47 %
Trim: 50
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 93.6 %
Relative accommodation and working space: 186.3 %
(Average = 100%)
Displacement factor: 133 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 1.00
(Structure weight / hull surface area: 92 lbs / square foot or 450 Kg / square metre)
Relative longitudinal hull strength: 1.05
(for 20.20 ft / 6.16 m average freeboard, freeboard adjustment 5.71 ft)
Relative composite hull strength: 1.01

5

Saturday, October 16th 2004, 3:19pm

Kameko-chan, Japan CL, Empress' Island Hopper laid down 1921

Displacement:
7,770 t light; 7,999 t standard; 8,823 t normal; 9,447 t full load
Loading submergence 636 tons/feet

Dimensions:
580.00 ft x 58.00 ft x 17.00 ft (normal load)
176.78 m x 17.68 m x 5.18 m

Armament:
8 - 5.12" / 130 mm guns (4 Main turrets x 2 guns, 2 superfiring turrets)
20 - 1.97" / 50 mm AA guns
42 - 0.98" / 25 mm guns
Weight of broadside 633 lbs / 287 kg
12 - 24.0" / 609.6 mm above water torpedoes

Armour:
Belt 4.00" / 102 mm, upper belt 12.00" / 305 mm, end belts 2.00" / 51 mm
Belts do not cover the normal areas.
Main belt does not protect magazines and engineering spaces, protects the Guard deck habitat area only. Ends Armor protects remainder of the Guard deck. Upper belt protects Swimming Pool only.
Armour deck 1.00" / 25 mm, Empress’ Room 17.00" / 432 mm

Machinery:
Diesel Internal combustion motors,
Geared drive, 2 shafts, 62,185 shp / 46,390 Kw = 30.00 kts
Range 6,130nm at 15.00 kts

Complement:
455 - 591

Cost:
£1.624 million / $6.498 million

Distribution of weights at normal displacement:
Armament: 79 tons, 0.9 %
Armour: 1,334 tons, 15.1 %
Belts: 685 tons, 7.8 %, Armament: 80 tons, 0.9 %, Armour Deck: 412 tons, 4.7 %
Empress’ Room: 156 tons, 1.8 %, Torpedo bulkhead: 0 tons, 0.0 %
Machinery: 2,141 tons, 24.3 %
Hull, fittings & equipment: 3,126 tons, 35.4 %
Fuel, ammunition & stores: 1,053 tons, 11.9 %
Miscellaneous weights: 1,090 tons, 12.4 %

Metacentric height 2.4

Remarks:
Hull space for machinery, storage & compartmentation is adequate
Room for accommodation & workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform
150 m^3 swimming pool (15x2x5)
Misc. load division:
712 tons => 89 rooms for the Empress’ Troops (8 tons each)
150 tons => 120 m^3 swimming pool
48 tons => Empress’ Room
60 tons => Horses (90)
20 tons => Stables
10 tons => Ramp + operating mechanism.
25 tons => Crane and Catapult.
25 tons => Floatplane + Fuel.
20 tons => 2 large 10 ton boats
20 tons => 4 small 5 ton boats

Estimated overall survivability and seakeeping ability:
Relative margin of stability: 1.05
Shellfire needed to sink: 10,476 lbs / 4,752 Kg = 156.3 x 5.1 " / 130 mm shells
(Approx weight of penetrating shell hits needed to sink ship excluding critical hits)
Torpedoes needed to sink: 1.5
(Approx number of typical torpedo hits needed to sink ship)
Relative steadiness as gun platform: 70 %
(Average = 50 %)
Relative rocking effect from firing to beam: 0.20
Relative quality as seaboat: 1.10

Hull form characteristics:
Block coefficient: 0.540
Sharpness coefficient: 0.34
Hull speed coefficient 'M': 8.58
'Natural speed' for length: 24.08 kts
Power going to wave formation at top speed: 54 %
Trim: 64
(Maximise stabilty/flotation = 0, Maximise steadiness/seakeeping = 100)

Estimated hull characteristics & strength:
Underwater volume absorbed by magazines and engineering spaces: 99.5 %
Relative accommodation and working space: 115.2 %
(Average = 100%)
Displacement factor: 120 %
(Displacement relative to loading factors)
Relative cross-sectional hull strength: 1.00
(Structure weight / hull surface area: 89 lbs / square foot or 437 Kg / square metre)
Relative longitudinal hull strength: 1.00
(for 18.20 ft / 5.55 m average freeboard, freeboard adjustment 3.43 ft)
Relative composite hull strength: 1.00

6

Saturday, October 15th 2005, 9:29pm

Waissu/Shuraiento/Shuwarutsu, Japan Scout Cruiser laid down 1929

Displacement:
3,629 t light; 3,840 t standard; 4,452 t normal; 4,942 t full load

Dimensions: Length overall / water x beam x draught
507.23 ft / 500.00 ft x 45.50 ft x 17.00 ft (normal load)
154.61 m / 152.40 m x 13.87 m x 5.18 m

Armament:
8 - 5.12" / 130 mm guns (4x2 guns), 70.00lbs / 31.75kg shells, 1921 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, evenly spread, 2 raised mounts - superfiring
8 - 1.97" / 50.0 mm guns (4x2 guns), 4.00lbs / 1.81kg shells, 1926 Model
Anti-aircraft guns in deck mounts
on side ends, evenly spread
18 - 0.98" / 25.0 mm guns (6x3 guns), 0.57lbs / 0.26kg shells, 1926 Model
Anti-aircraft guns in deck mounts
on side, all amidships, 2 raised mounts - superfiring
Weight of broadside 602 lbs / 273 kg
Shells per gun, main battery: 350
8 - 24.0" / 609.6 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3.00" / 76 mm 1.00" / 25 mm 2.00" / 51 mm
2nd: 1.00" / 25 mm - -
3rd: 1.00" / 25 mm - -

- Conning tower: 3.00" / 76 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 71,387 shp / 53,255 Kw = 36.00 kts
Range 8,000nm at 15.00 kts
Bunker at max displacement = 1,102 tons

Complement:
272 - 354

Cost:
£1.958 million / $7.831 million

Distribution of weights at normal displacement:
Armament: 72 tons, 1.6 %
Armour: 71 tons, 1.6 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 53 tons, 1.2 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 17 tons, 0.4 %
Machinery: 2,157 tons, 48.5 %
Hull, fittings & equipment: 1,203 tons, 27.0 %
Fuel, ammunition & stores: 823 tons, 18.5 %
Miscellaneous weights: 125 tons, 2.8 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
1,124 lbs / 510 Kg = 16.8 x 5.1 " / 130 mm shells or 0.4 torpedoes
Stability (Unstable if below 1.00): 1.09
Metacentric height 1.8 ft / 0.5 m
Roll period: 14.3 seconds
Steadiness - As gun platform (Average = 50 %): 100 %
- Recoil effect (Restricted arc if above 1.00): 0.66
Seaboat quality (Average = 1.00): 1.20

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.403
Length to Beam Ratio: 10.99 : 1
'Natural speed' for length: 25.65 kts
Power going to wave formation at top speed: 61 %
Trim (Max stability = 0, Max steadiness = 100): 84
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 27.00 ft / 8.23 m
- Forecastle (20 %): 17.85 ft / 5.44 m
- Mid (50 %): 17.85 ft / 5.44 m
- Quarterdeck (15 %): 17.85 ft / 5.44 m
- Stern: 16.20 ft / 4.94 m
- Average freeboard: 18.46 ft / 5.63 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 173.7 %
- Above water (accommodation/working, high = better): 124.4 %
Waterplane Area: 14,558 Square feet or 1,352 Square metres
Displacement factor (Displacement / loading): 86 %
Structure weight / hull surface area: 44 lbs/sq ft or 217 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.28
- Overall: 0.55
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Good seaboat, rides out heavy weather easily

- Twenty-four 24 inch Type 89 torpedo (= 2.66 tons/torpedo) 63.84 tons
- 61.16 tons miscellaneous weight for improved turret train speed, elevation speed, loading time, fire control, etc.
- Semi-automatic loading system for 13cm guns.

7

Saturday, April 8th 2006, 8:48pm

Furuba class moved to the correct chapter.

8

Sunday, May 14th 2006, 4:21pm

Undiine class (Former Aria class),

Mizunashi Akari, Arishia Furourensu, Aika S. Guranschesuta, Akira E. Feeraari & Arisu Kyaroru Version.
Japan Light Cruiser laid down 1931

Displacement:
8,067 t light; 8,421 t standard; 9,974 t normal; 11,215 t full load

Dimensions: Length overall / water x beam x draught
619.29 ft / 610.00 ft x 61.00 ft x 19.75 ft (normal load)
188.76 m / 185.93 m x 18.59 m x 6.02 m

Armament:
9 - 5.91" / 150 mm guns (3x3 guns), 105.00lbs / 47.63kg shells, 1930 Model
Quick firing guns in turrets (on barbettes)
on centreline ends, majority forward, 1 raised mount - superfiring
8 - 4.13" / 105 mm guns (4x2 guns), 34.00lbs / 15.42kg shells, 1930 Model
Dual purpose guns in deck mounts with hoists
on side, all amidships
16 - 1.97" / 50.0 mm guns (4x4 guns), 4.00lbs / 1.81kg shells, 1926 Model
Anti-aircraft guns in deck mounts
on side ends, evenly spread
12 - 0.98" / 25.0 mm guns (4x3 guns), 0.57lbs / 0.26kg shells, 1926 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
16 - 0.52" / 13.2 mm guns (4x4 guns), 0.09lbs / 0.04kg shells, 1930 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 1,289 lbs / 585 kg
Shells per gun, main battery: 200
12 - 24.0" / 609.6 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 4.00" / 102 mm 365.00 ft / 111.25 m 9.50 ft / 2.90 m
Ends: Unarmoured
Main Belt covers 92 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 4.00" / 102 mm 3.00" / 76 mm 3.00" / 76 mm
2nd: 2.00" / 51 mm 1.00" / 25 mm 2.00" / 51 mm
3rd: 1.00" / 25 mm - -
4th: 1.00" / 25 mm - -
5th: 0.50" / 13 mm - -

- Armour deck: 1.50" / 38 mm, Conning tower: 2.75" / 70 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 76,159 shp / 56,814 Kw = 32.50 kts
Range 8,625nm at 18.00 kts
Bunker at max displacement = 2,794 tons

Complement:
498 - 648

Cost:
£3.209 million / $12.834 million

Distribution of weights at normal displacement:
Armament: 160 tons, 1.6 %
Armour: 1,563 tons, 15.7 %
- Belts: 584 tons, 5.9 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 252 tons, 2.5 %
- Armour Deck: 699 tons, 7.0 %
- Conning Tower: 27 tons, 0.3 %
Machinery: 2,277 tons, 22.8 %
Hull, fittings & equipment: 3,767 tons, 37.8 %
Fuel, ammunition & stores: 1,907 tons, 19.1 %
Miscellaneous weights: 300 tons, 3.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
13,152 lbs / 5,966 Kg = 127.7 x 5.9 " / 150 mm shells or 1.8 torpedoes
Stability (Unstable if below 1.00): 1.14
Metacentric height 3.1 ft / 0.9 m
Roll period: 14.7 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.31
Seaboat quality (Average = 1.00): 1.05

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.475
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 28.27 kts
Power going to wave formation at top speed: 55 %
Trim (Max stability = 0, Max steadiness = 100): 67
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 2.00 ft / 0.61 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 27.20 ft / 8.29 m
- Forecastle (20 %): 17.20 ft / 5.24 m
- Mid (50 %): 17.20 ft / 5.24 m
- Quarterdeck (15 %): 17.20 ft / 5.24 m
- Stern: 15.20 ft / 4.63 m
- Average freeboard: 17.85 ft / 5.44 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 90.8 %
- Above water (accommodation/working, high = better): 117.7 %
Waterplane Area: 25,198 Square feet or 2,341 Square metres
Displacement factor (Displacement / loading): 130 %
Structure weight / hull surface area: 99 lbs/sq ft or 484 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.99
- Longitudinal: 1.12
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform


Atena Gurourii Version.
Japan Light Cruiser laid down 1934

Displacement:
8,067 t light; 8,419 t standard; 9,975 t normal; 11,219 t full load

Dimensions: Length overall / water x beam x draught
619.29 ft / 610.00 ft x 61.00 ft x 19.75 ft (normal load)
188.76 m / 185.93 m x 18.59 m x 6.02 m

Armament:
9 - 5.91" / 150 mm guns (3x3 guns), 105.00lbs / 47.63kg shells, 1934 Model
Quick firing guns in turrets (on barbettes)
on centreline ends, majority forward, 1 raised mount - superfiring
8 - 4.13" / 105 mm guns (4x2 guns), 34.00lbs / 15.42kg shells, 1934 Model
Dual purpose guns in deck mounts with hoists
on side, all amidships
16 - 1.57" / 40.0 mm guns (2x8 guns), 2.00lbs / 0.91kg shells, 1934 Model
Anti-aircraft guns in deck mounts
on centreline ends, evenly spread, all raised mounts
24 - 0.98" / 25.0 mm guns (8x3 guns), 0.57lbs / 0.26kg shells, 1934 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 4 raised mounts
32 - 0.52" / 13.2 mm guns (4x8 guns), 0.09lbs / 0.04kg shells, 1934 Model
Machine guns in deck mounts
on side ends, evenly spread
Weight of broadside 1,266 lbs / 574 kg
Shells per gun, main battery: 200
12 - 24.0" / 609.6 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 4.00" / 102 mm 365.00 ft / 111.25 m 9.50 ft / 2.90 m
Ends: Unarmoured
Main Belt covers 92% of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 4.00" / 102 mm 3.00" / 76 mm 3.00" / 76 mm
2nd: 2.00" / 51 mm 1.00" / 25 mm 2.00" / 51 mm
3rd: 1.00" / 25 mm 1.00" / 25 mm -
4th: 1.00" / 25 mm 1.00" / 25 mm -
5th: 0.50" / 13 mm 0.50" / 13 mm -

- Armour deck: 1.50" / 38 mm, Conning tower: 2.75" / 70 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 76,163 shp / 56,818 Kw = 32.50 kts
Range 8,900nm at 18.00 kts
Bunker at max displacement = 2,800 tons

Complement:
498 - 648

Cost:
£3.539 million / $14.154 million

Distribution of weights at normal displacement:
Armament: 157 tons, 1.6%
Armour: 1,576 tons, 15.8%
- Belts: 584 tons, 5.9%
- Torpedo bulkhead: 0 tons, 0.0%
- Armament: 265 tons, 2.7%
- Armour Deck: 699 tons, 7.0%
- Conning Tower: 27 tons, 0.3%
Machinery: 2,191 tons, 22.0%
Hull, fittings & equipment: 3,743 tons, 37.5%
Fuel, ammunition & stores: 1,907 tons, 19.1%
Miscellaneous weights: 400 tons, 4.0%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
13,281 lbs / 6,024 Kg = 129.0 x 5.9 " / 150 mm shells or 1.8 torpedoes
Stability (Unstable if below 1.00): 1.12
Metacentric height 3.0 ft / 0.9 m
Roll period: 14.9 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.30
Seaboat quality (Average = 1.00): 1.05

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.475
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 28.27 kts
Power going to wave formation at top speed: 55 %
Trim (Max stability = 0, Max steadiness = 100): 67
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 2.00 ft / 0.61 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 27.20 ft / 8.29 m
- Forecastle (20%): 17.20 ft / 5.24 m
- Mid (50%): 17.20 ft / 5.24 m
- Quarterdeck (15%): 17.20 ft / 5.24 m
- Stern: 15.20 ft / 4.63 m
- Average freeboard: 17.85 ft / 5.44 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 88.8%
- Above water (accommodation/working, high = better): 117.7%
Waterplane Area: 25,198 Square feet or 2,341 Square metres
Displacement factor (Displacement / loading): 131%
Structure weight / hull surface area: 98 lbs/sq ft or 481 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.98
- Longitudinal: 1.12
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate
Ship has slow, easy roll, a good, steady gun platform

This post has been edited 2 times, last edit by "Rooijen10" (May 28th 2007, 11:40pm)


9

Sunday, October 29th 2006, 1:56pm

Zagato class, Japan Light Cruiser laid down 1932

Displacement:
8,114 t light; 8,421 t standard; 9,609 t normal; 10,559 t full load

Dimensions: Length overall / water x beam x draught
634.32 ft / 620.08 ft x 54.46 ft x 19.52 ft (normal load)
193.34 m / 189.00 m x 16.60 m x 5.95 m

Armament:
6 - 5.91" / 150 mm guns (2x3 guns), 105.00lbs / 47.63kg shells, 1930 Model
Quick firing guns in turrets (on barbettes)
on centreline, all forward, 1 raised mount - superfiring
8 - 4.13" / 105 mm guns (4x2 guns), 34.00lbs / 15.42kg shells, 1930 Model
Dual purpose guns in deck mounts with hoists
on side, all amidships
16 - 1.57" / 40.0 mm guns (2x8 guns), 2.00lbs / 0.91kg shells, 1923 Model
Anti-aircraft guns in deck mounts
on side, all amidships
12 - 0.98" / 25.0 mm guns (4x3 guns), 0.57lbs / 0.26kg shells, 1926 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 941 lbs / 427 kg
Shells per gun, main battery: 200

6 float planes + 1 catapult + 2 cranes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.00" / 76 mm 455.00 ft / 138.68 m 8.86 ft / 2.70 m
Ends: Unarmoured
Main Belt covers 113 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 4.00" / 102 mm 3.00" / 76 mm 3.00" / 76 mm
2nd: 2.00" / 51 mm 1.00" / 25 mm 2.00" / 51 mm
3rd: 1.00" / 25 mm 1.00" / 25 mm -
4th: 1.00" / 25 mm 1.00" / 25 mm -

- Armour deck: 1.15" / 29 mm, Conning tower: 2.75" / 70 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 100,288 shp / 74,815 Kw = 35.00 kts
Range 10,000nm at 15.00 kts
Bunker at max displacement = 2,138 tons

Complement:
484 - 630

Cost:
£3.622 million / $14.488 million

Distribution of weights at normal displacement:
Armament: 117 tons, 1.2 %
Armour: 1,216 tons, 12.7 %
- Belts: 490 tons, 5.1 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 197 tons, 2.0 %
- Armour Deck: 503 tons, 5.2 %
- Conning Tower: 27 tons, 0.3 %
Machinery: 2,960 tons, 30.8 %
Hull, fittings & equipment: 3,620 tons, 37.7 %
Fuel, ammunition & stores: 1,495 tons, 15.6 %
Miscellaneous weights: 200 tons, 2.1 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
9,206 lbs / 4,176 Kg = 89.4 x 5.9 " / 150 mm shells or 1.2 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 2.4 ft / 0.7 m
Roll period: 14.8 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.37
Seaboat quality (Average = 1.00): 1.01

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.510
Length to Beam Ratio: 11.39 : 1
'Natural speed' for length: 28.11 kts
Power going to wave formation at top speed: 58 %
Trim (Max stability = 0, Max steadiness = 100): 69
Bow angle (Positive = bow angles forward): 25.00 degrees
Stern overhang: 2.00 ft / 0.61 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 26.25 ft / 8.00 m
- Forecastle (20 %): 18.70 ft / 5.70 m
- Mid (50 %): 18.70 ft / 5.70 m
- Quarterdeck (15 %): 18.70 ft / 5.70 m
- Stern: 16.73 ft / 5.10 m
- Average freeboard: 19.16 ft / 5.84 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 112.2 %
- Above water (accommodation/working, high = better): 173.9 %
Waterplane Area: 23,623 Square feet or 2,195 Square metres
Displacement factor (Displacement / loading): 116 %
Structure weight / hull surface area: 94 lbs/sq ft or 458 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.97
- Longitudinal: 1.24
- Overall: 1.00
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform

10

Sunday, October 29th 2006, 1:59pm

Tokyo Babiron, Japan Seagoing Training Cruiser laid down 1932

Displacement:
5,613 t light; 5,856 t standard; 6,546 t normal; 7,098 t full load

Dimensions: Length overall / water x beam x draught
548.59 ft / 530.00 ft x 49.00 ft x 18.00 ft (normal load)
167.21 m / 161.54 m x 14.94 m x 5.49 m

Armament:
6 - 5.91" / 150 mm guns (3x2 guns), 105.00lbs / 47.63kg shells, 1930 Model
Quick firing guns in turrets (on barbettes)
on centreline ends, majority forward, 1 raised mount - superfiring
8 - 4.13" / 105 mm guns (4x2 guns), 34.00lbs / 15.42kg shells, 1930 Model
Dual purpose guns in deck mounts with hoists
on side, all amidships
8 - 1.57" / 40.0 mm guns (2x4 guns), 2.00lbs / 0.91kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on centreline ends, evenly spread
12 - 0.98" / 25.0 mm guns (4x3 guns), 0.57lbs / 0.26kg shells, 1932 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
16 - 0.52" / 13.2 mm guns (4x4 guns), 0.09lbs / 0.04kg shells, 1932 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 926 lbs / 420 kg
Shells per gun, main battery: 200
8 - 24.0" / 609.6 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.00" / 76 mm 390.00 ft / 118.87 m 8.50 ft / 2.59 m
Ends: Unarmoured
Main Belt covers 113 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 4.00" / 102 mm 3.00" / 76 mm 3.00" / 76 mm
2nd: 2.00" / 51 mm 1.00" / 25 mm 2.00" / 51 mm
3rd: 1.00" / 25 mm 1.00" / 25 mm -
4th: 1.00" / 25 mm 1.00" / 25 mm -

- Armour deck: 1.45" / 37 mm, Conning tower: 2.75" / 70 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 65,881 shp / 49,147 Kw = 33.00 kts
Range 7,350nm at 15.00 kts
Bunker at max displacement = 1,242 tons

Complement:
363 - 473

Cost:
£2.571 million / $10.283 million

Distribution of weights at normal displacement:
Armament: 115 tons, 1.8 %
Armour: 1,115 tons, 17.0 %
- Belts: 404 tons, 6.2 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 212 tons, 3.2 %
- Armour Deck: 478 tons, 7.3 %
- Conning Tower: 21 tons, 0.3 %
Machinery: 1,945 tons, 29.7 %
Hull, fittings & equipment: 2,338 tons, 35.7 %
Fuel, ammunition & stores: 933 tons, 14.3 %
Miscellaneous weights: 100 tons, 1.5 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
5,916 lbs / 2,683 Kg = 57.4 x 5.9 " / 150 mm shells or 1.0 torpedoes
Stability (Unstable if below 1.00): 1.20
Metacentric height 2.4 ft / 0.7 m
Roll period: 13.3 seconds
Steadiness - As gun platform (Average = 50 %): 51 %
- Recoil effect (Restricted arc if above 1.00): 0.40
Seaboat quality (Average = 1.00): 1.01

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.490
Length to Beam Ratio: 10.82 : 1
'Natural speed' for length: 26.15 kts
Power going to wave formation at top speed: 59 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 3.00 ft / 0.91 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 27.00 ft / 8.23 m
- Forecastle (20 %): 17.00 ft / 5.18 m
- Mid (50 %): 17.00 ft / 5.18 m
- Quarterdeck (15 %): 17.00 ft / 5.18 m
- Stern: 15.50 ft / 4.72 m
- Average freeboard: 17.69 ft / 5.39 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 112.4 %
- Above water (accommodation/working, high = better): 115.0 %
Waterplane Area: 17,830 Square feet or 1,656 Square metres
Displacement factor (Displacement / loading): 109 %
Structure weight / hull surface area: 78 lbs/sq ft or 381 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.86
- Longitudinal: 1.33
- Overall: 0.90
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate

11

Sunday, December 24th 2006, 10:27pm



Rina Inbaasu, Japan Light Cruiser laid down 1933

Displacement:
5,437 t light; 5,851 t standard; 6,889 t normal; 7,719 t full load

Dimensions: Length overall / water x beam x draught
562.83 ft / 556.00 ft x 56.00 ft x 17.00 ft (normal load)
171.55 m / 169.47 m x 17.07 m x 5.18 m

Armament:
12 - 5.12" / 130 mm guns (6x2 guns), 65.00lbs / 29.48kg shells, 1930 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, evenly spread, 4 raised mounts - superfiring
16 - 2.95" / 75.0 mm guns (8x2 guns), 12.00lbs / 5.44kg shells, 1930 Model
Dual purpose guns in deck mounts with hoists
on side ends, evenly spread, 4 raised mounts - superfiring
8 - 1.97" / 50.0 mm guns (2x4 guns), 4.00lbs / 1.81kg shells, 1926 Model
Anti-aircraft guns in deck mounts
on centreline ends, evenly spread
12 - 0.98" / 25.0 mm guns (4x3 guns), 0.57lbs / 0.26kg shells, 1926 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
16 - 0.52" / 13.2 mm guns (4x4 guns), 0.09lbs / 0.04kg shells, 1930 Model
Machine guns in deck mounts
on side, evenly spread, 2 raised mounts
Weight of broadside 1,012 lbs / 459 kg
Shells per gun, main battery: 450
8 - 24.0" / 609.6 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 2.00" / 51 mm 405.00 ft / 123.44 m 9.00 ft / 2.74 m
Ends: Unarmoured
Main Belt covers 112 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3.00" / 76 mm 1.00" / 25 mm 2.00" / 51 mm
2nd: 2.00" / 51 mm 1.00" / 25 mm 1.00" / 25 mm
3rd: 1.00" / 25 mm 1.00" / 25 mm -
4th: 1.00" / 25 mm 1.00" / 25 mm -
5th: 0.50" / 13 mm 0.50" / 13 mm -

- Armour deck: 1.25" / 32 mm, Conning tower: 2.75" / 70 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 3 shafts, 58,346 shp / 43,526 Kw = 32.00 kts
Range 11,000nm at 15.00 kts
Bunker at max displacement = 1,868 tons

Complement:
377 - 491

Cost:
£2.545 million / $10.179 million

Distribution of weights at normal displacement:
Armament: 131 tons, 1.9 %
Armour: 922 tons, 13.4 %
- Belts: 298 tons, 4.3 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 124 tons, 1.8 %
- Armour Deck: 479 tons, 7.0 %
- Conning Tower: 21 tons, 0.3 %
Machinery: 1,700 tons, 24.7 %
Hull, fittings & equipment: 2,484 tons, 36.1 %
Fuel, ammunition & stores: 1,451 tons, 21.1 %
Miscellaneous weights: 200 tons, 2.9 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
7,675 lbs / 3,481 Kg = 114.5 x 5.1 " / 130 mm shells or 1.3 torpedoes
Stability (Unstable if below 1.00): 1.17
Metacentric height 2.8 ft / 0.9 m
Roll period: 14.0 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.34
Seaboat quality (Average = 1.00): 1.03

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.456
Length to Beam Ratio: 9.93 : 1
'Natural speed' for length: 27.07 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 68
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 25.50 ft / 7.77 m
- Forecastle (20 %): 15.70 ft / 4.79 m
- Mid (50 %): 15.70 ft / 4.79 m
- Quarterdeck (15 %): 15.70 ft / 4.79 m
- Stern: 14.00 ft / 4.27 m
- Average freeboard: 16.36 ft / 4.99 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 101.2 %
- Above water (accommodation/working, high = better): 126.4 %
Waterplane Area: 20,727 Square feet or 1,926 Square metres
Displacement factor (Displacement / loading): 124 %
Structure weight / hull surface area: 80 lbs/sq ft or 393 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.88
- Longitudinal: 1.01
- Overall: 0.90
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform

78 tons for additional armament weight (train and elevation motors armor)
25 tons plane
25 tons crane and catapult
44 tons for Torpedoes (16)
15 tons for improved FC
6 tons improved communication system
6 tons improved flooding and pumping system
6 tons improved generators
5 tons Air conditioning system

This post has been edited 2 times, last edit by "Rooijen10" (Jan 21st 2008, 9:22pm)


12

Monday, January 15th 2007, 9:23pm

Naka, Japan Light Cruiser laid down 1934

Displacement:
8,043 t light; 8,421 t standard; 9,588 t normal; 10,523 t full load

Dimensions: Length overall / water x beam x draught
595.06 ft / 580.00 ft x 58.00 ft x 19.95 ft (normal load)
181.37 m / 176.78 m x 17.68 m x 6.08 m

Armament:
12 - 5.91" / 150 mm guns (4x3 guns), 105.00lbs / 47.63kg shells, 1934 Model
Quick firing guns in turrets (on barbettes)
on centreline ends, evenly spread, 2 raised mounts - superfiring
8 - 4.13" / 105 mm guns (4x2 guns), 34.00lbs / 15.42kg shells, 1934 Model
Dual purpose guns in deck mounts with hoists
on side, all amidships
16 - 1.57" / 40.0 mm guns (2x8 guns), 2.00lbs / 0.91kg shells, 1934 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, 1934 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, 2 raised mounts
16 - 0.52" / 13.2 mm guns (4x4 guns), 0.09lbs / 0.04kg shells, 1934 Model
Machine guns in deck mounts
on side, evenly spread
Weight of broadside 1,576 lbs / 715 kg
Shells per gun, main battery: 200
12 - 24.0" / 609.6 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 4.00" / 102 mm 390.00 ft / 118.87 m 8.86 ft / 2.70 m
Ends: Unarmoured
Main Belt covers 103 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 4.00" / 102 mm 3.00" / 76 mm 3.00" / 76 mm
2nd: 2.00" / 51 mm 1.00" / 25 mm 2.00" / 51 mm
3rd: 1.00" / 25 mm 1.00" / 25 mm -
4th: 1.00" / 25 mm 1.00" / 25 mm -

- Armour deck: 1.55" / 39 mm, Conning tower: 2.75" / 70 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 81,306 shp / 60,654 Kw = 33.00 kts
Range 10,200nm at 15.00 kts
Bunker at max displacement = 2,102 tons

Complement:
483 - 629

Cost:
£3.793 million / $15.173 million

Distribution of weights at normal displacement:
Armament: 195 tons, 2.0 %
Armour: 1,624 tons, 16.9 %
- Belts: 572 tons, 6.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 356 tons, 3.7 %
- Armour Deck: 668 tons, 7.0 %
- Conning Tower: 27 tons, 0.3 %
Machinery: 2,339 tons, 24.4 %
Hull, fittings & equipment: 3,755 tons, 39.2 %
Fuel, ammunition & stores: 1,546 tons, 16.1 %
Miscellaneous weights: 130 tons, 1.4 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
12,373 lbs / 5,612 Kg = 120.2 x 5.9 " / 150 mm shells or 1.6 torpedoes
Stability (Unstable if below 1.00): 1.18
Metacentric height 3.0 ft / 0.9 m
Roll period: 14.0 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0.43
Seaboat quality (Average = 1.00): 1.00

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.500
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 27.48 kts
Power going to wave formation at top speed: 58 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 25.00 degrees
Stern overhang: 2.00 ft / 0.61 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 28.00 ft / 8.53 m
- Forecastle (20 %): 19.00 ft / 5.79 m
- Mid (50 %): 19.00 ft / 5.79 m
- Quarterdeck (15 %): 19.00 ft / 5.79 m
- Stern: 17.50 ft / 5.33 m
- Average freeboard: 19.61 ft / 5.98 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 97.3 %
- Above water (accommodation/working, high = better): 118.6 %
Waterplane Area: 23,308 Square feet or 2,165 Square metres
Displacement factor (Displacement / loading): 120 %
Structure weight / hull surface area: 101 lbs/sq ft or 496 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.96
- Longitudinal: 1.38
- Overall: 1.00
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate

This post has been edited 1 times, last edit by "Rooijen10" (May 26th 2007, 5:46pm)


13

Sunday, April 4th 2010, 4:35pm

Edit 2/26/12: Not sure what I was thinking when I simmed the ship but the secondaries should be side at ends (not amidships) and non superfiring. Too lazy to correct the sim.

Agano, Japan Light Cruiser laid down 1939

Displacement:
4,228 t light; 4,449 t standard; 5,117 t normal; 5,652 t full load

Dimensions: Length overall / water x beam x draught
478.01 ft / 460.00 ft x 46.00 ft x 17.00 ft (normal load)
145.70 m / 140.21 m x 14.02 m x 5.18 m

Armament:
8 - 5.00" / 127 mm guns (4x2 guns), 55.12lbs / 25.00kg shells, 1939 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, evenly spread, 2 raised mounts - superfiring
8 - 2.95" / 75.0 mm guns (4x2 guns), 12.00lbs / 5.44kg shells, 1939 Model
Dual purpose guns in deck mounts with hoists
on side, all amidships, 2 raised mounts - superfiring
8 - 1.57" / 40.0 mm guns (2x4 guns), 2.00lbs / 0.91kg shells, 1939 Model
Anti-aircraft guns in deck mounts
on centreline ends, evenly spread
12 - 0.98" / 25.0 mm guns (4x3 guns), 0.57lbs / 0.26kg shells, 1939 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
16 - 0.52" / 13.2 mm guns (4x4 guns), 0.09lbs / 0.04kg shells, 1939 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
Weight of broadside 561 lbs / 255 kg
Shells per gun, main battery: 350
8 - 24.0" / 609.6 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 2.00" / 51 mm 375.00 ft / 114.30 m 8.14 ft / 2.48 m
Ends: Unarmoured
Main Belt covers 125% of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3.00" / 76 mm 1.00" / 25 mm 2.00" / 51 mm
2nd: 2.00" / 51 mm 1.00" / 25 mm 2.00" / 51 mm
3rd: 1.00" / 25 mm 1.00" / 25 mm -
4th: 1.00" / 25 mm 1.00" / 25 mm -

- Armour deck: 1.00" / 25 mm, Conning tower: 2.75" / 70 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 60,421 shp / 45,074 Kw = 33.00 kts
Range 9,000nm at 15.00 kts
Bunker at max displacement = 1,202 tons

Complement:
302 - 393

Cost:
£2.575 million / $10.298 million

Distribution of weights at normal displacement:
Armament: 78 tons, 1.5%
Armour: 611 tons, 11.9%
- Belts: 246 tons, 4.8%
- Torpedo bulkhead: 0 tons, 0.0%
- Armament: 77 tons, 1.5%
- Armour Deck: 271 tons, 5.3%
- Conning Tower: 18 tons, 0.3%
Machinery: 1,635 tons, 31.9%
Hull, fittings & equipment: 1,504 tons, 29.4%
Fuel, ammunition & stores: 889 tons, 17.4%
Miscellaneous weights: 400 tons, 7.8%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
3,104 lbs / 1,408 Kg = 49.7 x 5.0 " / 127 mm shells or 0.8 torpedoes
Stability (Unstable if below 1.00): 1.10
Metacentric height 1.9 ft / 0.6 m
Roll period: 14.1 seconds
Steadiness - As gun platform (Average = 50 %): 60 %
- Recoil effect (Restricted arc if above 1.00): 0.39
Seaboat quality (Average = 1.00): 1.01

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.498
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 24.48 kts
Power going to wave formation at top speed: 64 %
Trim (Max stability = 0, Max steadiness = 100): 60
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 3.00 ft / 0.91 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 26.00 ft / 7.92 m
- Forecastle (20%): 17.50 ft / 5.33 m
- Mid (50%): 17.50 ft / 5.33 m
- Quarterdeck (15%): 17.50 ft / 5.33 m
- Stern: 16.00 ft / 4.88 m
- Average freeboard: 18.07 ft / 5.51 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 125.3%
- Above water (accommodation/working, high = better): 106.6%
Waterplane Area: 14,633 Square feet or 1,359 Square metres
Displacement factor (Displacement / loading): 104%
Structure weight / hull surface area: 58 lbs/sq ft or 283 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.69
- Longitudinal: 1.59
- Overall: 0.75
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is adequate

This post has been edited 2 times, last edit by "Rooijen10" (Feb 26th 2012, 1:12pm)


14

Tuesday, October 7th 2014, 4:30pm

Kikuchi, Japan Light Cruiser laid down 1943
Ships: 7. Kikuchi, Abe, Oyabe, Kano, Takahashi, Natori, Kita.

Displacement:
5,500 t light; 5,943 t standard; 6,960 t normal; 7,774 t full load

Dimensions: Length overall / water x beam x draught
556.06 ft / 540.00 ft x 50.00 ft x 18.00 ft (normal load)
169.49 m / 164.59 m x 15.24 m x 5.49 m

Armament:
8 - 5.00" / 127 mm guns (4x2 guns), 55.12lbs / 25.00kg shells, 1943 Model
Automatic rapid fire guns in deck mounts with hoists
on centreline ends, evenly spread, 2 raised mounts - superfiring
4 - 2.95" / 75.0 mm guns (2x2 guns), 12.00lbs / 5.44kg shells, 1943 Model
Automatic rapid fire guns in deck mounts with hoists
on centreline ends, evenly spread, all raised mounts
8 - 2.95" / 75.0 mm guns (4x2 guns), 12.00lbs / 5.44kg shells, 1943 Model
Automatic rapid fire guns in deck mounts with hoists
on side, all amidships
24 - 1.57" / 40.0 mm guns (4x6 guns), 2.00lbs / 0.91kg shells, 1943 Model
Anti-aircraft guns in deck mounts
on side ends, evenly spread, all raised mounts - superfiring
32 - 0.98" / 25.0 mm guns (8x4 guns), 0.57lbs / 0.26kg shells, 1943 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 651 lbs / 295 kg
Shells per gun, main battery: 730 (see below)
12 - 24.0" / 609.6 mm above water torpedoes

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 2.00" / 51 mm 371.00 ft / 113.08 m 9.25 ft / 2.82 m
Ends: Unarmoured
Main Belt covers 106 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3.00" / 76 mm 1.00" / 25 mm 2.00" / 51 mm
2nd: 1.00" / 25 mm - 1.00" / 25 mm
3rd: 1.00" / 25 mm - 1.00" / 25 mm
4th: 1.00" / 25 mm - -
5th: 1.00" / 25 mm - -

- Armour deck: 0.75" / 19 mm, Conning tower: 2.75" / 70 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 64,347 shp / 48,003 Kw = 32.50 kts
Range 6,050nm at 20.00 kts
Bunker at max displacement = 1,831 tons

Complement:
380 - 495

Cost:
£3.365 million / $13.461 million

Distribution of weights at normal displacement:
Armament: 106 tons, 1.5 %
Armour: 633 tons, 9.1 %
- Belts: 282 tons, 4.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 70 tons, 1.0 %
- Armour Deck: 260 tons, 3.7 %
- Conning Tower: 22 tons, 0.3 %
Machinery: 1,662 tons, 23.9 %
Hull, fittings & equipment: 2,300 tons, 33.0 %
Fuel, ammunition & stores: 1,460 tons, 21.0 %
Miscellaneous weights: 800 tons, 11.5 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
6,955 lbs / 3,155 Kg = 111.3 x 5.0 " / 127 mm shells or 1.2 torpedoes
Stability (Unstable if below 1.00): 1.09
Metacentric height 2.1 ft / 0.6 m
Roll period: 14.6 seconds
Steadiness - As gun platform (Average = 50 %): 60 %
- Recoil effect (Restricted arc if above 1.00): 0.33
Seaboat quality (Average = 1.00): 1.01

Hull form characteristics:
Hull has low quarterdeck
and transom stern
Block coefficient: 0.501
Length to Beam Ratio: 10.80 : 1
'Natural speed' for length: 26.36 kts
Power going to wave formation at top speed: 58 %
Trim (Max stability = 0, Max steadiness = 100): 59
Bow angle (Positive = bow angles forward): 25.00 degrees
Stern overhang: 3.00 ft / 0.91 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 28.00 ft / 8.53 m
- Forecastle (20 %): 18.00 ft / 5.49 m
- Mid (50 %): 18.00 ft / 5.49 m
- Quarterdeck (20 %): 11.00 ft / 3.35 m (18.00 ft / 5.49 m before break)
- Stern: 11.00 ft / 3.35 m
- Average freeboard: 17.40 ft / 5.30 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 105.6 %
- Above water (accommodation/working, high = better): 101.4 %
Waterplane Area: 18,729 Square feet or 1,740 Square metres
Displacement factor (Displacement / loading): 124 %
Structure weight / hull surface area: 75 lbs/sq ft or 368 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.87
- Longitudinal: 1.18
- Overall: 0.90
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is adequate



Actual rounds per gun:
5" guns: 400 rounds per gun
75mm guns: 1500 rounds per gun
40mm guns: 1800 rounds per gun
25mm guns: 3025 rounds per gun

25 tons for seaplane
25 tons for crane and catapult
108 tons for torpedoes (12 loaded + 24 for reloads)
40 tons for 2x Active Sonar
10 tons for Hydrophones
20 tons for Air Search Radar
10 tons for Surface Search Radar
60 tons for Fire Control
4 tons for 2 Depth Charge Projectors
16 tons for 16 Depth Charge Throwers
4 tons for 2 Depth Charge Chutes
100 tons for 300 Type 2 Depth Charges or 100 type 1 Depth Charges
60 tons for two Ika ASW mortars + ammunition
55 tons for damage control and fire suppression systems
15 tons for emergency diesel generators
55 tons for air condition system
112 tons for degauss coiling
54 tons for 5" loading, training and elevation systems
17 tons for 75mm loading, training and elevation systems
8 tons for 40mm loading, training and elevation systems
2 tons for 25mm loading, training and elevation systems

15

Tuesday, October 7th 2014, 4:41pm

Ashida, Japan Light Cruiser laid down 1945
Ships: 4. Ashida, Asahi, Abashiri, Akan. 3 more planned for construction in 1948 (Anano, Abukuma, Aka).

Displacement:
5,505 t light; 5,959 t standard; 6,948 t normal; 7,738 t full load

Dimensions: Length overall / water x beam x draught
559.02 ft / 540.00 ft x 49.50 ft x 19.00 ft (normal load)
170.39 m / 164.59 m x 15.09 m x 5.79 m

Armament:
8 - 5.00" / 127 mm guns (4x2 guns), 55.12lbs / 25.00kg shells, 1945 Model
Automatic rapid fire guns in deck mounts with hoists
on centreline ends, evenly spread, 2 raised mounts - superfiring
12 - 2.95" / 75.0 mm guns (6x2 guns), 12.00lbs / 5.44kg shells, 1945 Model
Automatic rapid fire guns in deck mounts with hoists
on side, all amidships, 2 raised mounts - superfiring
24 - 1.57" / 40.0 mm guns (4x6 guns), 2.00lbs / 0.91kg shells, 1945 Model
Anti-aircraft guns in deck mounts
on side, all amidships, all raised mounts - superfiring
32 - 0.98" / 25.0 mm guns (8x4 guns), 0.57lbs / 0.26kg shells, 1945 Model
Anti-aircraft guns in deck mounts
on side ends, evenly spread
16 - 0.98" / 25.0 mm guns (4x4 guns), 0.00lbs / 0.00kg shells, 1945 Model (see below)
Anti-aircraft guns in deck mounts with hoists
on side, evenly spread
Weight of broadside 651 lbs / 295 kg
Shells per gun, main battery: 758 (see below)
422 - 4.7" / 120 mm above water torpedoes (see below)

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 2.00" / 51 mm 360.00 ft / 109.73 m 9.25 ft / 2.82 m
Ends: Unarmoured
Main Belt covers 103% of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3.00" / 76 mm 1.00" / 25 mm 2.00" / 51 mm
2nd: 1.00" / 25 mm - 1.00" / 25 mm
3rd: 1.00" / 25 mm - -
4th: 1.00" / 25 mm - -

- Armour deck: 0.75" / 19 mm, Conning tower: 2.75" / 70 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 59,764 shp / 44,584 Kw = 32.00 kts
Range 6,000nm at 20.00 kts
Bunker at max displacement = 1,779 tons

Complement:
379 - 494

Cost:
£3.411 million / $13.645 million

Distribution of weights at normal displacement:
Armament: 107 tons, 1.5%
Armour: 617 tons, 8.9%
- Belts: 274 tons, 3.9%
- Torpedo bulkhead: 0 tons, 0.0%
- Armament: 70 tons, 1.0%
- Armour Deck: 252 tons, 3.6%
- Conning Tower: 22 tons, 0.3%
Machinery: 1,509 tons, 21.7%
Hull, fittings & equipment: 2,264 tons, 32.6%
Fuel, ammunition & stores: 1,443 tons, 20.8%
Miscellaneous weights: 1,008 tons, 14.5%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
7,232 lbs / 3,280 Kg = 115.7 x 5.0 " / 127 mm shells or 1.2 torpedoes
Stability (Unstable if below 1.00): 1.09
Metacentric height 2.0 ft / 0.6 m
Roll period: 14.6 seconds
Steadiness - As gun platform (Average = 50 %): 53 %
- Recoil effect (Restricted arc if above 1.00): 0.32
Seaboat quality (Average = 1.00): 1.06

Hull form characteristics:
Hull has low quarterdeck
and transom stern
Block coefficient: 0.479
Length to Beam Ratio: 10.91 : 1
'Natural speed' for length: 26.41 kts
Power going to wave formation at top speed: 56 %
Trim (Max stability = 0, Max steadiness = 100): 50
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 3.00 ft / 0.91 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 27.75 ft / 8.46 m
- Forecastle (20%): 17.75 ft / 5.41 m
- Mid (50%): 17.75 ft / 5.41 m
- Quarterdeck (20%): 10.75 ft / 3.28 m (17.75 ft / 5.41 m before break)
- Stern: 10.75 ft / 3.28 m
- Average freeboard: 17.15 ft / 5.23 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 102.2%
- Above water (accommodation/working, high = better): 72.8%
Waterplane Area: 18,163 Square feet or 1,687 Square metres
Displacement factor (Displacement / loading): 126%
Structure weight / hull surface area: 75 lbs/sq ft or 366 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.87
- Longitudinal: 1.21
- Overall: 0.90
Caution: Hull subject to strain in open-sea
Hull space for machinery, storage, compartmentation is adequate
Room for accommodation and workspaces is cramped

2x2 75mm mounts on centerline superfiring the main guns.
4x4 25mm mounts (5th gun) simmed for AA Rocket launcher mount.
4x28 12cm Rockets simmed as 112 120mm torpedoes.
4x3 24" torpedo tubes simmed as 320 120mm torpedoes.

Actual rounds per gun:
5" guns: 500 rounds per gun
75mm guns: 1500 rounds per gun
40mm guns: 1800 rounds per gun
25mm guns: 2500 rounds per gun


108 tons for torpedoes (12 loaded + 24 for reloads)
25 tons for 4x28 12 cm AA rockets launchers
40 tons for 2x Active Sonar
10 tons for Hydrophones
20 tons for Air Search Radar
10 tons for Surface Search Radar
150 tons for Fire Control
8 tons for 4 Depth Charge Projectors
16 tons for 16 Depth Charge Throwers
4 tons for 2 Depth Charge Chutes
100 tons for 300 Type 2 Depth Charges or 100 Type 1 Depth Charges
60 tons for two Ika ASW mortars + ammunition
56 tons for damage control and fire suppression systems
15 tons for emergency diesel generators
56 tons for air condition system
112 tons for degauss coiling
60 tons for 5" loading, training and elevation systems
18 tons for 75mm loading, training and elevation systems
8 tons for 40mm loading, training and elevation systems
2 tons for 25mm loading, training and elevation systems
40 tons for sushi restaurant
30 tons for pachinko parlor
30 tons for karaoke facilities + Kobe Cola vending machines
30 tons for lounge (aft)