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1

Tuesday, April 1st 2008, 9:52am

Carrier (Old Post)

PRN Formosa
CV - 1
Chinese Carrier
laid down 1925

Displacement:
17,708 t light; 18,154 t standard; 20,240 t normal; 21,909 t full load

Dimensions: Length overall / water x beam x draught
706.38 ft / 700.00 ft x 80.00 ft x 23.00 ft (normal load)
215.30 m / 213.36 m x 24.38 m x 7.01 m

Armament:
8 - 4.13" / 105 mm guns (4x2 guns), 36.00lbs / 16.33kg shells, 1921 Model
Dual purpose guns in turrets (on barbettes)
on side ends, evenly spread, 2 raised mounts - superfiring
8 - 2.95" / 75.0 mm guns (4x2 guns), 12.00lbs / 5.44kg shells, 1921 Model
Dual purpose guns in turrets (on barbettes)
on side ends, evenly spread
16 - 1.57" / 40.0 mm guns (4x4 guns), 2.00lbs / 0.91kg shells, 1923 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
24 - 0.98" / 25.0 mm guns (8x3 guns), 0.57lbs / 0.26kg shells, 1918 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 430 lbs / 195 kg
Shells per gun, main battery: 150

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 4.00" / 102 mm 570.50 ft / 173.89 m 10.73 ft / 3.27 m
Ends: Unarmoured
Main Belt covers 125 % of normal length

- Torpedo Bulkhead:
1.00" / 25 mm 570.50 ft / 173.89 m 21.11 ft / 6.43 m

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 2.00" / 51 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 - -
4th: 1.00" / 25 mm - -

- Armour deck: 3.00" / 76 mm, Conning tower: 3.00" / 76 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 4 shafts, 144,432 shp / 107,746 Kw = 33.00 kts
Range 10,000nm at 15.00 kts (Bunkerage = 3,754 tons)

Complement:
847 - 1,102

Cost:
£4.324 million / $17.296 million

Distribution of weights at normal displacement:
Armament: 54 tons, 0.3 %
Armour: 3,794 tons, 18.7 %
- Belts: 995 tons, 4.9 %
- Torpedo bulkhead: 446 tons, 2.2 %
- Armament: 136 tons, 0.7 %
- Armour Deck: 2,169 tons, 10.7 %
- Conning Tower: 48 tons, 0.2 %
Machinery: 4,689 tons, 23.2 %
Hull, fittings & equipment: 6,146 tons, 30.4 %
Fuel, ammunition & stores: 2,532 tons, 12.5 %
Miscellaneous weights: 3,025 tons, 14.9 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
14,494 lbs / 6,574 Kg = 410.3 x 4.1 " / 105 mm shells or 2.0 torpedoes
Stability (Unstable if below 1.00): 1.14
Metacentric height 4.5 ft / 1.4 m
Roll period: 15.8 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.04
Seaboat quality (Average = 1.00): 1.06

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.550
Length to Beam Ratio: 8.75 : 1
'Natural speed' for length: 26.46 kts
Power going to wave formation at top speed: 57 %
Trim (Max stability = 0, Max steadiness = 100): 66
Bow angle (Positive = bow angles forward): 12.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 30.00 ft / 9.14 m
- Forecastle (20 %): 21.00 ft / 6.40 m
- Mid (50 %): 20.00 ft / 6.10 m
- Quarterdeck (15 %): 20.00 ft / 6.10 m
- Stern: 20.00 ft / 6.10 m
- Average freeboard: 21.07 ft / 6.42 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 125.3 %
- Above water (accommodation/working, high = better): 177.8 %
Waterplane Area: 39,082 Square feet or 3,631 Square metres
Displacement factor (Displacement / loading): 122 %
Structure weight / hull surface area: 109 lbs/sq ft or 530 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.00
- Longitudinal: 1.00
- 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

Space for 55 planes



[SIZE=1]small difference between drawing and stats[/SIZE]

This post has been edited 1 times, last edit by "parador" (Oct 6th 2009, 10:29am)


2

Tuesday, April 1st 2008, 10:02am

PRN Fuzhou
CV-2
Chinese Carrier
laid down 1936


Displacement:
10,207 t light; 10,559 t standard; 12,569 t normal; 14,178 t full load

Dimensions: Length overall / water x beam x draught
681.66 ft / 670.00 ft x 67.00 ft x 20.00 ft (normal load)
207.77 m / 204.22 m x 20.42 m x 6.10 m

Armament:
3 - 7.99" / 203 mm guns (1x3 guns), 255.24lbs / 115.77kg shells, 1935 Model
Breech loading guns in a turret (on a barbette)
on centreline forward
8 - 3.94" / 100 mm guns (4x2 guns), 30.51lbs / 13.84kg shells, 1935 Model
Dual purpose guns in deck mounts
on side, evenly spread, 2 raised mounts
16 - 1.46" / 37.0 mm guns (4x4 guns), 1.55lbs / 0.70kg shells, 1935 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
20 - 0.79" / 20.0 mm guns (10x2 guns), 0.24lbs / 0.11kg shells, 1935 Model
Machine guns in deck mounts
on side, evenly spread
2 - 3.94" / 100 mm guns (1x2 guns), 30.51lbs / 13.84kg shells, 1935 Model
Dual purpose guns in deck mount
on centreline forward, all raised guns - superfiring
Weight of broadside 1,100 lbs / 499 kg
Shells per gun, main battery: 150

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.00" / 76 mm 370.00 ft / 112.78 m 9.00 ft / 2.74 m
Ends: Unarmoured
Main Belt covers 85 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 3.00" / 76 mm 1.50" / 38 mm 3.00" / 76 mm
2nd: 1.20" / 30 mm - -

- Armour deck: 1.20" / 30 mm

Machinery:
Oil fired boilers, steam turbines plus diesel motors,
Geared drive, 4 shafts, 81,081 shp / 60,486 Kw = 32.00 kts
Range 15,000nm at 15.00 kts
Bunker at max displacement = 3,619 tons

Complement:
593 - 771

Cost:
£4.049 million / $16.195 million

Distribution of weights at normal displacement:
Armament: 138 tons, 1.1 %
Armour: 1,217 tons, 9.7 %
- Belts: 426 tons, 3.4 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 107 tons, 0.8 %
- Armour Deck: 684 tons, 5.4 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 2,303 tons, 18.3 %
Hull, fittings & equipment: 4,749 tons, 37.8 %
Fuel, ammunition & stores: 2,362 tons, 18.8 %
Miscellaneous weights: 1,800 tons, 14.3 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
19,906 lbs / 9,029 Kg = 78.0 x 8.0 " / 203 mm shells or 2.2 torpedoes
Stability (Unstable if below 1.00): 1.16
Metacentric height 3.6 ft / 1.1 m
Roll period: 14.8 seconds
Steadiness - As gun platform (Average = 50 %): 72 %
- Recoil effect (Restricted arc if above 1.00): 0.19
Seaboat quality (Average = 1.00): 1.35

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.490
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 29.57 kts
Power going to wave formation at top speed: 52 %
Trim (Max stability = 0, Max steadiness = 100): 53
Bow angle (Positive = bow angles forward): 25.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 25.00 ft / 7.62 m
- Forecastle (30 %): 21.00 ft / 6.40 m
- Mid (50 %): 21.00 ft / 6.40 m
- Quarterdeck (20 %): 21.00 ft / 6.40 m
- Stern: 21.00 ft / 6.40 m
- Average freeboard: 21.48 ft / 6.55 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 84.1 %
- Above water (accommodation/working, high = better): 207.9 %
Waterplane Area: 30,816 Square feet or 2,863 Square metres
Displacement factor (Displacement / loading): 144 %
Structure weight / hull surface area: 102 lbs/sq ft or 498 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.98
- Longitudinal: 1.20
- Overall: 1.00
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
Good seaboat, rides out heavy weather easily



42 airplanes:

10 Torpedobomber
20 Fighters
10 Divebombers

2 Reserve


This post has been edited 1 times, last edit by "parador" (Apr 1st 2008, 6:39pm)


3

Wednesday, May 28th 2008, 4:46pm

PRN Zhangyhum
[EX-Siam-Carrier "Bangkok"]

CV-3
Very Light Carrier laid down 1934

Displacement:
5,328 t light; 5,467 t standard; 6,350 t normal; 7,057 t full load

Dimensions: Length overall / water x beam x draught
461.56 ft / 450.00 ft x 60.00 ft x 12.00 ft (normal load)
140.68 m / 137.16 m x 18.29 m x 3.66 m

Armament:
12 - 2.24" / 57.0 mm guns (6x2 guns), 6.00lbs / 2.72kg shells, 1934 Model
Dual purpose guns in deck mounts
on side, evenly spread
16 - 0.79" / 20.0 mm guns (4x4 guns), 0.24lbs / 0.11kg shells, 1934 Model
Anti-aircraft guns in deck mounts
on side ends, evenly spread
8 - 0.51" / 13.0 mm guns (4x2 guns), 0.07lbs / 0.03kg shells, 1934 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts

Weight of broadside 76 lbs / 35 kg
Shells per gun, main battery: 250

Air group:
5 torpedobomer (Gangchuan TB35-V1)
5 divebomber (Nanchan N1-D1-A1)
4 scoutplanes (Gangchuan RB31A)

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 3.94" / 100 mm 295.28 ft / 90.00 m 9.84 ft / 3.00 m
Ends: Unarmoured
Upper: 1.57" / 40 mm 295.28 ft / 90.00 m 11.48 ft / 3.50 m
Main Belt covers 101 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.98" / 25 mm - -
2nd: 0.98" / 25 mm - -

- Armour deck: 0.98" / 25 mm, Conning tower: 2.56" / 65 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 22,820 shp / 17,024 Kw = 24.00 kts
Range 9,250nm at 15.00 kts (Bunkerage = 1,591 tons)

Complement:
355 - 462

Cost:
£1.404 million / $5.616 million

Distribution of weights at normal displacement:
Armament: 9 tons, 0.1 %
Armour: 1,161 tons, 18.3 %
- Belts: 723 tons, 11.4 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 12 tons, 0.2 %
- Armour Deck: 406 tons, 6.4 %
- Conning Tower: 19 tons, 0.3 %
Machinery: 656 tons, 10.3 %
Hull, fittings & equipment: 2,502 tons, 39.4 %
Fuel, ammunition & stores: 1,022 tons, 16.1 %
Miscellaneous weights: 1,000 tons, 15.7 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
23,029 lbs / 10,446 Kg = 4,075.5 x 2.2 " / 57 mm shells or 3.3 torpedoes
Stability (Unstable if below 1.00): 1.24
Metacentric height 3.4 ft / 1.0 m
Roll period: 13.6 seconds
Steadiness - As gun platform (Average = 50 %): 76 %
- Recoil effect (Restricted arc if above 1.00): 0.01
Seaboat quality (Average = 1.00): 1.99

Hull form characteristics:
Hull has a flush deck
and transom stern
Block coefficient: 0.686
Length to Beam Ratio: 7.50 : 1
'Natural speed' for length: 24.30 kts
Power going to wave formation at top speed: 54 %
Trim (Max stability = 0, Max steadiness = 100): 38
Bow angle (Positive = bow angles forward): 15.00 degrees
Stern overhang: 5.00 ft / 1.52 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 24.50 ft / 7.47 m
- Forecastle (20 %): 24.50 ft / 7.47 m
- Mid (50 %): 24.50 ft / 7.47 m
- Quarterdeck (15 %): 24.50 ft / 7.47 m
- Stern: 24.50 ft / 7.47 m
- Average freeboard: 24.50 ft / 7.47 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 53.0 %
- Above water (accommodation/working, high = better): 293.3 %
Waterplane Area: 22,312 Square feet or 2,073 Square metres
Displacement factor (Displacement / loading): 179 %
Structure weight / hull surface area: 73 lbs/sq ft or 355 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.89
- Longitudinal: 2.92
- Overall: 1.01
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

This post has been edited 3 times, last edit by "parador" (Jul 16th 2010, 10:48am)


4

Tuesday, August 21st 2012, 4:51pm

Karkas - Class

Karkas - Class
Escort Carrier

Ships:
HICMS Karkas (ex-Persia CVE) laid down 1920 (Engine 1937); purchased 1942


Displacement:
5,062 t light; 5,191 t standard; 5,670 t normal; 6,053 t full load

Dimensions:
Length overall / water x beam x draught
500.00 ft / 500.00 ft x 49.87 ft x 15.09 ft (normal load)
152.40 m / 152.40 m x 15.20 m x 4.60 m

Armament:
8 - 1.57" / 40.0 mm guns (4x2 guns), 1.95lbs / 0.88kg shells, 1920 Model
Anti-aircraft guns in deck mounts
on side ends, evenly spread, 2 raised mounts - superfiring
24 - 0.79" / 20.0 mm guns (12x2 guns), 0.24lbs / 0.11kg shells, 1920 Model
Anti-aircraft guns in deck mounts
on side, all amidships, 8 raised mounts - superfiring
Weight of broadside 21 lbs / 10 kg
Shells per gun, main battery: 1,000

Armour:
- Belts: Width (max) Length (avg) Height (avg)
Main: 2.95" / 75 mm 308.40 ft / 94.00 m 9.84 ft / 3.00 m
Ends: Unarmoured
Main Belt covers 95 % of normal length

- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.98" / 25 mm 0.98" / 25 mm -
2nd: 0.98" / 25 mm 0.98" / 25 mm -

- Armour deck: 1.38" / 35 mm, Conning tower: 2.95" / 75 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 49,846 shp / 37,185 Kw = 30.00 kts
Range 9,000nm at 12.00 kts
Bunker at max displacement = 862 tons

Complement:
326 - 424

Cost:
£0.881 million / $3.525 million

Distribution of weights at normal displacement:
Armament: 3 tons, 0.0 %
Armour: 847 tons, 14.9 %
- Belts: 376 tons, 6.6 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 16 tons, 0.3 %
- Armour Deck: 434 tons, 7.7 %
- Conning Tower: 20 tons, 0.4 %
Machinery: 1,382 tons, 24.4 %
Hull, fittings & equipment: 2,131 tons, 37.6 %
Fuel, ammunition & stores: 608 tons, 10.7 %
Miscellaneous weights: 700 tons, 12.3 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
8,663 lbs / 3,929 Kg = 4,436.3 x 1.6 " / 40 mm shells or 1.4 torpedoes
Stability (Unstable if below 1.00): 1.18
Metacentric height 2.4 ft / 0.7 m
Roll period: 13.5 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.01
Seaboat quality (Average = 1.00): 1.68

Hull form characteristics:
Hull has rise forward of midbreak
Block coefficient: 0.527
Length to Beam Ratio: 10.03 : 1
'Natural speed' for length: 22.36 kts
Power going to wave formation at top speed: 57 %
Trim (Max stability = 0, Max steadiness = 100): 42
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: 32.81 ft / 10.00 m
- Forecastle (20 %): 32.81 ft / 10.00 m
- Mid (40 %): 32.81 ft / 10.00 m (13.12 ft / 4.00 m aft of break)
- Quarterdeck (15 %): 13.12 ft / 4.00 m
- Stern: 13.12 ft / 4.00 m
- Average freeboard: 21.00 ft / 6.40 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 93.6 %
- Above water (accommodation/working, high = better): 190.9 %
Waterplane Area: 17,037 Square feet or 1,583 Square metres
Displacement factor (Displacement / loading): 131 %
Structure weight / hull surface area: 69 lbs/sq ft or 335 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.91
- Longitudinal: 2.21
- Overall: 1.00
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
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Airgroup = 24 aircraft


5

Wednesday, August 22nd 2012, 12:15pm

Katar - Class

[size=3]Katar - class; Chinese Escort-Carrier laid down 1930[/size]
ex-Ranjic Singh, India carrier

Background informations:
The Katar when finally completed entered the fleet as an experimental carrier; the expected complement of aircrafts
instead being replaced by Japanese designed autogyros and German designed helicopters. The plan was utilize this ship
as a test bench for future ASW operations but in case of need the ship could be utilized as an emergency carrier.


Displacement:
9,114 t light; 9,381 t standard; 11,126 t normal; 12,522 t full load

Dimensions:
Length overall / water x beam x draught
475.72 ft / 475.72 ft x 63.98 ft x 25.59 ft (normal load)
145.00 m / 145.00 m x 19.50 m x 7.80 m

Armament:
6 - 4.92" / 125 mm guns in single mounts, 59.59lbs / 27.03kg shells, 1930 Model
Dual purpose guns in deck mounts with hoists
on side, evenly spread
16 - 1.38" / 35.0 mm guns (4x4 guns), 1.31lbs / 0.59kg shells, 1930 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
24 - 0.59" / 15.0 mm guns (6x4 guns), 0.10lbs / 0.05kg shells, 1930 Model
Machine guns in deck mounts
on side, evenly spread, 4 raised mounts
Weight of broadside 381 lbs / 173 kg
Shells per gun, main battery: 200

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.97" / 50 mm 0.79" / 20 mm -
2nd: 0.79" / 20 mm - -
3rd: 0.39" / 10 mm - -

- Armour deck: 3.94" / 100 mm, Conning tower: 1.97" / 50 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 32,245 shp / 24,055 Kw = 24.00 kts
Range 13,000nm at 15.00 kts
Bunker at max displacement = 3,141 tons

Complement:
541 - 704

Cost:
£2.073 million / $8.293 million

Distribution of weights at normal displacement:
Armament: 48 tons, 0.4 %
Armour: 1,527 tons, 13.7 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 29 tons, 0.3 %
- Armour Deck: 1,477 tons, 13.3 %
- Conning Tower: 21 tons, 0.2 %
Machinery: 977 tons, 8.8 %
Hull, fittings & equipment: 4,562 tons, 41.0 %
Fuel, ammunition & stores: 2,012 tons, 18.1 %
Miscellaneous weights: 2,000 tons, 18.0 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
23,738 lbs / 10,767 Kg = 398.3 x 4.9 " / 125 mm shells or 3.5 torpedoes
Stability (Unstable if below 1.00): 1.06
Metacentric height 2.9 ft / 0.9 m
Roll period: 15.8 seconds
Steadiness - As gun platform (Average = 50 %): 80 %
- Recoil effect (Restricted arc if above 1.00): 0.11
Seaboat quality (Average = 1.00): 1.99

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.500
Length to Beam Ratio: 7.44 : 1
'Natural speed' for length: 21.81 kts
Power going to wave formation at top speed: 51 %
Trim (Max stability = 0, Max steadiness = 100): 40
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: 27.56 ft / 8.40 m
- Forecastle (20 %): 22.64 ft / 6.90 m
- Mid (50 %): 22.64 ft / 6.90 m
- Quarterdeck (15 %): 22.64 ft / 6.90 m
- Stern: 22.64 ft / 6.90 m
- Average freeboard: 23.03 ft / 7.02 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 52.6 %
- Above water (accommodation/working, high = better): 161.6 %
Waterplane Area: 20,278 Square feet or 1,884 Square metres
Displacement factor (Displacement / loading): 190 %
Structure weight / hull surface area: 128 lbs/sq ft or 625 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.30
- Longitudinal: 3.90
- Overall: 1.45
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

Breakdown of Misc. Weight = 2000tons:
750t for 24 aircrafts and 6 spares
450t for aviation fuel and support equipment
100t for growth
400t for accomodation for 200 Naval Infantry
300t for support equipment


Ships in Class:
HICMS Katar laid down 1930, conversion 1938, purchased 1942


[size=1]copied from the www [/size]

6

Wednesday, August 22nd 2012, 5:36pm

Aruval - Class

[size=3]Aruval - class; Chinese Escort-Carrier laid down 1931[/size]
ex-Indira, India carrier


Background informations:
The ship's flight deck was 72 feet (21,9m) wide and Aruval has a single hangar, served by two aircraft elevators, mounted on the centerline.
She was not built with an island and could operate 32 aircrafts. The ship's primary armament consisted of eight 12,5cm anti-aircraft (AA) guns
in single mounts on sponsons along the sides of the hull. Early warnings was provided by a Type 2, Mark 2, Model 1 air search radar.


Displacement:
11,648 t light; 11,961 t standard; 12,770 t normal; 13,417 t full load

Dimensions:
Length overall / water x beam x draught
492.13 ft / 492.13 ft x 73.82 ft x 24.61 ft (normal load)
150.00 m / 150.00 m x 22.50 m x 7.50 m

Armament:
8 - 4.92" / 125 mm guns in single mounts, 59.59lbs / 27.03kg shells, 1931 Model
Dual purpose guns in deck mounts with hoists
on side, evenly spread
16 - 1.38" / 35.0 mm guns (4x4 guns), 1.31lbs / 0.59kg shells, 1931 Model
Anti-aircraft guns in deck mounts
on side, evenly spread, all raised mounts
16 - 0.59" / 15.0 mm guns (4x4 guns), 0.10lbs / 0.05kg shells, 1931 Model
Machine guns in deck mounts
on side, evenly spread, all raised mounts
8 - 0.59" / 15.0 mm guns (2x4 guns), 0.10lbs / 0.05kg shells, 1931 Model
Machine guns in deck mounts
on side ends, evenly spread
Weight of broadside 500 lbs / 227 kg
Shells per gun, main battery: 200

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.97" / 50 mm 0.79" / 20 mm 1.97" / 50 mm
2nd: 0.79" / 20 mm - -
3rd: 0.39" / 10 mm - -
4th: 0.39" / 10 mm - -

- Armour deck: 3.94" / 100 mm, Conning tower: 1.97" / 50 mm

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 29,716 shp / 22,168 Kw = 23.00 kts
Range 9,000nm at 12.00 kts
Bunker at max displacement = 1,457 tons

Complement:
599 - 780

Cost:
£2.551 million / $10.204 million

Distribution of weights at normal displacement:
Armament: 63 tons, 0.5 %
Armour: 1,828 tons, 14.3 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 42 tons, 0.3 %
- Armour Deck: 1,763 tons, 13.8 %
- Conning Tower: 23 tons, 0.2 %
Machinery: 889 tons, 7.0 %
Hull, fittings & equipment: 6,869 tons, 53.8 %
Fuel, ammunition & stores: 1,122 tons, 8.8 %
Miscellaneous weights: 2,000 tons, 15.7 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
32,252 lbs / 14,629 Kg = 541.2 x 4.9 " / 125 mm shells or 4.7 torpedoes
Stability (Unstable if below 1.00): 1.03
Metacentric height 3.4 ft / 1.0 m
Roll period: 16.8 seconds
Steadiness - As gun platform (Average = 50 %): 96 %
- Recoil effect (Restricted arc if above 1.00): 0.10
Seaboat quality (Average = 1.00): 1.91

Hull form characteristics:
Hull has a flush deck
Block coefficient: 0.500
Length to Beam Ratio: 6.67 : 1
'Natural speed' for length: 22.18 kts
Power going to wave formation at top speed: 49 %
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: 27.23 ft / 8.30 m
- Forecastle (20 %): 22.64 ft / 6.90 m
- Mid (50 %): 22.64 ft / 6.90 m
- Quarterdeck (15 %): 22.64 ft / 6.90 m
- Stern: 22.64 ft / 6.90 m
- Average freeboard: 23.01 ft / 7.01 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 44.8 %
- Above water (accommodation/working, high = better): 174.2 %
Waterplane Area: 24,205 Square feet or 2,249 Square metres
Displacement factor (Displacement / loading): 209 %
Structure weight / hull surface area: 180 lbs/sq ft or 878 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1.72
- Longitudinal: 4.25
- Overall: 1.88
Hull space for machinery, storage, compartmentation is excellent
Room for accommodation and workspaces is excellent
Ship has slow, easy roll, a good, steady gun platform
Excellent seaboat, comfortable, can fire her guns in the heaviest weather


Breakdown of Misc. Weight:
32 aircrafts (around 1,000 tons)
air fuel, equipment, room for growth (1,000)

Ships in Class:
HICMS Aruval laid down 1931, conversion 1937, purchased 1942