WesWorld

[size=3]Hussein Class Gunboat[/size]

This gunboat briefly serviced as a training unit, but its armament ranged from uncommon to outright bizarre. It was replaced by the ex-Bharati monitor Bindusara in 1941.

Huseein, laid down 1928, received 1939, deleted 1942

Former Jagoda, Monte Negro Privater laid down 1928

Displacement:
1 668 t light; 1 756 t standard; 1 981 t normal; 2 162 t full load

Dimensions: Length overall / water x beam x draught
348,07 ft / 344,49 ft x 36,09 ft x 11,15 ft (normal load)
106,09 m / 105,00 m x 11,00 m x 3,40 m

Armament:
2 - 5,98" / 152 mm guns in single mounts, 107,15lbs / 48,60kg shells, 1928 Model
Breech loading guns in deck mounts
on centreline ends, evenly spread
4 - 4,80" / 122 mm guns in single mounts, 55,40lbs / 25,13kg shells, 1928 Model
Breech loading guns in deck mounts
on side ends, evenly spread
4 - 3,00" / 76,2 mm guns in single mounts, 13,50lbs / 6,12kg shells, 1928 Model
Breech loading guns in deck mounts
on side, evenly spread
2 - 2,24" / 57,0 mm guns in single mounts, 5,65lbs / 2,56kg shells, 1928 Model
Breech loading guns in deck mounts
on side, all amidships
Weight of broadside 501 lbs / 227 kg
Shells per gun, main battery: 150

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0,59" / 15 mm - -
2nd: 0,39" / 10 mm - -
3rd: 0,20" / 5 mm - -
4th: 0,20" / 5 mm - -

Machinery:
Oil fired boilers, steam turbines plus diesel motors,
Geared drive, 2 shafts, 18 297 shp / 13 650 Kw = 26,50 kts
Range 18 000nm at 8,00 kts
Bunker at max displacement = 406 tons

Complement:
148 - 193

Cost:
£0,728 million / $2,914 million

Distribution of weights at normal displacement:
Armament: 63 tons, 3,2%
Armour: 10 tons, 0,5%
- Belts: 0 tons, 0,0%
- Torpedo bulkhead: 0 tons, 0,0%
- Armament: 10 tons, 0,5%
- Armour Deck: 0 tons, 0,0%
- Conning Tower: 0 tons, 0,0%
Machinery: 570 tons, 28,8%
Hull, fittings & equipment: 1 026 tons, 51,8%
Fuel, ammunition & stores: 313 tons, 15,8%
Miscellaneous weights: 0 tons, 0,0%

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
2 354 lbs / 1 068 Kg = 22,0 x 6,0 " / 152 mm shells or 0,7 torpedoes
Stability (Unstable if below 1.00): 1,35
Metacentric height 1,8 ft / 0,6 m
Roll period: 11,2 seconds
Steadiness - As gun platform (Average = 50 %): 50 %
- Recoil effect (Restricted arc if above 1.00): 0,31
Seaboat quality (Average = 1.00): 1,55

Hull form characteristics:
Hull has raised forecastle, rise forward of midbreak
Block coefficient: 0,500
Length to Beam Ratio: 9,55 : 1
'Natural speed' for length: 18,56 kts
Power going to wave formation at top speed: 60 %
Trim (Max stability = 0, Max steadiness = 100): 32
Bow angle (Positive = bow angles forward): 10,00 degrees
Stern overhang: 0,00 ft / 0,00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 20,34 ft / 6,20 m
- Forecastle (20%): 18,37 ft / 5,60 m (17,72 ft / 5,40 m aft of break)
- Mid (50%): 17,06 ft / 5,20 m (13,78 ft / 4,20 m aft of break)
- Quarterdeck (15%): 13,78 ft / 4,20 m
- Stern: 13,78 ft / 4,20 m
- Average freeboard: 15,94 ft / 4,86 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 118,0%
- Above water (accommodation/working, high = better): 164,7%
Waterplane Area: 8 283 Square feet or 770 Square metres
Displacement factor (Displacement / loading): 120%
Structure weight / hull surface area: 65 lbs/sq ft or 315 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 1,02
- Longitudinal: 3,86
- Overall: 1,17
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is excellent
Excellent seaboat, comfortable, can fire her guns in the heaviest weather

[size=3]Saiph Class Monitor[/size]

The ex-Bharati monitor Bindusara was sold to Hedjaz in 1941. The Saiph ("Sword") primarily serves as a training unit, although she retains a potentially useful shore bombardment capacity.

Saiph, ex-Bindusara, laid down 1931, transferred 1941.

Length, 55.0 m x Beam, 14.5 m x Depth, 2.2 m
1150 tonnes normal displacement (1068 tonnes

standard)

Main battery: 1 x 21.0-cm (1 x 1)
Secondary battery: 2 x 10.5-cm
AA battery: 6 x 3.5-cm

Weight of broadside: 165 kg

Main belt, 3.0 cm; ends unarmored
Armor deck, average 4.0 cm
Conning tower, 3.0 cm

Battery armor:
Main, 10.0 cm / secondary, 3.0 cm shields
AA, 2.0 cm shields

Maximum speed for 800 shaft kw = 12.53 knots
Approximate cruising radius, 3000 nm / 12 knots

Typical complement: 99-128


Estimated cost, $1.365 million

(£341,000)

Remarks:

Ship has slow, easy roll; a good, steady gun platform.

Excellent seaboat; comfortable and able to fight her

guns
in the heaviest weather.

Magazines and engineering spaces are roomy, with

superior
watertight subdivision.

Ship is roomy, with superior accommodation and working

space.


Distribution of weights:


Percent


normal


displacement:

Armament ......................... 45 tonnes

= 4 pct
Armor, total ..................... 301 tonnes

= 26 pct

Belt 54 tonnes

= 5 pct
Deck 187 tonnes

= 16 pct
C.T. 3 tonnes

= 0 pct
Armament 57 tonnes

= 5 pct

Machinery ........................ 32 tonnes

= 3 pct
Hull and fittings; equipment ..... 596 tonnes

= 52 pct
Fuel, ammunition, stores ......... 136 tonnes

= 12 pct
Miscellaneous weights ............ 40 tonnes

= 3 pct
-----
1150 tonnes

= 100 pct

Estimated metacentric height, 0.8 m

Displacement summary:

Light ship: 1015 tonnes
Standard displacement: 1068 tonnes
Normal service: 1150 tonnes
Full load: 1212 tonnes

Loading submergence 602 tonnes/metre

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Estimated overall survivability and seakeeping

ability:

Relative margin of stability: 1.25

Shellfire needed to sink: 2040 kg = 15.9 x

21.0-cm shells
(Approximates weight of penetrating
shell hits needed to sink ship,
not counting critical hits)

Torpedoes needed to sink: 2.1
(Approximates number of 'typical'
torpedo hits needed to sink ship)

Relative steadiness as gun platform, 93 percent
(50 percent is 'average')

Relative rocking effect from firing to beam, 0.30

Relative quality as a seaboat: 1.86

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Hull form characteristics:

Block coefficient: 0.65
Sharpness coefficient: 0.52
Hull speed coefficient 'M' = 5.26
'Natural speed' for length = 13.4 knots
Power going to wave formation
at top speed: 50 percent


Estimated hull characteristics and strength:

Relative underwater volume absorbed by
magazines and engineering spaces: 44 percent

Relative accommodation and working space: 163

percent


Displacement factor: 148 percent
(Displacement relative to loading factors)


Relative cross-sectional hull strength: 0.88
(Structure weight per square
metre of hull surface: 345 kg)

Relative longitudinal hull strength: 5.27
(for 4.00 m average freeboard;
freeboard adjustment +1.00 m)

Relative composite hull strength: 1.06

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[Machine-readable parameters: Spring Style v. 1.2.1]

180.40 x 47.56 x 7.22; 13.12 -- Dimensions
0.65 -- Block coefficient
1931 -- Year laid down
12.53 / 3000 / 12.00; Oil-fired turbine or equivalent --

Speed / radius / cruise
40 tons -- Miscellaneous weights
++++++++++
1 x 8.27; 1 -- Main battery; turrets
Central positioning of guns
:
2 x 4.13; 0 -- Secondary battery; turrets
Gun-shields
:
8 x 1.38 -- Tertiary (QF/AA) battery
Gun-shields
:
0 -- No fourth (light) battery
0 -- No torpedo armament
++++++++++
1.18 / 0.00 / 0.00 / 0.00; 100 -- Belt armor; relative extent
1.57 / 1.18 -- Deck / CT
3.94 / 1.18 / 0.79 / 0.00 -- Battery armor


(Note: For portability, values are stored in Anglo-American units)
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