WesWorld

Al Tami (ex-Speedy), Al Adrisi (ex-Sepoy), Al Bahi (ex-Tactician) and Al Shaab (ex-Tara) [All decommissioned for disposal Q2/1946]

Admiralty S Class destroyers, built 1917-18, 905 tons standard, armament comprises three 4in, one twin 2pdr, four LMG and four 18in torpedoes and 10 DCs, 27,000shp Brown-Curtis turbines for 32-33kts, complement 90.

D-1 (ex-DE28), D-2 (ex-DE31), D-3 (ex-DE32) and D-4 (ex-DE38)

All ex-RN Defiant class torpedo boats transferred in 1941. Decommissioned Q1/1948.

Defiant Class, Great Britain Torpedo Boat laid down 1922 (Engine 1941)

Displacement:
591 t light; 608 t standard; 650 t normal; 683 t full load

Dimensions: Length overall / water x beam x draught
254.82 ft / 250.00 ft x 25.00 ft x 9.10 ft (normal load)
77.67 m / 76.20 m x 7.62 m x 2.77 m

Armament:
2 - 4.00" / 102 mm guns in single mounts, 31.00lbs / 14.06kg shells, 1922 Model
Quick firing guns in deck mounts
on centreline ends, evenly spread
4 - 1.57" / 40.0 mm guns (1x4 guns), 2.00lbs / 0.91kg shells, 1922 Model
Anti-aircraft guns in deck mount
on centreline aft, all raised guns - superfiring
4 - 0.66" / 16.8 mm guns (2x2 guns), 0.14lbs / 0.06kg shells, 1935 Model
Machine guns in deck mounts
on side, all forward, all raised mounts - superfiring
Weight of broadside 71 lbs / 32 kg
Shells per gun, main battery: 100
3 - 21.0" / 533.4 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.00" / 25 mm 0.50" / 13 mm -
2nd: 0.50" / 13 mm 0.50" / 13 mm -
3rd: 0.50" / 13 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 21,000 shp / 15,666 Kw = 31.51 kts
Range 1,440nm at 16.00 kts
Bunker at max displacement = 75 tons

Complement:
63 - 83

Cost:
£0.201 million / $0.803 million

Distribution of weights at normal displacement:
Armament: 9 tons, 1.4 %
Armour: 5 tons, 0.8 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 5 tons, 0.8 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 324 tons, 49.8 %
Hull, fittings & equipment: 233 tons, 35.9 %
Fuel, ammunition & stores: 59 tons, 9.0 %
Miscellaneous weights: 20 tons, 3.1 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
200 lbs / 91 Kg = 6.3 x 4.0 " / 102 mm shells or 0.2 torpedoes
Stability (Unstable if below 1.00): 1.24
Metacentric height 0.9 ft / 0.3 m
Roll period: 10.9 seconds
Steadiness - As gun platform (Average = 50 %): 52 %
- Recoil effect (Restricted arc if above 1.00): 0.14
Seaboat quality (Average = 1.00): 1.04

Hull form characteristics:
Hull has raised forecastle
Block coefficient: 0.400
Length to Beam Ratio: 10.00 : 1
'Natural speed' for length: 15.81 kts
Power going to wave formation at top speed: 71 %
Trim (Max stability = 0, Max steadiness = 100): 50
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: 18.00 ft / 5.49 m
- Forecastle (40 %): 18.00 ft / 5.49 m (10.00 ft / 3.05 m aft of break)
- Mid (50 %): 10.00 ft / 3.05 m
- Quarterdeck (15 %): 10.00 ft / 3.05 m
- Stern: 8.00 ft / 2.44 m
- Average freeboard: 13.05 ft / 3.98 m

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 174.5 %
- Above water (accommodation/working, high = better): 77.8 %
Waterplane Area: 3,847 Square feet or 357 Square metres
Displacement factor (Displacement / loading): 54 %
Structure weight / hull surface area: 26 lbs/sq ft or 125 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.51
- Longitudinal: 4.24
- Overall: 0.63
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped

25% Refit Notes
Fitting of new shields to 4in guns and 2pdr mount
DC rack added aft with 8x DCs
Two twin 0.661in HMG mounts replacing former 20mm guns
New HA/LA director
New boilers and engines
Life extension and refurbishment of fittings

Al Yarmouk, Al Kadisia

Ex-Irish Contae Class destroyers LÉ Contae Mhuineacháin / County Monaghan and LÉ Contae Chill Mhantáin / County Wicklow.

Contae II, Ireland Destroyer laid down 1940

Displacement:
1,350 t light; 1,439 t standard; 1,646 t normal; 1,811 t full load

Dimensions: Length overall / water x beam x draught
366.17 ft / 354.33 ft x 33.46 ft x 11.48 ft (normal load)
111.61 m / 108.00 m x 10.20 m x 3.50 m

Armament:
6 - 4.50" / 114 mm guns (3x2 guns), 45.00lbs / 20.41kg shells, 1936 Model
Dual purpose guns in deck mounts
on centreline ends, majority forward, 1 raised mount - superfiring
2 - 1.57" / 40.0 mm guns (1x2 guns), 1.95lbs / 0.88kg shells, 1940 Model
Anti-aircraft guns in deck mount
on centreline aft, all raised guns - superfiring
4 - 1.57" / 40.0 mm guns in single mounts, 1.95lbs / 0.88kg shells, 1940 Model
Anti-aircraft guns in deck mounts
on side, evenly spread
Weight of broadside 282 lbs / 128 kg
Shells per gun, main battery: 350
10 - 21.0" / 533.4 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 1.18" / 30 mm 0.79" / 20 mm -
2nd: 0.79" / 20 mm 0.79" / 20 mm -
3rd: 0.39" / 10 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 34,268 shp / 25,564 Kw = 33.60 kts
Range 5,500nm at 15.00 kts
Bunker at max displacement = 372 tons

Complement:
128 - 167

Cost:
£1.096 million / $4.385 million

Distribution of weights at normal displacement:
Armament: 36 tons, 2.2 %
Armour: 18 tons, 1.1 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 18 tons, 1.1 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 754 tons, 45.8 %
Hull, fittings & equipment: 477 tons, 29.0 %
Fuel, ammunition & stores: 296 tons, 18.0 %
Miscellaneous weights: 65 tons, 3.9 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
511 lbs / 232 Kg = 11.2 x 4.5 " / 114 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.25
Metacentric height 1.4 ft / 0.4 m
Roll period: 11.7 seconds
Steadiness - As gun platform (Average = 50 %): 70 %
- Recoil effect (Restricted arc if above 1.00): 0.28
Seaboat quality (Average = 1.00): 1.06

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.423
Length to Beam Ratio: 10.59 : 1
'Natural speed' for length: 21.60 kts
Power going to wave formation at top speed: 67 %
Trim (Max stability = 0, Max steadiness = 100): 66
Bow angle (Positive = bow angles forward): 30.00 degrees
Stern overhang: 0.00 ft / 0.00 m
Freeboard (% = measuring location as a percentage of overall length):
- Stem: 20.51 ft / 6.25 m
- Forecastle (20 %): 19.69 ft / 6.00 m
- Mid (35 %): 18.86 ft / 5.75 m (11.81 ft / 3.60 m aft of break)
- Quarterdeck (15 %): 12.30 ft / 3.75 m
- Stern: 13.12 ft / 4.00 m
- Average freeboard: 14.83 ft / 4.52 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 170.9 %
- Above water (accommodation/working, high = better): 65.8 %
Waterplane Area: 7,691 Square feet or 715 Square metres
Displacement factor (Displacement / loading): 75 %
Structure weight / hull surface area: 32 lbs/sq ft or 155 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.50
- Longitudinal: 1.89
- Overall: 0.57
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped
Ship has slow, easy roll, a good, steady gun platform

Al Ramadan, Al Tami, Al Shaab, Al Adrisi

Y Class Destroyers, ex-HMS Yeoman, Yonder, Yorker, Yukon
Transferred Q1/1948

Y Class, Great Britain Destroyer laid down 1928

Displacement:
1,543 t light; 1,606 t standard; 1,759 t normal; 1,881 t full load

Dimensions: Length overall / water x beam x draught
382.64 ft / 375.00 ft x 33.00 ft x 12.50 ft (normal load)
116.63 m / 114.30 m x 10.06 m x 3.81 m

Armament:
6 - 4.50" / 114 mm guns (3x2 guns), 45.00lbs / 20.41kg shells, 1936 Model
Dual purpose guns in deck mounts with hoists
on centreline ends, majority aft, 1 raised mount aft - superfiring
4 - 1.57" / 40.0 mm guns (2x2 guns), 2.00lbs / 0.91kg shells, 1941 Model
Anti-aircraft guns in deck mounts
on side, all amidships, all raised mounts - superfiring
12 - 0.66" / 16.8 mm guns (2x6 guns), 0.14lbs / 0.06kg shells, 1936 Model
Machine guns in deck mounts
on side, all forward, all raised mounts - superfiring
Weight of broadside 280 lbs / 127 kg
Shells per gun, main battery: 175
6 - 24.5" / 622.3 mm above water torpedoes

Armour:
- Gun armour: Face (max) Other gunhouse (avg) Barbette/hoist (max)
Main: 0.50" / 13 mm - -
2nd: 0.50" / 13 mm - -
3rd: 0.50" / 13 mm - -

Machinery:
Oil fired boilers, steam turbines,
Geared drive, 2 shafts, 35,791 shp / 26,700 Kw = 34.00 kts
Range 5,500nm at 12.00 kts
Bunker at max displacement = 275 tons

Complement:
135 - 176

Cost:
£0.782 million / $3.129 million

Distribution of weights at normal displacement:
Armament: 35 tons, 2.0 %
Armour: 7 tons, 0.4 %
- Belts: 0 tons, 0.0 %
- Torpedo bulkhead: 0 tons, 0.0 %
- Armament: 7 tons, 0.4 %
- Armour Deck: 0 tons, 0.0 %
- Conning Tower: 0 tons, 0.0 %
Machinery: 865 tons, 49.2 %
Hull, fittings & equipment: 555 tons, 31.6 %
Fuel, ammunition & stores: 216 tons, 12.3 %
Miscellaneous weights: 80 tons, 4.5 %

Overall survivability and seakeeping ability:
Survivability (Non-critical penetrating hits needed to sink ship):
472 lbs / 214 Kg = 10.4 x 4.5 " / 114 mm shells or 0.3 torpedoes
Stability (Unstable if below 1.00): 1.20
Metacentric height 1.3 ft / 0.4 m
Roll period: 12.0 seconds
Steadiness - As gun platform (Average = 50 %): 60 %
- Recoil effect (Restricted arc if above 1.00): 0.50
Seaboat quality (Average = 1.00): 1.01

Hull form characteristics:
Hull has rise forward of midbreak
and transom stern
Block coefficient: 0.398
Length to Beam Ratio: 11.36 : 1
'Natural speed' for length: 22.17 kts
Power going to wave formation at top speed: 64 %
Trim (Max stability = 0, Max steadiness = 100): 59
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: 21.00 ft / 6.40 m
- Forecastle (20 %): 20.00 ft / 6.10 m
- Mid (34 %): 20.00 ft / 6.10 m (11.00 ft / 3.35 m aft of break)
- Quarterdeck (15 %): 11.00 ft / 3.35 m
- Stern: 11.00 ft / 3.35 m
- Average freeboard: 14.14 ft / 4.31 m
Ship tends to be wet forward

Ship space, strength and comments:
Space - Hull below water (magazines/engines, low = better): 179.3 %
- Above water (accommodation/working, high = better): 78.6 %
Waterplane Area: 7,896 Square feet or 734 Square metres
Displacement factor (Displacement / loading): 68 %
Structure weight / hull surface area: 36 lbs/sq ft or 176 Kg/sq metre
Hull strength (Relative):
- Cross-sectional: 0.53
- Longitudinal: 1.63
- Overall: 0.59
Hull space for machinery, storage, compartmentation is cramped
Room for accommodation and workspaces is cramped

Refit notes
4.7in mounts replaced by 4.5in DP twin mounts
Two new pattern twin 2pdr AA mounts fitted to replace old qaud 2pdr
2 DCracks and two DCT for 32 DC
Asdic Type 142 added
Destroyer Search Type 275 set added
Destroyer Gunnery Type 286P added
Gunnery Director Type 282 added

1948 Iraq Refit
RDF sets upgraded to
Type 275 replaced with Type 970 surface search (X-Band)
Type 286P refurbished
Type 282 replaced by CRBF with Type 289