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British 18 inch torpedo: Wikis

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Note : British "18 inch" torpedoes were in fact 45 cm (17.72 inch) in diameter, beginning with the 45 cm "Fiume" (Whitehead) torpedo of 1890.

There have been a number of 18 inch torpedoes in service with the United Kingdom.

These have been used on ships of the Royal Navy and aircraft of both the Fleet Air Arm and Royal Air Force.

Contents

45 cm "Fiume" (Whitehead) torpedo

First introduced into British service in 1894.[1]

18 inch Mark V

Used on the River class and 1905 Tribal class destroyers.

18 inch Mark VI

18 inch Mark VII and VII*

Used by torpedo boats built before the First World War and destroyers. Used by RAF flying boats in the 1920s.

18 inch Mark VIII

  • Year: 1913
  • Role: Submarines and aircraft (note WW2 and after Mk VIII was a 21 inch torpedo)
  • Warhead: 320 lb (145 kg) TNT
  • Propulsion: Wet heater
  • Performance: 35 knots (65 km/h) for 2.3 km (2,500 yd)

18 inch Mark XI

  • Year: 1934
  • Aircraft carried
  • Dimensions: 449 mm dia. (17.7 inch)
  • Warhead: 211 kg (465 lb) TNT
  • Propulsion: Burner cycle
  • Performance: 35 knots (65 km/h) for 2.3 km (2,500 yd)

18 inch Mark XII

18 inch Mark XII
Type torpedo
Place of origin United Kingdom
Service history
In service 1937-1945
Production history
Designed 1935
Specifications
Weight 1,548 lb (702 kg)
Length 16 ft 3 in (4.95 m)
Diameter 17.7 inch (449 mm)

Warhead TNT
Warhead weight 388 lb (176 kg)

Engine Burner cycle
140 hp (at 40 knots)
Speed 40 knots (74 km/h) for 1,500 yd (1.4 km ) or
37 knots (69 km/h) for 3,500 yds(3.2 km)

Aircraft launched, used by Fleet Air Arm and RAF Coastal Command.

18 inch Mark XIV

18 inch Mark XIV
Type torpedo
Place of origin United Kingdom
Production history
Designed around 1938
Specifications
Weight 1,630 lb (739 kg)
Diameter 17.7 inch (449 mm)

Warhead TNT
Warhead weight 375 lb (170 kg)

Engine Whitehead wet heater (methyl fuel)
Speed 45 knots (83 km/h) for 1.5 km (1,650 yd) or 41 knots (76 km/h) for 2.7 km (2,950 yd)

The Mark XIV was an aircraft- launched torpedo. Stocks were lost with the fall of Singapore

18 inch Mark XV

  • Year: 1942
  • Operators: FAA, RAF Coastal Command, RN
  • Role: Aircraft and Motor Torpedo Boats, 1943 onwards
  • Dimensions: 449 mm x 5.3 m (17.7 inch x 17 ft 3 in)
  • Warhead: 545 lb (247 kg) Torpex
  • Propulsion: Burner cycle
  • Performance: 40 knots (74 km/h) for 2.3 km (2,500 yd) or 33 knots (61 km/h) for 3.2 km (3,500 yd)

18 inch Mark XVI

Electric torpedo project not completed.

18 inch Mark XVII

  • United Kingdom, 1944
  • Aircraft launched
  • Operated by FAA, RAF Coastal Command, Blackburn Firebrand
  • Dimensions: 449 mm x 5.3 m (17.7 inch x 17 ft 3 in)
  • Warhead: 272 kg (600 lb) Torpex
  • Propulsion: Burner cycle
  • Performance: 40 knots (74 km/h) for 2.3 km (2,500 yd)

18 inch Mark 30

Known as "Dealer" and "Dealer B". Used from 1954 to 1970. [2]

See also

Notes

  1. ^ DiGiulian, British Torpedoes Pre-World War II
  2. ^ http://www.navweaps.com/Weapons/WTBR_PostWWII.htm

References

External links

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