21-in Mark I Torpedo (UK)

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R.G.F. Torpedoes Mark I and II, 1909[1]

The 21-in R.G.F. Mark I Torpedo was a British torpedo developed at the Royal Gun Factory.

Two experimental torpedoes were ordered for testing in 1908-09.[2]

They were first ordered for service in 1909-1910.[Citation needed]

Development and History

It was developed in parallel with the Mark II torpedo, which was longer.[Citation needed]

The Beagle class destroyers of the Third Destroyer Flotilla were the first ships to carry this weapon, being equipped in 1912.[3]

Mark I

Its overall length including 4.5-in long pistol was 17 feet, 10.5 inches (see Plate), identical to the Weymouth Mark I.[4]

Manufacture and Use

In 1909-1910, 66 side lug torpedoes were ordered.[Citation needed]

Footnotes

  1. Annual Report of the Torpedo School, 1909. Plate 1.
  2. Annual Report of the Torpedo School, 1908. p. 7.
  3. Annual Report of the Torpedo School, 1912. p. 36.
  4. Annual Report of the Torpedo School, 1908. p. 18.

Bibliography

See Also