21-in Weymouth Mark II Torpedo

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The 21-in Weymouth Mark II Torpedo was a heater torpedo built by Whitehead. The company loaned a single experimental torpedo to the Royal Navy in 1913.[1]

Development and History

At the start of the war, all 21-in Weymouth torpedoes in England were purchased: eighteen of 24 21-in Weymouth Mark IIs intended for Japan were given to Erin (10), and Agincourt (8), but their Elswick type submerged tubes required the torpedoes to be shortened to 6.5m from 6.8m by removing a section at the rear of the head. These modified Mark II torpedoes retained their settings for:[2]

  • 41 knots to 1,000 metres
  • 41 knots to 2,000 metres [sic]
  • 38 knots to 3,500 metres
  • 29 knots to 7,000 metres
  • 25 knots to 10,000 metres

Mark II

Footnotes

  1. ↑ Annual Report of the Torpedo School, 1913. p. 8.
  2. ↑ Annual Report of the Torpedo School, 1914. pp. 10-11.

Bibliography

See Also

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