21-in Mark II Torpedo (UK): Difference between revisions
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==Mark II**== | ==Mark II**== | ||
Introduced in 1914, these included the improvements of the II** and added three other small features.{{ARTS1914|p. 9}} | Introduced in 1914, these included the improvements of the II** and added three other small features.{{ARTS1914|p. 9}} | ||
==Mark II***== | |||
==Mark II***== | |||
In 1915, Commander-in-CHief Home Fleet wanted a proportion of torpedoes able to reach the greatest possible range. By year's end, trials of a torpedo with a projected range of 18,000 yards at 19-20 knots were anticipated.{{ARTS1915|p. 37}} | |||
==Footnotes== | ==Footnotes== | ||
Revision as of 20:40, 30 November 2012
The 21-in R.G.F. Mark II Torpedo was a British torpedo developed at the Royal Gun Factory and first ordered for service in 1909-1910.[Citation needed]
Development and History
It was developed in parallel with the Mark I torpedo, which was shorter at 18.5 feet.
Mark II
In 1909-1910, 4 hook bracket torpedoes were ordered.[Citation needed]
Mark II*
Introduced in 1914, these featured rectified threads throughout, air vessel pressures of 2,350 psi for 10,750 yard range and two other improvements.[2]
Mark II**
Introduced in 1914, these included the improvements of the II** and added three other small features.[3]
Mark II***
Mark II***
In 1915, Commander-in-CHief Home Fleet wanted a proportion of torpedoes able to reach the greatest possible range. By year's end, trials of a torpedo with a projected range of 18,000 yards at 19-20 knots were anticipated.[4]
Footnotes
Bibliography
