18-in Mark II Torpedo (UK): Difference between revisions
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The '''18-in R.G.F. Mark II Torpedo''' was a British torpedo torpedo developed at the [[Royal Gun Factory]] in 1893.{{ARTS1893|p. 52}} | The '''18-in R.G.F. Mark II Torpedo''' was a British torpedo torpedo developed at the [[Royal Gun Factory]] in 1893.{{ARTS1893|p. 52}} | ||
It | It may have been built in both long and short versions, but the short version is not clear. | ||
It was very similar to the Mark I version, but had a strengthened head joint and could be set for 5 to 22 foot running depth.{{ARTS1893|p. 52}} | It was very similar to the Mark I version, but had a strengthened head joint and could be set for 5 to 22 foot running depth.{{ARTS1893|p. 52}} | ||
== | ==Mark I== | ||
It carried a charge of 188 pounds.{{ARTS1895|p. 30}} | |||
In 1895, 126 were yet in service. | |||
==Mark IIa== | |||
First mentioned in ARTS 1894.{{ARTS1894|p. 40}} | |||
==Mark II*== | |||
First mentioned in ARTS 1894.{{ARTS1894|p. 40}} | |||
==Manufacture and Use== | |||
===1905=== | |||
In 60 degree water, 18-in H.B. torpedoes of Mark I* through IV were approved for the setting of 1,500 yards at 20.25 +/- 0.25 knots at 1,400 pounds pressure. The S.L.L.R. torpedoes of the same Marks did at 21.75 knots to 1,500 yards and the S.L.S.R. models 25.25 knots at 1,350 pounds pressure.{{PQDNO1905|pp. 440, 441}} | |||
===1918=== | |||
12 of just 33 remaining Mark II and II* torpedoes were broken up in 1918.{{ARTS1918|p. 10. (G. 8472/18)}} | |||
===1919=== | |||
In 1919, it was approved to break up all 18-in R.G.F. torpedoes Mark I* to Mark III.{{ARTS1919|p. 11}} | |||
==Footnotes== | ==Footnotes== | ||
Latest revision as of 16:23, 30 July 2014
The 18-in R.G.F. Mark II Torpedo was a British torpedo torpedo developed at the Royal Gun Factory in 1893.[1]
It may have been built in both long and short versions, but the short version is not clear.
It was very similar to the Mark I version, but had a strengthened head joint and could be set for 5 to 22 foot running depth.[2]
Mark I
It carried a charge of 188 pounds.[3]
In 1895, 126 were yet in service.
Mark IIa
First mentioned in ARTS 1894.[4]
Mark II*
First mentioned in ARTS 1894.[5]
Manufacture and Use
1905
In 60 degree water, 18-in H.B. torpedoes of Mark I* through IV were approved for the setting of 1,500 yards at 20.25 +/- 0.25 knots at 1,400 pounds pressure. The S.L.L.R. torpedoes of the same Marks did at 21.75 knots to 1,500 yards and the S.L.S.R. models 25.25 knots at 1,350 pounds pressure.[6]
1918
12 of just 33 remaining Mark II and II* torpedoes were broken up in 1918.[7]
1919
In 1919, it was approved to break up all 18-in R.G.F. torpedoes Mark I* to Mark III.[8]
Footnotes
- ↑ Annual Report of the Torpedo School, 1893. p. 52.
- ↑ Annual Report of the Torpedo School, 1893. p. 52.
- ↑ Annual Report of the Torpedo School, 1895. p. 30.
- ↑ Annual Report of the Torpedo School, 1894. p. 40.
- ↑ Annual Report of the Torpedo School, 1894. p. 40.
- ↑ Principal Questions Dealt with by the Director of Naval Ordnance, 1905. pp. 440, 441.
- ↑ Annual Report of the Torpedo School, 1918. p. 10. (G. 8472/18).
- ↑ Annual Report of the Torpedo School, 1919. p. 11.
Bibliography
