18-in Mark VI Torpedo (UK): Difference between revisions
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==Development and History== | ==Development and History== | ||
A single one was built in 1904. It was one foot longer than the [[18-in | A single one was built in 1904. It was one foot longer than the [[18-in Mark V* Torpedo (UK)|Mark V*]] and could take 2000 psi. Anticipated speeds were 27 knots for 2,000 yards or 23.75 knots for 3,000 yards.{{ARTS1904|p. vi}} | ||
Orders and production followed. | Orders and production followed. | ||
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* C.G. distance from tip of shaft, 60 pounds air: 114.35 inches | * C.G. distance from tip of shaft, 60 pounds air: 114.35 inches | ||
* Warhead: 200 pounds wet guncotton | * Warhead: 200 pounds wet guncotton | ||
It carried a charge of 170 pounds, 15 ounces – the same as in the [[18-in | It carried a charge of 170 pounds, 15 ounces – the same as in the [[18-in Mark III Torpedo (UK)|Mark III torpedo]]. | ||
It had a Brotherhood engine of 3.25x3 inches. | It had a Brotherhood engine of 3.25x3 inches. | ||
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Its overall length including 4.5-in long pistol was 17 feet, 7.44 inches (see Plate).{{ARTS1908|p. 18}} | Its overall length including 4.5-in long pistol was 17 feet, 7.44 inches (see Plate).{{ARTS1908|p. 18}} | ||
By the 1908-09, [[18-in | By the 1908-09, [[18-in Mark VII Torpedo (UK)|Mark VII variants]] were being ordered for production. | ||
In 1919, it was approved to break up all 41 remaining specimens.{{ARTS1919|p. 12}} | In 1919, it was approved to break up all 41 remaining specimens.{{ARTS1919|p. 12}} | ||
Revision as of 17:37, 27 October 2013
The 18-in R.G.F. Mark VI Torpedo was a British torpedo developed at the Royal Gun Factory in 1904.[3]
Development and History
A single one was built in 1904. It was one foot longer than the Mark V* and could take 2000 psi. Anticipated speeds were 27 knots for 2,000 yards or 23.75 knots for 3,000 yards.[4]
Orders and production followed.
Particulars
Mark VI
The first order was made in the 1906-07 programme, for 31 Hook Bracket torpedoes and 336 Side Lug models, split between Long Range and Short Range configurations..[5]
In 1919, 70 of 97 remaining Mark VI H.B. and S.L. torpedoes were to be broken up.[6]
Mark VI G.S.
These were fitted with guide strips, perhaps allowing fire from the beam tubes of "E" Class submarines. They were passed at 33-34 knots to 1,000 yards, with a speed drop not to exceed 1 knot.[7]
Mark VI*
The first order was made in the 1906-07 programme, for 336 Side Lug torpedoes, some of them set for S.R. and some for L.R..[8]
In 1907-08, seven H.B. and 74 S.L. torpedoes were ordered.[9]
In 1919, it was approved to break up 34 of 54 remaining H.B. and S.L. torpedoes.[10]
Mark VI* H.
Come 1908, the Mark VI* torpedoes were being converted to employ heaters. That year, 17 H.B. models were to converted, and 12 of the S.L. torpedoes had been done.[11]
Its overall length including 4.5-in long pistol was 17 feet, 7.44 inches (see Plate).[12]
By the 1908-09, Mark VII variants were being ordered for production.
In 1919, it was approved to break up all 41 remaining specimens.[13]
Mark VI**
In 1909-10, 53 Hook Bracket models were converted to heaters, becoming Mark VI** H. H.B.s.[14]
Mark VI** H.
In 1909, the H.B. variety was making 28-30 knots to 6,000 yards.[15]
In 1913, these, along with VII*, VII** and VIII** H. torpedoes being re-allocated to battleships between Dreadnought and Neptune, inclusive.[16]
In 1919, it was approved to break up 50 of 129 remaining VI** H. and VI*** H. torpedoes.[17]
Mark VI***
Mark VI*** H.
In 1913, these, along with VII*, VII** and VIII* H. torpedoes being re-allocated to battleships between Dreadnought and Neptune, inclusive.[19]
In 1919, it was approved to break up 50 of 129 remaining VI** H. and VI*** H. torpedoes.[20]
Footnotes
- ↑ Annual Report of the Torpedo School, 1909. Plate 2.
- ↑ Annual Report of the Torpedo School, 1908. Plate 11.
- ↑ Annual Report of the Torpedo School, 1904. p. vi.
- ↑ Annual Report of the Torpedo School, 1904. p. vi.
- ↑ Annual Report of the Torpedo School, 1906. p. 8.
- ↑ Annual Report of the Torpedo School, 1919. p. 12.
- ↑ Annual Report of the Torpedo School, 1913. p. 12.
- ↑ Annual Report of the Torpedo School, 1906. p. 8.
- ↑ Annual Report of the Torpedo School, 1907. p. 8.
- ↑ Annual Report of the Torpedo School, 1919. p. 12.
- ↑ Annual Report of the Torpedo School, 1908. p. 7.
- ↑ Annual Report of the Torpedo School, 1908. p. 18.
- ↑ Annual Report of the Torpedo School, 1919. p. 12.
- ↑ Annual Report of the Torpedo School, 1909. p. 7.
- ↑ Annual Report of the Torpedo School, 1909. p. 11.
- ↑ Annual Report of the Torpedo School, 1913. p. 8.
- ↑ Annual Report of the Torpedo School, 1919. p. 12.
- ↑ Annual Report of the Torpedo School, 1910. Plate 6.
- ↑ Annual Report of the Torpedo School, 1913. p. 8.
- ↑ Annual Report of the Torpedo School, 1919. p. 12.
Bibliography
