H51

Built By:	Pembroke Dockyard
Build Group:	H Group 2
Fate:	Sold to the Breakers June 1924

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Events

01-10-1917 :	Laid Down
15-11-1918 :	Launched
01-09-1919 :	Completed

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Boats In Class

H Group 2 Specification

Length overall	171' 9"
Beam	15' 9"
Depth	15' 4"
Displacement	438 tons (surface)
	504 tons (submerged)
Diving Depth	150'
Speed	Surface 13 knots (design)
	Surface 11.5 knots (service)
	Submerged 10 to 10.5 knots (design)
	Submerged 9 knots (service)
No. of shafts	2
Armament	4 21" bow tubes (6 torpedoes carried)
Endurance	Surface: 2000 miles at full power (design)
	Surface: 1100 miles at full power or 1600 miles at 10 knots (service)
	Submerged: 70 miles at 3 knots (design)
	Submerged: 9 miles at 8 knots or 34 miles at 3.5 knots (service)
Complement	22

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Fate:	Foundered in the English channel Sept 3 1918 while under tow to be scrapped. She was salvaged and used as a target the following year.

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