Ham-class minesweeper: Difference between revisions

Revision as of 21:07, 16 October 2009

Revision as of 12:27, 4 April 2010

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The vessels displaced 164 [[long ton|tons]] fully laden and were armed with one [[Bofors 40 mm gun|40 mm Bofors]] or [[Oerlikon 20 mm cannon|20 mm Oerlikon]] gun. They were 32.5 metres long overall by 6.4 metres beam. The construction was of wood to minimise magnetic signature. The crew complement was 15, rising to 22 in wartime.

The engines of this class were [[Paxman (engines)|Paxman]] [[diesel engine|diesels]], some of which were built under licence by [[Ruston (engine builder)|Ruston and Hornsby]] of [[Lincoln, Lincolnshire|Lincoln]]. Each vessel had: two 12YHAXM (intercooled) for main propulsion, rated 550 [[Horsepower#Brake horsepower (bhp)|bhp]] at 1,000 rpm, plus one 12YHAZ for pulse generation. Maximum speed was {{convert|14|kn|km/h}} dropping to {{convert|9|kn|km/h}} when mine sweeping.

The class shared the same basic hull as their [[minehunter|minehunting]] counterpart, the [[Ley class minehunter|Ley-class]] and the [[Echo class survey ship (1957)|''Echo''-class]] inshore survey craft.