70' Clyde class, a trawler type lifeboat designed to lie offshore in such exposed waters as the Bristol Channel and the Orkneys, and to be able to remain at sea for long periods, if necessary, without refuelling. 70-003, on show at Plymouth, is the new Clovelly boat City of Bristol. She has twin Gardner 8L3B diesel engines giving a speed of 11 knots. A special appeal is being launched in the Bristol area to provide the money for the new boat..