A 9 metre steel power catamaran for long distance economical cruising. the alternative way of spacious live a board cruising under power. also available in aluminium. Affordable power cruising catamaran designs boat plans designed for simple constuction and low cost epoxy/plywood/fiberglass, free online study plans. A tough alloy power catamaran length 6 metres (19 foot). beam 2.45 metres (8 foot) suitable for trailing. twin outboards of about 100hp. alloy weight uncut 650 kg..