How fast does it go? for estimating the speed for small outboard planing boats see planing speed boat chart. this chart should be used for. Riva aquarama 27 foot. possibly the most famous wooden boat worldwide, the aquarama was an intricate design with a ground breaking approach to both comfort and quality.. 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.