Check out our catamaran boat designs for the e-cat, an economical, efficient, and electric capable catamaran. buy these electric catamaran plans at bateau!. Online store for sailboat and powerboat plans and designs, kit boats, boat building books, boating equipment and special offers.. 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.