The boiler, engines, and sidewheels are on a frame weighing approx. 130 lbs which is easily attached amidships to the railcaps of this rugged canoe. Thistle class sailboat hull of hot molded plywood which the owner lengthened. LOON Robert McKibbins. 17' lifeboat type hull powered by a Semple 5 hp engine and Semple boiler.
Loon is a simple, no frills power plant.
25.5' fantail hull powered by a beautiful AVL compound and Roberts type boiler, both built by the owner.