A number of embodiments of small lightweight outboard motors adapted to be mounted on a watercraft that does not have a transom through a mounting bracket that spans the sides of the hull and is detachably affixed thereto. The outbaord motor is powered by small internal combustion engine that is contained...http://www.google.de/patents/US5197910?utm_source=gb-gplus-sharePatent US5197910 - Outboard motor
