Proven boat designs, and how-to information for boat building. boat plans are for beginners and have been built by thousands since 1953.. Don betz built this 43" ac model boats "wild thing". it has a bhp zenoah with a hanson dv header and a rpm pipe. on the transom is the m&d designed, mdd drive. Great hobbies is canada’s leading dealer for radio controlled models and related hobby products..