This rc boat hull building instruction goes hand-in-hand with the plans available for download. the hull, and entire boat, is designed to be a relatively easy project.. Here you will find custom built rc gas boats, rc boat hulls, rc boat kits, rc boat motors and much more. do you want to blister the competition?. The lauterbach thunderboat is a 1/5 scale replica of the world famous hydroplanes built by henry and larry lauterbach from the 1950’s to the 1990’s..