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. the hull, and entire boat, is designed to be a relatively easy project.. Float-a-home. float-a-home is a 21-footer that provides plenty of living space for three or four persons. an extremely simple houseboat to build, the free boat plans feature a strong hull with a heavy keel and close-spaced framing. this, coupled with a relatively low profile, makes it a very stable craft.. A classic model boat plan for a single stepped hydroplane boat . antares – motor boat . antares plans are in tiled pdf format which are 850 kb in 10 pages . a simple plan for a classic model wooden boat . flyer – 135 cu inch class hydroplane race craft – 1/4 scale frame plans. premium plans for the bruce n crandell 135 cu inch hydroplane..