A scratch built rc boat hull easy and inexpensive. learn to scratch build with this simple project. plans are available for download.. A large number of aluminum single hull (monohull) boat designs (plans) that serve a variety of purposes. these include orcas, outbacks, sitkas, sportsters, sport. Here you can find plans, designed by me, for depron rc airplane models. my models can also be purchased as kits, with or without motor and esc, from 6mmflyrc and.