A scratch built rc boat hull easy and inexpensive. learn to scratch build with this simple project. plans are available for download.. 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?. Baby bootlegger. this iconic racing boat was originally designed by george crouch in 1924 and went on to win the 1924 and 1925 apba gold cup. our plans for this boat.