Free boat & ship plans boats, ships & anything that floats. this section is dedicated to free boat plans. each plan is available as a zipped file and will either. Welcome to spira international home-built boat plans. spira international offers a wide variety of different power, rowing, and sailing skiffs, dories, and other boat. 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.