How to build a small sail boat. these plans are for a small sail boat called the biloxi dinghy. former builders claim it’s a great design.s. from the plans:. Wooden boat plans developed by a boat design expert & naval architect. all boat plans come with free 3-d computer models & free master boat builder course.. 1805 george avenue annapolis, maryland 21401 usa © 2017 chesapeake light craft, llc all rights reserved. reproduction in whole or in part without written permission.