General purpose work boat plans with 21′ hull, several other free wooden boat plans to choose from: the work boat design, tour boat, bass boat, deck boat, and center. Tech support. the best technical support: we will help you succeed! all our plans and kits come with full technical support. ask questions on our support web site. How fast does it go? for estimating the speed for small outboard planing boats see planing speed boat chart. this chart should be used for general estimates only..