Catalogue of all small boat plans and custom small boat designs by tad roberts. plans for plywood, lapstrake, plank-on-frame, cold-molded, sheath-stripped, and. After 40 years there is still no better place for the first time boat builder to start than harold h. "dynamite" payson. inspiration mixed with a little common sense…. 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.