This category is somewhat arbitrary, like many in our catalog. many of the inboard designs have outboard options and there are designs in the cruiser and work boat. 34 inboard and outboard boat plans, instant access download! simple easy to build small inboard and outboard boat plans. perfect for the backyard boat building. How to build a simple outboard boat. these plans are for a small 12 foot wooden boat to be fitted with an outboard motor. the boat is a v-hull design, which will.