Welcome to minijet! minijet presents you with new boat designs capable of going places where no one has ever been before. we are now building turn-key packages, hulls, kitsets, intakes and anything else you require.. Boat plans bruce roberts official web site offers custom boat plans and boat kits for steel boats or aluminum boat designs, cut to size boat kits, part built boats or complete boats. bruce roberts yacht designs offer boat building project management arrangements for boats built overseas at affordable prices. sailboat and powerboat building plans and kits available for building steel boats. 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..