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. Boatbuilders, manufacturers & repair yards n to z: naiad inflatables (manufacturer of rigid hulled inflatable craft, new zealand) najad yachts of sweden (fiberglass. Our first vintage race boat – a modified 1946 gar wood speedster. many years ago, while visiting on vacation during the summer of 1979, i read a jerry harper ad in.