Click on any class group above to be taken directly to all the race boats listed in that category. if you have (or had) a vintage raceboat, you can have it added to. Designers, plans & kits a to m: 16′ mckenzie river driftboat plans and construction manual (from altair industries) ace marine ltd. (low cost naval architecture. And remember from the discussion about nuclear weapons that there are 4.184e12 joules in a kiloton and 4.184e15 joules in a megaton. so simply:.