A Wobble Disk Air Motor With One Moving Part

In general, the simpler a thing is, the better. That doesn’t appear to apply to engines, though, at least not how we’ve been building them. Pistons, cranks, valves, and seals, all opera…

Bent Shaft Isn’t A Bad Thing For This Pericyclic Gearbox

With few exceptions, power transmission is a field where wobbling is a bad thing. We generally want everything running straight and true, with gears and wheels perfectly perpendicular to their shaf…