The Wankel rotary engine is an engineer's dream. Smaller, lighter and simpler than any piston engine ... Fenske uses an incredibly cool 3D-printed cutaway engine to explain exactly why the ...

Mercedes put serious research into the engine, and GM even believed that the rotary would supersede the piston engine in ... Yamamoto's book has a great illustration showing how a twin-rotor ...

Everything inside the crankcase rotates, but unlike a Wankel-style rotary engine, this design uses a piston with two connecting rods that have a scissor-like movement attached to pinion gears at ...