Rotary
Wankel: no pistons, just spinning triangles
Two three-cornered rotors turning inside peanut-shaped housings on one eccentric shaft. No pistons, no valves, no camshafts.
Under the hood
Wankel: no pistons, just spinning triangles
Two three-cornered rotors turning inside peanut-shaped housings on one eccentric shaft. No pistons, no valves, no camshafts.