Simply put, the rotary engine is actually a triangle-shaped rotor that spins inside an oval housing. Each rotor has 3 combustion chambers, a single for all sides, which is housed in between a pair of plates to create a closed chamber. Rotary-style engines can be found in just one rotor https://chancewilox.glifeblog.com/29844396/top-13b-turbo-2-engine-for-sale-secrets