Many petrol heads sing praises of the RX-7 and its magical rotary heart. Mazda themselves celebrated the craze with the RX-8, whose design was laden with triangles celebrating the rotor shape.
In order to understand what all the fuss is about, one of our favourite YouTube channels, Engineering Explained runs us through how it works.
He even tells us the benefits and disadvantages of the engine type, so watch the entire thing!