both result in terrible emissions from Wankel engines. The emissions problems are one of several reasons the RX-8 was pulled from production. Sealing: Rotors use seals on the faces, seals around ...

Could there possibly be a rotary engine with 12 rotors? The answer is yes, and here’s everything we know about it including ...

Felix Wankel, a German engineer ... In addition, issues like apex seal failures and issues with the rotor-tip seal didn't help. The first delay in production came in 1974, and after Ed Cole ...

Although there was briefly a company called Rotary Rocket, the term is much better known as a nickname for the Mazda RX-7 — one of the few cars that used a Wankel ... and seal, so it is ...

On the flip side, though, Wankel engines tend to consume fuel and oil at a high rate of knots, and require regular preventative maintenance of the rotor seals to prevent catastrophic engine failure.

Ah, the Wankel. You magnificent, high-reving feat of unorthodox engineering. Your biggest champion, Mazda, may have left you – at least for the moment – but that doesn't mean some mad ...