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 ...

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.

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 ...

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 ...