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 ...

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 ...

Small, ultra-fast, primary and “afterburner” secondary combustion events promise to deliver brake thermal efficiency as high ...

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 ...

NSU unveiled the Ro 80 at the 1967 Frankfurt Motor Show, and Car Magazine praised its sleek design and named the vehicle its Car of the Year. Car’s editors noted that the Wankel engine’s ...