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 ...

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 ...

Wankel rotary engines feature an equilateral triangular ... constant contact with the housing (thanks to rotary engine apex seals), creating three gas volumes that are isolated by the rotor.

then you can slap a turbocharged single-rotor Wankel in there, and add power while actually cutting weight. Dahm's latest project is to swap an NA Miata's four-cylinder out for a compact rotary ...

Wankel engines first saw use in production cars as early as 1964 — and not even in a Mazda, but rather in an NSU. That little single-rotor powerplant quickly evolved into the more typical two ...