Mazda is notorious for putting rotary engines under the hood of its cars, but here are six models from other manufacturers ...

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.

This required removing the keyway on the compressor shaft and withdrawing a seal I later learned was ... kind of elongated inner chamber that a Wankel engine has, and vanes that are flung outward by ...

The Mazda Miata is beloved for being tiny and light, a combination of qualities most modern automakers seem to avoid like the ...

Panagis is one of dozens of Mediterranean monk seals, or Monachus monachus, that have been nursed back to health by Greece’s MOm, a charity dedicated to the care and protection of the rare marine ...

Remember rotary engines? The Felix Wankel-developed (stop tittering at the back) rotating engine design as flirted most famously with by the phenomenally fast JPS Norton racers, not to mention the ...