Has anyone seen a Mazda Cosmo on the roads...a museum?
Rotary engines are groovy, but by their very nature are like a vast fuel/air pump. In a conventional engine, the piston goes up, takes a few microsecond rest then comes down and takes a few microseconds rest...but in a rotary the triangular lobe seals must go round and round...round and round with no time to cool off a little...this is why we only see rotaries in the hands of those who know how to maintain and replace the rotar seals-
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