In the end, emerging rotary technology was simply not as viable as implementing restrictions on the well-understood piston ...

Your car's tachometer has a redline that's probably well below 10,000 rpm. These engines put the capabilities of production car engines to shame.

This engine is the basis of the modern “Wankel” rotary engine. Piston powered engines, chiefly the Otto and Diesel cycle, are current kings of the internal combustion mountain. Piston powered ...

Thus rotary engines tend to have high specific outputs ... perhaps none finer than the only non-piston-engined car to win at Le Mans – Mazda’s 787B. The car’s 2.6-litre four-rotor ...