There’s a new spin on the rotary engine. Liquid Piston, a Connecticut-based engineering firm, has turned the classic Wankel engine design inside out to create a more efficient, and cleaner-burning ...

There is probably no better chronicler into the full depth of American ingenuity than YouTube. Here one finds not just computer models for all manner of esoteric combustion engine designs, but actual ...

I love weird engines—give me a rotary, a turbine, or, hell, even a flat-eight and I’ll be happy. That’s why I was so excited when I heard that INNengine of Granada, Spain had produced a opposed-piston ...

SAE Transactions, Vol. 23, PARTS I and II (1928), pp. 145-150 (6 pages) COMPROMISES are necessary in designing a piston, sacrificing the quality of least importance under the given conditions.