Aftermarket performance parts like turbochargers will also negatively impact engine reliability. The Wankel rotary story isn’t completely bleak. There are some advantages to rotary engines.

Giuseppe Genchi, who found a trove of engine parts at the University of Palermo, spent countless hours restoring an 11-cylinder rotary engine from World War I. Giorgio Hardouin You might say that ...

Although there was briefly a company called Rotary ... few moving parts and offers very smooth power transfer and high power to weight ratio. The downside, though, is that the engine deliberately ...

unconventional powerplant—the rotary engine—began to circulate among engineers and enthusiasts alike. This innovative design ...