From oil soaked World War I rotary engines to the massive 28 cylinder R 4360 Wasp Major, this episode traces the evolution of the air cooled radial. We break down how engineers balanced cooling, power ...

As with many things in technological development, identifying the most revolutionary designs depends in part on what aspects one wants to stress. And when it comes to commercial aircraft engines, it ...

Bore and Stroke: 117 mm (4.6 in.) x 108 mm (4.3 in.) The Warner Aircraft Corporation of Detroit, Michigan built four models of similar radial air-cooled engines. Three were seven cylinder engines ...