Engine Ambition: Air-Cooled Engines Capture Collector's Interest

Rudy Adrian shows off his air-cooled engine collection.

1914 1-1/2 HP De Laval Alpha Type F engine
The working end of Rudy's 1914 1-1/2 HP De Laval Alpha Type F gas engine, with the Sumter magneto mounted on top of the timing gears.
Photo by Bill Vossler