Based on a Wright R-975 Whirlwind radial engine, the Hackel-Wright Chopper is unlike any motorcycle you've seen before. It borrows components from Harley and Toyota and is built by a guy named Al ...

Continental, a successful manufacturer of automotive engines, purchased the rights for a Burt-McCollum single-sleeve valve engine design in 1925. Believing this technology might replace poppet valves ...

IIIF provides researchers rich metadata and media viewing options for comparison of works across cultural heritage collections. Visit the IIIF page to learn more. Power rating: 1,268 kW (1,700 hp) at ...

In 1925, the Wasp was a leap forward in aircraft power, reliability, and performance – one that rocketed the trajectory of aviation technology into the post-war era. Its nine-cylinder, air-cooled ...