Mike Nixon gave an informative talk about the Bristol Centaurus, an 18-cylinder, sleeve-valve radial engine producing over ...

We witness a 1941-built warbird come alive as its radial engine roars into motion at Hahnweide, setting the tone for what ...

Click to open image viewer. Power rating: 1,268 kW (1,700 hp) at 2,700 rpm Displacement: 41.8 L (2,550 cu in.) Bore and Stroke: 156 mm (6.14 in.) x 156 mm (6.14 in.) The BMW 801 was the first German ...

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 ...

Mid-century classic shares several features familiar to pilots of newer aircraft.

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 ...