The world of automotive engineering is filled with innovation and experimentation, leading to some rather unusual engine designs that made it to production, albeit briefly. These engines often broke ...

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 ...

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 ...

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 ...

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