The 20th century was the age of the internal combustion engine. The fruits of industrial progress produced power plants tasked with everything from running generators to powering warplanes. The First ...

If you look at aircraft from the Second World War or earlier, you'll notice that many of them have engines with large frontal areas and cylinders arranged about the propeller crankshaft. This a radial ...

Bore and Stroke: 127 mm (5.0 in.) x 140 mm (5.5 in.) Charles Lawrance, originally a race car engine designer, built his first air-cooled aircraft engine in 1921 for a Navy contract. The 149 kW (200 hp ...

We may receive a commission on purchases made from links. Mankind first took flight in 1903 when the Wright brothers took off over Kitty Hawk, North Carolina. Since then, all manner of aircraft have ...