Discover the remarkable story of Boeing Model 100 N872H, the civilian sibling of the P 12 fighter that evolved from engine ...

Click to open image viewer. CC0 Usage Conditions ApplyClick for more information. Beginning around 1922, J.F. Irwin’s Irwin Aircraft Company of Watsonville, California designed and provided blueprints ...

Power rating: 33.6 kW (45 hp) at 1,300 rpm Displacement: 4.6 L (279 cu in.) Bore and Stroke: 90 mm (3.5 in.) x 120 mm (4.7 in.) Alessandro Anzani, an Italian who originally built motorcycles in France ...

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 ...

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 ...