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 ...

A golden sunset sets the stage as a classic Lockheed Electra takes to the skies, echoing the elegance of early aviation. We ...

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 ...

Click to open image viewer. Power rating: 179 kW (240 hp) at 2,000 rpm Displacement: 11 L (680 cu in.) Bore and Stroke: 117.5 mm (4.625 in.) x 114.3 mm (4.5 in.) Operating as a subsidiary of the ...