OSHKOSH, Wisconsin -- Idaho-based Kitfox Aircraft introduced one of the more interesting looking light sport aircraft here at Airventure by simply adding a radial engine to the front. The ...

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 ...

Lockheed's Model 12-A was a twin-engine transport plane that the aerospace firm manufactured between 1936 and 1942. It was designed as a smaller version of Lockheed's 10-A, sitting just over 36 feet ...

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 ...

CANTON Over the past 15 years C. Mitchell Boulton has been working to make something old new again. Doing what he described as a retirement hobby, Boulton began reverse engineering a radial aircraft ...

Power rating: 74.6 kW (100 hp) at 1,810 rpm Displacement: 6.1 L (372 cu in.) Bore and Stroke: 108 mm (4.3 in.) x 133 mm (5.3 in.) Kinner Motors, Inc. succeeded California’s Kinner Airplane and Motor ...

Through the process of experimentation, two “radial engine models” were produced. The engine model shown above uses a gear-reduced motor to power it. The other model uses CNC-cut gears and a motor ...

Say you’re developing a new aircraft engine and you want to do some real-world testing. What’s the easiest and most fun way to go about it? Try it out on a car, first. And if it’s not just any car, ...