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 ...

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 ...

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 ...

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 ...

When learning about the design of a machine or mechanism, reading and watching videos is certainly effective, but it’s hard to beat hands-on experimentation. In the video after the break, [Brick ...

Based on a Wright R-975 Whirlwind radial engine, the Hackel-Wright Chopper is unlike any motorcycle you've seen before. It borrows components from Harley and Toyota and is built by a guy named Al ...

The Meyers Manx is one of the most recognizable shapes in automobiledom, but the Manx recently featured on "Jay Leno's Garage" hides a surprise underneath the familiar bodywork. As a refresher, the ...

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, ...

Honda might be looking back to early aeronautics in its latest bid to make variable compression engines simpler and sturdier. The engine is designed to take advantage of the simple crank design of ...

As the automotive propulsion industry shifts toward electrification, the last-of-breed combustion engines are a stultifyingly similar bunch, focused around the same CAD-optimized 500cc cylinder ...