At Old Rhinebeck Airdrome in Red Hook, New York, sits one of the premier collections of vintage aircraft in the United States. Director of Maintenance Mark Mondello is one of the key people ...

The electric motor might carry the hype banner at the moment, but some minds remain convinced that there's plenty of innovation left to be extracted from internal combustion. AIE is one of the rotary ...

Click to open image viewer. Power rating: 37 kw (50 hp) at 1,200 rpm Displacement: 7.98 L ( 488.5 cu in.) Bore and Stroke: 110 mm (4.33 in.) x 120 mm (4.73 in.) The first successful rotary engine is ...

Mazda 13B rotary engine in a white Mazda RX-7 engine bay. - TTTNIS/Wikimedia Commons When it comes to unconventional engine design, few exceed the Wankel rotary in terms of weirdness. Despite that, ...

Click to open image viewer. This somewhat unique artifact is an air-cooled, two-stroke cycle rotary aircraft engine designed and built by Paul Daniel of the Daniel Engine Company of Bound Brook, New ...

The Wankel rotary engine offers one of the most unique sounds of any ICE. Most famously used in various legendary Mazdas like the RX-7 and the supposedly banned Le ...

Developing a gasoline-powered rotary engine was a dream for Felix Wankel, and we mean that literally. Some steam engines worked on the same basic principle as far back as the 18th century, but the ...

Removing an 800-HP rotary engine is supposed to feel like progress, not panic. The moment it came out, a hidden problem ...

The rotary was the most radical rethink of the combustion engine in over a hundred years — and it paid the price for being different. Mazda introduced the innovative Wankel rotary engine in the 1967 ...

When it comes to unconventional engine design, few exceed the Wankel rotary in terms of weirdness. Despite that, the same basic principles of internal combustion apply here: Fuel and air are mixed and ...