If you look at aircraft from the Second World War or ... That's because a radial engine is air-cooled, meaning it doesn't need the water coolant hoses and tanks that other engine types (like ...

This is the Oaxaca PE-210A Pegasus, and it might not be the most impressive aircraft on first impressions. But it's the first ...

The legendary B-17 bomber was so much more than just a means for dropping bombs on Nazi Germany during the Second World War.

The Navy was keenly aware of the liquid–versus–air-cooled controversy and even more sharply focused on reducing the size and weight of all its aircraft. Radial engines lacked all the plumbing ...

Below, Taylor guides you through a tour of this pioneering aircraft, giving you a detailed ... early airplanes carried very lightweight air-cooled engines. They wanted a lightweight engine because ...

With massive 16.5-foot-diameter wooden propellers driven by two 80-horsepower Continental A-80 air-cooled engines ... propellers were so large that the aircraft rested at a 22-degree-upward ...