If you look at aircraft from the Second World War or ... That's because a radial engine is air-cooled, meaning it doesn't ...

12 Major Motorcycle Brands Ranked Worst To Best Many classic aircraft were air-cooled as airflow is naturally abundant while flying in the sky. However, just exposing the engine to outside air ...

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 ...

For decades, the massively popular Volkswagen Type-1 Beetle and the Type-2 VW Microbus or Transporter were powered by a unique air-cooled boxer engine. The Volkswagen air-cooled engine is ...

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 ...