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 ...

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 ...

During World War II the radial engine was popular, and it was used in many fighter and bomber aircraft. Manufacturers in aviation used them because the engines deliver a ton of power for their size, ...

Bore and Stroke: 156 mm (6.125 in.) x 174 mm (6.875 in.) The Wright Cyclone series began in 1924 with a U.S. Navy contract for a nine-cylinder air-cooled radial engine having approximately the same ...