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 ...

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, ...

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 ...