John Levey had what might be called a radical radial idea. Radial as in old-time airplane engines. When he attended airplane mechanic school in 1989 and first worked on a radial engine, Levey thought, ...

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 ...