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Old February 3rd 04, 11:35 PM
Lincoln Brown
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Default World War Two Era U.S. Radial Engines (Curtiss and Pratt&Whitney)

Okay, online flightsim question time.

Did the Curtiss or P&W Radial engines rotate on a mount and spin the
propellor like their WWI predecessors or were they fixed and drove a
propellor shaft?

I've seen WWI Era fighters with the engine exposed and the cylinders spin,
but
all the WWII aircraft the engine is mostly enclosed in a cowl and not
clearly visible if the cylinders are rotating as well.

Additionally, what effect if any would flying inverted for an extended
period have on a radial engine.