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Hercules 54x39 Propeller As new condition

I asked Hercules to make this for my Aerovee powered Sonex as an experiment to see how much a finer pitch prop would change the rate of climb and cruise speed of the aircraft. The answer was "not much". The LAA approved the change. The aircraft has now been sold. The new owner was satisfied with the original prop and didn't want a spare. This Hercules prop is beautiful