Wednesday, November 26, 2014

WW2 training film about the superchargers that allowed for high altitude flying with B17 and B24

GE first tested them on airplane engines in 1914 when they mounted one on a Liberty piston engine and ran it at the top of Pikes Peak, 14,000ft above sea level to measure the loss of power due to thin air at elevation/altitude.

 The Liberty made 400hp on the ground and 285hp at the top of Pikes peak, but with the supercharger, it made 410hp at the top of the mountain!

Found on

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