Revving the OS FT 120

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Uploaded by on Feb 8, 2010

My mighty model engine OS FT120 placed in the Piper PA 25 Pawnee being revved a bit to demonstrate its sound and agility.
There are two seperate standard single-cylinder mufflers and a pressure tank system installed. The prop is a Graupner Nylon 14x7" three-blade which reaches 8500 RPM.

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Autos & Vehicles

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Standard YouTube License

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