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Starting a Pratt & Whitney 985 part 2 (preliminary start up with blow out plugs

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Uploaded by on Oct 3, 2009

Preliminary start up of a Pratt & Whitney R985 that has been sitting all winter. Blow out plugs used to help eliminate a hydraulic lock due to oil in the intake system. Aircraft is a 1941 Stearman.

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  • Fascinating videos, thank you for posting these.

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