Rolls-Royce Merlin Mk621 Prop Reduction Gear Sound @FlightEngineering1
Rolls-Royce Merlin Mk621 Prop Reduction Gear Sound @FlightEngineering1
Uploaded February 2014 | Updated September 2026, 1 day ago
Rolls-Royce Merlin Mk621, Ex Avro Tudor. Running between 900 and 2300 RPM on test.
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Rolls-Royce Merlin Mk621 Prop Reduction Gear Sound

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