Boeing, Rolls-Royce Verify Jet Noise Reductions
SEATTLE, Nov. 20, 2001 -- The Boeing and Rolls-Royce flight test program used a modified Trent 800 engine on a 777-200ER to verify takeoff jet noise reductions of four decibels. Saw-tooth-shaped devices are added to the rear of the nacelle and on the exhaust nozzle.
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Photo Credit: Boeing
Neg #: K61667
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