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1988 Press Photo Acoustic testing on DC-9 aircraft fuselage - spa34234

$12.33
AdID: 3250781

Availability: In stock

Part Number: spa34234

Source: Spokane

Details

This is an original press photo. Acoustic testing on an actual DC-9 aircraft fuselage is part of McDonnell Douglas - Ultra High Bypass (UHB) technology readiness program. Engineers inspect the aft section of the fuselage in a new anechoic chamber at McDonnell Douglas in Long Beach, Calif. UHB noise simulated by 50 speakers (background) originally used in the 1984 Olympics Games bombard the aircraft with noise. The fuselage underwent acoustic and vibration testing.Photo measures 10 x 8inches. Photo is dated 04-06-1988.