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Pratt and Whitney J57 with a Greatex Nozzle in the Altitude Wind Tunnel
Public domain

Pratt and Whitney J57 with a Greatex Nozzle in the Altitude Wind Tunnel

NASA / GRC · 1957-02-23 · photograph (digital archive)

From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.

About this work

A Pratt and Whitney J57 engine is tested with a Greatex No.1 nozzle in the Altitude Wind Tunnel at the National Advisory Committee for Aeronautics (NACA) Lewis Flight Propulsion Laboratory. At the time the aircraft industry was preparing to introduce jet airliners to the nation’s airways. The noise produced by the large jet engines, however, posed a considerable problem for communities near airports.

NASA Image and Video Library’s own description
Credit linePratt and Whitney J57 with a Greatex Nozzle in the Altitude Wind Tunnel. NASA/GRC, 1957-02-23. Public domain. ID: GRC-1957-C-44227.
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