4.5-Foot Flutter Tunnel
(L-46666): This photo shows the 4.5-Foot Flutter Tunnel test section attached to an overhead hoist for removal. Two interchangeable test sections were available; allowing tests to be run in one while a different model was being installed in the other. Note the multiple observation ports and clamps to ease removal and installation.
Credit: NASA
Image Number: L-46666
Date: Circa 1946
4.5-Foot Flutter Tunnel
(L-46666): This photo shows the 4.5-Foot Flutter Tunnel test section attached to an overhead hoist for removal. Two interchangeable test sections were available; allowing tests to be run in one while a different model was being installed in the other. Note the multiple observation ports and clamps to ease removal and installation.
Credit: NASA
Image Number: L-46666
Date: Circa 1946