Arkivism
Tandem Dual Ducted Fan Mounted on Ground Plate in Ames 40x80 Foot Wind Tunnel.
Public domain

Tandem Dual Ducted Fan Mounted on Ground Plate in Ames 40x80 Foot Wind Tunnel.

NASA / ARC · 1961-03-09 · photograph (digital archive)

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

About this work

Tandem dual ducted fan mounted on ground plate. 3/4 rear view. Testing for recirculation decrease in performance of lift fans varies with ground effect.

NASA Image and Video Library’s own description
Subjects
Ducted FanAmesARC40x80ftWind TunnelAeronautics
Credit lineTandem Dual Ducted Fan Mounted on Ground Plate in Ames 40x80 Foot Wind Tunnel.. NASA/ARC, 1961-03-09. Public domain. ID: A-34114.
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