Public domain
Tandem Dual Ducted Fan V/STOL Model in Ames 40x80 foot Wind Tunnel.
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
About this work
3/4 front view from below, showing Pods and Fan Rotating. March A. Zeiger standing in front.
NASA Image and Video Library’s own descriptionCredit lineTandem Dual Ducted Fan V/STOL Model in Ames 40x80 foot Wind Tunnel.. NASA/ARC, 1964-10-29. Public domain. ID: AC-33526.