Public domain
Lockheed XH-51 Helicopter with Experimental Rigid Rotors in the 40x80 Foot Wind Tunnel at NASA Ames.
From the collection of NASA Image and Video Library. Free to download, adapt and use — no permission needed.
About this work
Lockheed XH-51 Experimental Rigid Rotors, no hinges, in Ames 40x80 foot wind tunnel. John McCloud (left sitting) Jack Rabbot (Right).
NASA Image and Video Library’s own descriptionCredit lineLockheed XH-51 Helicopter with Experimental Rigid Rotors in the 40x80 Foot Wind Tunnel at NASA Ames.. NASA/ARC, 1962-08-02. Public domain. ID: A-29604.
