Counter Rotating Propeller Model in the NASA Glenn 8x6-Foot Supersonic Wind Tunnel

Laser based blade deflection measurement system on Counter Rotation Pusher Propeller model in 8x6 SWT (Supersonic Wind Tunnel)

Wide shot of 40x 80 wind tunnel settling chamber with Lockheed XFV-1 model. Project engineer Mark Kelly (not shown). Remote controlled model flown in the settling chamber of the 40x80 wind tunnel. Electric motors in the model, controlled the counter-rotating propellers to test vertical takeoff. Test no. 71

Lockheed XFV-1 model. Project engineer Mark Kelly (not shown). Remote controlled model flown in the settling chamber of the 40x80 wind tunnel. Electric motors in the model, controlled the counter-rotating propellers to test vertical takeoff. Test no. 71