3/4 lower rear view of Controllable Twist Rotor (CTR) test of 4 blade helicopter model. Pictures with Ben Mandwyler Andy Lemnios, in 40x80 foot wind tunnel. Small flaps on rotor blades.
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Details
Title: Controllable Twist Rotor in 40x80 Foot Wind Tunnel at Ames.
Creator: Melliar Ritchie, Don Richey
Date Created: 1975-07-18
Location: Ames Research Center
Rights: ARC
Album: drichey
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