The aircraft was undergoing rotor dynamic stability tests. The 2-blade stiff in-plane rotor was introduced to alleviate the rotor instability issues apparent with the original 3-blade, articulated hub design. Some instrumentation wiring is apparent in the image.

Image courtesy of NASA (NASA image reference: ARC-1966-A-37006-12)
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Bell XV-3 rotor hub (final version)

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The aircraft was undergoing rotor dynamic stability tests. The 2-blade stiff in-plane rotor was introduced to alleviate the rotor instability issues apparent with the original 3-blade, articulated hub design. Some instrumentation wiring is apparent in the image.

Image courtesy of NASA (NASA image reference: ARC-1966-A-37006-12)

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Added to NASA images and categorized in 10 months ago

 

License: United States government work

 

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