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Vertol VZ-2

Vertol, Canadair, and Fairchild all built tilt-wing prototypes, the Vertol Model 76 and VZ-2 flying first in 1957 followed by the much larger Hiller X-18 and Fairchild/Vought/Hiller XC-142A in 1959. Canadair built its CL-84 in 1965. All prototypes proved the efficacy of tilt-wings but none were carried into production.

The Vertol Model 76 and its Successor, the VZ-2, were the first Tilt-Wing demonstrators. The small VZ-2 demonstrator of 1957 may be of sufficient size for some personal air vehicles [PAVs]. The program was funded by the Army Transportation Corps and the aircraft was built under the cognizance of the Office of Naval Research. It was a 3,200 pound TOGW aircraft using one Lycoming T53 turboshaft to drive two 3-blade propellers and two tail fans. It was tested at NASA/Langley Research Center in the late '50s with disappointing results. The wing exhibited stall problems at 25 to 30 incidence which were aggravated during partial power descents. It also exhibited poor ground effect interactions at altitudes below 15 feet.



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Page last modified: 30-03-2012 18:45:23 ZULU