Tests of first experimental VTOL aircraft using tiltable wings and propellers indicated that practical operational aircraft are possible operating with high efficiencies; study of various VTOL aircraft configurations operating at low radius of action indicates that tilt wing/tilt propeller type are most cost-effective as long as speed is important parameter in operating mission; there are missions where speed is of secondary importance, and therefore, helicopter will continue to be one of most effective VTOL for these missions. (50112)
Review of V/STOL aircraft with tilt-propellers and tilt-rotors
Aeron J
Aeronautical Journal ; 72 , n 693
1968
14 pages
Article (Journal)
English
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