Design details of X-18 tiltwing `propelloplane', developed by Hiller; it is shown that propelloplane is superior to helicopter for hovering durations less than 10 min, and is competitive for hovering durations up to perhaps 1/2 hr; X-18 wing rotates at 35% of chord line; vertical takeoff effected at 87° wing-tilt; details of fuselage, hydraulic control system and flight control systems; two Allison YT40-A-14 turbo-propeller engines driving dual 16-ftdiam Curtiss turboelectric propellers.
VTOL transport -- Design selection
Aircraft Missiles
Aircraft and Missiles ; 3 , n 4
1960
4 pages
Article (Journal)
English
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Factors involved in selection of VTOL transport configuration
Engineering Index Backfile | 1961
|Importance of qualitative factors in VTOL transport selection
Engineering Index Backfile | 1959
|Factors Involved in Selection of VTOL Transport Configuration
SAE Technical Papers | 1961
|Factors involved in selection of VTOL transport configuration
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|