STUDY ON THE FEASIBILITY OF V/STOL CONCEPTS FOR SHORT-HAUL TRANSPORT AIRCRAFT

The technical feasibility of many V/STOL concepts has been proven by wind tunnel tests and flying prototypes. With this proven technical capability and in anticipation of projected population movements, it is now considered appropriate to study the applicability of V/STOL airplanes to short-haul transport requirements. A feasibility study has been performed in which eighteen air- planes have been developed around three V/STOL propulsion concepts, four V/STOL operational capabilities and three passenger-load capabilities. Each of the airplanes developed has been optimized to give a near minimum direct operating cost on the design stage length of 500 miles within the constraints of its selected V/STOL propulsion system, V/STOL operational capability and passenger-load capability. This study has found the turboprop V/STOL airplanes to have only modest cruise speed capabilities, relatively low direct operating costs, and comparatively light weights; and there are considerable data to guide the designer of turboprop V/STOL aircraft. The fan - in - wing V/STOL airplanes have a relatively high cruise speed, high direct operating costs, and high propulsion system plus fuel weights and hence gross weights; there are considerable data available to the designer of fan- in-wing airplanes though not as voluminous or complete as for the turbo- prop. The propulsive wing V/STOL airplanes havehigh subsonic cruise speed capabilities, low direct operating costs and relatively light weights; but there are only limited data to guide the designer of such aircraft.

  • Corporate Authors:

    National Aeronautics and Space Administration

    400 Maryland Avenue, SW
    Washington, DC  USA  20546
  • Authors:
    • Marsh, K R
  • Publication Date: 0

Subject/Index Terms

Filing Info

  • Accession Number: 00073133
  • Record Type: Publication
  • Source Agency: FLIGHT TRANSPORTATION LABORATORY, MIT DEPT. OF AERONAUTICS AND ASTRONAUTICS
  • Report/Paper Numbers: CR-670
  • Files: TRIS
  • Created Date: Sep 5 1974 12:00AM