894. V/STOL Airplanes With Vectored Thrust Propulsion Systems
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Paper
Abstract
This paper is based on the Harrier airplane designed and produced be Hawker Siddeley Aviation Ltd. and which uses the Rolls Royce Pegasus engine.
Some basic V/STOL propulsion systems are compared with the vectored thrust concept to establish a basis for selecting vectored thrust. Special design considerations of V/STOL airplanes, with respect to weight and balance, typified by the vectored thrust design are examined. V/STOL airplanes have their own special design considerations because of their high sensitivity with respect to performance of weight and center of gravity – lift – thrust relationship. This paper considers the competitive stature of the vectored thrust V/STOL with a conventional takeoff and landing aircraft with short field capability, on a common basis i.e., when designed to a common set of ground rules.
V/STOL vectored thrust airplanes are competitive in the Close Air Support role. The lower the takeoff and landing distance becomes, the greater is their competiveness.
