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Nacelle Design for Grumman Design 698 V/STOL
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English
Abstract
Grumman's Design 698 V/STOL is configured to perform multi-mission military roles, including ASW, AEW and Missileer. The aircraft employs a unique V/STOL design, which places all control for hover and transition in the twin turbofan nacelles. This paper presents design and development of the aircraft propulsion system, covering a span of seven years. Initial developmental testing concentrated on two of the key components of the nacelle, the inlet and the control vane assembly. Isolated testing was used to establish baseline designs which eventually were adapted to a TF34 engine for a full scale powered model test of a proposed manned flight demonstrator at the Ames Research Center. During this test, the nacelle design was proven over a range of hover and transition operating conditions. Also included in this paper are discussions of the continued design efforts at Grumman to optimize the demonstrator configuration.
Authors
Citation
Lehman, E. and Crafa, V., "Nacelle Design for Grumman Design 698 V/STOL," SAE Technical Paper 831492, 1983, https://doi.org/10.4271/831492.Also In
References
- Kress, R.W. Surface Combatant Fleet Offensive/Defensive Enhancement by High Performance Turbofan VTOL Aircraft AIAA-80-1811 August 1980
- Potonides, H.C. Cea, R.A. Nelson, T.F. Design and Experimental Studies of a Type A V/STOL Inlet AIAA-78-956R August 1979
- Potonides, H.C. Development of an Inlet for a Tilt Nacelle Subsonic V/STOL Aircraft ASME78-GT-121 April 1979
- Johns, A.L. Williams, R.C. Potonides, H.C. Performance of a V/STOL Tilt Nacelle Inlet with Blowing Boundary Layer Control AIAA-79-1163 June 1979
- Kalemaris, S.G. Rice, R.T. Tests Indicate a Twin Turbofan V/STOL Aircraft is Practical International Civil Aviation Organization Bulletin 37 2 February 1982