NDLI: A static investigation of the thrust vectoring system of the f/a-18 high-alpha research vehicle

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A static investigation of the thrust vectoring system of the f/a-18 high-alpha research vehicle

Content Provider	NASA Technical Reports Server (NTRS)
Author	Mason, Mary L. Asbury, Scott C. Capone, Francis J.
Copyright Year	1992
Description	A static (wind-off) test was conducted in the static test facility of the Langley 16-foot Transonic Tunnel to evaluate the vectoring capability and isolated nozzle performance of the proposed thrust vectoring system of the F/A-18 high alpha research vehicle (HARV). The thrust vectoring system consisted of three asymmetrically spaced vanes installed externally on a single test nozzle. Two nozzle configurations were tested: A maximum afterburner-power nozzle and a military-power nozzle. Vane size and vane actuation geometry were investigated, and an extensive matrix of vane deflection angles was tested. The nozzle pressure ratios ranged from two to six. The results indicate that the three vane system can successfully generate multiaxis (pitch and yaw) thrust vectoring. However, large resultant vector angles incurred large thrust losses. Resultant vector angles were always lower than the vane deflection angles. The maximum thrust vectoring angles achieved for the military-power nozzle were larger than the angles achieved for the maximum afterburner-power nozzle.
File Size	4879205
Page Count	170
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19920016724
Archival Resource Key	ark:/13960/t88h3j81g
Language	English
Publisher Date	1992-06-01
Access Restriction	Open
Subject Keyword	Aerodynamics Transonic Wind Tunnels Research Vehicles F-18 Aircraft Effects Nozzle Efficiency Static Tests Nozzle Geometry Jet Vanes Thrust Vector Control Wind Tunnel Tests Nozzles Pressure Ratio Afterburning Static Thrust Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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