NDLI: Yf-17/aden system study

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Yf-17/aden system study

Content Provider	NASA Technical Reports Server (NTRS)
Author	Gowadia, N. S. Wooten, W. H. Bard, W. D.
Copyright Year	1979
Description	The YF-17 aircraft was evaluated as a candidate nonaxisymmetric nozzle flight demonstrator. Configuration design modifications, control system design, flight performance assessment, and program plan and cost we are summarized. Two aircraft configurations were studied. The first was modified as required to install only the augmented deflector exhaust nozzle (ADEN). The second one added a canard installation to take advantage of the full (up to 20 deg) nozzle vectoring capability. Results indicate that: (1) the program is feasible and can be accomplished at reasonable cost and low risk; (2) installation of ADEN increases the aircraft weight by 600 kg (1325 lb); (3) the control system can be modified to accomplish direct lift, pointing capability, variable static margin and deceleration modes of operation; (4) unvectored thrust-minus-drag is similar to the baseline YF-17; and (5) vectoring does not improve maneuvering performance. However, some potential benefits in direct lift, aircraft pointing, handling at low dynamic pressure and takeoff/landing ground roll are available. A 27 month program with 12 months of flight test is envisioned, with the cost estimated to be $15.9 million for the canard equipped aircraft and $13.2 million for the version without canard. The feasiblity of adding a thrust reverser to the YF-17/ADEN was investigated.
File Size	7462919
Page Count	158
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19790018955
Archival Resource Key	ark:/13960/t48q0tj8k
Language	English
Publisher Date	1979-07-01
Access Restriction	Open
Subject Keyword	Aircraft Design, Testing And Performance Flight Tests Aircraft Landing Canard Configurations Aircraft Performance Systems Analysis Takeoff Propulsion System Configurations Weight Mass Nozzle Design Airframes Project Planning Directional Control Cost Analysis Fighter Aircraft Dynamic Pressure Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Technical Report

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