NDLI: Flight tests of a radio-controlled airplane mode with a free-wing, free-canard configuration

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Flight tests of a radio-controlled airplane mode with a free-wing, free-canard configuration

Content Provider	NASA Technical Reports Server (NTRS)
Author	Gee, S. W.
Copyright Year	1978
Description	Flight characteristics, controllability, and potential operating problems were investigated in a radio-controlled airplane model in which the wing is so attached to the fuselage that it is free to pivot about a spanwise axis forward of its aerodynamic center and is subject only to aerodynamic pitching moments imposed by lift and drag forces and a control surface. A simple technique of flying the test vehicle in formation with a pickup truck was used to obtain trim data. The test vehicle was flown through a series of maneuvers designed to permit evaluation of certain characteristics by observation. The free-wing free-canard concept was determined to be workable. Stall/spin characteristics were considered to be excellent, and no effect on longitudinal stability was observed when center of gravity changes were made. Several problems were encountered during the early stages of flight testing, such as aerodynamic lockup of the free canard and excessive control sensitivity. Lack of onboard instrumentation precluded any conclusions about gust alleviation or ride qualities.
File Size	606126
Page Count	13
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19780010099
Archival Resource Key	ark:/13960/t6wx26477
Language	English
Publisher Date	1978-01-01
Access Restriction	Open
Subject Keyword	Aircraft Design, Testing And Performance Aircraft Models Flight Tests Flight Characteristics Wings Body-wing Configurations Canard Configurations Controllability Aerodynamic Stalling Radio Control Aircraft Control 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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