Title: Tethered model aircraft control system

Abstract: A three-wire control system for a tethered engine-powered model aircraft. The system features a special linkage arrangement which assures evenly distributed tension in all of the control lines under all operating circumstances. The system further features a construction which, through using a special organization of multiple pivot connections, greatly minimizes friction between moving parts, and promotes exceptionally smooth precision control of such an aircraft.

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Inventors: St. Clair, Oba L. (Eugene, OR, US)

Application Number: 790187
Filing Date: 1977-04-25
Publication_date: 1979-07-31
Assignee:
Primary Class(es): 446/31 74/469
Other Classes:
US Patent Ref:

2341478	Feb, 1944	Rappl	74/469.
2543965	Mar, 1951	Hamilton	46/77.
2570586	Oct, 1951	Nix	46/469.
3882632	May, 1975	Quinzer	74/501.

Other Refs:
Primary Examiner: Shay, F. Barry
Assistant Examiner:
Attorney: Kolisch, Hartwell, Dickinson & Stuart