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Emergency Control for a Circulation-Control Helicopter RotorDigital system gives pilot partial command when primary system fails. Emergency system provides digital control of rigid circulation-control rotor for experimental X-wing aircraft. In addition to centering collective-pitch control, new command provides limited roll control via collective pitch and gyroscopic decoupling in pitch and aerodynamic decoupling.
Document ID
19870000295
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Tech Brief
Authors
Fischer, William C. (United Technologies Corp.)
Arifian, Kenneth C. (United Technologies Corp.)
Lawrence, Tom H. (United Technologies Corp.)
Date Acquired
August 13, 2013
Publication Date
June 1, 1987
Publication Information
Publication: NASA Tech Briefs
Volume: 11
Issue: 6
ISSN: 0145-319X
Subject Category
Machinery
Report/Patent Number
ARC-11605
ISSN: 0145-319X
Report Number: ARC-11605
Accession Number
87B10295
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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