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A method of automatically stabilizing helicopter sling loadsThe effect of geometric and aerodynamic characteristics on the stability of the lateral degrees of freedom of a typical helicopter sling load is examined. The feasibility of stabilizing the suspended load by controllable fins was also studied. Linear control theory was applied to the design of a simple control law that stabilized the load over a wide range of helicopter airspeeds.
Document ID
19740020393
Acquisition Source
Legacy CDMS
Document Type
Other - NASA Technical Note (TN)
Authors
Gera, J. (NASA Langley Research Center Hampton, VA, United States)
Farmer, S. W., Jr. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 3, 2013
Publication Date
July 1, 1974
Subject Category
Aircraft
Report/Patent Number
NASA-TN-D-7593
L-9371
Report Number: NASA-TN-D-7593
Report Number: L-9371
Accession Number
74N28506
Funding Number(s)
PROJECT: RTOP 760-63-04-03
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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