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Effects of Control-Response Characteristics on the Capability of Helicopter for Use as a Gun PlatformAn investigation with a variable-stability helicopter was undertaken to ascertain the steadiness and ability to "hold on" to the target of a helicopter employed as a gun platform. Simulated tasks were per formed under differing flight conditions with the control-response characteristics of the helicopter varied for each task. The simulated gun-platform mission included: Variations of headings with respect to wind, constant altitude and "swing around" to a wind heading of 0 deg, and increases in altitude while performing a swing around to a wind heading of 0 deg. The results showed that increases in control power and damping increased pilot ability to hold on to the target with fewer yawing oscillations and in a shorter time. The results also indicated that wind direction must be considered in accuracy assessment. Greatest accuracy throughout these tests was achieved by aiming upwind.
Document ID
19980227351
Acquisition Source
Headquarters
Document Type
Other - NASA Technical Note (TN)
Authors
Pegg, Robert J. (NASA Langley Research Center Hampton, VA United States)
Connor, Andrew B. (NASA Langley Research Center Hampton, VA United States)
Date Acquired
September 6, 2013
Publication Date
September 1, 1960
Subject Category
Aircraft Stability And Control
Report/Patent Number
NASA-TN-D-464
L-796
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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