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Description of the US Army small-scale 2-meter rotor test systemA small-scale powered rotor model was designed for use as a research tool in the exploratory testing of rotors and helicopter models. The model, which consists of a 29 hp rotor drive system, a four-blade fully articulated rotor, and a fuselage, was designed to be simple to operate and maintain in wind tunnels of moderate size and complexity. Two six-component strain-gauge balances are used to provide independent measurement of the rotor and fuselage aerodynamic loads. Commercially available standardized hardware and equipment were used to the maximum extent possible, and specialized parts were designed so that they could be fabricated by normal methods without using highly specialized tooling. The model was used in a hover test of three rotors having different planforms and in a forward flight investigation of a 21-percent-scale model of a U.S. Army scout helicopter equipped with a mast-mounted sight.
Document ID
19870008231
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Phelps, Arthur E., III (NASA Langley Research Center Hampton, VA, United States)
Berry, John D. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 5, 2013
Publication Date
February 1, 1987
Subject Category
Aerodynamics
Report/Patent Number
AD-A178047
NASA-TM-87762
L-16165
AVSCOM-TM-86-B-4
NAS 1.15:87762
Accession Number
87N17664
Funding Number(s)
PROJECT: DA PROJ. 1L1-61102-AH-45
PROJECT: RTOP 505-61-51-10
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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