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Computer programs for the calculation of dual sting pitch and roll angles required for an articulated sting to obtain angles of attack and sideslip on wind-tunnel modelsTwo programs were developed to calculate the pitch and roll position of the conventional sting drive and the pitch of a high angle articulated sting to position a wind tunnel model at the desired angle of attack and sideslip and position the model as near as possible to the centerline of the tunnel. These programs account for the effects of sting offset angles, sting bending angles, and wind-tunnel stream flow angles. In addition, the second program incorporates inputs form on-board accelerometers that measure model pitch and roll with respect to gravity. The programs are presented and a description of the numerical operation of the programs with a definition of the variables used in the programs is given.
Document ID
19920002789
Acquisition Source
Legacy CDMS
Document Type
Technical Memorandum (TM)
Authors
Peterson, John B., Jr. (NASA Langley Research Center Hampton, VA, United States)
Date Acquired
September 6, 2013
Publication Date
October 1, 1991
Subject Category
Research And Support Facilities (Air)
Report/Patent Number
NAS 1.15:104161
NASA-TM-104161
Accession Number
92N12007
Funding Number(s)
PROJECT: RTOP 505-59-54-01
Distribution Limits
Public
Copyright
Work of the US Gov. Public Use Permitted.

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