Positioning system for wind tunnel and method of use
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United States of America Patent
Stats
-
Nov 8, 2005
Grant Date -
Dec 16, 2004
app pub date -
Nov 13, 2003
filing date -
Nov 13, 2002
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
A positioning system is provided for use in a wind tunnel that results in accurate and dynamic orientation for a model while reducing aerodynamic interference. The system includes a pitch-yaw sleeve having a generally cylindrical shape and a torque tube disposed askew within the sleeve and rotatable about its longitudinal axis to drive a shaft. The shaft is generally elongated and crooked. The sting, to which a model is affixed, is rotatably attached to a distal end of the shaft. Rotation of the pitch-yaw tube and/or the pitch-yaw sleeve provides precise pitch and yaw orientation of the model, and rotation of the sting relative to the shaft provides precise roll orientation.
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