Positioning system for wind tunnel and method of use

Details Positioning system for wind tunnel and method of use Positioning system for wind tunnel and method of use

2005-11-08

2005-11-08

Oen, William (Department: 2855)

Measuring and testing

Wind tunnel: aerodynamic wing and propeller study

Reexamination Certificate

active

06962076

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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patent: 4658635 (1987-04-01), Pszolla et al.
patent: 4938058 (1990-07-01), Girard
patent: 5020364 (1991-06-01), Manitt et al.
patent: 2.159.548 (1971-11-01), None
patent: 767996 (1954-08-01), None
patent: 2000-131186 (1998-10-01), None

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