Measuring and testing – Wind tunnel: aerodynamic wing and propeller study
Patent
1990-09-18
1991-10-15
Woodiel, Donald O.
Measuring and testing
Wind tunnel: aerodynamic wing and propeller study
7386204, 7386265, G01L 516, G01M 900
Patent
active
050563610
ABSTRACT:
A dual strain gage balance system for measuring normal and axial forces and pitching moment of a metric airfoil model imparted by aerodynamic loads applied to the airfoil model during wind tunnel testing includes a pair of non-metric panels being rigidly connected to and extending towards each other from opposite sides of the wind tunnel, and a pair of strain gage balances, each connected to one of the non-metric panels and to one of the opposite ends of the metric airfoil model for mounting the metric airfoil model between the pair of non-metric panels. Each strain gage balance has a first measuring section for mounting a first strain gage bridge for measuring normal force and pitching moment and a second measuring section for mounting a second strain gage bridge for measuring axial force.
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Adams Harold W.
Osborne Kevin B.
The United States of America as represented by the Administrator
Woodiel Donald O.
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