Hydrofoil force balance

Details Hydrofoil force balance Hydrofoil force balance

1994-07-20

1996-05-07

Chilcot, Richard

Measuring and testing

Wind tunnel: aerodynamic wing and propeller study

73802, 7386171, G01L 516, G01M 900

Patent

active

055135269

ABSTRACT:
The present invention relates to measuring device for measuring a component f a force acting on a test body, such as a hydrofoil, positioned within a testing apparatus. The measuring device has a test body formed by a foil shaped center section and two adjacent end sections. Each end section is joined to the center section by a flexure member having sufficient stiffness so that there is negligible relative motion between the center section and the end sections as a fluid medium flows past the center section. At least one strain gauge is mounted to at least one flexure member to measure the forces acting on the center section. A method for measuring the load on a test body is also described.

REFERENCES:
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patent: 3460383 (1969-08-01), Padera
patent: 3552201 (1971-01-01), Horanoff
patent: 4019375 (1977-04-01), Ellis et al.
patent: 4534216 (1985-08-01), Fasano et al.
patent: 4682494 (1987-07-01), Reed
patent: 5056361 (1991-10-01), Roberts
patent: 5201218 (1993-04-01), Mole

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