Five component strain gauge balance

Details Five component strain gauge balance Five component strain gauge balance

1977-04-04

1978-08-22

Ruehl, Charles A.

Measuring and testing

Wind tunnel: aerodynamic wing and propeller study

73133R, G01M 900, G01L 516

Patent

active

041079868

ABSTRACT:
A five-component strain gauge balance for measuring the forces and moments exerted on a reflection plane model aircraft in a subsonic continuous-duty or blow down wind tunnel. The balance beams are arranged in a diamond pattern so that the rolling moment reactions are concentrated in the side beams making the axial force, normal force and yawing moment felt by the forward and aft beams more accurately measurable. The entire balance is machined from a single piece of material, ensuring maximum repeatability of measurements. This design also simplifies fabrication and provides better access for gauging.

REFERENCES:
patent: 2582814 (1952-01-01), Beman et al.
patent: 3618376 (1971-11-01), Shull et al.

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