Abstract
This paper proposes a new two-component sensor balance to measure the thrust and torque of the propeller. Its principles of measuring force were derived and the procedures of balance measuring system were also provided according to the virtual instruments. The sensor balance was calibrated through the ground static calibration bench to verify its accuracy. And a ground static thrust experiment on a one-meter sized propeller model was carried out. By comparison, the experimental results of adopting the designed sensor balance basically tally with those of wind tunnel experiment, which proves that this sensor balance can be used in propeller experiments.
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