Rotor blade test apparatus

Details Rotor blade test apparatus Rotor blade test apparatus

1985-05-24

1986-08-12

Levy, Stewart J.

Measuring and testing

Vibration

Resonance, frequency, or amplitude study

73584, G01H 308, G01H 1300

Patent

active

046048960

ABSTRACT:
A rotor blade test apparatus having a striking solenoid to strike a rotor blade to generate an audio signal. A microphone receives the audio signal and applies it to a spectrum analyzer wherein the predominant natural frequencies of the rotor blade are determined.

REFERENCES:
patent: 2876638 (1959-03-01), Diamond
patent: 3097523 (1963-07-01), Diamond et al.
patent: 3580056 (1971-05-01), Warner
patent: 3623358 (1971-11-01), Sugimoto
patent: 4342229 (1982-08-01), Massa
patent: 4358882 (1982-11-01), Wilkinson
patent: 4389891 (1983-06-01), Fournier

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