Accession Number : ADD012523

Title :   Rotor Blade Test Apparatus.

Descriptive Note : Patent,

Corporate Author : DEPARTMENT OF THE AIR FORCE WASHINGTON DC

Personal Author(s) : Taschner,Edwin C ; Myzska,Edward M

Report Date : 12 Aug 1986

Pagination or Media Count : 5

Abstract : This patent discloses 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.

Descriptors :   *PATENTS, *SIGNAL GENERATORS, *TEST EQUIPMENT, ACOUSTIC SIGNALS, RESONANT FREQUENCY, ROTOR BLADES, MICROPHONES, SPECTRUM ANALYZERS, SOLENOIDS

Subject Categories : Test Facilities, Equipment and Methods

Distribution Statement : APPROVED FOR PUBLIC RELEASE