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TESTING METHOD AND APPARATUS FOR SIMULATING ACCELERATION FUNCTIONS

  • US 3,845,665 A
  • Filed: 11/09/1973
  • Issued: 11/05/1974
  • Est. Priority Date: 04/25/1972
  • Status: Expired due to Term
First Claim
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1. A testing method for simulating on a test piece acceleration environments characterized by the rapid turn on and off of a plurality of acceleration pulses which comprises:

  • mounting said test piece in a test fixture so that its normal flight axis is perpendicular to the direction of travel of said fixture;

    propelling said fixture along a first linear path from a stationary position to a predetermined speed at the end of said path;

    guiding said fixture having said speed into an arcuate path;

    maintaining the speed of said test piece constant while said test piece is in said arcuate path so that said test piece has a constant radial acceleration;

    guiding said test piece along a second linear path which forms a continuation of said arcuate path;

    synchronizing the speed of said test piece with said predetermined speed at the ends of said first and second linear paths;

    guiding said test piece into a circular helical path;

    maintaining the speed of said test piece constant while said test piece is in said helical path for a number of revolutions depending upon a duration of constant radial acceleration simulation desired.

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