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Method of displaying detected information about a rotating mass

  • US 4,887,087 A
  • Filed: 03/14/1983
  • Issued: 12/12/1989
  • Est. Priority Date: 03/16/1982
  • Status: Expired due to Fees
First Claim
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1. A method of testing a helicopter rotor having blades, comprising the steps of receiving a signal from each of the rotating blades during each rotation of the rotor indicative of the angular position and height of the blade tip during that revolution while the helicopter is in flight, converting the indicative signals into electronic data, and storing the electronic data in a memory of a computer on board the helicopter and displaying pictorially the blade positions both in the helicopter and subsequently.

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