Mass balance.

  1. Law
  2. CFR 14
  3. Aeronautics and Space
  4. Federal Aviation Administration, Department of Transportation
  5. Aircraft
  6. Airworthiness Standards: Transport Category Rotorcraft
  7. Design and Construction
  8. Rotors
  9. Mass balance.

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§ 29.659 Mass balance.

(a) The rotor and blades must be mass balanced as necessary to -

(1) Prevent excessive vibration; and

(2) Prevent flutter at any speed up to the maximum forward speed.

(b) The structural integrity of the mass balance installation must be substantiated.

[Amdt. 29-3, 33 FR 967, Jan. 26, 1968]


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