14 C.F.R. § 27.659 – Mass balance. | Midpage

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Code of Federal Regulations

ECFR51ccac6ddf5b155

§ 27.659

14 C.F.R. § 27.659

Mass balance.

Published Jan 26, 196833 FR 963

(a) The rotors and blades must be mass balanced as necessary to—
1. (1) Prevent excessive vibration; and
2. (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. 27-2, 33 FR 963, Jan. 26, 1968]