AC 35.37-1B

Advisory circular · Propeller Fatigue Limits and Evaluation

Approved: March 24, 2011
Last reviewed: March 22, 2017
Cancels: AC35.37-1A
Family: AC 35.37-1 · 4 versions
Revision: B
14 CFR parts: 35
14 CFR sections: § 35.37

Guidance, not mandatory unless a rule or AD requires it. DRS record last changed October 23, 2026.

Appendix Figure 7

HUB AND BLADE RETENTION TEST RIG Propeller Shaft Adapter Stub Blade Centrifugal Load Vibratory Bending Load Steady Bending Load 3 2 4 1 Hub Mounting Base Notes:

Loads are applied to each blade stub Vibratory bending is simple harmonic loading and 90 degrees out of phase from blade stub to blade stub Steady bending is maintained at all times Centrifugal loading is maintained at all times A-5

AC 35.37-1B

Versions of AC 35.37-1

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