Code of Federal Regulations

Title 14 - Aeronautics and Space
Volume: 1Date: 2021-01-01Original Date: 2021-01-01Title: Section § 35.41 - Overspeed and overtorque.Context: Title 14 - Aeronautics and Space. CHAPTER I - FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION. SUBCHAPTER C - AIRCRAFT. PART 35 - AIRWORTHINESS STANDARDS: PROPELLERS. Subpart C - Tests and Inspections.
§ 35.41 Overspeed and overtorque. (a) When the applicant seeks approval of a transient maximum propeller overspeed, the applicant must demonstrate that the propeller is capable of further operation without maintenance action at the maximum propeller overspeed condition. This may be accomplished by: (1) Performance of 20 runs, each of 30 seconds duration, at the maximum propeller overspeed condition; or (2) Analysis based on test or service experience. (b) When the applicant seeks approval of a transient maximum propeller overtorque, the applicant must demonstrate that the propeller is capable of further operation without maintenance action at the maximum propeller overtorque condition. This may be accomplished by:
Code of Federal Regulations / Title 14 - Aeronautics and Space / Vol. 1 / 2021-01-01762
(1) Performance of 20 runs, each of 30 seconds duration, at the maximum propeller overtorque condition; or (2) Analysis based on test or service experience. [Amdt. 35-8, 73 FR 63349, Oct. 24, 2008]