Title 14 - Aeronautics and Space

Volume: 1Date: 2024-01-01Original Date: 2024-01-01Title: Section 29.361 - Engine torque.Context:
Title 14 - Aeronautics and Space. CHAPTER I - FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION. SUBCHAPTER C - AIRCRAFT. PART 29 - AIRWORTHINESS STANDARDS: TRANSPORT CATEGORY ROTORCRAFT. Subpart C - Strength Requirements. - Flight Loads.

§ 29.361
Engine torque.
The limit engine torque may not be less than the following:
(a) For turbine engines, the highest of—
(1) The mean torque for maximum continuous power multiplied by 1.25;
(2) The torque required by § 29.923;
(3) The torque required by § 29.927; or
(4) The torque imposed by sudden engine stoppage due to malfunction or structural failure (such as compressor jamming).
(b) For reciprocating engines, the mean torque for maximum continuous power multiplied by—
(1) 1.33, for engines with five or more cylinders; and
(2) Two, three, and four, for engines with four, three, and two cylinders, respectively.
[Amdt. 29-26, 53 FR 34215, Sept. 2, 1988]

Control Surface and System Loads