[Code of Federal Regulations]

[Title 14, Volume 1]

[Revised as of January 1, 2006]

From the U.S. Government Printing Office via GPO Access

[CITE: 14CFR27.361]



[Page 578-579]

 

                     TITLE 14--AERONAUTICS AND SPACE

 

CHAPTER I--FEDERAL AVIATION ADMINISTRATION, DEPARTMENT OF TRANSPORTATION

 

PART 27_AIRWORTHINESS STANDARDS: NORMAL CATEGORY ROTORCRAFT--Table 

of Contents

 

                     Subpart C_Strength Requirements

 

Sec. 27.361  Engine torque.



    (a) For turbine engines, the limit torque may not be less than the 

highest of--

    (1) The mean torque for maximum continuous power multiplied by 1.25;

    (2) The torque required by Sec. 27.923;

    (3) The torque required by Sec. 27.927; or

    (4) The torque imposed by sudden engine stoppage due to malfunction 

or structural failure (such as compressor jamming).



[[Page 579]]



    (b) For reciprocating engines, the limit torque may not be less than 

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. 27-23, 53 FR 34210, Sept. 2, 1988]



                    Control Surface and System Loads