Failure of the Throttle Front End Fitting of HT-2 Aircraft

Raghuram, AC and Radhakrishnan, S and Krishnan, RV and Ramachandran, V (1985) Failure of the Throttle Front End Fitting of HT-2 Aircraft. Project Report. National Aerospace Laboratories, Bangalore.

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Abstract

A HT-2 aircraft force landed as the engine did not respond to the throttle movement. From the wreckage, the tube assembly of the throttle front end fitting was recovered in a broken condition. It has a steel tube with two steel end fittings fixed to the tube with two steel rivets at right angle to each other. The end fitting stud inserted into the tube had fractured. The rivet holes through the stud were unsymmetrical. The failure had occurred due to non-centering of the rivet holes and insufficient distance between the two rivets which were overlapping.

Item Type:	Proj.Doc/Technical Report (Project Report)
Uncontrolled Keywords:	Stabiliser spar tube;Helicopter;Weld penetration;Fatigue failure
Subjects:	CHEMISTRY AND MATERIALS > Chemistry and Materials (General)
Division/Department:	Materials Science Division, Materials Science Division , Materials Science Division, Materials Science Division
Depositing User:	Smt Bhagya Rekha KA
Date Deposited:	24 Sep 2012 11:47
Last Modified:	24 Sep 2012 11:47
URI:	http://nal-ir.nal.res.in/id/eprint/10900

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