Durability and Damage Tolerance Assessment of the TF34-100 Engine PUBLIC ACCESS

[+] Author Affiliations
Jon S. Ogg

Deputy for Propulsion, Wright-Patterson AFB, OH

Ronald R. Reinhold

General Electric Company, Lynn, MA

Paper No. 86-GT-38, pp. V002T02A006; 15 pages
  • ASME 1986 International Gas Turbine Conference and Exhibit
  • Volume 2: Aircraft Engine; Marine; Microturbines and Small Turbomachinery
  • Dusseldorf, West Germany, June 8–12, 1986
  • Conference Sponsors: International Gas Turbine Institute
  • ISBN: 978-0-7918-7929-0
  • Copyright © 1986 by ASME


The critical nature of the TF34-100 engine to the Air Force’s A-10 Close Air Support weapon system made it important to obtain the best possible visibility of the engine’s future structural maintenance needs and component life limits. Accordingly, an in-depth structural durability and damage tolerance assessment was performed on this engine by a joint Air Force/General Electric team.

Results of the assessment team’s unprecedented analysis efforts culminated in a comprehensive Structural Maintenance Plan that identified both current and future maintenance actions necessary for insuring maximum flight safety. The plan entailed component inspection and replacement intervals, inspection systems, preferred modifications/reworks, and a life growth plan for extending the useful life of the TF34-100 upwards to 8000 A-10 mission hours.

This paper details the nature and extent of effort undertaken in conducting the 18 month structural assessment.

Copyright © 1986 by ASME
Topics: Engines , Durability , Damage
This article is only available in the PDF format.



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