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Cut Progression During Dynamometer Testing of Foreign Object Damaged Type VII Extra High Pressure Aircraft Tires
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English
Abstract
Ground operations over rough surfaces and/or debris strewn taxiways and runways may result in cut damage to the tires. Cut progression during continued flight operations has not been seriously studied. This report will follow a group of Type VII Extra High Pressure tires which were damaged by running them over a debris strewn test bed, then run through alternating taxi-takeoff and landing-taxi tests on the 3.05 meter (120 inch) dynamometer in the Landing Gear Development Facility at Wright-Patterson Air Force Base. Only 1.3 - 23% of the debris struck by these tires resulted in cuts. While testing on the dynamometer, the cut depth grew rapidly until it reached the outer carcass ply, then slowed. The test group included new and recapped bias ply, and prototype radial main landing gear tires. This paper will summarize the tire tests and offer recommendations for future evaluation of the tires and materials.
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Citation
Vorum, P., "Cut Progression During Dynamometer Testing of Foreign Object Damaged Type VII Extra High Pressure Aircraft Tires," SAE Technical Paper 912155, 1991, https://doi.org/10.4271/912155.Also In
References
- Vorum, Peter C. “Cut Progression during Dynamoseter Testing of Foreign Object Damaged Type VII Extra High Pressure Aircraft Tires,” Technical Report Wright Laboratories Feb 1991
- Schwartz, Kenneth P. “Foreign Object Damage to Tires Operating in a Wartime Environment,” Technical Report Wright Laboratories Feb 1991
- Vorum, Peter C. Champion, Jon H. “An Experimental Test and Evaluation of Foreign Object Damaged Aircraft Tires,” Mar 86
- Specification Control Drawing 16VL002, Code ID 81755 “Tire, Pneumatic-Tubeless, 25.5 x 8.0-14/18 PR,” General Dynamics Corp. Ft. Worth Division, Ft. Worth TX
- Vorum, Peter C. “Cut Tire Inspection Procedure,” Technical Memorandum WRDC-TM-90-319- FIVM Wright Laboratories Sep 1990
- Military Specification MIL-T-5041 H “Tires, Pneumatic, Aircraft,” 13 Mar 89