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The Generation of Tire Cornering Forces in Aircraft with a Free-Swiveling Nose Gear
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English
Abstract
Various conditions can cause an aircraft to assume a roll or tilt angle on the runway, causing the nose tire(s) to produce significant uncommanded cornering forces if the nose gear is free to swivel. An experimental investigation was conducted using a unique towing system to measure the cornering forces generated by a tilted aircraft tire. The effects of various parameters on these cornering forces including tilt angle, trail, rake angle, tire inflation pressure, vertical load, and twin-tire configuration were evaluated. Corotating twin-tires produced the most severe cornering forces due to tilt angle. A discussion of certain design and operational considerations is included.
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Authors
Citation
Daugherty, R. and Stubbs, S., "The Generation of Tire Cornering Forces in Aircraft with a Free-Swiveling Nose Gear," SAE Technical Paper 851939, 1985, https://doi.org/10.4271/851939.Also In
References
- Stubbs, Sandy M. Landing Characteristics of a Dynamic Model of the HL-10 Manned Lifting Entry Vehicle NASA TN D-3570 November 1966
- Daugherty, Robert H. Braking and Cornering Studies on an Air Cushion Landing System NASA TP-2196 September 1983
- Daugherty, Robert H. Stubbs, Sandy M. A Study of the Cornering Forces Generated by Aircraft Tires on a Tilted, Free-Swiveling Nose Gear NASA TP-2481
- Vogler, William A. Tanner, John A. Cornering Characteristics of the Nose-Gear Tire of the Space Shuttle Orbiter NASA TP-1917 October 1981
- Tanner, John A. Stubbs, Sandy M. McCarty, John L. Static and Yawed-Rolling Mechanical Properties of Two Type VII Aircraft Tires NASA TP-1863 May 1981