Browse Publications Technical Papers 2003-01-3048
2003-09-08

Research on a New Aircraft Undercarriage to Prevent Tire Smoking on Landing 2003-01-3048

The moment at which a wheel of a landing aircraft touches the ground, the wheel meets great resistance to forward motion. As the undercarriage absorbs almost none of this longitudinal impact, the tire begins to smoke, while the oleo strut undergoes spin up and spring back. Most people are unaware that this phenomenon represents the technological limits of current suspensions.
For the wheel to absorb forward impact, it must be given longitudinal stroke. We have created a new type of undercarriage, containing a crank element and adequately gives the longitudinal stroke (1),(2).
We clarified the new undercarriage with basic dynamical analysis and computer simulations using an aircraft model with 1 degree of freedom. This simulation showed that when given specific freedom of circular motion, the wheel will accelerate in two stages after landing. Consequently, the sliding friction work on the tire is reduced by a maximum of about 47.4%.

SAE MOBILUS

Subscribers can view annotate, and download all of SAE's content. Learn More »

Access SAE MOBILUS »

Preview Document Add to Cart
Members save up to 17% off list price.
Login to see discount.
Special Offer: Download multiple Technical Papers each year? TechSelect is a cost-effective subscription option to select and download 12-100 full-text Technical Papers per year. Find more information here.
We also recommend:
TECHNICAL PAPER

Smoothing Runway Travel to Improve Safety and Lower Maintenance Costs -A New Type of Aircraft Landing Gear Promises Safer and More Comfortable Travel-

2005-01-3416

View Details

TECHNICAL PAPER

Numerical Flow Simulation for a Generic Vehicle Body on Wheels with Variable Underbody Diffuser

2012-01-0172

View Details

TECHNICAL PAPER

SAE Interlaboratory Test For Rolling Resistance of Passenger Car Tires - Part II: Model and Test Matrix Optimization

831026

View Details

X