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GOODYEAR ANNOUNCES 200-MILE RUN FLAT TIRE

 GOODYEAR ANNOUNCES 200-MILE RUN FLAT TIRE
 AKRON, Ohio, Aug. 5 /PRNewswire/ -- Goodyear (NYSE: GT) announced


today the first so-called "run flat" tire destined for new car use by a Detroit auto manufacturer.
 Designed for introduction on an upcoming American-built high- performance vehicle, the tire is designed to operate effectively with a total loss of air pressure for 200 miles at speeds up to 55 mph.
 Officially named the Extended Mobility Tire (EMT) for its ability to travel great lengths after an ordinary tire would go flat, Goodyear's Eagle EMT will keep its healthy shape at zero inflation pressure.
 For the buyer of the popular performance car, the Eagle EMT virtually eliminates disabling flats on darkened roadways or busy freeways.
 Don Knight, director of original equipment tire development for Goodyear, said the reinforced sidewall design of the new tire uses proprietary materials to combat heat buildup and can successfully negotiate a 50-mile slalom course at 40 mph pulling four-tenths of a G with "little noticeable difference in handling" compared to the current tire being used on the vehicle.
 In fact, the tire has been engineered to perform so well at zero inflation that a low-pressure warning system is used to alert the driver of a deflated tire, Knight added.
 "These tires will function on standard wheels right now," Knight said. "But without the air-pressure warning system, a driver would have no way of knowing a tire was losing air."
 Knight said that one of the test rides by Goodyear engineers comparing the new tire without air pressure to the current Eagle performance tire with air found performance of the two tires "very closely" matched.
 The engineers didn't know that a valve stem had been removed from one of the EMT tires prior to the handling exercise and it operated smoothly at zero psi, Knight said.
 Goodyear said the project has been in development for some time, although design work accelerated the past year.
 Knight said the challenge, in keeping with the performance characteristics and tradition of the vehicle, was to produce the tire with no performance tradeoffs in ride, handling, rolling resistance and speed rating.
 "In other words, they wanted it as good or better than today's ultra-high-performance Eagle in performance, but with the capability of running at zero psi," Knight said.
 "We started with the best ultra-high-performance tire on the market and re-engineered it for design and compounding," Knight said. "The result is something that could have a dramatic impact on the vehicle industry."
 That impact could possibly lead to inclusions on vehicles other than performance cars and ultimately replacement of tires on existing vehicles to save the space and weight of a spare tire.
 The possibilities, Knight said, are left to the imagination.
 "Imagine being a hundred miles from nowhere with no spare and no air," Knight said. "With the Eagle EMT, it's no problem."
 -0- 8/5/92
 /CONTACT: Chuck Sinclair of Goodyear Tire & Rubber, 216-796-2154/
 (GT) CO: Goodyear Tire & Rubber ST: Ohio IN: AUT SU: PDT


KK -- CL015 -- 7324 08/05/92 17:58 EDT
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Copyright 1992 Gale, Cengage Learning. All rights reserved.

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Publication:PR Newswire
Date:Aug 5, 1992
Words:508
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