THE BATTALIONWEDNESDAY, JULY 17, 1974

Page 5

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When the space shuttle ranges into space in a few years, it will pack radar specified by scientists and NASA.

Spokesman for the A&M team, Richard Newton, said members are presently contacting users of the system to see what their needs are.

“We re researching specifications of everyone who will be using the equipment, ” he said.

The Remote Sensing Center, a division of the Texas Engineering Experiment Station, is funded by the Jet Propulsion Laboratories to help de

cide what type of active microwave sensor will be placed in the storage area of the shuttle to be jerked into space. Present goals are to determine the ideal specifications for the radar so that it can be used by the largest number of agencies for specific projects. The system can then be put into orbit and picked up by the large capacity shuttle.

“The shuttle provides a versatile platform that can be used with a radar in several ways,” Newton explained, “for instance, as a site for collecting radar data or as a launcher of

unmanned satellites equipped with radar systems.

“The space shuttle will be a reusable truck for payload delivery, retrieval, service and operation,” he pointed out.

“Use of radar irom space has much potential,” Newton asserted. “In water management, it has been indicated that moisture and melt rate of snow and ice can be determined by radar and the total amount of water released on a watershed can be predicted. The current capabilities for prediction are inadequate.

Tire grading standards to be uniform

Soon consumers won’t have to rely on the claims of salesmen about the quality of auto tires.

A&M researchers working under a contract with the Department of

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Transportation have designed and are currently building reference pavements on which all tire manufacturers will check and classify their products.

Professor Bob Callaway and a team from the Texas Transportation Institute at TAMU are building a number of test pads at Goodfellow Air Force Base in San Angelo for the evaluation. All the tire producers will be required to send samples of their tires there to be tested on the pads and a 400-mile test circuit.

“We are designing and building two pads for the reference tests,” Callaway explained. “One is Portland cement concrete and the other is hot mix asphalt concrete to check tire skid performance. The 40-mile circuit will be for the study of tread wear performance of tires. The aim of the whole thing is to develop a tire grading system for the U. S. This information would then be placed on the tire for the customer to see.

“Four intersections have also been resurfaced for traction and cornering tests in Tom Green County,” he continued. “They are part of the 400-mile run for mileage testing.

“The treadwear grades will range from 60 to 15,” Callaway pointed out. “This represents the projected minimum life, in thousands of miles of the tire on the test course. A tire marked ‘X’ is ungraded and may have a mileage life of less than 15,000 miles on the government course.

“Stars from one to three (highest) represent the tire s ability to stop on wet pavement,” he noted. “A tire marked O’ for traction is ungraded and may have poor traction performance.

“The high speed performance grades are A through C and represent the tire’s resistance to heat and its ability to dissipate heat,” Callaway added. “Excessive heat can lead to sudden tire failure. The Grade C represents the resistance to heat which all passenger car tires must meet under the federal motor vehicle safety standards. The other grades are higher levels of performance than the minimum required by law.”

Editor s noteLynn Ashby, columnist for “The

Houston Post,” calls journalism a sinful profession because one can get to know everybody and do everything and get paid for it. “The Battalion” doesn’t pay much, but it does offer a valuable learning experience—even to those who don’t plan to make journalism their career.

The Batt needs people interested in reporting on the personalities and the events of Texas A&M and the Bryan-College Station community.

The Batt is also organizing for a humor section, dealing with local topics.

If you are interested in the above positions, please call 845-2226.

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