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UW Madison Outlasts the Competition in Electric Sled Range Test
For more information on this story contact:
Email:Marcia Goodrich
Phone:906/487-2343


MARCH 13, 2008--The sled from the University of Wisconsin-Madison kept going and going and going.

Wisconsin made 27 laps of the Keweenaw Research Centerís 0.6-mile test track plus the 1-mile trip to the track itself, completing a total of 17.2 miles to dominate the 2008 SAE Clean Snowmobile Competitionís Electric Sled Range Challenge held Tuesday.

In the challenge, snowmobiles re-engineered to run solely on electric power were led to the Keweenaw Research Centerís test track and allowed to make as many laps as they could until they could no longer safely sustain a 20 mile per hour pace.

"The sled ran fine," said Wisconsin rider Nick Rakovec. "We had a good, robust design with good cooling, and our direct drive system helped with our efficiency."

Wisconsin team members speculate they could have easily made several more laps of the track; however, with victory secured they chose to quit once their sled's onboard voltage meter fell below a certain level in order to make recharging the battery for later events more efficient. Even so, that proved to be quite some time, as their sled continued to follow the pace sled around the track uncontested with no end in sight.

Also participating in the challenge's zero-emissions division were McGill University, which completed 1.7 miles before its motor started smoking; Clarkson University, which completed 4.6 miles before its sled began to overheat; and the South Dakota School of Mines and Technology, which completed over 7.9 miles before their sledís battery lost charge.

"We didnít do bad. We did much better than last year," said Clarkson rider Rob Franklin. "It was running fine until it got too hot. We could have kept going if it werenít for that. It still runs, just too hot."

(Editor's note: This story was contributed by student writer Mark Blehm.)

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