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On the second weekend in May, the WR-211 put Wisconsin Racing back on the map with a 5th place finish at Formula SAE Michigan. This marks the first top five finish for the team since the 2008 competition but the 6th since the year 2000. The 5th place finish also makes UW-Madison the top finishing domestic team (1st place went to Global Formula Racing, a collaborative effort between Duale Hochschule Baden-Württemberg- Ravensburg and Oregon State). Notably, the WR-211 posted the best power to weight ratio at competition and was the fourth lightest car at only 325 pounds. The results for the top ten are listed below:
1. Global Formula Racing - DHBW Ravensburg/Oregon State (Intl)
2. Technical University of Munich (Germany)
3. University of Stuttgart (Germany)
4. Graz University of Technology (Austria)
5. University of Wisconsin - Madison
6. University of Michigan - Ann Arbor
7. University of Applied Sciences Zwichau (Germany)
8. University of Akron
9. University of Kansas - Lawrence
10. University of Applied Sciences - Graz (Austria)
Wisconsin’s vehicle composition has undergone major changes beginning with the 209. This year, the team completed the transition to the lightweight vehicle concept by redesigning the entire suspension and chassis to utilize 10” rims and Hoosier tires. Besides the increased performance of the new tires, the wheel package reduced the vehicle weight by 21.5 lb alone. These massive and somewhat risky changes were not completed without challenges but the result was a remarkable performance increase from the previous year.
The WR-211’s powertrain package was refined greatly. The team continued its use of E-85 and reintroduced a full carbon fiber intake plenum, improving flow characteristics and reducing vehicle mass. Advanced simulation work was completed with Ricardo WAVE software and the powertrain group was able to acquire in-cylinder pressure data for the first time and making Wisconsin one of the few Formula Student teams to have access to in-cylinder pressure data. The powertrain package presented at competition boasted 82 hp.
Remaining for the team now is the Formula SAE California competition taking place on June 15th-18th. Global Formula Racing will be present at this event, as well as contenders from École de Technologie Supérieure in Montreal, the University of Missouri Science and Technology and the University of Kansas. Two team from China will also compete in the event.
The photo gallery for the WR-211 can be found through the gallery link at www.uwracing.com.

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