Group B Gets a Shot at Dyno Testing

The second wave of student teams are wrapping up safety tech inspections and dynamometer testing at the U.S. Environmental Protection Agency’s National Fuels and Vehicle Emissions Laboratory in Ann Arbor, MI.

After an impressive week of dyno testing with Group A, Group B teams Embry-Riddle, Missouri S&T, North Carolina State, Rose-Hulman, University of Victoria, University of Wisconsin, University of Ontario Institute of Technology (UOIT), and West Virginia University had their turn.

“When coming to EPA, our team was looking forward to motor tuning testing in order to optimize performance and ensure another motor failure does not occur. We also wanted to perform a full battery depletion to determine our vehicle’s range,” said University of Ontario Institute of Technology (UOIT) team leader Gavin Clark.

UOIT was also the first vehicle in Group B to pass safety tech inspection and the first to test a vehicle on the dyno. Their vehicle was the fourth full-electric vehicle to perform dyno testing at EPA’s NFVEL facilities.

“We spent one whole day charging our vehicle and then performed a battery depletion test. The result was a total of 233 miles on a single charge. To do this we were on the dyno for nine hours using a variety of urban dyno drive schedules (UDDS), highway drive and steady state cycles,” said Clark.

Other teams, like Rose-Hulman, have utilized dyno testing to refine custom transmission shift maps in their vehicle.

“We have been using the UDDS, highway fuel efficient tests, and FU505 cycles to refine our custom automatic transmission shift maps,” said Rose Hulman’s Faculty Advisor Zac Chambers.  “Our results have been very insightful – being able to test in a controlled environment with no ‘runway’ restrictions is a tremendous opportunity.”

Before the Spring Workshop draws to a close, all remaining teams will have their shot at dyno testing. The University of Victoria, Embry-Riddle, and North Carolina State have already begun dyno testing and are excited to analyze the data.

“The dyno facility at the EPA NVFEL is mindboggling,” said Chambers. “We are still overwhelmed that we got to test our vehicle at the location where all vehicle fuel economy and emissions numbers are validated!  This was an experience our students will never forget.”

Check out the slideshow below to see photos of the Group B teams in action!