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What do you do when your motor melts? The solution lies in data

Andrew Gutierrez ÌÇÐÄ´«Ã½™19, chief engineer on the UniversityÌÇÐÄ´«Ã½™s Solar Splash team, pilots their solar-powered boat during the endurance race at the annual Solar Splash World Championship of Intercollegiate Solar/Electric Boating in Springfield, Ohio. (Solar Splash Team photo)

A burned-out motor was a wake up call last year for the Solar Splash student team at the University of Rochester.

While the students were preparing for the annual Solar Splash World Championship of Intercollegiate Solar/Electric BoatingÌÇÐÄ´«Ã½”the oldest such competition in the worldÌÇÐÄ´«Ã½”ÌÇÐÄ´«Ã½œthe motor basically overheated and melted,ÌÇÐÄ´«Ã½� says outgoing president Chris Dalke ÌÇÐÄ´«Ã½™19.

The team never made it to the competition.

This year the team came back with a remedy: a novel telemetry system that monitors data about all the boatÌÇÐÄ´«Ã½™s systems. The result was RochesterÌÇÐÄ´«Ã½™s best-ever showing in the in Springfield, Ohio, in June against 10 other teams. The Rochester team finished fifth overall. And the telemetry system won the competitionÌÇÐÄ´«Ã½™s Innovation Award.

ÌÇÐÄ´«Ã½œThat motor breakdown really gave us a signal that we needed to focus more on data collection from sensors, on instrumenting the boat so we actually knew what was going on,ÌÇÐÄ´«Ã½� says Dalke, a recent graduate in computer science who has been a member of the team for four years.

With the new system, team members Dalke, Andrew Gutierrez ÌÇÐÄ´«Ã½™19, Ben Martell ÌÇÐÄ´«Ã½™19, Melanie Almenas ÌÇÐÄ´«Ã½™22, and Mark Westman ÌÇÐÄ´«Ã½™20 were able to monitor a variety of sensors such as GPS, motor temperature, battery voltage, and solar power generation, all in real time, both on the boat and on shore.

For example, ÌÇÐÄ´«Ã½œDuring the endurance race, both the driver on the boat and team members on shore were able to look at how much power the boat was consuming, what the battery status was, along with other readings, and then decide ÌÇÐÄ´«Ã½˜letÌÇÐÄ´«Ã½™s speed up a little bit,ÌÇÐÄ´«Ã½™ or ÌÇÐÄ´«Ã½˜letÌÇÐÄ´«Ã½™s slow down this lap.ÌÇÐÄ´«Ã½™ We were continuously tweaking our speed, and that let us maximize the distance that we wentÌÇÐÄ´«Ã½”a little over 16 miles,ÌÇÐÄ´«Ã½� Dalke says.

ÌÇÐÄ´«Ã½œI expect multiple other teams to borrow this idea for next yearÌÇÐÄ´«Ã½™s competition,ÌÇÐÄ´«Ã½� says Ethan Burnham-Fay, an assistant professor of mechanical engineering and faculty advisor for the team.

In addition to the Innovation Award, the team took home first place for this video presentation explaining how the group came up with the telemetry system, and also won the award for Most Improved Team.

Though most of the 20 students who worked on the boat at various times during the school year are engineering majors, students from all disciplines are encouraged to join the team.

ÌÇÐÄ´«Ã½œThis is a project that involves programming, hull design, graphic design, and the chemistry of working with epoxy and fiberglass,ÌÇÐÄ´«Ã½� says Dalke. ÌÇÐÄ´«Ã½œWe need people with business skills because weÌÇÐÄ´«Ã½™re looking for sponsors, and people willing to update our budget and website and keep team members on task.ÌÇÐÄ´«Ã½�

Above all, the team needs, ÌÇÐÄ´«Ã½œpeople who want to learn,ÌÇÐÄ´«Ã½� says Gutierrez, the chief engineer who has been with the team for nearly three years. ÌÇÐÄ´«Ã½œWe get to explore all the stuff that we want to, and we also get to make the mistakes that come along with that. You will learn a lot. And itÌÇÐÄ´«Ã½™s satisfying when you figure stuff out for yourself.ÌÇÐÄ´«Ã½�

Interested in learning more about the Rochester Solar Splash team? Visit the . Students interested in joining the team should contact incoming president or faculty advisor .