Violet Leads Spectrum of Competitors in Dust

Filed under Event & Venue, News, Science & Research, Technology - IT - AI, UNSW ~ by Press on  20 Oct 2019

UNSW Sunswift takes line honours at world solar car challenge

UNSW Sydney’s solar car team Sunswift took Cruiser Class line honours in the 2019 Bridgestone World Solar Challenge (BWSC) in Adelaide.

Sunswift’s car, named Violet ran the 3,000 km race through Australia’s centre from Darwin to Adelaide.

BSWC is a challenge designed to test young engineers to create the most efficient and reliable solar cars possible.

Teams from universities around the world compete in the biennial event.

Event organisers enforce stringent standards for efficiency and durability so that competitors push technological boundaries to make cars that resemble every-day vehicles.

They must then put them to the test on public roads amid semi-trailers, wildlife, potholes and wind gusts that all threaten to end their journey prematurely. Eleven from 14 starters in the Cruiser Class did not finish the race.

First year engineering student Jed Cruickshank drove Violet across the finish line in Adelaide. He said to cross the finish line and get the nod from officials that his team had won was exhilarating.

I knew the Dutch team (which won the challenge in 2017) was hot on our heels – there was only about 20 km separating us at the end.”

We did some calculations last night to work out how much we could speed up to try to win without running out of battery short of the finish line.

It was tricky coming into Adelaide too, as there was quite a bit of traffic. But we did it,” Mr. Cruickshank said.

This year’s BWSC was more challenging than ever due to a new rule that restricted competitors to just two charging opportunities – at Tennant Creek and Coober Pedy. This meant the teams had to travel about 1000km on a single charge and constantly monitor energy consumption.

The team estimates they used about 100kwh of energy during the five-day event, which is the equivalent to the power needed to run a small toaster for two days.

UNSW Professor of Practice Richard Hopkins, who was previously head of operations for world champion Red Bull Racing Formula One team and now mentor for the Sunswift team, has nothing but admiration for his team of students.

The BWSC is an incredible experience for the students. And they’ve done an amazing job,” Professor Hopkins said.

This is not just a competition about building the most efficient solar electric car possible. It’s also a test of resilience, team work and spirit to get the car across the line.”

This is not the first time a UNSW Sunswift car has taken line honours at the BWSC. The team’s previous solar car, called eVe, won the race in 2013. Violet was entered in 2017 but was forced to withdraw due to a rear suspension failure. The team has been rebuilding their car and their self-esteem ever since.

The students on the Sunswift team have built this car by hand – they’ve designed it, engineered it, physically put the pieces together and spent countless hours of their own time to form this winning combination that we are celebrating today” Professor Hopkins said.

I am very proud of these young people. They will make fine engineers,” Professor Hopkins said.

Sunswift is also in the running for the BWSC Cruiser Cup, where entrants are judged on energy efficiency as well as other factors such as design innovation, occupant space and comfort, and environmental impact.

The winner will be announced Saturday in Adelaide.

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