2019 World Solar Challenge update #5


Michigan’s Novum, after having arrived second in 2017 (photo: Anthony Dekker)

Warning: this list is obsolete. Please check more recent posts.

Here is a further update on the 51 teams (27 Challengers, 23 Cruisers, and 1 Adventure car) aiming for the 2019 Bridgestone World Solar Challenge in Australia this coming October. Many teams are busy with construction, and below is my best understanding of the current team status (it does not yet reflect the to-be-published official list of teams). A few things have changed since my last list, and I have added some pictures and corrected some errors.

Meanwhile, 25 teams – Bridger, Calgary, CalSol (1st in 2017), Esteban (3rd in 2017), Florida, Ga Tech, Illini, Illinois St, Kentucky, Mich St, Missouri S&T, NCSU, NJIT, Northwestern, Principia, PrISUm, Purdue, Rutgers, SIUE, UBC, UPRM, UT, UVA, W Mich, and Waterloo, including 1 WSC team – are preparing to attend FSGP 2019 in America this July.

Recent BWSC news is that JU Solar Team have a body, that Eindhoven have a bottom shell, that Top Dutch and CalSol also have shells, and that Bochum have clarified their plans.

In addition, on 24–25 May, the Albi Eco Race will have Bochum competing against Ardingly and several French cars (see my report on the 2018 event).

AU  Looks on track  Adelaide University 

Challenger (Lumen II) – they have been doing a lot of testing.

AU  Hmmm  ATN Solar Car Team 

Cruiser (new team: see my team bio) – their team is a mixture of lecturers and students from five universities across Australia. They have tested a model in a wind tunnel.

AU  Hmmm  Australian National University 

Challenger (new car: MTAA Gnowee) – the car is named after a woman in Aboriginal myth who carries the sun. They are working on their mould.

AU  Looks on track  Flinders University 

Cruiser (Investigator Mark III) – they are planning to improve aerodynamics, reduce weight, and make some other changes.

AU  Looks on track  TAFE SA 

Cruiser (SAV) – this time they will tow the trailer that belongs with the car.

AU  Looks on track  Team Arrow 

Cruiser (ArrowSTF) – they have done a six-month-out update video.

Team Arrow 6 Months to #BWSC19 Update

AU  Looks on track  University of New South Wales / Sunswift 

Cruiser (Violet) – they have been testing their car on the track.

AU  Looks on track  Western Sydney Solar Team 

Challenger (new car) – they won the American Solar Challenge last year (with their Challenger car Unlimited 2.0).

BE  Looks on track  Agoria Solar Team (KU Leuven) 

Challenger (new car: BluePoint) – they have some (top secret) production moulds and are now sponsored by Agoria. They held a mock race with the old car.

CA  Looks on track  ETS Quebec (Eclipse) 

Challenger (Éclipse X.I) – they came an excellent 3rd in the ASC, 102 minutes behind Western Sydney, and hope to go even faster with the new battery pack in their modified car. Planned improvements are summarised in their winter newsletter.

CA  Looks on track  University of Toronto (Blue Sky) 

Challenger (new car: Viridian) – they plan to unveil the new car in July.

CL  Hmmm  Antakari Solar Team 

Challenger (new car: Intikallpa V) – no news on the new design as yet.

Antakari BWSC 2013 aftermovie (they participated in the Adventure class)

CL  Hmmm  Eolian AutoSolar 

Cruiser (new car: Auriga ) – they will be back at the WSC after coming 14th in 2007.


public domain photo

DE  Looks on track  Bochum University of Applied Sciences 

Cruiser (thyssenkrupp SunRiser ) – Bochum is not building a new WSC car, but are improving their sexy 2-seater SunRiser, which came 3rd in 2015. They also have a solar buggy team. As in previous years, they are participating in the Albi Eco Race.


photo: Anthony Dekker

DE  Looks on track  Sonnenwagen Aachen 

Challenger (new car) – they have a car-racing game app starring their car.

HK  Looks on track  Hong Kong Institute of Vocational Education 

Cruiser (Sophie 6 plus) – they have been working on the car body.

IN  Looks like they might not make WSC  R.V. College of Engineering 

Challenger (new car) – no details as yet.


public domain photo

IN  Hmmm  SolarMobil Manipal 

Cruiser (SM-S2) – existing car.

IR  Hmmm  University of Tehran 

Cruiser (new car: Persian Gazelle 4) – they will unveil their car on 11 June.


public domain photo

IT  Looks like they might not make WSC  Futuro Solare Onlus 

Cruiser (new car: Archimede 2.0) – they have an exciting design concept.

IT  Looks on track  Onda Solare 

Cruiser (Emilia 4) – they won the American Solar Challenge (Cruiser class) last year, and they have written up their design process here.

JP  Looks on track  Kogakuin University 

Challenger (new car) – they have announced their participation and held a “Solar Team Welcome Party” for new members.

JP  Looks on track  Nagoya Institute of Technology 

Challenger (new car) – no news on the new design as yet.


public domain photo

JP  Looks on track  Tokai University 

Challenger (new car) – in January they hosted some visitors from Lodz.

KR  Looks on track  Kookmin University Solar Team 

Challenger (new car) – no news on the new design as yet.

KUST BWSC 2017 aftermovie (they raced in the Challenger class)

MY  Looks on track  EcoPhoton / UiTM 

Challenger (new car: Tigris) – see their first vlog (in Bahasa Malaysia).

MA  Looks like they might not make WSC  Mines Rabat Solar Team 

Challenger (new car: Eleadora 2) – their new catamaran will look like this. They have made a mould for their body.

NL  Looks on track  Solar Team Eindhoven 

Cruiser (new car: Stella ?) – they have turned a shipping container into an oven for production and plan to reveal their car on July 4. The bottom shell just came out.

NL  Looks on track  Solar Team Twente 

Challenger (new car: Red E) – they are already producing regular vlogs (in Dutch), and have also produced an (English) day-in-the-life blog post. They have revealed their design, which is a GaAs catamaran (see the animation here). They will run a MOOC explaining the design of their 2015 car, and will reveal their 2019 car on (of course!) 21 June.

NL  Looks on track  Top Dutch Solar Racing 

Challenger (new team: see my team bio) – they have a shell, which looks a lot like Michigan’s Novum.

NL  Looks on track  Vattenfall Solar Team (Delft) 

Challenger (new car: Nuna X) – these are the champions formerly known as Nuon. See their 2017 aftermovie.

PL  Looks on track  Lodz Solar Team 

Cruiser (Eagle Two) – they have produced a solar baby, which is a prize that lasts.

PL  Looks like they might not make WSC  PUT Solar Dynamics 

Cruiser (new team) – they are making a mould for their body.

SG  Looks on track  Singapore Polytechnic 

Cruiser (SunSPEC 5) – they have new motors and new doors.

SE  Looks on track  Chalmers Solar Team 

Challenger (new team: see my team bio) – their final render resembles the car of the South African NWU team. They have been working on their suspension, and hope to ship the car in early June.

SE  Looks on track  Halmstad University Solar Team 

Challenger (new team: see my team bio) – they are planning a bullet car, much like Michigan’s 2017 entry.

SE  Looks on track  JU Solar Team 

Challenger (new car: Axelent) – they have a rolling test chassis and a body. The body design seems long and thin.

SE  Looks on track  MDH Solar Team 

Challenger (MDH Solar Car) – they have been doing some testing.

CH  Looks on track  Solar Energy Racers 

Challenger (SER-3) – they raced this car in South Africa.

TW  Looks on track  Kaohsiung / Apollo 

Cruiser (new car: Apollo IX) – they have been making some carbon-fibre seats.

TH  Looks like they might not make WSC  Siam Technical College 

Cruiser (new car: STC-3) – no news on the new design as yet.

Siam Technical College BWSC 2017 aftermovie (they raced in the Cruiser class)

TR  Looks like they might not make WSC  Dokuz Eylül University (Solaris) 

Challenger (new car) – they expect the new car to be 44% more efficient than the 2015 model.


public domain photo

GB  Looks on track  Ardingly College 

Cruiser – this high-school team came 6th in the iESC Cruiser class, but have upgraded the car since then. They have been entertaining royalty, and will participate in the Albi Eco Race.

GB  Looks on track  Cambridge University 

Cruiser (new car: Helia) – they are busy with fabrication.

GB  Looks on track  Durham University 

Challenger (new car: Ortus) – they have been doing outreach, as well as fabrication.

US  Looks on track  Appalachian State University (Sunergy) 

Cruiser (new team: see my team bio) – as with some European teams, they have been testing at an airport.

US  Looks on track  Berkeley (CalSol) 

Cruiser (new car: Tachyon) – they have a shell. They will also attend FSGP 2019.

US  Looks on track  Houston School District 

Adventure (Sundancer) – this high school team from from Houston, Mississippi is a regular visitor, because they keep winning the US high school race.

US  Looks on track  Stanford Solar Car Project 

Challenger (new car) – they have revealed their shell, which is a unique asymmetric bullet car.

US  Looks on track  University of Michigan 

Challenger (new car) – they are asking for name suggestions for the new car.

Michigan BWSC 2017 aftermovie (they came 2nd in the Challenger class)

US  Looks on track  University of Minnesota Solar Vehicle Project 

Cruiser (new car: Freya) – they have posted a progress video on Facebbok.

UMNSVP BWSC 2015 aftermovie (they came 5th in the Cruiser class)

This page last updated 23:09 on 18 May 2019 AEST. Thanks to Nigel for several news items.


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Media teams and the World Solar Challenge

In the lead up to the 2019 Bridgestone World Solar Challenge in Australia this coming October, wise solar car teams are building their media and social media presence. This has all kinds of benefits. It grows the fan base, and fans sometimes respond to crowd-funding campaigns. Even if they don’t, fans provide moral support. A media/social media presence also helps to attract sponsors, either as a result of a potential sponsor reading a story, or as a result of a potential sponsor googling a team.


Two solar-car media stories, the left from Algemeen Dagblad in the Netherlands (January 2019), and the right from the New Straits Times in Malaysia (September 2018). The orange team shirt on the left has instant brand recognition for both the team and the major sponsor.

Above are two good media stories, one from the champions in Delft, and the other from the newer Ecophoton team in Malaysia. It often helps to place a story if there is a local connection. It’s big news in Zwolle (population 127,000) that a local girl is team leader of Vattenfall Solar Team. It’s even bigger news in Abcoude (population 8,800) that a local student is on the team. During the American Solar Challenge, solar car teams spending the night in a town are pretty much guaranteed to make the local news as well. This benefits a team’s university, in that children are likely to remember the big event when they later go to college.

Other kinds of media story are technology-focused, highlighting the role of in-kind sponsors, such as Sonnenwagen Aachen and Covestro. Transportation and logistics sponsors, like Michigan and Höegh Autoliners, also generate stories of an obvious kind. In all cases, a good team photographer contributes greatly to a good story.


Michigan loads up their famous semi trailer in June 2015 (image credit)

I’ve often pointed out that a solar car team is more like a startup company than anything else. Sponsorship and media is just as important as building and racing the car. The top teams provide a model to follow for all of these activities. Conversely, those teams which fail to recruit a subteam for sponsorship and media should not be surprised if they struggle to find sponsors (which is my cue to mention this great trio of posts on sponsorship from Australia’s Team Arrow).


American Solar Challenge 2018: The run to Burns

I recently got my hands on the GPS tracker data for the American Solar Challenge last July. Above (for the 6 Challengers completing the stage) and below (for the Cruisers) are distance/speed charts for the run from Craters of the Moon to Burns, which seems the stage of the route with the best data (at this time of year I haven’t the time for a more detailed analysis). Click on the charts to zoom. Small coloured circles show end-of-day stops.

Stage times were 15:Western Sydney 8:05:16, 101:ETS Quebec 8:20:13, 2:Michigan 8:25:08, 55:Poly Montréal 8:42:52, 4:MIT 9:07:58, and 6:CalSol 9:30:12 for Challengers, and 828:App State 10:22:37, 559:Bologna 12:13:57, and 24:Waterloo 15:29:12 for Cruisers (note that Bologna was running fully loaded on solar power only, while the other Cruisers recharged from the grid).

The data has been processed by IOSiX. I’m not sure what that involved, but I’ve taken the data as gospel, eliminating any datapoints out of hours, off the route, or with PDOP more than 10. Notice that there are a few tracker “black spots,” and that trackers in some cars work better than in others. The small elevation charts are taken from the GPS tracker data, so they will not be reliable in the “black spots” (in particular, the big hill before Burns has been truncated – compare my timing chart).


Solar Car World Rankings Revisited


Nuon at WSC 17 (photo: Anthony Dekker)

Below is my personal world ranking of the top 21 Challenger-class solar car teams (revised with new data from an earlier list). It was produced entirely algorithmically by using linear regression on historical data to build mappings between WSC rankings and those of other races, and then applying those mappings to the results of four recent events (WSC 17, ASC 18, ESC 18, and Sasol 18). For example, this is the mapping between Sasol placings and WSC placings. It was used to map all Sasol 18 teams to expected WSC placings:

There is as yet insufficient data to rate Cruiser-class teams (apart from the actual WSC 17 results: 1 Eindhoven, 2 Bochum, 3 Arrow). But here is the table of Challengers:

Rank Previous Team WSC17 ASC18 ESC18 Sasol18
1 1 NL  Nuon Solar Team 1 1
2 ↑ 3 NL  Solar Team Twente 5 1
3 ↓ 2 US  University of Michigan 2 2
4 4 BE  Punch Powertrain Solar Team 3 6
5 5 JP  Tokai University 4 2
6 ↑ DE  Sonnenwagen Aachen P 3
7 ↓ 6 AU  Western Sydney Solar Team 6 1
8 ↑ 18 CH  Solar Energy Racers 3
9 ↓ 8 HU  Kecskemét College GAMF (Megalux) 4
10 ↓ 7 JP  Kogakuin University 7
11 ↓ 9 SE  JU Solar Team 8
12 ↓ 10 US  Stanford Solar Car Project 9
13 ↑ ZA  Tshwane University of Technology (TUT) 4
14 ↓ 11 CL  Antakari Solar Team 10
15 ↓ 13 CA  University of Toronto (Blue Sky) 11
16 ↓ 14 CA  ETS Quebec (Eclipse) 3
17 ↓ 15 JP  Nagoya Institute of Technology 12
18 ↓ 12 ZA  North West University P 5
19 ↑ FR  Eco Solar Breizh 7
20 ↓ 17 CA  Poly Montreal (Esteban) 4
21 ↓ 19 US  Massachusetts Institute of Technology 5

Note that Cruiser teams like Eindhoven, Bochum, and Arrow are excluded from the list. The letter P marks cars that participated in WSC 17, but did not finish, and thus were not ranked at the time. It must also be said that Western Sydney, Eclipse, Esteban, and MIT should probably be ranked higher than they are here – the algorithm is not taking into account the dramatic improvement in ASC teams this year. However, good ESC and Sasol performance has bumped up Aachen, SER, Eco Solar Breizh, and South Africa’s new champion team, TUT.


Michigan at WSC 17 (photo: Anthony Dekker)


Solar Car World Rankings


Nuon at WSC 17 (photo: Anthony Dekker)

Here is my personal world ranking of the top twenty Challenger-class solar cars. It was produced entirely algorithmically by using linear regression on historical data to build mappings between WSC rankings and those of other races, and then applying those mappings to the results of four recent events (SASOL 16, ESC 16, WSC 17, and ASC 18). There is as yet insufficient data to rate Cruiser-class teams (apart from the actual WSC 17 results: 1 Eindhoven, 2 Bochum, 3 Arrow).

Rank Team SASOL16 ESC16 WSC17 ASC18
1 NL  Nuon Solar Team 1 1
2 US  University of Michigan 2 2
3 NL  Solar Team Twente 1 5
4 BE  Punch Powertrain Solar Team 2 3
5 JP  Tokai University 2 4
6 AU  Western Sydney Solar Team 6 1
7 JP  Kogakuin University 7
8 HU  Kecskemét College GAMF (Megalux) 3
9 SE  JU Solar Team 8
10 US  Stanford Solar Car Project 9
11 CL  Antakari Solar Team 10
12 ZA  North West University 4 P
13 CA  University of Toronto (Blue Sky) 11
14 CA  ETS Quebec (Eclipse) 3
15 JP  Nagoya Institute of Technology 12
16 TR  Istanbul Technical University (ITU) 7 P
17 CA  Poly Montreal (Esteban) 4
18 CH  Solar Energy Racers 8
19 US  Massachusetts Institute of Technology 5
20 TR  Dokuz Eylül University (Solaris) 9

Note that, for ESC 16, the 3rd, 4th, and 5th place cars were all Bochum Cruisers and are therefore not listed here, while 6th was Onda Solare, which is now also a Cruiser team. The letter P marks cars that participated in WSC 17, but did not finish, and thus were not ranked. It must also be said that Eclipse, Esteban, and MIT should probably be ranked higher than they are here – the algorithm is not taking into account the dramatic improvement in ASC teams this year.


Michigan at WSC 17 (photo: Anthony Dekker)


ASC 38: Road Race Day 8


Start, drive, cross the line, recharge (picture credits: 1, 2, 3, 4)

Day 8 of the American Solar Challenge was another sunny day. The road to Burns included several steep hills, climbing out of the Snake River Plain, and teams that did not negotiate them yesterday had to do so today. Appalachian State were the first Cruiser to arrive in Burns. Onda Solare are the only untrailered Cruiser, however (and still with 4 people and no external recharging). The chart below summarises the race so far (penalty minutes are added at the right of the chart).

I am awarding my “Cruiser Pioneer” gem to the University of Minnesota Solar Vehicle Project, who are America’s Cruiser (MOV) class pioneers. They were the only Cruiser at ASC 2016. They came 4th in the WSC 2013 Cruiser class, and 5th in the WSC 2015 Cruiser class. They won the FSGP MOV class this year by a convincing margin, and were clear leaders for the ASC road race until they ran into trouble 40 miles into stage 4 (with an electrical fault). Thank you, UMNSVP, for showing everybody else the way!


ASC 37: Road Race Day 7


ASC, Day 7 (picture credits: 1, 2, 3, 4)

Day 7 of the American Solar Challenge was full of drama. An incredible race between Western Sydney and Michigan saw average speeds to the checkpoint in Mountain Home of 90.8 km/h (56.4 mph). In the Cruiser class, there was a tragic breakdown by Minnesota, which I think will leave Onda Solare the winners by default.

I am, however, giving my “Most Desirable Car Gem” award to PrISUm. Their car did not qualify for the road race, but I still think that their “solar SUV” is a fantastic concept.

And here are the night-time car positions (unreliable in the case of Michigan). I have overlaid them on my elevation map to emphasise the 850 metre downhill run into Mountain Home, and then the climb back up into Burns.