EV challenge to end all challenges?

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jonescg
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EV challenge to end all challenges?

Post by jonescg »

Okay, so we've seen Teslas drive around the world, electric aeroplanes fly around the world, solar boats sail around the world and even electric space stations orbiting the world.

So you'd think the challenges are all pretty much over. However one challenge yet to be beaten is how far can you go on a single charge?

Well that depends how big your battery is. But even an 85 kWh Tesla has a range record of about 700 km. Maybe 1000 km if you poke along. That's cause the Tesla is a big heavy (but very comfortable) car.

The EV Challenge is all about designing a light weight, aerodynamic electric vehicle which can cover the greatest distance in the shortest time. When the time frame is removed, you've got an outright record to beat - how far can you go on just 5.5 kWh?

Image

James Hill from Coulomb Motorsport is aiming to beat the current world record of 1,700 km on a single charge. Where? Right here in Australia at the home of Electrikhana, the RAC Driving Centre. The team needs funds to put this Guinness record to the test, so a GoFundMe campaign is in motion:

https://www.gofundme.com/Coulombmotorsport1

Lets see if we can break that record too Image

AEVA National Secretary, WA branch chair.
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Richo
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EV challenge to end all challenges?

Post by Richo »

Do you have a link to the standing record?
So the short answer is NO but the long answer is YES.
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jonescg
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EV challenge to end all challenges?

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Richo
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EV challenge to end all challenges?

Post by Richo »

But they set the record on 23kWh.
Does he think he can now beat that with only 5.5kWh?

Interestingly the link to the Guinness world record page is broken.
http://www.guinnessworldrecords.com/sea ... nce+charge
I see it in the list at the top.
So the short answer is NO but the long answer is YES.
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jonescg
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EV challenge to end all challenges?

Post by jonescg »

You'll have to ask James, but at ~160 kg GVM, and average speeds of 25 km/h, it's not an impossible feat. Pump those tyres up!
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Richo
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EV challenge to end all challenges?

Post by Richo »

At 3.2Wh/km that is 3-4x better than an eBike and double the performance of the eV challenge.
Admittedly they are trying to go the furthest in an hour vs furthest overall but I have reservations that this equated to double.

Perhaps they got hold of a $12k CSIRO A/F motor with 99% efficiency?!?
So the short answer is NO but the long answer is YES.
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jonescg
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EV challenge to end all challenges?

Post by jonescg »

Currently getting 4.2 Wh/km which is really quite impressive. I hope their Coulomb counter is fairly accurate, cause achieving another 30 % efficiency gain is going to be tough.
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EV challenge to end all challenges?

Post by Rusdy »

Richo wrote: At 3.2Wh/km that is 3-4x better than an eBike and double the performance of the eV challenge.
Admittedly they are trying to go the furthest in an hour vs furthest overall but I have reservations that this equated to double.

Perhaps they got hold of a $12k CSIRO A/F motor with 99% efficiency?!?


Impressive indeed. My e-Bike is running between 8 - 9 Wh/km on calm days at 35-ish kph. Probably they run super slow (30kph and less) AND super slippery body.
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Richo
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EV challenge to end all challenges?

Post by Richo »

Ok I'm in - Looks achievable Image

Com'on ppl Flash that cash Image
So the short answer is NO but the long answer is YES.
Help prevent road rage - get outta my way!
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