EV challenge to end all challenges?

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jonescg
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EV challenge to end all challenges?

Post by jonescg » Wed, 29 Jun 2016, 04:04

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

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Richo
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EV challenge to end all challenges?

Post by Richo » Wed, 29 Jun 2016, 20:30

Do you have a link to the standing record?
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EV challenge to end all challenges?

Post by jonescg » Wed, 29 Jun 2016, 20:39

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EV challenge to end all challenges?

Post by Richo » Wed, 29 Jun 2016, 20:54

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.
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jonescg
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EV challenge to end all challenges?

Post by jonescg » Wed, 29 Jun 2016, 21:47

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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EV challenge to end all challenges?

Post by Richo » Fri, 01 Jul 2016, 21:06

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?!?
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jonescg
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EV challenge to end all challenges?

Post by jonescg » Fri, 01 Jul 2016, 22:23

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 » Fri, 01 Jul 2016, 23:45

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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EV challenge to end all challenges?

Post by Richo » Mon, 04 Jul 2016, 20:56

Ok I'm in - Looks achievable Image

Com'on ppl Flash that cash Image
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