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VolvoHeretic
VolvoHeretic Dork
9/12/23 11:40 a.m.
gixxeropa
gixxeropa Reader
9/12/23 12:12 p.m.

140kg or 180kg with driver, dang. I wonder how much slower it would be with me as the driver (although I probably wouldn't fit) 100kg vs 40kg

Recon1342
Recon1342 SuperDork
9/12/23 12:14 p.m.

In reply to VolvoHeretic :

I just came here to post this. Not nearly violent enough for that kind of acceleration. Where's the flames and lightning and wheelspin?

Still- Holy E36 M3 that's fast.

 

Edit to add- They need to take that thing to a long straightaway somewhere and figure out the top speed. 

nlevine
nlevine Reader
9/12/23 12:22 p.m.

I, for one, appreciate the MATLAB screenshot at the 20-second mark in the video...

GameboyRMH
GameboyRMH MegaDork
9/12/23 12:28 p.m.

Looks like the underbody suction is being generated by just a few small fans, that's interesting...looks like fans of different types too.

Keith Tanner
Keith Tanner MegaDork
9/12/23 12:40 p.m.

It's like watching an RC car launch. I'll bet that's a pretty intense experience.

Looks like a lot of custom-built circuit boards in an early shot. And I love seeing the car spike into the ground when the fans come on. There's nothing gradual about this thing.

Tom1200
Tom1200 PowerDork
9/12/23 12:43 p.m.

This is the exact type of EV car I had in mind when I said having an EV autocross car...................cool stuff.

Driven5
Driven5 UberDork
9/12/23 1:03 p.m.
Recon1342 said:

They need to take that thing to a long straightaway somewhere and figure out the top speed. 

It actually might not be capable of going much faster than that. That looks to be a (modified?) Formula Student (Formula SAE) Electric car, which are designed around dynamic events that don't get much over 60mph anyway.

bobzilla
bobzilla MegaDork
9/12/23 1:08 p.m.

I was kinda hoping it was a production car but still... damn. Make sure your head is against the head rest. Did it show the g-load on the driver? 

gixxeropa
gixxeropa Reader
9/12/23 1:23 p.m.

In reply to bobzilla :

saw someone had calculated it to about 3G, don't feel like doing the math to confirm that, though

nlevine
nlevine Reader
9/12/23 1:29 p.m.

In reply to Driven5 :

They claim a top speed of 124 km/hr for the car, or ~77MPH. It's a re-purposing of their 2019 chassis. These guys have been at the Formula Student game for a while - https://amzracing.ch/en

 

bobzilla
bobzilla MegaDork
9/12/23 1:30 p.m.

In reply to gixxeropa :

Woof. You're gonna feel that. 

Keith Tanner
Keith Tanner MegaDork
9/12/23 1:31 p.m.

100 km/h is 27.7 m/s, and it gets there in basically 1 second. 1G is 9.8 m/s^2, so a quick division says roughly 2.8G average acceleration.

Berck
Berck Reader
9/12/23 1:35 p.m.

You can always have Wolfram Alpha do it for you: 2.96G.  But that assumes constant acceleration and it never is.  That launch looked like a *lot* more than 2.9.

gixxeropa
gixxeropa Reader
9/12/23 1:39 p.m.

The european FSAE teams get so much support from industry its just wild. Meanwhile in the US we were begging for scraps from the engineering department lol

jharry3
jharry3 Dork
9/12/23 1:42 p.m.

((62 miles/hr x 5280 ft/mile)/3600 sec/hr)/0.956 sec = 95.1185 ft/sec^2.  Divide by 32.2 ft/sec^2 per g and you get 2.95 g.

bobzilla
bobzilla MegaDork
9/12/23 1:45 p.m.

Look folks, I'm a college drop out parts dude that barely passed calculus in high school 30 years ago. All this maths is hard. 

Loweguy5
Loweguy5 Dork
9/12/23 1:45 p.m.

Wow that is impressive.  Take that Z06 Corvette!

bobzilla
bobzilla MegaDork
9/12/23 1:50 p.m.

In reply to Loweguy5 :

Yeah... but which one can do it to 100mph? Or drive on the street? Comparing a track car to a street car is kinda disingenuous. 

j_tso
j_tso Dork
9/12/23 1:58 p.m.
VolvoHeretic said:

Kind of anti-climatic.

Seriously, 2 minute video for less than a second of action?

Pretty intense. Did these guys just get themselves a ticket to the Goodwood hillclimb?

Recon1342
Recon1342 SuperDork
9/12/23 1:59 p.m.

In reply to bobzilla :

I want to see someone apply this tech to a Bonneville car. Fastest standing mile? Something...

VolvoHeretic
VolvoHeretic Dork
9/12/23 2:01 p.m.
j_tso said:
VolvoHeretic said:

Kind of anti-climatic.

Seriously, 2 minute video for less than a second of action?

Pretty intense. Did these guys just get themselves a ticket to the Goodwood hillclimb?

I was expecting it to last more than one second and more than 62mph. laugh

bobzilla
bobzilla MegaDork
9/12/23 2:03 p.m.
Recon1342 said:

In reply to bobzilla :

I want to see someone apply this tech to a Bonneville car. Fastest standing mile? Something...

Dude.... that would be amazing. Traction on the salt will be a problem and the amount of juice you'll need. But still amazing to watch.

Keith Tanner
Keith Tanner MegaDork
9/12/23 2:06 p.m.
j_tso said:
VolvoHeretic said:

Kind of anti-climatic.

Seriously, 2 minute video for less than a second of action?

Yeah, if it was a proper YouTube channel it would be split into 5 25 minute videos.

That was a perfect length. Just enough information to set the scene, then multiple shots of the launch, then some reaction. 

Keith Tanner
Keith Tanner MegaDork
9/12/23 2:06 p.m.
bobzilla said:
Recon1342 said:

In reply to bobzilla :

I want to see someone apply this tech to a Bonneville car. Fastest standing mile? Something...

Dude.... that would be amazing. Traction on the salt will be a problem and the amount of juice you'll need. But still amazing to watch.

Do it at the Texas Mile, no traction problem.

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