University of Michigan recruiting talk info-dump

[dpeilow]

Hmm...I'm still getting invalid url. I'm using uTorrent 1.6.1

They're up to 2.2 now. The DHT seams a lot faster.

 

[TEG]

it looked like it was daytime to me ?

They might have been talking about the indoor video that shows off the bare chassis...

 

[Todd Burch]

They might have been talking about the indoor video that shows off the bare chassis...

Or they were finishing editing it that night.

 

[jtibble]

Regarding the motor's 5000RPM-at-75mph thing, he did mention that it was at the "current gear ratio" with, which his tone, suggests that it's not been finalized.

 

[aviators99]

it looked like it was daytime to me ?

*edit* wouldn't it be easier to upload the mp3 to something like sendspace, mediafire or divshare?

I took it to mean that it was 11:30am on Christmas eve day.

 

[rsquared99]

That's what I thought too. I thought they might have done it then because there wouldn't be much traffic on their public road video location.

 

[Tommy]

Edit: Ignore this, it started downloading

Getting "invalid url" for the trackers that are included in that torrent. Changed them to http from udp and one of them started working-Shark2k

FYI forum members trying to download file: I tried also to download and got the same "invalid url". I have an imac with tiger OSX and the torrent software I use does not have the capability to edit the torrent address. Long and short had to use the Windows side of the imac. The windows version of the torrent software allowed me to change the "udp" to "http" and I was able to download the mp3 file after that.

I found it fascinating to listen to the engineer talking about twice as fast as I would find comfortable speaking; really reinforced the point he made about Tesla doing everything at a really quick pace.

 

[jtibble]

Hey all,

The speaker contacted me and would like the recording removed. Just a heads-up.

-John

 

[vfx]

I guess Tommy's comment embarrassed him.

 

[bolosky]

Keep the redline low so that you are always in the flat torque region? Would have to be a torque monster like you say, for that gearing.

The best way to think about the Roadster torque curve is that it has three parts: the flat region, which is limited by the motor; the linearly declining region, which is limited by the input power (the ESS), and then the superlinearly declining region which I think is also related to motor performance at very high RPM. Because the linear region is related to the battery, nothing you can do later in the powertrain will make it better, though you can make it worse. So, if you were to increase the gearing the in the Roadster, you would be in the flat region longer, but only because you're delivering lower overall torque, so it hits the power limit later. That is, it would be a strict loser in terms of 0-60 time.

The way to think of the gearing tradeoff is that lower gearing means greater low-end torque, faster 0-60 times, an earlier start to the linear region and lower top speed. Higher gearing is the opposite. Since top speed probably isn't that big of a concern in the Model S, I wonder why (if) they really went to higher gearing.