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-   -   Electronics Tesla unveil Semi, new Roadster, & also teased a "pickup truck" (https://www.chiefsplanet.com/BB/showthread.php?t=311604)

cooper barrett 11-17-2017 07:51 PM

Quote:

Originally Posted by DaFace (Post 13222136)
Well, sure, but you realize they have "real" brakes too, right? They just don't need them as much.

Electric brakes on an electric semi? I'm waiting to see what they do for redundancy systems which are normally reduced capacity.

I am not sold on pure fly by wire brakes either but thats what we are all going to have soon.

aturnis 11-17-2017 08:35 PM

Quote:

Originally Posted by Rain Man (Post 13222046)
As someone who drives cars, I'm not sure that I want to share the road with semis that have really fast acceleration.

Why not? Should do wonders for traffic congestion. Especially in LA area.

Sent from my Nexus 7 using Tapatalk

aturnis 11-17-2017 08:37 PM

Quote:

Originally Posted by cooper barrett (Post 13222110)
or one that probably will need new brakes and interior fabric when the "never need brakes again" truck goes down the grade he bragged about it going up....

Man, you really don't understand electric drive trains do you?

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aturnis 11-17-2017 08:37 PM

Quote:

Originally Posted by morphius (Post 13222117)
Cummings already came out with theirs, 100 mile range

Don't forget, Class 7 also

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aturnis 11-17-2017 08:41 PM

Quote:

Originally Posted by prhom (Post 13222128)
I know it’s not a 9-volt battery powering the car. I said they should be considering how to make the batteries swappable. Clearly they are not right now. You would need some infrastructure and powered lift equipment but they need to consider that especially for the trucks. Have them lower from under the vehicle so you drive over a pit like an oil change and they lower the batteries on a hydraulic lift or something like that.

They've done it. People weren't terribly interested. Costs too much for customers and Tesla isn't interested in negative revenue programs to make it affordable.

80% charge in 20 minutes not good enough?

Probably 400-500 miles in 20-30 minutes for the new Roadster.

Mind you, you'll have a full battery every morning upon waking up. How often do most people drive more than 200 or 300 miles in a day? I drive more than most daily, and I don't touch that.

https://youtu.be/FE81S26XG8c

cooper barrett 11-17-2017 08:56 PM

Quote:

Originally Posted by cooper barrett (Post 13222133)
Its a class 7 used for regional shipping. I think they are increasing that and adding on the road charging options to it. It is there first rodeo in electric.



Quote:

Originally Posted by aturnis (Post 13222170)
Don't forget, Class 7 also

Sent from my Nexus 7 using Tapatalk

I won't.

cooper barrett 11-17-2017 09:05 PM

Quote:

Originally Posted by aturnis (Post 13222169)
Man, you really don't understand electric drive trains do you?

Sent from my Nexus 7 using Tapatalk

You might be surprised. When up until recently EV and HB cars have been very light, now we are talking about 80,000lbs vs 3-5000lbs.
I am saying, I want to see the redundancy systems for brakes that they use.

Buehler445 11-17-2017 11:21 PM

What the hell kind of rubber do you have to have on a truck to get to 60 in 20 seconds weighing 80? Given how my 30 HP electric irrigation motors make my electric meter sing like a songbird, I can't imagine what hooking up a few trucks will do. Whee!

I'd be on board though. As long as it has solid connections for the rough ass roads in my neck of the woods, I can put 100,000 on it (but if anybody asks, it was 85 when I pulled out of the shop), and it can handle a ridiculous amount of dust from the county roads.

Quote:

Originally Posted by Hydrae (Post 13221265)
Those are some amazing number but this one is the most mind-bottling IMO:

In convoy mode, beats rail on economics

I would be interested in the math on that. Pure transportation costs, I doubt, but if you're going to add in costs for loading/unloading I'd like to know what those are. It may be just a semi trailer on a flat train car. Those numbers would be easier to believe.

listopencil 11-18-2017 01:27 PM

I've been vaping for a while and I keep my eye/ear out for li-on battery news. Industries like this push development and we seem to end up with whatever batteries are most popular and stable. I've heard that someone had a breakthrough recently with solid state lithium ion batteries. Could be a huge game changer.

stevieray 11-18-2017 01:41 PM

0-60 in 1.9?

too much power for the street ,

people will get hurt.

JakeF 11-18-2017 03:50 PM

Graphene batteries are coming

Rain Man 11-18-2017 03:56 PM

I'd never really thought about it, but it seems like semis are the best use of Tesla technology. I wonder why they haven't built one before.

scho63 11-18-2017 04:00 PM

If someone discovers a way to recharge the battery in less than 10 minutes or creates a swap system, it's game over.

cooper barrett 11-18-2017 04:06 PM

I's going to have to have a generator onboard to charge it under emergencies. That's what Cummins is going to do.

JakeF 11-18-2017 04:12 PM

Quote:

Originally Posted by scho63 (Post 13222970)
If someone discovers a way to recharge the battery in less than 10 minutes or creates a swap system, it's game over.

https://electrek.co/2017/11/14/fiske...electric-cars/

“Fisker’s solid-state batteries will feature three-dimensional electrodes with 2.5 times the energy density of lithium-ion batteries. Fisker claims that this technology will enable ranges of more than 500 miles on a single charge and charging times as low as one minute—faster than filling up a gas tank.”


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