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ME_Andy 08-23-2016 10:58 PM

How much faster will Teslas get?
 
With today’s announcement that Tesla Motors is rolling out a yet-faster sedan, it becomes the third-quickest production sedan in the world. That’s after the Porsche 918 Spyder ($847,000) and the LaFerrari ($1.4 million) – both of which are dedicated coupes, whereas the Tesla is a large, 4-door luxury sedan which starts at $135,000. Incredible! If it wasn’t already clear that electric vehicles are the future, this should do it for you.

But I’m pondering: how much faster could a Tesla be? This heavy sedan does 0-60 in 2.5s and it’s made from aluminum. I would imagine that an updated roadster, seating two and made from carbon fiber, will be able to break two seconds.

And that leads to my next question: will Tesla detune its cars to protect their fragile drivers? In other words, when Teslas start pulling several G’s, will Elon Musk have to limit his cars’ acceleration to avoid snapping the human neck? Nah, I don’t think it’s in his nature to do something like that.

from HomeGrown

UltArc 08-23-2016 11:07 PM

The weight may be an advantage for better traction. Our limiting factor to accelerating faster is traction.

And isn't the P100D (S) the fastest accelerating vehicle to be in production, technically? I haven't done my homework on it, yet.

ME_Andy 08-23-2016 11:12 PM

Quote:

Originally Posted by UltArc (Post 521316)
And isn't the P100D (S) the fastest accelerating vehicle to be in production, technically? I haven't done my homework on it, yet.

I guess it is the fastest currently in production. Only 918 Spyders were made and I guess the LaFerrari is out of production, too. Here's the definitive source:
https://www.tesla.com/blog/new-tesla...tion-car-world

Xist 08-24-2016 01:17 AM

Also, you say third-fastest sedan, but state the top two are coupes. So, fastest sedan, while there are two faster coupes, right?

jamesqf 08-24-2016 01:26 AM

Quote:

Originally Posted by ME_Andy (Post 521315)
whereas the Tesla is a large, 4-door luxury sedan which starts at $135,000.

Which rather begs the question: when are they going to start building more Roadsters, or something with a similar sensible-for-a-single-person body plan?

RedDevil 08-24-2016 05:33 AM

I think it is becoming obvious what Faraday Future's future will look like...
Tire grip is now the limiting factor in very fast electric cars; the S P100D will be very hard to beat; grippier tires and more downforce are the way to go for that. Which would compromise the record breaking range (over 300 miles on a single charge)

The battery size is the real news.
It will reduce charging time versus driving time as it will be able to take a bigger current than the smaller packs; likewise it would suffer less from receiving the same current.
The larger range allows more options for visiting charging points along a long trip.

Performance, range, space, luxury... This is the ultimate no compromise car.

jakobnev 08-24-2016 07:15 AM

Oh yeah, my car can do it in 2.8! *cough*in free fall*cough*

Wait.. that thing is even faster.

rmay635703 08-24-2016 10:23 AM

Quote:

Originally Posted by RedDevil (Post 521333)
...
Tire grip is now the limiting factor in very fast electric cars; the S P100D will be very hard to beat; grippier tires and more downforce are the way to go for that. Which would compromise the record breaking range (over 300 miles on a single charge)

You do know systems exist that allow downforce when you need it and kamback when you don't right?

Automatically Adjustable air foils were banned in racing sometime in the 1970s

NeilBlanchard 08-24-2016 12:35 PM

The new Model S P100D is THE quickest sedan, and the third quickest production car. Ever.

The quicker cars are both 2 seaters and they cost well over $1M and they are no longer in production.

They may be able to make them quicker, but it is only for bragging rights.

jamesqf 08-24-2016 01:00 PM

Quote:

Originally Posted by rmay635703 (Post 521347)
You do know systems exist that allow downforce when you need it and kamback when you don't right?

There is no aerodynamic downforce when you're not moving, you know, and not a heck of a lot under 40 mph or so. Barring wind, of course, and it's pretty hard to guarantee that you'll have strong headwinds blowing in the right direction when you want them :-)

UltArc 08-24-2016 01:43 PM

Quote:

Originally Posted by jamesqf (Post 521361)
There is no aerodynamic downforce when you're not moving, you know, and not a heck of a lot under 40 mph or so. Barring wind, of course, and it's pretty hard to guarantee that you'll have strong headwinds blowing in the right direction when you want them :-)

Since the P90D came out, I was thinking the only way to get faster has been done already. . . Chaparral 2J.

This eeriely mimics my thought process on the topic of "quickest" production car: Is The Tesla Model S P100D Really The Quickest Production Car Ever?

redpoint5 08-24-2016 05:32 PM

I don't like the idea of converting energy into downforce when I want to go forward.

If I need more thrust than my tires can provide, I'll just strap a JATO or 3 to my car...

https://www.youtube.com/watch?v=cHUsGFGhfmk

jamesqf 08-25-2016 12:08 AM

Quote:

Originally Posted by UltArc (Post 521370)
Since the P90D came out, I was thinking the only way to get faster has been done already...

But quick and fast are entirely different things. Quick is how long it takes to get to a certain speed, usually 0-60. The Tesla is quick, but it is not particularly fast for a high-performance car - at least per Google, which says it's limited to 155 mph, while the Bugatti Veyron can reach over 250 mph.

UltArc 08-25-2016 06:47 AM

Quote:

Originally Posted by jamesqf (Post 521406)
But quick and fast are entirely different things. Quick is how long it takes to get to a certain speed, usually 0-60. The Tesla is quick, but it is not particularly fast for a high-performance car - at least per Google, which says it's limited to 155 mph, while the Bugatti Veyron can reach over 250 mph.

Quote:

Originally Posted by UltArc (Post 521370)
Since the P90D came out, I was thinking the only way to get faster has been done already. . . Chaparral 2J.

This eeriely mimics my thought process on the topic of "quickest" production car: Is The Tesla Model S P100D Really The Quickest Production Car Ever?*

My message would be clearer if the included link was reviewed. I share your view that general "fast" is closer to top speed, while "quick" refers to acceleration.

That article also notes production cars, while the Buggatti Veyron is no longer in production. My comment on faster was an adjective referring to acceleration, mainly that to get a faster acceleration, we are at our limit without new tire grip levels, or without more downforce. Of course, aerodynamic downforce doesn't occur while stationary- but the 2J can adjust that.

MetroMPG 08-25-2016 10:09 AM

Never mind physical limits, what about digestive tract limits??

I have seen one review of the P90D in which the "car guy" reviewer says the rate of ludicrous acceleration actually made him feel nauseous. I've read a few others where the word "vertigo" is used (maybe also implies nauseous).

pgfpro 08-25-2016 10:37 AM

I seen a video of the Tesla engineers talking about the 0 to 60 mph times and could be even better if the road conditions and a better tire (slick) was used. So the Tesla is detuned some what.

RedDevil 08-25-2016 10:55 AM

Quote:

Originally Posted by MetroMPG (Post 521417)
Never mind physical limits, what about digestive tract limits??

I have seen one review of the P90D in which the "car guy" reviewer says the rate of ludicrous acceleration actually made him feel nauseous. I've read a few others where the word "vertigo" is used (maybe also implies nauseous).

Nothing compared to a glider winch start.

https://www.youtube.com/watch?v=yIsd2vxokyc
(liftoff around 2:00)

When the cable gets pulled taut the plane gets moving languishly. Then BOOM comes the power, and two seconds later you get jerked up high in the sky at a near 60° angle; and as you are laying almost flat in the plane, your feet are way up above your head.
Nausea is instantaneous, but just as you get aware peace returns as you're ascending at a constant rate with just the sound of wind rushing over the canopy and the occasional burr, rattle and clatter.
One small jump when the cable releases and you're flying.

Making matters worse you are not in control of the acceleration unlike the car thing.

jamesqf 08-25-2016 01:53 PM

Quote:

Originally Posted by UltArc (Post 521415)
...that to get a faster acceleration, we are at our limit without new tire grip levels, or without more downforce.

Or a different propulsion system altogether: https://en.wikipedia.org/wiki/ThrustSSC Though per Google, its 0-60 times aren't all that impressive.

UltArc 08-25-2016 04:51 PM

Quote:

Originally Posted by jamesqf (Post 521434)
Or a different propulsion system altogether: https://en.wikipedia.org/wiki/ThrustSSC Though per Google, its 0-60 times aren't all that impressive.

Is that street legal? Lol

jamesqf 08-26-2016 12:53 AM

Quote:

Originally Posted by UltArc (Post 521441)
Is that street legal?

You might have to add lights and mirrors. And maybe increase the turn radius. On the bright side, it'd sure discourage tailgaters :-)

freebeard 08-26-2016 11:53 AM

EVTV have exclusive exclusive distribution rights (USofA? North America?) to the Quaife limited slip differential for the Model S.

The Tesla's torque vectoring acts by retarding the faster side of the car. Quaife's best selling unit is for BMWs that also have torque vectoring because it makes them faster around a race track. EVTV's interest is in putting the drivetrain in cars that don't have the same wheel hubs, but they (2ea for AWD) should make a stock Model S quicker.

UltArc 09-15-2016 02:55 AM

:D

This Ariel Fan Car Uses Banned Technology To Solve One Of Sports Cars' Biggest Problems

Edit: this is my 2,000th post!


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