Tesla D: dual drive + insane mode - Slate.com - Ford Inside News Community
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post #1 of 14 (permalink) Old 10-10-2014, 04:26 PM Thread Starter
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Tesla D: dual drive + insane mode - Slate.com

Tesla’s New Model Is Insanely Fast, Has “Autopilot” - Slate.com
10 / 10 / 14
Will Oremus, Slate's senior technology writer


image: Green.Autoblog

Tesla on Thursday night showed off a new line of dual-motor, all-wheel-drive versions of its Model S sedans, the fastest of which will sprint from 0 to 60 miles per hour in a breakneck 3.2 seconds. That will put it in a class with the quickest production cars on the road.

“Dual-motor,” as many suspected, is what the “D” stood for in CEO Elon Musk’s cryptic tweet last week announcing Thursday’s event. Tesla will introduce three new “D” trim lines for the Model S: the lower-end 60D, the 85D, and the top-of-the-line P85D. The latter will come with three performance settings, Musk said Thursday: “normal,” “sport,” and, um, “insane.”

The front and rear motors, Musk explained, will allow a form of all-wheel drive that is more dynamic and sophisticated than the mechanical systems found in conventional, single-engine all-wheel-drive cars. The result will be a more efficient powertrain that can transfer power seamlessly between the front and rear axles, giving the car not only better handling and acceleration but a greater range and higher top speed.

Those who read Musk’s tweet will recall that he also promised “something else.” That turned out to be an “A:” autopilot mode. And it is already being added to the Teslas that are coming off the assembly line today.

The autopilot system, Musk said, includes a forward-looking radar and ultrasonic sensors on all sides that can sense “even soft objects, like a small child or even a dog.” Among other things, the system will be able to tell “if there’s a car in your blind spot, or if you’ve got a highway barrier on one side,” he added...

UPDATE, Oct. 10, 2014, 12:11 a.m.: Musk didn't mention the price of the new top-of-the-line P85D during the event, but reports are that it will not come cheap: The Street's Chris Ciaccia tweeted that it may start at $120,000 to $170,000.

The autopilot features, on the other hand, will not cost any extra, and are in fact have already been shipping with all Model S cars produced in the past two weeks.

UPDATE 2, Oct. 10, 2014, 9:34 a.m.: The new models are now available for order on the Tesla website, and the prices are not as high as the range cited above. The dual-motor all-wheel drive system adds $4,000 to the price of the two existing trim lines of the Model S, so that the 60D and 85D start at $75,000 and $85,000, respectively, before subtracting a $7,500 federal tax credit. The "tech package with autopilot" adds another $4,250, so that you can get a 60D with both all-wheel-drive and autopilot for under $80,000.

The high-performance P85D, meanwhile, starts at $95,000 before the rebate, and dual-motor and autopilot push it to $120,000. There are a few other options you can add, but I was unable to get the price any higher than $140,000. I am not sure where The Street's $170,000 figure came from. (I had previously embedded Ciaccia's tweet mentioning that price, but since it might be confusing, I've removed it.)

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post #2 of 14 (permalink) Old 10-10-2014, 05:16 PM Thread Starter
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Re: Tesla D: dual drive + insane mode - Road&Track

FIRST LOOK Tesla Model S P85D: Dual motors, AWD, 691 hp, 3.2 to 60 - Road&Track
The state of the art just got a serious upgrade

By Chris Cantle October 9, 2014 / Photos by Chris Cantle

...The short of it is this, you can now get the Model S with dual motors. The new setup adds a medium-sized motor just behind the front axle and makes the cars all-wheel drive. All three new models—the 60D, 85D, and P85D—use the same 188-hp front motor. The 60D and 85D use it on the rear axle as well. The supercar-grade P85D, however, keeps the existing 470-hp motor in back for a monstrous 691-hp / 687 lb-ft combo.

The dual-motor setup Tesla shaves a second from the already quick P85’s 0-60 time. The P85D hits that mark in just 3.2 seconds. That’s faster than a Dodge Charger Hellcat or a Porsche Panamera Turbo S. The quarter mile mark arrives in 11.8 seconds. It feels incredible from inside the car—electric motors hum hard and then 60 happens. Almost instantly. Musk said that they benchmarked the McLaren F1 for acceleration performance. If not for the badge in back and the red brake calipers, you'd be hard pressed to tell the P85D from the regular single-motor P85.

Both the 60D and 85D shave two tenths off their acceleration and quarter-mile times and add 10 miles of range, the latter thanks to the additional regen capacity from the second motor. The 85D will now travel 295 miles on a single charge—tantalizingly close to the magic 300-mile mark. The 60D will travel 225 miles before needing to be plugged back in.

There’s autopilot too, a spookily sophisticated semi-autonomous drive system. The car senses road signs with optical cameras, and a 360 degree sonar keeps an eye on barricades and traffic. When traffic slows, so does the Tesla, even to a dead stop. Lanes can be changed with a flick of the turn-signal indicator stalk. When the car isn’t doing the driving, the Model S will provide feedback through the steering wheel if your merge isn’t up to snuff.

The brakes bring big news, too. Rather than use a vacuum brake booster, Tesla uses an electromechanical brake setup. The feeling under your foot comes from the resistance of a spring and an electric motor. Tesla VP of vehicle engineering Chris Porrit says it's like a steering rack on its side. The Porsche 918 is the only other production car using this system. The arrangement gives Tesla great flexibility with the automatic brakes in autopilot mode. The car can call for high-g braking in panic stops or gentle, chauffeur-style slowdowns. Concerned about brake feel? Tesla can tune it.

Musk says "there’s an expectation of a driver in the loop" with the new autopilot tech, but we can expect a fully autonomous car in the next five or six years. It’s scary and exciting at the same time. After all, we humans are increasingly incidental to the driving experience. Right now, things are at the limit of what regulations allow.

Oh, and this technology has been installed on every car made in Tesla's factory for the last two weeks. Tesla's future? It's now.

specs...

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post #3 of 14 (permalink) Old 11-03-2014, 07:16 PM Thread Starter
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Re: Tesla D: dual drive + insane mode + more - MotorTrend

FIRST TEST: 2015 Tesla Model S P85D - MotorTrend.com
Insane, Defined:
1. Cannot distinguish fantasy from reality; subject to uncontrollable impulsive behavior
2. Mentally deranged
3. Tesla Model S P85D

By Kim Reynolds | Photos By Michael Shaffer | November 03, 2014


...Musk: "Our goal was to match one of the fastest cars ever made: the McLaren F1." Somewhere in England, Gordon Murray's porcupine eyebrows have just elevated three inches. Can the F1 designer's fabled carbon-fiber, 627-hp, Ferrari-humbling masterpiece actually be paced to 60 mph by a five-seat sedan with a trunk sized for a Home Depot haul?...

...But scrambling to the same 60 mph time in the P85D bears no resemblance to that at all. With one transmission gear and no head-bobbing shifts, it's instead a rail-gun rush down a quarter-mile of asphalt bowling lane. Nothing in the drivetrain reciprocates; every part spins. There's no exhaust smell; the fuel is invisible. The torque impacts your body with the violence of facing the wrong way on the train tracks when the whistle blows. Within the first degree of its first revolution, 100 percent of the motors' combined 687 lb-ft slams the sense out of you. A rising-pitch ghost siren augers into your ears as you're not so much accelerating as pneumatically suctioned into the future. You were there. Now you're here.

The wormhole between the two is courtesy of a second motor on the front axle. At 221 hp, it's smaller than the P85+'s existing 470-hp rear machine (total: 691), and for the non-Performance 60- and 85-kW-hr Dual Motor Model S, it'll be the rear motor, too. Lift the front trunk's lid (the frunk, they call it), and you're struck by how much all of this was anticipated back when the Model S was penned. What was a recessed cavity near the firewall becomes the new forward engine room with enough left to swallow a duffle bag and retain its terrific 5-star frontal crash performance. Equal-length front halfshafts thread through new branched chassis rails and hub uprights—and that's about it...

...How will the psychological landscape among the One Percenter Mercedes-Benz AMG, Audi RS, and BMW M crowd be recast if, when a Tesla Model S P85D rolls up at a light, it's game over, guys? Brace yourself, Teutonic Status Quo, because the quickest-accelerating sedan in the world isn't German anymore. It's from California. As they say in Palo Alto: Auf Wiedersehen!

PAGE 2: AutoPilot, Gallery, & Links

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post #4 of 14 (permalink) Old 11-03-2014, 08:03 PM
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Re: Tesla D: dual drive + insane mode - Slate.com

These articles are written as nigh on marketing pieces for Tesla, and the truth is were one to peruse quarter mile trap speeds one would understand that not long after 60 mph that the current crop of super sedans began to usurp the P85 D's authority.


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post #5 of 14 (permalink) Old 11-03-2014, 08:38 PM Thread Starter
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Re: Tesla D: dual drive + insane mode - Slate.com

NOTHING to do with anybody else or any other post;
I just like this:


swiped from guionM @ GMI
The last Cadillac CTSv has an 18 gallon fuel tank and averaged 16mpg combined....that's 288 miles.....7 miles LESS than the Tesla.

More range perspective:

The Z/28's range is only 266, the same as the supercharged Mustang Cobras were.
ZL1 isn't much better than Tesla's at 304

The Chevy SS sedan's range is 306, only 11 miles better.

Range is by no means an issue with Tesla. It's range is right in line with a large number of cars in showrooms right now. The only question is refueling time, and at the moment the "supercharger" takes an hour if the battery's drained. They are also setting up battery "swap" stations as well.

Finally, if you're saying Teslas are only for the rich, there's a whole world of other cars you may as well throw into that group. Teslas range from $69K to $90K. That means you can get a Tesla cheaper than a CTSv (gas guzzler tax vs tax rebate), Escalade (even without rebates).

Base price on a P85d starts is no more than a BMW M5 (and again, less with the tax rebate), and likely the Z06 Corvette as well.

Can everyone afford it? Nope. And there isn't a thing wrong with that either. Not everyone can afford to order a V8 in their Mustang or Camaro either.

Tesla's come a long, long way in changing the perception of electric powered vehicles. I think the Tesla is in an area that makes absolute sense. Electric power is expensive, and it's cars in it's class that tend to be the biggest gas eaters and quickest rides. Tesla is in a spot where it makes a lot more sense than Nissan Leafs (does Nissan actually make money on then?) or other money losing rides way down on the cheap end that are sold at losses just to gain CAFE points to sell more trucks.

cool perspective imho

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post #6 of 14 (permalink) Old 11-03-2014, 08:55 PM
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Re: Tesla D: dual drive + insane mode - Slate.com

Quote:
Originally Posted by 2b2 View Post
The only question is refueling time, and at the moment the "supercharger" takes an hour if the battery's drained. They are also setting up battery "swap" stations as well.
Until they solve the above pure electric will remain a niche.

Swap stations sound great and all, but they'll never be as numerous as gas stations. If getting to one takes nearly as long as charging the existing battery does what is the point?
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post #7 of 14 (permalink) Old 11-03-2014, 09:23 PM Thread Starter
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Re: Tesla D: dual drive + insane mode - Slate.com

incidentally ^
at the Drive Electric festival this year,
the guy who kindly let me sit in his Model S,
had driven it all the way from SanDiego to Alaska.
The Festival was a bit too festive to get a lot of detail on how easy/hard that was to do...

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post #8 of 14 (permalink) Old 11-03-2014, 09:33 PM
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Re: Tesla D: dual drive + insane mode - Slate.com

Quote:
Originally Posted by 2b2 View Post
^ so the Tesla P85D is the quickest LEGAL car? (or amongst the quickest)


&
swiped from guionM @ GMI
The last Cadillac CTSv has an 18 gallon fuel tank and averaged 16mpg combined....that's 288 miles.....7 miles LESS than the Tesla.

More range perspective:

The Z/28's range is only 266, the same as the supercharged Mustang Cobras were.
ZL1 isn't much better than Tesla's at 304

The Chevy SS sedan's range is 306, only 11 miles better.

Range is by no means an issue with Tesla. It's range is right in line with a large number of cars in showrooms right now. The only question is refueling time, and at the moment the "supercharger" takes an hour if the battery's drained. They are also setting up battery "swap" stations as well.

Finally, if you're saying Teslas are only for the rich, there's a whole world of other cars you may as well throw into that group. Teslas range from $69K to $90K. That means you can get a Tesla cheaper than a CTSv (gas guzzler tax vs tax rebate), Escalade (even without rebates).

Base price on a P85d starts is no more than a BMW M5 (and again, less with the tax rebate), and likely the Z06 Corvette as well.

Can everyone afford it? Nope. And there isn't a thing wrong with that either. Not everyone can afford to order a V8 in their Mustang or Camaro either.

Tesla's come a long, long way in changing the perception of electric powered vehicles. I think the Tesla is in an area that makes absolute sense. Electric power is expensive, and it's cars in it's class that tend to be the biggest gas eaters and quickest rides. Tesla is in a spot where it makes a lot more sense than Nissan Leafs (does Nissan actually make money on then?) or other money losing rides way down on the cheap end that are sold at losses just to gain CAFE points to sell more trucks.

cool perspective imho
You may want to peruse what I said in the aformentioned post a bit closer because none of the things which you commented are were things that I spoke of. My point was simply that it is nigh on idiocy to speak of the P85 D's 11.6 elapsed time without speaking of the significant disparity in trap speed as compared to the segment leaders.


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post #9 of 14 (permalink) Old 11-03-2014, 10:01 PM Thread Starter
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Re: Tesla D: dual drive + insane mode - Slate.com

Quote:
Originally Posted by 2b2 View Post
NOTHING to do with anybody else or any other post;
I just like this:


swiped from guionM @ GMI

....fixed ^

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post #10 of 14 (permalink) Old 11-03-2014, 11:14 PM
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Re: Tesla D: dual drive + insane mode - Slate.com

Quote:
Originally Posted by SP1966 View Post
Until they solve the above pure electric will remain a niche.

Swap stations sound great and all, but they'll never be as numerous as gas stations. If getting to one takes nearly as long as charging the existing battery does what is the point?

Very true. Batteries need to slide into place or just snap into place and be very easy like changing say a Camera battery. It will have to be as quick as filling up a car with gas. People are impatient and sometimes filling up is just too long to wait.
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