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Much like a modern computer that can actually sleep in between keystrokes, the dual motor Model S will quickly torque sleep a drive unit when torque is not needed and instantly wake it up as the accelerator is pressed to command more torque. It continues spinning while asleep and the digital torque wake up is so fast that the driver can’t perceive it. It is far superior to the slow and awkward engine startup on stop-start hybrid vehicles.
^^^^ This. Although I was confident that they would make it right as that's been their pattern (say something, put it out, get complaints, fix).I want to take a moment and thank everyone at Tesla Motors who put effort into putting out this communication. It helps restore my confidence.
I regret the 90% argument although I don't know if I am the only one that started that. I have seen it repeated and ever since the EPA numbers came out with no mention of the charge requirement and 250 miles for 19" tires it stopped making sense.I do think we can stop with the pointless 90% state of charge argument and a lot of other theories about what is causing the reduced range on the P85D (including my own). Looks like the EPA number coming in lower (even with the torque sleep in the new numbers) is just the way the car is setup for performance. The cars in the hands of customers not meeting the efficiency expected with the EPA numbers is a matter of missing the torque sleep.
Yay! Highlights:
1 Values for 85D and P85D are pending final confirmation from the EPA and use new dual motor torque sleep control software available by the end of January 2015.
2 Using new torque sleep control software available end of January 2015.
Despite this aerodynamic challenge, highway cruising is where the unique benefit of the dual motor cars, to torque sleep one of the drive units when not in use, is most apparent. Much like a modern computer that can actually sleep in between keystrokes, the dual motor Model S will quickly torque sleep a drive unit when torque is not needed and instantly wake it up as the accelerator is pressed to command more torque. It continues spinning while asleep and the digital torque wake up is so fast that the driver can’t perceive it. It is far superior to the slow and awkward engine startup on stop-start hybrid vehicles.
The software update to implement torque sleep will be downloaded to the dual motor fleet by the end of January 2015 and will substantially improve the range of dual motor vehicles by roughly 10%. All tables and graphs in this paper are shown including the benefits of torque sleep.
I am extremley glad the blog is out, but I am also curious about some of this you write about here. Because the numbers for the non-D versions seems to have magically improved.... Or am I missing some vital piece of info here?I regret the 90% argument although I don't know if I am the only one that started that. I have seen it repeated and ever since the EPA numbers came out with no mention of the charge requirement and 250 miles for 19" tires it stopped making sense.
However I still want this explained
New range calculator:
For comparison select 55 mph and you get 339 miles.
Your Questions Answered | Tesla Motors
Old range calculator on Wayback Machine - chart shows 306 miles @55 mph although rest of site is non-functional:
Your Questions Answered | Tesla Motors
So are new models more efficient? Or have they decided to be more optimistic with their numbers?
This-285 at 65mph? Has anyone done this in a regular S?I am extremley glad the blog is out, but I am also curious about some of this you write about here. Because the numbers for the non-D versions seems to have magically improved.... Or am I missing some vital piece of info here? ...
Is late January 2015 in Tesla-time, or in regular time?
This is the first time JB has mentioned a deadline that I can remember...maybe his time continuum is more realistic than Elon's?