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Old Jun 3, 2021 | 05:01 PM
  #31  
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Amazing achievement for Tesla. I would say that every record set comes with nuances, and haters are always going to come up with a bunch of ifs and buts, lol. It's just noise.
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Old Jun 3, 2021 | 05:13 PM
  #32  
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Originally Posted by Och
Amazing achievement for Tesla. I would say that every record set comes with nuances, and haters are always going to come up with a bunch of ifs and buts, lol. It's just noise.
Agreed. Doesn't bother me because I know they say what they say because it bothers them

This will just push others to make their cars more powerful. The new horsepower wars are just beginning.
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Old Jun 3, 2021 | 05:21 PM
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Originally Posted by EZZ
Agreed. Doesn't bother me because I know they say what they say because it bothers them

This will just push others to make their cars more powerful. The new horsepower wars are just beginning.
It reminds me when Lexus LFA set Nurburgring record, and some people on this site were arguing the record was not legit because a one-off "production" hypercar called Radical had a faster record.
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Old Jun 3, 2021 | 05:28 PM
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Originally Posted by Och
It reminds me when Lexus LFA set Nurburgring record, and some people on this site were arguing the record was not legit because a one-off "production" hypercar called Radical had a faster record.
Just haters. I can't understand why every Tesla thread has to have someone question anything good they do. Just ridiculous.
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Old Jun 3, 2021 | 07:36 PM
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Originally Posted by Och
Uh, no, lol. AA size is 14500. Lithium-ion batteries use are referred to by their sizes, instead of AA and such for traditional batteries. Although Li-Ion can also be referred to with traditional labels, but they must specify Li-Ion as they are higher voltage (3.7 nominal for Li-Ion vs 1.5 nominal for other chemistries). The numbers such as 18650 are actually physical dimensions, roughly 18x65mm.

18650 and 21700 produce the same 3.7v nominal voltage, but the 21700 typically has larger capacity so it lasts longer. Even the the button/coin cell lithium batteries produce 3.7v, but obviously with much smaller capacity. For instance CR2032 lithium button cell that is used in many low draw applications such as scales, motherboards, etc is 20x3.2mm.
thanks for setting me straight!

For anyone interested, this chart was helpful!

https://en.m.wikipedia.org/wiki/List...geable_battery

According to that table the Model 3 uses the bigger 2170 [aka 21700] and not the 18650!
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Old Jun 3, 2021 | 07:45 PM
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Definitely a great achievement.

Imagine if the interior is plaid
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Old Jun 3, 2021 | 08:38 PM
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Originally Posted by bitkahuna
thanks for setting me straight!

For anyone interested, this chart was helpful!

https://en.m.wikipedia.org/wiki/List...geable_battery

According to that table the Model 3 uses the bigger 2170 [aka 21700] and not the 18650!
For the overall capacity it does not really matter whether they use 21700 or 18650, since 21700s are larger you can't physically fit as many of them into the pack as smaller cells. But it's better to use less quantity of physically larger cells because it makes it easier to control each one of them individually, or at least in groups of several cells.

Take old bulky laptops of the 90ies and 2000s for instance, most of them had a battery pack containing six 18650 cell. The battery pack had a charge protection circuit where if the pack's voltage dropped below minimum or overcharged over the maximum, the circuit would trigger protection and the pack had to be replaced. Li-Ion batteries are dangerous, and overcharging a battery or charging a battery that had been previously discharged below minimum can cause a fire. With these battery packs, often it was a just a single cell that has failed, rendering the whole pack useless. And even that single cell could revived if the circuit allowed to charge it individually, at a slower pace, so it doesn't overheat. I have a whole box of 18650 batteries that I disassembled out of old laptop packs and reconditioned with a smart charger.

Obviously with Tesla packs containing thousands of cells you can't just brick the whole pack over a single failed cell, so greater control over individual cells is required. I am not sure exactly how they are set up, but the most ideal way would be to have a logic circuit on each cell that monitors charge cycles, temperature, voltage, rate of charge/discharge and controls how the cell is being charged. This is how modern laptops and cell phones manage their batteries. Tesla also has a heating/cooling system for their battery packs to control optimal temperature range.

And while Tesla makes their batteries as safe as possible, in a bad crash they can explode and cause a spectacular fire, much like a tank of gasoline.

Tesla Model S Plaid-fhitjd9.jpg
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Old Jun 3, 2021 | 08:38 PM
  #38  
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And you wondered why I said I don’t need the Plaid+. There is no reason for me to get anything faster that the regular Plaid. I’m still leaning more towards the M5 at this point because I need more from a car than just performance, I need a little more luxury than what Tesla offers.
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Old Jun 4, 2021 | 05:58 AM
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Originally Posted by EZZ
Of course this is temporary until RIMAC decides to make their quarter mile run official. At $120k, this is pretty accessible to many upper middle class people and they get access to 1,050hp. Insane.

Tesla Model S Plaid achieves new quarter-mile world record in 9.2 seconds

Fred Lambert

.
I can't wait to take one of these bad boys for a drive when they are available for test drives in a month or so!!!
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Old Jun 4, 2021 | 06:08 AM
  #40  
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Originally Posted by patgilm
And you wondered why I said I don’t need the Plaid+. There is no reason for me to get anything faster that the regular Plaid. I’m still leaning more towards the M5 at this point because I need more from a car than just performance, I need a little more luxury than what Tesla offers.
Honestly, the extra ~100+ miles of range was more enticing to me than the speed.
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Old Jun 4, 2021 | 06:22 AM
  #41  
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Originally Posted by Allen K
Honestly, the extra ~100+ miles of range was more enticing to me than the speed.
Same here - range is always KING.
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Old Jun 4, 2021 | 11:50 AM
  #42  
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A 155 mph 1/4 trap speed is pure insanity lol.
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Old Jun 4, 2021 | 12:05 PM
  #43  
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Think about how much quicker I'll get everywhere! LOL
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Old Jun 4, 2021 | 12:07 PM
  #44  
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Originally Posted by SW17LS
Think about how much quicker I'll get everywhere! LOL
Especially jail
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Old Jun 4, 2021 | 12:16 PM
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Originally Posted by Hameed
Especially jail
Haha, so true!
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