Buddyroe
Active Member
It's not, as I explained above.
I guess I missed said explanation.
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It's not, as I explained above.
No, because your charge rate gets divided by 10 as well as the battery size. (You can't just jam the electricity in that fast.)
1000kWh charged to 80% (800kWh) in 30 minutes would require an average charge rate of 1600kW.
If you dived capacity and charge rate by 10 and then solve for time you get:
100kWh charged to 80% (80kWh) at average charge rate of 160kW would take 30 minutes.
Why does your charge rate get divided by 10?
Guarantee 1 million mile no break down? That's impossible, given Tesla's reliability these days. Teslas can break down for many reasons, not just the motor, and there aren't any Teslas on the road that have even gotten close to 1,000,000 miles.
Megachargers backed up by solar and PowerPacks? Can you guys imagine how much CapEx that is going to entail? Not only that, but Elon said he guarantees $0.07/kWh Megacharger pricing. That's wayyyy too low, and he's not gonna be able to set up enough solar panels to power more than 1-2 trucks a day (considering each truck is likely 1MW each).
The smaller battery cannot accept that much power. Just because you have a firehose available doesn't mean you can drink from it at full flow without blowing your face off.I guess I missed said explanation.
Your math is grossly wrong, by about 10x. You might want to recalculate.With an 800kWh pack, 6 hrs of sun, 20% efficient panels, 90% round trip storage (not net grid), = 740 square meters of panel per truck or 8,000 square feet. An average warehouse is 40k square feet, so could support 5 trucks a day. Walmart has an average store size of 104k square feet, so each could charge 25 trucks a day. Walmart distribution centers average 1 million sq ft, so 250 trucks worth a day.
Why does your charge rate get divided by 10? If you can deliver the electricity that fast to a 1000 kwh battery, why not a 100? I'm not saying the current cars could support it, and maybe it isn't possible or feasible to install needed wiring and cooling for this high rate into a sedan, but surely there is an area in between what is currently on the S and what is on the semi. So no, maybe it isn't possible to reach the 3 or 6 minute number, but possibly 10 minutes is realistic.
Tesla’s Model 3 Is Cool, but No Parking Money in the Stock
Here are his takeaways from his meetings with management:
(1) Management expressed confidence in achieving its revised Model 3 production timetable, with the initial allotment consisting of higher ASP models; (2) Management expressed confidence in achieving its 25% gross margin target for the Model 3
note his PT is 185
Ok then. If that's true, the 80% charge on a 100 kw battery would be 3 minutes. Just basic math - though I'm sure it's not nearly that simple. In theory it is.
Dude, if you put 1000KW into a 100KWh battery pack it will explode. It cannot handle the temp that would result, it can't handle the temps created by 170KW today and just slow down as the great rises and cooling can't keep up. Not to mention the cables and connectors that would melt. Max charge rates will probably top out at 2c or 2x the size of the pack so 200KW, not 800+. Even at 2c there will be tapering and the packs and cells must be improved beyond where they are at today.
Another chance after Tesla withdrew the 3 this year: Tesla Model 3: 2018 Motor Trend Car of the Year Finalist - Motor Trend
Goes twice as fast if charged with 220V electricity, right??
MT lists the M3 RWD LR as 4.8sec 0-60?The Model 3’s punchy torque (0–60 mph in 4.8 seconds)
Long time Elon fan here. I think Elon and Tesla are shooting themselves in the foot by overpromising at the semi event.
Guarantee 1 million mile no break down? That's impossible, given Tesla's reliability these days. Teslas can break down for many reasons, not just the motor, and there aren't any Teslas on the road that have even gotten close to 1,000,000 miles. Why did Elon have to make that promise? It's ridiculous.
Megachargers backed up by solar and PowerPacks? Can you guys imagine how much CapEx that is going to entail? Not only that, but Elon said he guarantees $0.07/kWh Megacharger pricing. That's wayyyy too low, and he's not gonna be able to set up enough solar panels to power more than 1-2 trucks a day (considering each truck is likely 1MW each).
I love Tesla and Elon, but there's some fishy business going on at the last semi event. They were overpromising more than usual, and given their track record these days, there should be tons of doubt.
1ft rollout?MT lists the M3 RWD LR as 4.8sec 0-60?
Pulls better in the skid pad than the Model S. Having driven both, not surprising, it’s resisting a lot less weight tossing side to side.MT lists the M3 RWD LR as 4.8sec 0-60?
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Pulls better in the skid pad than the Model S. Having driven both, not surprising, it’s resisting a lot less weight tossing side to side.
How can one understand the all-in cost for Tesla, when we don't know the price, and Tesla can't possibly know what their 1 million mile warranty is going to cost them, nor do we know what the electricity is going to cost them?Tesla did a fantastic job with the Semi, the design, the specs, the way they priced it, the guaranteed solar Megacharger $0.07 rate, the one million mile no breakdown guarantee... everything is perfect. There are certain important things that were not mentioned during the unveil. I am so happy they didn't talk about those things. You don't want to show all your chips at once. The two huge chips they didn't mention.
Currently each diesel Semi runs about 1 million miles in 5 years. The all in cost is about 1.5 million dollars. I guess it can bring in 2~3 million dollars sales (freight service). Nobody will do it for 5 years and only brings back 1.5 million sales, just equal to the cost. There are 1 million Semi trucks in the US.
Take a step back, understand the all in cost for Tesla per truck (insurance and everything else included), now do you see how much money Tesla is going to earn on each truck?
Tesla is setting up for something huge. Everything Tesla touches has a huge market and Tesla is going to dominate that market even if they don't intend to. The growth in the next 5~8 years will be explosive. Shorts only focus on the quarterly spreadsheet. Talking about short sighted.