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Open Roads Forum  >  Tow Vehicles

 > Tesla Semi truck unveil & test ride set for Oct 26th !

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BenK

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Posted: 09/26/20 10:44am Link  |  Quote  |  Print  |  Notify Moderator

Theoretically, with 1G downforce and coefficient of friction 1....1G would be the maximum....but there are other factors in play

Asphalt pavement has rocks embedded

Tiretread is soft enough to have it mold into the crevices to have interference

Why racing has gumball compound


-Ben Picture of my rig
1996 GMC SLT Suburban 3/4 ton K3500/7.4L/4:1/+150Kmiles orig owner...
1980 Chevy Silverado C10/long bed/"BUILT" 5.7L/3:73/1 ton helper springs/+329Kmiles, bought it from dad...
1998 Mazda B2500 (1/2 ton) pickup, 2nd owner...
Praise Dyno Brake equiped and all have "nose bleed" braking!
Previous trucks/offroaders: 40's Jeep restored in mid 60's / 69 DuneBuggy (approx +1K lb: VW pan/200hpCorvair: eng, cam, dual carb'w velocity stacks'n 18" runners, 4spd transaxle) made myself from ground up / 1970 Toyota FJ40 / 1973 K5 Blazer (2dr Tahoe, 1 ton axles front/rear, +255K miles when sold it)...
Sold the boat (looking for another): Trophy with twin 150's...
51 cylinders in household, what's yours?...

time2roll

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Posted: 09/26/20 11:57am Link  |  Quote  |  Print  |  Notify Moderator

Quarter mile at 1G is a 16 second et.
Top dragster is closer to 4G.


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Yosemite Sam1

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Posted: 09/26/20 03:44pm Link  |  Quote  |  Print  |  Notify Moderator

time2roll wrote:

Quarter mile at 1G is a 16 second et.
Top dragster is closer to 4G.


I'm past the stage of impressing a girlfriend on a jackrabbit start.[emoticon]

And I'm sure my wife will not be amused experiencing 4G while sitting at the passenger seat.

Groover

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Posted: 09/26/20 04:09pm Link  |  Quote  |  Print  |  Notify Moderator

BenK wrote:

Theoretically, with 1G downforce and coefficient of friction 1....1G would be the maximum....but there are other factors in play

Asphalt pavement has rocks embedded

Tiretread is soft enough to have it mold into the crevices to have interference

Why racing has gumball compound


0-60mph in 1.9 seconds is 1.44G. And it would have to either beat that a lower speeds or have about 1,200hp to the ground to hold that acceleration all the way to 88ft/sec (60mph). From what I have heard 1.00G is darn good on the street.

Reisender

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Posted: 09/26/20 05:29pm Link  |  Quote  |  Print  |  Notify Moderator

Kind of a fun video to watch of Norway Bjorn (well known EV youtuber/analyst in europe). Counting EV's passing the other direction and giving a running percentage count. Over 50 percent of new vehicles sold in Norway are EV's and its starting to show up in the daily traffic...and closing gas stations. [emoticon] Also nice to see the passing countryside. Good memories for us. Europe is a fun travel. We prefer to travel by train but some touring is best done by car especially the French coast down to Spain and then onto Lisbon. Pack light and stop often. We are headed back as soon as this Virus thing is over.

Hope you enjoy. Heres the link.

https://www.youtube.com/watch?v=dNty0oqCdak

Reisender

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Posted: 09/29/20 08:22am Link  |  Quote  |  Print  |  Notify Moderator

Walmart Canada orders 130 Semis from Tesla.

https://electrek.co/2020/09/29/tesla-tsl........rder-tesla-semi-electric-trucks-walmart/

8.1 Van

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Posted: 09/30/20 06:16pm Link  |  Quote  |  Print  |  Notify Moderator

Tesla to roll out China-made Model 3 cars with cobalt-free LFP batteries


[image]


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Yosemite Sam1

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Posted: 10/01/20 07:24am Link  |  Quote  |  Print  |  Notify Moderator



So Elon is not just talking of "future" cobalt-free battery but actually already in the production line during Tesla's Battery Day.

Reisender

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Posted: 10/01/20 07:52am Link  |  Quote  |  Print  |  Notify Moderator

Yosemite Sam1 wrote:



So Elon is not just talking of "future" cobalt-free battery but actually already in the production line during Tesla's Battery Day.


I believe these are the LFP batteries...? They have less power density but because they are being used in the SR plus pack they have room for a little more battery. I believe they get a little bump in range as well. Right around 268 miles EPA. Less expensive as well and they were able to drop the price on the SR plus a bit. Now a zero to sixty time of just under 6 ish? Overall nice compromise for that market. No hint on wether it will come to the US factories yet. If it did it might push the price down below 35000 for the SR plus and probably below 32000 for the unicorn car. Who knows.

Presently the longer range AWD model 3,s will continue to be built with the Panasonic batteries.

* This post was edited 10/01/20 08:00am by Reisender *

Yosemite Sam1

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Posted: 10/01/20 08:20am Link  |  Quote  |  Print  |  Notify Moderator

Reisender wrote:

Yosemite Sam1 wrote:



So Elon is not just talking of "future" cobalt-free battery but actually already in the production line during Tesla's Battery Day.


I believe these are the LFP batteries...? They have less power density but because they are being used in the SR plus pack they have room for a little more battery. I believe they get a little bump in range as well. Right around 268 miles EPA. Less expensive as well and they were able to drop the price on the SR plus a bit. Now a zero to sixty time of just under 6 ish? Overall nice compromise for that market. No hint on wether it will come to the US factories yet. If it did it might push the price down below 35000 for the SR plus and probably below 32000 for the unicorn car. Who knows.

Presently the longer range AWD model 3,s will continue to be built with the Panasonic batteries.


Am not following the $22,000 Tesla but this must be their first experiment on less costly battery.

But as someone with marketing background (although my. main is finance), I wonder why on Model 3. It will ruin this segment and most brand managers will create a different segmentation or category for their price (err, cheap) products.

And. no, I quit decoding Elon a long time ago.[emoticon]

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