Car ?'s

Axiel · Oct 22, 2022

How many NPCs out there see those 60,000 dollar used chicken eggs as utopian future cars?

Sanrith Descartes said:
its just electric motor/motors.

EVs swap oil changes and engine/transmission work with an ultra expensive battery replacement every 10 years or so. They still have coolant to control battery temperature, still have tires and brakes, suspension/bearings/linkages, tons of electronics and a complex HVAC system which all eventually need work done.

Getting many of those things fixed on Teslas can take months while the car is out of commission, along with a 4-5 figure repair bill. Can't get around that since extremely few mechanics will work on them, Elon isn't sharing any of the data needed for independents.

That's why the long term maintenance for Teslas, for now, is way worse than normal cars.

Also, I have to laugh at Korean stuff lasting forever, all still have weak piston rings and will burn oil as they age.

Sanrith Descartes · Oct 22, 2022

A few things. Yes repairs can take awhile. Current supply chain issue also are impacting all the brands. I just ordered a part for a customer with a 45 week lead time. Weeks. That being said, Tesla gives loaners. It took a week for a windshield for my MX. They gave me an MS loaner. If a loaner isnt available they offer $100 a day in Uber credits until one is free.

I would venture a large percentage of Tesla owners are under warranty. They either lease, are under warranty still or they flip it when the warranty is up. I dont know a single person who owns and is out of warranty on the battery pack. Im sure people do it, but thats a decision one makes understanding risk.

There is an old saying. If you can afford the BMW, you can afford the mtce on your BMW. Brake pads for a BMW arent cheap. But its the way it is. Honestly if you are in the income bracket to buy a Tesla/Jag/BMW/Mercedes etc you can afford any repairs if you keep it after warranty.

Friend of mine has an old Corolla with 150k miles on it. He wont trade it because "it drives fine". His wife drives a Porsche so his decision isnt driven by money. Cars are really a different decision for each individual in my view.

Burns · Oct 22, 2022

The battery in particular is a wild card. There are so many factors that will determine it's life that used electric car buyers will never be able to know what they are getting. New owners who like to keep their cars for a long time will also have trouble estimating replacement times.

Some of the things that effect Lithium battery life:

Discharge cycles
Deepness of discharge (the closer you get to 0% discharge, the worse it is for life)
Temperatures it operates at.
- additionally: high temps (90F+) while sitting at max charge, can decrease life
Charging voltage used (Higher voltage = lower life)

Decent write up pulling from 2016 research out of a group of researchers from Columbia, Aachen, and a couple other EU Universities:

BU-808: How to Prolong Lithium-based Batteries

BU meta description needed...

batteryuniversity.com

I really hope Sulfur batteries become a thing, as they sound superior to other alternatives (due to price and the easily accessed raw materials, alone), if they can ever get them to work.

Sanrith Descartes · Oct 22, 2022

Burns said:
The battery in particular is a wild card. There are so many factors that will determine it's life that used electric car buyers will never be able to know what they are getting. New owners who like to keep their cars for a long time will also have trouble estimating replacement times.

Some of the things that effect Lithium battery life:

Discharge cycles

Deepness of discharge (the closer you get to 0% discharge, the worse it is for life)

Temperatures it operates at.

additionally: high temps (90F+) while sitting at max charge, can decrease life

Charging voltage used (Higher voltage = lower life)

Decent write up pulling from 2016 research out of a group of researchers from Columbia, Aachen, and a couple other EU Universities:

BU-808: How to Prolong Lithium-based Batteries

BU meta description needed...

batteryuniversity.com

I really hope Sulfur batteries become a thing, as they sound superior to other alternatives (due to price and the easily accessed raw materials, alone), if they can ever get them to work.

I charge to 90% and always let the computer in the car control the charge. I am lucky so far. Over 3 years in and i have only lost about 1% max range. Originally 315 miles on 100kw battery and now i am about 313. I only charge to max the night before a long trip.

Fucker · Oct 22, 2022

Axiel said:
Also, I have to laugh at Korean stuff lasting forever, all still have weak piston rings and will burn oil as they age.

Yeah. Hyundai KIA only good at styling, bad at everything else. I refer to the two as Korean Leyland and it is an accurate name. They are facing multi-billion dollar repair bills for their shit engines and that doesn't include mega lawsuits from everywhere they do business. Palisade and Telluride were really popular when they came out, now they are one of the few new vehicles that are stacked ten high and forty deep at every dealership, and they are a darling of the used car lot because there are so many.

ToeMissile · Oct 22, 2022

Burns said:
The battery in particular is a wild card. There are so many factors that will determine it's life that used electric car buyers will never be able to know what they are getting. New owners who like to keep their cars for a long time will also have trouble estimating replacement times.

Some of the things that effect Lithium battery life:

Discharge cycles

Deepness of discharge (the closer you get to 0% discharge, the worse it is for life)

Temperatures it operates at.

additionally: high temps (90F+) while sitting at max charge, can decrease life

Charging voltage used (Higher voltage = lower life)

Decent write up pulling from 2016 research out of a group of researchers from Columbia, Aachen, and a couple other EU Universities:

BU-808: How to Prolong Lithium-based Batteries

BU meta description needed...

batteryuniversity.com

I really hope Sulfur batteries become a thing, as they sound superior to other alternatives (due to price and the easily accessed raw materials, alone), if they can ever get them to work.

Batteries are definitely the most important factor. I’d guess another 50% energy density and similar reduction in charging time will bring EV to mass/mainstream. Assuming humanity doesn’t ctrl-alt-delete before then.

Fucker · Oct 22, 2022

ToeMissile said:
Batteries are definitely the most important factor. I’d guess another 50% energy density and similar reduction in charging time will bring EV to mass/mainstream. Assuming humanity doesn’t ctrl-alt-delete before then.

They will get there at some point. Look how far batteries have come in the last 20 years, and they are dumping more money into research than ever.

ToeMissile · Oct 22, 2022

Fucker said:
They will get there at some point. Look how far batteries have come in the last 20 years, and they are dumping more money into research than ever.

Definitely. And I think people forget how new EVs are as a mass produced option, the Model S came out in 2012.

Lanx · Oct 23, 2022

ToeMissile said:
Definitely. And I think people forget how new EVs are as a mass produced option, the Model S came out in 2012.

i mean tesla is already changing the game w/ the new 4680pack it's part of the structure now... sure each battery cell is so super glued together it's impossible to repair, but now it's not just a battery pack and a heavy load, it provides rigidity.

Axiel · Oct 23, 2022

Lanx said:
each battery cell is so super glued together it's impossible to repair

Why am I hearing the sound of skin rubbing, like someone warming up their hands?

Fucker · Oct 23, 2022

Axiel said:
Why am I hearing the sound of skin rubbing, like someone warming up their hands?

Is your brother visiting?

Lanx · Oct 23, 2022

Axiel said:
Why am I hearing the sound of skin rubbing, like someone warming up their hands?

my bad, it's actually foam

ToeMissile · Oct 23, 2022

Lanx said:
my bad, it's actually foam

Yeah, but hard as shit foam. It that vid where they talk about the recycling process? Maybe it was somewhere else. Apparently the packs can be chewed up and they use various methods to separate the materials.

Sanrith Descartes · Oct 23, 2022

ToeMissile said:
Yeah, but hard as shit foam. It that vid where they talk about the recycling process? Maybe it was somewhere else. Apparently the packs can be chewed up and they use various methods to separate the materials.

Want to be the next self-made billionaire? Figure out an efficient and cost effective method of dealing with lithium batteries.

ToeMissile · Oct 23, 2022

Sanrith Descartes said:
Want to be the next self-made billionaire? Figure out an efficient and cost effective method of dealing with lithium batteries.

I made it halfway through an undergrad ME program, pretty sure I can knock something out by summer.

IRL:

And the winner of Startup Battlefield at Disrupt SF 2022 is…Minerva Lithium | TechCrunch

A panel of esteemed judges at TechCrunch Disrupt 2022 has determined the winner of the Startup Battlefield competition.

techcrunch.com

Minerva says that it can extract one metric ton of lithium using just 30,000 gallons of water, and it can do it in three days. Evaporative brine processing needs to evaporate 500,000 gallons of water to get to the same amount of lithium.

Lanx · Oct 25, 2022

ToeMissile said:
I made it halfway through an undergrad ME program, pretty sure I can knock something out by summer.

IRL:

And the winner of Startup Battlefield at Disrupt SF 2022 is…Minerva Lithium | TechCrunch

A panel of esteemed judges at TechCrunch Disrupt 2022 has determined the winner of the Startup Battlefield competition.

techcrunch.com

not sure if serious

ToeMissile · Oct 25, 2022

Lanx said:
not sure if serious

I just saw that they won and it’s related to the topic at hand.

Fucker · Oct 25, 2022

Lanx said:
not sure if serious

Looks like a mug sheet of Ewoks.

Fogel · Oct 25, 2022

Fucker said:
Looks like a mug sheet of Ewoks.

That was pretty mean of you. What have Ewoks ever done to you?

mkopec · Nov 1, 2022

I remember the first Hybrid I worked on back in the early 2Ks. My company got contracted to help Sanyo develop a battery for the Ford Escape. So this was mounted in the space they made in the floor pan like where the hatchback is. It was about 3ft by 4ft if memory serves? Anyway we had to make the case out of High strength steel. Expensive ass shit and hard to form, hence the term high strength. Because they found out in crash tests that a rear crash into the vehicle would send the 300 D cell looking batteries as projectiles in the vehicle. Then they had heat issues with the battery pack. So what they had to dso is install another small AC unit in the back to constantly pump cold air into the battery pack. They also had a bowling ball test too. They dropped it from like 3-4 ft and this thing could not deform in any way. The shit was whack and lol worthy. But those were the beginning days of the EV bullshit.

I actually designed both the covers you see below. Both HSS steel.

Ford rolls out first hybrid Escape SUVs

Ford Motor Co. on Thursday rolled the first hybrid SUVs off the production line, touting the gas-electric technology that nearly doubles mileage.

www.nbcnews.com

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