Mexico Pics: Cybertrucks w/ roof rack accessories (Starlink & recovery boards) and bed vault haul (spare, air tank, recovery rope)

[Rutrow]

Snooty (“discerning”) drivers use dry nitrogen in their tires.

I've always been curious... how do the snooty people get the atmospheric air out of their tires when they get initially mounted, before they add the luxury gas into the tires? ??

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[Rutrow]

I think CO2 is a good choice for off-road adventures, but its’ compressibility and temperature-sensitivity makes it a bad choice for on-road use.

The pedantics, Gay-Lussac and Avogadro, claim this doesn't matter.

But what do they know? ??

 

[Crissa]

I've always been curious... how do the snooty people get the atmospheric air out of their tires when they get initially mounted, before they add the luxury gas into the tires? ??

They don't. But it gets outnumbered by the air added to pressurize the tire.

-Crissa

 

[JBee]

According to Crissa it doesn't matter what gas it is, it's all just hot "air" anyway.

Without definition words are meaningless.

 

[PilotPete]

I've always been curious... how do the snooty people get the atmospheric air out of their tires when they get initially mounted, before they add the luxury gas into the tires? ??

It’s not just “snooty people”. Costco uses N2 as well. There are a ton of reasons to use it.

 

[Rutrow]

There are a ton of reasons to use it.

Oh, I know!!!
•It stops people from bugging your installer crew, asking "Why don't you have nitrogen?!?"
•Tire shops can charge outrageous margins for it
•It created an entire industry for green valve stem caps
•It gets you to regularly return to the tire shop so they can tell you you need a wheel alignment
•It causes you to give more money to the oil companies and tire manufacturers because of the extra miles you have to put on your car to get your tire pressure topped off instead of doing it in your driveway
•It allows your little sister to make you look silly at the dinner table when she asks you how they get all the regular air out of your tire when they originally mounted the tire on the wheel and you don't have a good answer...

https://www.aaa.com/autorepair/arti...cts-about-using-nitrogen-to-inflate-car-tires

 

[PilotPete]

Oh, I know!!!
•It stops people from bugging your installer crew, asking "Why don't you have nitrogen?!?"
•Tire shops can charge outrageous margins for it
•It created an entire industry for green valve stem caps
•It gets you to regularly return to the tire shop so they can tell you you need a wheel alignment
•It causes you to give more money to the oil companies and tire manufacturers because of the extra miles you have to put on your car to get your tire pressure topped off instead of doing it in your driveway
•It allows your little sister to make you look silly at the dinner table when she asks you how they get all the regular air out of your tire when they originally mounted the tire on the wheel and you don't have a good answer...

https://www.aaa.com/autorepair/arti...cts-about-using-nitrogen-to-inflate-car-tires

Ahhhh, no. None of the above. Costco doesn’t charge a dime for it, and they have a self-serve station, so it is free and they can’t tell you about the alignments that they don’t do, or about the tire balancing or rotations they don’t charge for. And here is a biggie, guess what they use to inflate the tires on an aircraft? Hint: it ain’t an air compressor, not even a cool Dewalt battery operated one! There are valid reasons. And AAA is wrong on at least one of them! But hey, why worry about facts when you can rant about industry conspiracies.

 

[CyberGus]

The benefit varies with the application. You could probably fill the tires of a Corolla with water and not notice the difference.

But hey, why worry about facts when you can rant about industry conspiracies.

That's what they want you to think

 

[JBee]

I fill my tyres with water all the time.

For ballast and extra traction.

Also every tyre I fill has exactly 78.08٪ nitrogen. I have found that to be the ideal mix.

 

[JBee]

Ahhhh, no. None of the above. Costco doesn’t charge a dime for it, and they have a self-serve station, so it is free and they can’t tell you about the alignments that they don’t do, or about the tire balancing or rotations they don’t charge for. And here is a biggie, guess what they use to inflate the tires on an aircraft? Hint: it ain’t an air compressor, not even a cool Dewalt battery operated one! There are valid reasons. And AAA is wrong on at least one of them! But hey, why worry about facts when you can rant about industry conspiracies.

You can't deny that any "good" tyre business, also wants your "return business".

It might not apply to some, but it is fairly industry standard behaviour and far from a conspiracy. Besides haven't conspiracies of late been true?

I mean we have UFO's now right? Right? ?

 

[Rutrow]

And here is a biggie, guess what they use to inflate the tires on an aircraft? Hint: it ain’t an air compressor, not even a cool Dewalt battery operated one! There are valid reasons. And AAA is wrong on at least one of them!

AAA is wrong about the thing they wrote in their article?!? ?

 

[FutureBoy]

AAA is wrong about the thing they wrote in their article?!? ?

I'm confused. Why is AAA trying to be the authority on airplane tires? Shouldn't we be getting that info from the FAA?

 

[Rutrow]

I'm confused. Why is AAA trying to be the authority on airplane tires? Shouldn't we be getting that info from the FAA?

They're not... They're just trying to preserve a bit of Pilot Pete's dignity in pointing out the edge case where dry nitrogen in tires makes a difference. If your tires may be subjected to -70˚ F outside air tempeature, then +300˚ interior temperatures due to shock pressures upon landing an airliner, then friction with the runway, then radiant heating from adjacent brake rotors, all within 20-30 minutes... This makes the driest gas possible well worth the effort. Any moisture in the tires can go from ice to steam in seconds. Water increases in volume 1200 times when converting to steam. These abrupt changes can spell doom for airliners.

But not at all for road vehicles.

 

[Crissa]

Yeah, the Quora answer 'it maintains cool tires' is nonsense.

It's just that random air will be a random mix and expand an essentially random amount as it heats and cools.

It doesn't really matter which gas you choose, just that it doesn't expand alot over the work temperatures. And water vapor (which is in air) sucks at that one feature. (And oxygen slowly eats the tires.)

In the usual tire life, it doesn't really matter that much. If you're using up the tread, you'll use it much faster than oxygen can eat it, and the tire temperatures don't swing as abruptly or as far as aircraft tires.

If they're out on a remote air strip and need pressure in their tires, you betcha they'll put plain air if they don't have nitrogen or whatever.

-Crissa

 

[IdahoRenegade]

Air tank means no onboard compressor. Great. But looks like we get the option for a very un-aerodynamic light bar.

I wonder about the air tank as well-but the car is supposed to have an air suspension, which would mean a compressor somewhere. Can't believe they wouldn't put a port with a Schrader valve somewhere.

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