Somebody educate me on "Nitrogen" in the tires ?

LOL... I was also going to add that the N works better in high altitude states like the one in which we live... that also provides for less density resulting in better mileage
:B

d3500ram wrote:
Nitrogen is slightly less weight than normal compressed air therefore the slightly less weight on the tires provides for less rolling resistance resulting in better fuel millage.

;)

Glad I saw the smiley way down on the left side before I sent a nastygram. :)

Nitrogen is used in A/C tires and some race cars primarily because it is not flammable like the oxygen in air. It also has a slight advantage in stability/leakage expansion. It is pretty much a waste of money to use in RVs.

Nitrogen is slightly less weight than normal compressed air therefore the slightly less weight on the tires provides for less rolling resistance resulting in better fuel millage.





























;)

wolfe10 wrote:
There are actually THREE "what can/should I use to inflate my tires" answers:

Nitrogen

DRY air (with air dryer to remove moisture from air)

WET air (you know-- those coin op machines with water dripping from the air chuck)

Nitrogen and dry air both follow the Ideal Gas Law (PV=nRT). For a given temperature change, there WILL BE a given change in PSI.

Wet air is NOT an ideal gas and will give more PSI change for a given temperature change.

yup, excellent summary.

And a common and easy way to remove moisture uses a permiable barrier will remove the moisture and remove most of the oxygen giving you dry nitrogen.

hence likely the nitrogen fill. But filling with dry air is for all practical purposes for most applications just fine.

sold tires for 10 years and this is the biggest scam the Tire Industry has ever come up with.:S

There are actually THREE "what can/should I use to inflate my tires" answers:

Nitrogen

DRY air (with air dryer to remove moisture from air)

WET air (you know-- those coin op machines with water dripping from the air chuck)

Nitrogen and dry air both follow the Ideal Gas Law (PV=nRT). For a given temperature change, there WILL BE a given change in PSI.

Wet air is NOT an ideal gas and will give more PSI change for a given temperature change.

For what we do, be it RV or car, this is just snake oil. If you find you need air in your tires fill them up anywhere air is available.

For ordinary vehicle use the advantage is negligible. If you can get the tires filled with nitrogen for free, then go ahead. Won't hurt and a very small benefit. If you must pay for nitrogen you will never recoup the cost over the lifespan of several sets of tires.

Air is 4/5 nitrogen. Pure nitrogen leaks through the rubber a small bit slower than the other 1/5 gases in air. So, if you don't check your tire pressures as often as you should, it's very slightly better. No oxygen, so the inside of the rubber tire doesn't deteriorate as fast - but it makes no difference since the outside, which is exposed to more than just oxygen, is what fails first.

There's nothing bad with filling tires with nitrogen, but it's definitely not worth any additional expense or effort. It's just a marketing gimmick.