Inflate with Nitrogen

I think most People they opposing, have not use the nitrogen in there tyres yet.
I drive very fast, im sure N2 gonna make me more safe. i think
 
VernD said:
As for your tyres exploding - that is possible yes because the air in your tyres can expand due to heat, resulting in a blow-out. Nitrogen, due to it being inert, does not expand under heat.
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Er...no.

Being an "inert gas" means the gas is not chemically reactive under normal circumstances. This has NOTHING to do with gas pressure.

And if you think nitrogen is exempt from Boyle's Law, perhaps you should publish your scientific reasoning on the matter. Nitrogen has the same changes in pressure due to temperature that a nitrogen/oxygen/CO2 air mixture has, to any significant degree.
 
Claymore said:
Er...no.

Being an "inert gas" means the gas is not chemically reactive under normal circumstances. This has NOTHING to do with gas pressure.

And if you think nitrogen is exempt from Boyle's Law, perhaps you should publish your scientific reasoning on the matter. Nitrogen has the same changes in pressure due to temperature that a nitrogen/oxygen/CO2 air mixture has, to any significant degree.
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Thanks for the correction. It didn't make sense to me too after I said it :confused:
 
nabs said:
Yesterday i bought new tyres for my car from Tiger wheel & tyre,
they ask me if i want nitrogen or normel air for my car.
They told me with nitrogen.

1 Cooler runninig up to 20% extended tread life.
2 Cannot catch fire or explode.
3 Maintains pressure longer.
4 Used on race cars etc.

So i got nitrogen in my tyres now :)
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also have it.....luckely there is a TW&T(damn that looks like TWAT) 3km from my house.
 
Since i got nitrogen in my tyres, im driving fast, i also had tea this morning. :o
 
I did the Audi Driving Experience at Killarney. With a qualified instructor who told us the nitrogen is not really an advantage for an everyday driver. If you want to drive fast - just increase the volume of good old air in the tyres - pump it to around 3.2. A harder ride - but the extra volume will keep the tyre cooler.
 
I find it hard to believe that. Logically, it makes sense to keep your tires inflated to the correct pressure. If the tyre is over-inflated then use using more of the inner, middle part of the tyre's tread. If the tyre is under-inflater, you then are using more of the outer treads of the tyre.

I've been using nitrogen for 4 years now. It costs nothing, and besides there are TW&T all over Joburg, and to stop over for 5 minutes it pays.
 
limnos said:
I find it hard to believe that. Logically, it makes sense to keep your tires inflated to the correct pressure. If the tyre is over-inflated then use using more of the inner, middle part of the tyre's tread. If the tyre is under-inflater, you then are using more of the outer treads of the tyre.
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That used to be the case. Modern radial tyres, however, retain their tread shape over quite a huge range of pressures.

I've been using nitrogen for 4 years now. It costs nothing, and besides there are TW&T all over Joburg, and to stop over for 5 minutes it pays.
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I use nitrogen too, but prefer to stick to an 80% nitrogen mix.
 
JungleRumble said:
I did the Audi Driving Experience at Killarney. With a qualified instructor who told us the nitrogen is not really an advantage for an everyday driver. If you want to drive fast - just increase the volume of good old air in the tyres - pump it to around 3.2. A harder ride - but the extra volume will keep the tyre cooler.
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That doesn't make sense. Your volume will be basically constant - you're increasing the pressure therefore temperature has to go up - Boyles Law basics
 
When I replaced my tyres at TW&T I also went the Nitrogen route. A few months later I had to take my car to BMW for some aircon filter maintenance. Imagine my surprise when I got my car back and the agent told me all cheerfully that they topped up the air in my tyres (with the free stuff) :D
 
Hoof-Hearted said:
That doesn't make sense. Your volume will be basically constant - you're increasing the pressure therefore temperature has to go up - Boyles Law basics
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You're correct. I should not have used the word "volume". According to Boyles law the temp of the gas (air) will increase, but in relation to the additional rigidness the increased pressure provides the tire wall, the tire itself remains cooler during operation. Tires heat up more because of the molecular friction of the compound during operation, than the increase in air temp inside the tire. This is especially evident with underinflated tires - where according to Boyle, the temp of the air inside the tire should be relatively low (lower pressure). In practice, it is not the case - as the tire itself heats up because of increased friction.

Anyhow, this is not supposed to be a lecture in fluid dynamics, I am sure you are well versed in it. Fact remains - if you want to drive fast, some additional pressure in the tires will keep them cooler.
 
A further comment: I was reading an article on Formula 1, and it was mentioned that while McLaren fill their tyres with nitrogen, Ferrari use CO2.
 
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