any one filled theres with the above. im thinking about doing mine. what the advantages of it. it wont cost me. i build and service cryogenic vessels for a living so i have unlimbited amout of nitrogen gas and liquid
I know they use it in the Nissan GTR cos Nitrogen doesn't expand or contract with heat like air does. Something like that anyway. Would you notice a difference in normal everyday driving? I doubt it...
nitrogen molecules are bigger than normal air so the therory is the notrogen doesnt escape through the rubber as quickly as normal air so tyre pressure stays constant also its not meant to expand as much when a tyre heats up..
barryloney has this done on his 93 if im not mistaken,
[quote=jayeastanglia;459077]nitrogen molecules are bigger than normal air so the therory is the notrogen doesnt escape through the rubber as quickly as normal air so tyre pressure stays constant also its not meant to expand as much when a tyre heats up..[/quote] ahem, Normal air is 80% nitrogen - so that's a load of bumkum. The only reason for filling tyres with compressed nitrogen is to remove the water vapour. That's why they do it on aircraft - as the water would condense & freeze at 30,000 ft (as it is 50 below outside). The rapid defrosting & expansion could lead fatigue damage the rubber/tyre structure & could lead to a catastrophic failure when the tyre suddenly warms up on contact with the runway. I fail to see how that might apply to a road car. It is used in F1 but these are also extreme conditions.
[quote=Wobbly Dave;459107]ahem, Normal air is 80% nitrogen - so that's a load of bumkum. The only reason for filling tyres with compressed nitrogen is to remove the water vapour. That's why they do it on aircraft - as the water would condense & freeze at 30,000 ft (as it is 50 below outside). The rapid defrosting & expansion could lead fatigue damage the rubber/tyre structure & could lead to a catastrophic failure when the tyre suddenly warms up on contact with the runway. I fail to see how that might apply to a road car. It is used in F1 but these are also extreme conditions.[/quote] http://www.popularmechanics.com/cars/how-to/repair-questions/4302788
Perhaps the effusion of Nitrogen is slightly less than compressed air. But unless it is free - I will stick with compressed air http://www.getnitrogen.org/pdf/graham.pdf Unless the nitrogen is properly scrubbed to remove the water vapour advantages will be negliable. What Jay said is still wrong - there is no such thing as an air molecule. Air is a mixture of gases & water vapour - it is not a compound in its own right.
any one filled theres with the above. im thinking about doing mine. what the advantages of it. it wont cost me. i build and service cryogenic vessels for a living so i have unlimbited amout of nitrogen gas and liquid
[quote=graemewelch;459120]any one filled theres with the above. im thinking about doing mine. what the advantages of it. it wont cost me. i build and service cryogenic vessels for a living so i have unlimbited amout of nitrogen gas and liquid[/quote] I used to have it done, the advantage was the pressure stayed pretty much consistent no matter how hot or cold until I have the tyres changed.
did you notice any difference when driving. ill prob wait till i fit my summer tyres
this is a duplicate thread.
was just going by the ****s at crap fit try and con us into getting it in the tyres at work.. sorry for anyone working in our local one but they are really useless
That it is. Probably needs merging............I will see if I cba :-)