sid Posted July 24, 2008 Share Posted July 24, 2008 I recently bought a couple of tyres and was offered this 12€ extra - all 4 tyres inflated with nitrogen - which I accepted because it sounded beneficial. Now I'm wondering whether it was worth it.... I've not had any problems, and it was only 12€ ! Has anyone else used it? Happy with it? Waste of time/money? [8-)]I got new green valve caps too!! [+o(] Sid Link to comment Share on other sites More sharing options...
BJSLIV Posted July 24, 2008 Share Posted July 24, 2008 The general opinion seems to be that it's not worth bothering with, especially if you need to top up the pressure....This article seems typicalhttp://www.theaa.com/motoring_advice/safety/filling-tyres-with-nitrogen.html Link to comment Share on other sites More sharing options...
sid Posted July 25, 2008 Author Share Posted July 25, 2008 I got this pair of tyres from Norauto. They offer free top-ups for the life of the tyres. That's only of any use if you happen to be near a depot when you discover that the tyres need some more air! BUT they also say that the loss of air will be negligible - one of the main reasons for taking the offer in the first place.It looks as though this is one of those threads that'll get re-opened in 12 month's time with an update report!Sid Link to comment Share on other sites More sharing options...
Clarkkent Posted July 25, 2008 Share Posted July 25, 2008 [quote user="sid"] It looks as though this is one of those threads that'll get re-opened in 12 month's time with an update report![/quote]I recall there was a similar post a few years ago.I suspect that there is a very small beneficial result that can be measured under laboratory conditions, but which is totally irrelevent when one looks at everyday driving behaviour. The benefit to Nauroto's bottom line will be greater than that to the punter, after all, you have paid £10 to have your tyres inflated. Link to comment Share on other sites More sharing options...
sid Posted July 25, 2008 Author Share Posted July 25, 2008 [quote user="Clarkkent"] .... after all, you have paid £10 to have your tyres inflated.[/quote]That's true! [Www] [Www] [Www] [Www] Sid Link to comment Share on other sites More sharing options...
nomoss Posted July 25, 2008 Share Posted July 25, 2008 So how do they remove the air which is contained in the tyres before they inflate them with nitrogen? Link to comment Share on other sites More sharing options...
cassis Posted July 25, 2008 Share Posted July 25, 2008 Unscrew the top and press the valve needle until air stops coming out. [:D]Only leaves only a tiny percentage of other gasses (ordinary air is 78% nitrogen) once the pure nitrogen has been pumped in under pressure. But what a waste of time. [Www] Mine were inflated with nitrogen for free when I bought them at Feu Vert a couple of years ago but I just top them up with air from my compressor. Link to comment Share on other sites More sharing options...
nomoss Posted July 25, 2008 Share Posted July 25, 2008 [quote user="cassis"]Unscrew the top and press the valve needle until air stops coming out. [:D]Only leaves only a tiny percentage of other gasses (ordinary air is 78% nitrogen) once the pure nitrogen has been pumped in under pressure. [/quote]Venting the tyre still leaves normal air inside, at atmospheric pressure, containing 22% of other gases. Inflated with nitrogen, to an average of 2 bars above atmospheric, will reduce this to 7% of other gases.So you pay equivalent of £10 to remove 2/3 of the unwanted gases.How much to remove them all?[:D] Link to comment Share on other sites More sharing options...
Phil & Pat Posted July 25, 2008 Share Posted July 25, 2008 For tubeless tyres, several grand for a vacuum chamber and pump to remove enough of the air for there to be any point in doing it.For tyres with inner tubes it could be done cheaper. Link to comment Share on other sites More sharing options...
sid Posted July 25, 2008 Author Share Posted July 25, 2008 Oh well, it's been worth a tenner to read all these replies [:D]I must admit I was swayed by the claim that there would be little or no air loss. The last lot of tyres seemed to always need top-ups. Time will tell.Sid Link to comment Share on other sites More sharing options...
Phil & Pat Posted July 25, 2008 Share Posted July 25, 2008 [quote user="sid"]Oh well, it's been worth a tenner to read all these replies [:D]I must admit I was swayed by the claim that there would be little or no air loss. The last lot of tyres seemed to always need top-ups. Time will tell.Sid[/quote]Correct Sid, if filled with nitrogen there would be absolutely no air to loose [:D]or lose! Link to comment Share on other sites More sharing options...
Russethouse Posted July 26, 2008 Share Posted July 26, 2008 [:D][:D][:D] Link to comment Share on other sites More sharing options...
cassis Posted July 26, 2008 Share Posted July 26, 2008 [quote user="Phil and Pat"]Correct Sid, if filled with nitrogen there would be absolutely no air to loose [:D][/quote] [:D] [:D] [:D] Link to comment Share on other sites More sharing options...
powerdesal Posted July 26, 2008 Share Posted July 26, 2008 Correct Sid, if filled with nitrogen there would be absolutely no air to loose [:D]ot lose!or lose even [:P] Link to comment Share on other sites More sharing options...
Phil & Pat Posted July 26, 2008 Share Posted July 26, 2008 [quote user="powerdesal"]Correct Sid, if filled with nitrogen there would be absolutely no air to loose [:D]ot lose!or lose even [:P][/quote]Sorry, I'm just breaking in a new set of fingers for an idiot. Link to comment Share on other sites More sharing options...
cassis Posted July 26, 2008 Share Posted July 26, 2008 Go easy - I did that for someone once, and look what happened.[IMG]http://i68.photobucket.com/albums/i26/cassiscassis/sausage/broken_fingers-1.jpg[/IMG] Link to comment Share on other sites More sharing options...
Phil & Pat Posted July 26, 2008 Share Posted July 26, 2008 KO. Link to comment Share on other sites More sharing options...
sid Posted July 26, 2008 Author Share Posted July 26, 2008 [:D] [:D] [:D] [:D]Sid Link to comment Share on other sites More sharing options...
RicandJo Posted July 27, 2008 Share Posted July 27, 2008 On a car I'd say no point really. Nitrogen is used to inflate aircraft tyres because there is no moisture in it which might corrode the wheel assemblies.And as far as losing it through leakage goes there's no difference than if your tyre were filled with normal air. We have to check aircraft tyres each day and top up as necessary. Link to comment Share on other sites More sharing options...
sid Posted July 27, 2008 Author Share Posted July 27, 2008 I think I've got the message now [:$]Thanks guys!Sid Link to comment Share on other sites More sharing options...
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