 | Home > Technical > Who is using Nitrogen in his or het tyres and why? |
 
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| roel Member Since: 08 Aug 2009 Location: Lelystad Posts: 2039   
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Who is using Nitrogen in his or het tyres and why?
Please answer the question honestly before watching the movie. http://www.youtube.com/watch?v=bCnWvMleVD0 Roel 1984 90 2.5 na Diesel - RR V8 (1994-2001) 1997 Camel Trophy Discovery 300TDI (2001-2009) 2005 G4 Discovery III 4.4 V8 (2008-2018) It's gone but it still hurts. 2003 90 Td5 (2009-now) |
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18th Nov 2016 9:36am |
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| Eduardo Member Since: 28 Aug 2008 Location: Región Metropolitana Posts: 2110  
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Not in mine mind also... Eduardo
MY 2007 110 SW PUMA 2.4: Big Fog of 64' MY 1994 Jayco 1207 Folding camper: "El Tremendo"  Click image to enlarge |
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18th Nov 2016 10:32am |
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| dorsetsmith Member Since: 30 Oct 2011 Location: South West Posts: 4554 |
The theory behind it is air leak out through rubber over time, the nitrogen has larger molecules but even on good day you will not get all the air out to be replaced nitrogen car tyre big wast of money
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18th Nov 2016 10:54am |
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| Marks Landy Member Since: 09 Feb 2015 Location: Cheshire Posts: 299  
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Fantastic way to waste your money..
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18th Nov 2016 11:17am |
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| leeds Member Since: 28 Dec 2009 Location: West Yorkshire Posts: 8582
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Now the air we normally breathe consists of about 80%nitrogen, 15% oxygen and 5% carbon dioxide.
Note those percentages are approximate So replacing air with nitrogen all you are doing is increasing the nitrogen content from about 80% to 100% So if the argument is that the oxygen escapes easier through the rubber wall of a tire you only lose 15% of the contents of the tyre. Now the argument about molecular size of oxygen or nitrogen? Now I am not going to try and explain various differences. IF you are interested in an explanation of the effects of nitrogen and oxygen on tyres read this I can understand the argument for using nitrogen in aircraft tyres as they could be considered even more safety critical then a car tyre. Will I be rushing out to inflate vehicle tyres with enriched Nitrogen? No Brendan |
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18th Nov 2016 12:59pm |
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| YOLO110 Member Since: 14 Feb 2015 Location: Perth Oz and Stansted UK Posts: 1645 
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... The main reason is that Nitrogen also assists with the elimination of oxygen and water vapour from the tyre which can cause both corrosion of the rim and oxidation of the tyre casing. This is an important factor for tyres that require a longer service life or for vehicles in continuous operation such as transport. YOLO... You Only Live Once... |
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18th Nov 2016 1:02pm |
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| rallysteve Member Since: 10 Feb 2014 Location: Cumbria Posts: 2237 
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Have it in all of my car tyres. Mostly as it comes free as part of costco Michelin tyre fitting.
As said, whole point is meant to be to reduce water content. 02' 110 TD5 Double Cab Rebuild Thread |
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18th Nov 2016 1:18pm |
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| RFT Member Since: 13 Nov 2010 Location: Cheshire Posts: 679 
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Provided the air compressor has decent after cooling and water separation then the water content is insignificant. Molecular size difference is irrelevant as the only small ones He & H2 are trace %
Defender tyres max temp cycle is around 20degrees C in U.K. And it takes hours. Aircraft tyres ten cycle is minus 40degC to plus 60degC is a few minutes. No real comparison! 130 Puma HCPU with an Artica 240LR Demountable Camper |
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18th Nov 2016 1:39pm |
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| gilarion Member Since: 05 Dec 2013 Location: Wales Posts: 5111  
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Molecules, science of air…
Bring back solid rubber tyres 
I'll get me coat  For those who like Welsh Mountains and narrow boats have a look at my videos and photos at..
http://www.youtube.com/user/conwy1 Last edited by gilarion on 18th Nov 2016 1:52pm. Edited 1 time in total |
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18th Nov 2016 1:50pm |
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| Marks Landy Member Since: 09 Feb 2015 Location: Cheshire Posts: 299
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Please don't make the mistake of thinking N2 been used in aircraft tyres has anything to do with molecule size or any other hocus pocus these thieves will tell you.
Its used on aircraft because its non combustable, so should there be a overheated brake unit (normally due to rejected take off) that melts the thermal fuse you don't fan the hot brake making a massive fire under the fuel tanks... The only possible benefit of using N2 in a car tyre is to reduce temperature building up due to friction, therefore increasing pressure. But, any temp and pressure reduction will be so small you would never be able to even measure it let alone feel the difference. My advice would be -Save your cash, or spend it on a good tyre pressure gauge and use it regularly... |
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18th Nov 2016 1:50pm |
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| CarMan Member Since: 29 Nov 2010 Location: Cotswolds Posts: 1862
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I am not using on any car but understood it avoided temperature related pressure changes, as previously said. Rob
1993 200tdi 90 hard-top 1998 300tdi 90 soft-top 2016 2.2 XS 90 hard-top (sold) |
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18th Nov 2016 2:29pm |
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| Riccarton Member Since: 10 Aug 2015 Location: Gods' Own Country Posts: 280  
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It's all to do with fire risk as already mentioned. F1 use it as they store it in the pits and if there's a fire then it would become bombs in the making if it were air.
Despite this tyre fitter have sold it to customers on the grounds that F1 use it because:- it doesn't leak out as fast, gives a better cushioning, stops the tyres overheating, etc, etc. I have supposedly educated family members that fell for it and they've been teased ever since  |
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18th Nov 2016 9:43pm |
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| K9F Member Since: 12 Nov 2009 Location: Bournemouth Posts: 9610 
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As mentioned by Riccarton, Leeds and others, below is more or less a cut and paste of what I wrote in answer to exactly the same question on a motorcycling forum.
It is somewhat of a myth with some benefits for those that race or fly. Whether air or Nitrogen is used pressure is pressure and a leak is a leak. Pure Nitrogen is denser but not by much. Read on....The air we breathe and put into our tyres contains 78% Nitrogen anyway. Do you honestly think in the Land Rover Defender scheme of things it is going to make such a huge difference replacing the remaining 21% Oxygen and 1% other gas for Nitrogen? I was in the Air Force for many years and Nitrogen is used in aircraft tyres to prevent moisture content and associated freezing problems at -40c whilst in flight and subsequent landing imbalance of wheels possibly due to the frozen moisture content. The inert stable characteristic of Nitrogen is also beneficial as stated in the event of fire and is also used to purge empty fuel tanks of fumes in certain applications to prevent explosion in the event of being impacted by fire. The less moisture content also reduces corrosion and makes tyres operate better in extremes of operating temperatures in the racing fraternity. In our world as Joe Public I think I'll carry on using the free supply at my local Co-Op garage. Unless of course I can lay my hands on a mega cheap Nitrous Oxide injection kit and intend driving my 90 through the sound barrier, I will then fill my tyres with 100% Nitrogen. If you go through life with your head in the sand....all people will see is an ar5e!! Treat every day as if it is your last....one day you will be right!! |
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18th Nov 2016 11:01pm |
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| Morepower Member Since: 08 Jan 2013 Location: Fife, Scotland Posts: 630 
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In theory if you can purge all the moisture content from the tyre and fill it with nitrogen. Then you will have a more stable air pressure. (Less moisture to expand with heat and obviously freeze in lower temperatures).
There are some SMALL gains to be had in tyre life if the pressure stays constant and the tyre should run slightly cooler.. these are more noticeable under extreme conditions and high load / high speeds.. Not exactly a normal for a defender of any type. However I suppose if you where going to drive flat out across Europe only stopping for fuel and tolls then you may have slightly more tread left when you reached your destination 
Cheers Tim It doesn't matter how bad it is, It can always get worse... 2013 Bowler 110 (Sold) 2016 Bowler 90 Rally Spec (Sold) |
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19th Nov 2016 7:44am |
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