Thursday 11th September 2003
Tyre Talk
Julian Smith from Ride Drive explains some of the dangers of neglecting your rubber
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V8Dan
Original Poster
6 posts
136 months
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Oh well then, everytime I 'kerb' a tire I'll just have to buy a new pair!.......
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alans
2,622 posts
126 months
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everytime I go over a pot hole, new tyres?
anybody tried nitrogen in their tyres?
>> Edited by alans on Thursday 11th September 13:14
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Buffalo
4,993 posts
124 months
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According to a DETR leaflet i have the maximum fine for a tyre defect is 3-6points and 1000 PER defect. So 2 defects could be quite a severe situation.... Tyre condition is something i think is important....! 
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PetrolTed
33,945 posts
173 months
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V8Dan said:| Oh well then, everytime I 'kerb' a tire I'll just have to buy a new pair!....... |
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LexSport
2,697 posts
119 months
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Well, judging by the number of tyre threads currently showing up in "What's New?", it looks as though this has jogged a few people into action. Speaking of which, anyone know any good tyre review sites? Ted, how about adding a Tyres section to the Reviews part of the site so people can give their opinions on wet/dry grip balance of the Yokohama A520 compared to the Dunlop SP Sport 9000. 
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edc
3,998 posts
121 months
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I got nitrogen in my tyres. Pressure stays pretty constant; even adding a bit of air to it for a few experiments has no ill effect.
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d3ano
6,108 posts
123 months
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Different gases in the tyre.
we all put normal air in our tyres, but what would happen if you put another gas in there. e.g hydrogen or nirogen...?
Also when your car is moving does the air inside the tyre move also?
>> Edited by d3ano on Thursday 11th September 17:37
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RichB
24,384 posts
154 months
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d3ano said:| e.g hydrogen or nirogen...? |
Well I guess Hydrogen would reduce the unsprung weight!
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Trefor
13,191 posts
153 months
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Helium! 
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chief-0369
1,195 posts
122 months
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no, hydrogen is lighter. shame its explosive more of a blow up than a blow out then >> Edited by chief-0369 on Thursday 11th September 18:04
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jazzybee
2,736 posts
119 months
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Why don't manufacturers put up technical info on their site. Tyre related info would be one of those things. Select you vehicle type, options etc. and have a list of recommended consumable details: Tyre sizes, recommended patterns, pressures, brake pad part number/size, oil type, spark plug type etc.
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Fatboy
7,292 posts
142 months
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d3ano said:Different gases in the tyre.
we all put normal air in our tyres, but what would happen if you put another gas in there. e.g hydrogen or nirogen...? |
Air is 70% (ish) nitrogen, 20% (ish) oxygen and some other gases (carbon dioxide, noble gases etc) so the benefit off using pure nitrogen is that as it's one type of molecule in there, it's carateristics are more uniform, pluss the abscence of oxygen helps reduce the chances of the tyre decaying on the inside (UV is still the biggest killer of tyre though) d3ano said:
Also when your car is moving does the air inside the tyre move also?
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All the molecules in air are constantly whizzing about all the time, but I would guess that the rotation of the tyres would also cause the a drift in the motion of the molecules in the direction of rotation, but their motion will still be faily random. >> Edited by Fatboy on Thursday 11th September 18:59
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timbob
1,842 posts
122 months
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Buffalo said:According to a DETR leaflet i have the maximum fine for a tyre defect is 3-6points and 1000 PER defect. So 2 defects could be quite a severe situation....
Tyre condition is something i think is important....! |
This is true - get pulled over with a set of bald tyres...3 points per bald tyre...bye bye license!!!
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The DJ 27
2,666 posts
123 months
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Nitrogen doesn't have anything like the pressure change of air as the tyre heats up, if you know what I mean. Thats why F1 teams fill their tyres with pure nitrogen. It makes setting tyre pressures easier, because it doesn't change by a huge amount as the tyre heats up
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edc
3,998 posts
121 months
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jazzybee said:Why don't manufacturers put up technical info on their site. Tyre related info would be one of those things. Select you vehicle type, options etc. and have a list of recommended consumable details: Tyre sizes, recommended patterns, pressures, brake pad part number/size, oil type, spark plug type etc.
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You can get this from your dealer or Haynes manual.
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gt5s_1985
634 posts
126 months
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The DJ 27 said:| Nitrogen doesn't have anything like the pressure change of air as the tyre heats up, if you know what I mean. Thats why F1 teams fill their tyres with pure nitrogen. It makes setting tyre pressures easier, because it doesn't change by a huge amount as the tyre heats up |
By using pure nitrogen you don't have any water molecules in your tires as you would if you used ambient air. As your tires heat up, the water molecules apparently expand significantly, which is why your tire pressure changes. I've got nitrogen in the tires of my daily driver, which was pretty much a waste of 2 euros/tire, but sounded cool at the time! No noticeable difference, but I wasn't expecting any either...
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m-five
5,938 posts
154 months
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If I had to replace a tyre every time I hit a pot-hole I would have to get the council to set up an account with my local tyre dealer!
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