parthiban Posted September 6, 2013 Report Share Posted September 6, 2013 This is mainly one for Tony as I'm sure he's told me in the past, but what is it that makes wide tyres (like the ones on our Merc) wear really quickly in the centre? I remember you saying it isn't a pressure issue or anything and it is just characteristic of wide tyres, but can't remember why! Quote Link to comment Share on other sites More sharing options...
andyelcomb Posted September 6, 2013 Report Share Posted September 6, 2013 I'll be interested to hear what he says because I can't imagine anything causing middle wear other than too high pressure. Quote Link to comment Share on other sites More sharing options...
Tony Posted September 6, 2013 Report Share Posted September 6, 2013 The level of wear would depend on the driving environment like mainly around town or mainly motorway...... The biggest criminal is centrifugal force pulling the weaker centre at bit like what you see from a dragster tyre on launch. The next criminal is water As the tyre heats up the moisture in the air expands and in doing so it adds pressure over-inflating the tyre, it's for this reason nitrogen inflation is much better than water impregnated compressed air. Quote Link to comment Share on other sites More sharing options...
parthiban Posted September 6, 2013 Author Report Share Posted September 6, 2013 The level of wear would depend on the driving environment like mainly around town or mainly motorway...... The biggest criminal is centrifugal force pulling the weaker centre at bit like what you see from a dragster tyre on launch. The next criminal is water As the tyre heats up the moisture in the air expands and in doing so it adds pressure over-inflating the tyre, it's for this reason nitrogen inflation is much better than water impregnated compressed air. So the wear is caused by the centre of the tyre being pulled outwards once driving at speed (in very simple terms)? That makes sense, so I guess that a car used around town mainly would be better on tyres than one used on the motorway. Thanks Tony, I'll try to remember it this time! There's a discussion on this over on the Merc forums and someone asked the question of "why" which I couldn't remember Quote Link to comment Share on other sites More sharing options...
Tony Posted September 6, 2013 Report Share Posted September 6, 2013 Motorway drivers using compressed air will fair the worst but even with nitrogen inflation you cannot totally defy the power of centrifugal force. Quote Link to comment Share on other sites More sharing options...
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