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    • rich13348
    • By rich13348 20th Apr 17, 12:47 AM
    • 721 Posts
    • 390 Thanks
    rich13348
    thanks, that makes sense.

    on a dry flat road do slick or tready tyres have more grip, out of interest?
    Originally posted by kmb500
    In not sure about that. Interesting question.

    Given that F1 uses slicks on a perfect smooth tracks I am tempted to say slicks due to more surface area.

    However this point is moot as you cannot in the UK guarantee dry road for more that an hour and flat road is never guaranteed.
    • almillar
    • By almillar 20th Apr 17, 12:56 PM
    • 6,768 Posts
    • 2,689 Thanks
    almillar
    Slick tyres have more grip, of course, otherwise dry racing tyres would have grooves. Independent of compound etc, you want to have maximum contact area with the road.
    So when you're driving on the dry flat road with your legal tyres, you've got air gaps which gives you less grip - your dry road driving is compromised by the trade-off of having the tread that allows you to drive in the wet.
    In the wet, you still want the tyre to contact the road. To do this, you need to provide space for the water to channel, let the water out, so the tyre still touches the road. There will be a speed where the water can't clear, and the tyre lifts up onto a film of water. That's aquaplaning, which you don't want.
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