UK Karting - Notice Board (General Karting) : Re: negative camber

Notice Board (General Karting)

Re: negative camber
Posted by 'itpro' on 23 Mar 2010 @ 09:56

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itproJoined: August 2001
Total Posts: 6
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Do remember that the negative camber is there to make your tyres 'present' themselves at the 'correct' angle in the CORNER and NOT on the stand or the straight.

Your kart will 'lean' and the chassis will flex under cornder loadings, it's highly possible that the tyre WILL be at the 'correct' angle in the corner when it looks totally 'cocked' on the straight. Have a look at this picture of the Mclaren in 2007

http://formula1.files.wordpress.com/2007/01/mclaren_mp4-22_1.jpg

The outside of the tyre is not even TOUCHING the ground!

How can you find out if you have the correct angle? Go to Maplins and buy:

http://www.maplin.co.uk/Module.aspx?ModuleNo=221048

or

http://www.maplin.co.uk/Module.aspx?ModuleNo=223005

Then, drive the kart 'heartily', return to the pits smartly and take the tyre temp across the WIDTH of the tyre. If it's not fairly even, you can change the camber and/or the tracking.

However, the only way you can be CERTAIN about it is to fit new tyres and then do the test. At the moment, the tyre is nothing LIKE the shape it's 'supposed' to be and thus the readings will be weird anyway.

On that subject, changing to new tyres may well remove your understeer anyway! To have worn away quite that much, I assume they are pretty old.... last season? If so, all bets are OFF!

Finally, test your weight distribution to check out the understeer; if you don't have 'scales' simply try leaning FORWARD in a corner on turn-in. If the understeer disappears (which it will!) and, assuming everything else is correct, you might try moving you main weights (e.g., YOU) forward!

Ian

Message Thread:

negative camber by 'kart800wakefield' (21 Mar 2010 @ 21:49)

Re: negative camber by 'Traxtar' (21 Mar 2010 @ 22:14)

Re: negative camber by 'Ditch' (22 Mar 2010 @ 7:12)

Re: negative camber by 'RWR' (22 Mar 2010 @ 9:10)

Re: negative camber by 'dave56' (22 Mar 2010 @ 20:23)

Re: negative camber by 'kart800wakefield' (23 Mar 2010 @ 9:27)

Re: negative camber by 'itpro' << You are here!

Be aware .. by 'Chads' (23 Mar 2010 @ 22:50)

Re: Be aware .. by 'kart800wakefield' (24 Mar 2010 @ 17:44)

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