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tappet
Re: Corner weighting ur 1200???
#20
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Quote:

Mildman wrote:

"a corner higher than the others will induce weight transfer to the opposite corner decreaseing the load on the adjusted corner."

or

"a corner lower than the others will induce weight transfer to that corner increasing the load."

Source: http://www.turnfast.com/tech_handling/handling_tuningtable.shtml


Thanks mildman a very good read..

once the car has been reg'd i will either be running a caltrack system/ watt's link..
or a upper trangulated 2link system(preferred)...

semi slicks for the track/ radials for the street..
no a cage just yet, so will be adding a bit of bracing to the car for now..

i will be getting some decent adj rear shocks(koni), wind down the windows(lower cg) and im ready for cornerweighting..

Posted on: 2007/8/2 16:22
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R-fastmotorsport
Re: Corner weighting ur 1200???
#19
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Hahahaha - lower C of G - priceless

Posted on: 2007/8/2 15:05
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retrorally
Re: Corner weighting ur 1200???
#18
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I think that corner weighting is a very wortwhile task. Tappets car seems to have enough adjustment to make it appropriate.

If you have access to scales why wouldn't you do it? You have all quoted the alternatives, which are great, but the final touch is corner weighting.
Build your house on good foundations, unless you have had your 30 yo chassis on a jig you are kidding yourself not doing it.

Posted on: 2007/8/2 5:38
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L18_B110
Re: Corner weighting ur 1200???
#17
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Quote:

tappet wrote:

well i have adjustable coilovers/koni shocks, disc brakes all round, ca18det, larger front swaybar/ custom rear swaybar... i am going to set up my car for the circut, so is there anything else i should do first..


1) geometry: camber, front roll centre at least, rear too if you are going to do anything about that with a panhard/watts/mumford link, castor and toe
2) steering geometry: check for bump steer and ackerman at least.
3) tyres - good semi slicks. normal road tyres won't be responsive enough to take advantage of subtle changes like wedge.
4) cage - can't seriously set up a car for the track without at least a basic cage. it will totally transform the car's handling and alter your corner weights more dramatically than anything else you move around in the car.
5) I dunno, wind your windows down to lower your Cg

Posted on: 2007/8/2 4:16
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Cameron_Datto
Re: Corner weighting ur 1200???
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I do corner weighting every time i set the w/a up for a track , Mainly set it up on the even weights on both sides , But if track has mainly r/h or l/h turns it tend to put a bit more weight on the inner rear wheel , with out going overboard , as i want it still to pull up under brakes evenly

Posted on: 2007/8/2 3:08
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Mildman
Re: Corner weighting ur 1200???
#15
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I thought the advantage of adjustable height suspension was more about altering the weight transfer characteristics of the car.

So once you drive it on the circuit you can start to tune the heights of each corner of the car based on the amount of over and understeer you get...

"a corner higher than the others will induce weight transfer to the opposite corner decreaseing the load on the adjusted corner."

or

"a corner lower than the others will induce weight transfer to that corner increasing the load."

Source: http://www.turnfast.com/tech_handling/handling_tuningtable.shtml

Posted on: 2007/8/2 2:51
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perthute
Re: Corner weighting ur 1200???
#14
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well if you have done all that then you dont have much left .... but when conering and fule coolant ect ect starts moveing around ,does this make the weighting a wast of time ?

Posted on: 2007/8/2 2:34
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tappet
Re: Corner weighting ur 1200???
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well i have adjustable coilovers/koni shocks, disc brakes all round, ca18det, larger front swaybar/ custom rear swaybar... i am going to set up my car for the circut, so is there anything else i should do first..

Posted on: 2007/8/2 2:18
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perthute
Re: Corner weighting ur 1200???
#12
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yea i wiould do a lot of other things before i worried about weighting my ute

Posted on: 2007/8/2 1:46
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1200GXman
Re: Corner weighting ur 1200???
#11
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Quote:
for road cars that do an ocassional track day? much better off sorting out alot of other things that will have bigger impact on your handling than cross weighting.


Agree. I can think of a few things.
1. Better brakes.
2. Firmer springs in the suspention.
3. More power.
4. Better tyres.

Posted on: 2007/8/2 1:41
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