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Old 12-28-2009, 12:14 PM   #1
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Default thick or thin chassis

Thick or thin chassis for carpet (rubber and some foam) 3.6 on the thick one and 2mm on thin one, both carbon fiber. Which one should I go to? any help is appreciated.
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Old 12-28-2009, 12:17 PM   #2
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The thinner one is for rubber. You can make either chassis work for either tires but your going to have to change the setup. Decide which your going to run most and get that chassis.
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Old 12-28-2009, 03:16 PM   #3
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Quote:
Originally Posted by cheehtae View Post
Thick or thin chassis for carpet (rubber and some foam) 3.6 on the thick one and 2mm on thin one, both carbon fiber. Which one should I go to? any help is appreciated.
i would say thick with getting an optional thin upper deck if available as flex for foam is not wanted and for rubber carpet it is still in pretty much the same boat. maybe a slighlty flexier top deck would give a tad more overall steering if needed for rubber!! but for peice of mind my brother runs a jrxs type r on rubber and it is as stiff as they get!! but also we have modified his top deck to give a little flex for better overall handling charecteristics but it is always fast on rubber.
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Old 12-28-2009, 03:26 PM   #4
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Chassis flex is vary important in handling. Carpet chassis are going to be much more ridgid, and will flex less. Chassis set up for asphalt are going to flex more. So if you're going to race carpet, you want a thicker chassis with a foam tire setup. And a thinner chassis for asphalt, with a rubber tire setup. But either tire can work for both surfaces.
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Old 12-28-2009, 10:07 PM   #5
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In carpet you use softer tires for better grip. Asphalt you need harder tires.
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Old 12-29-2009, 04:00 AM   #6
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If the track you race at is very small and twisty, I have preferred a stiffer chassis when using foam tyres.

the car seems to feel like it has more rotation, which to me feels like it is aided by the thicker chassis, although tyre choice and car setup is very important too. The track I race at is 10x15m and is high grip.

hope that helps
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Old 12-29-2009, 04:58 AM   #7
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racing will be mostly carpet rubber , with a chance of foam carpet.
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Old 12-29-2009, 05:17 AM   #8
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racing will be mostly carpet rubber , with a chance of foam carpet.
Thin chassis, possibly a thin and thick upper deck, if that's an option.
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