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Old 12-04-2007, 03:40 PM
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Default General questions about suspension setup

I've got some questions about setup for my TC. I'm just looking for general guidelines to go by.

First, sway bar settings. Generally speaking does stiffer sway bars give more or less traction?

Roll center. Does moving the camber link to a new hole change roll center? Moving it up or down on the shock tower does what to traction?

Rear toe. Does more rear toe (ie -2*) give more or less traction?

Thanks in advance.
Darrin
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Old 12-04-2007, 04:20 PM
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http://www.teamxray.com/teamxray/news/newsdesc.php?news_id=732&kategoria=732&catName=XRA Y%20T2%20Download%20Files"

The link will take you to the Xray site. On the page the 2nd downloadable item "XRAY T2 Set-Up Book" is a PDF of the Set-Up book.. Which is a great overview for Touring Car Set-up.. Extremely well written regarding what chassis changes and how those changes affect the cars handling.. It's specific to XRAY T2, but most all the touring cars today use a similiar suspension layout.

At the bottom of the page is a "Cheat Sheet" that's nice to have handy too. "XRAY T2 Quick Reference Table" When you open this up, scroll down and you'll find a very handy "Cheat Sheet" on what to change when your car is over or under steering..

Darin
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Old 12-04-2007, 10:25 PM
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Default Setups

ok allot of questions there. I'll answer as best as I can, look at this site. It's a real technical site with lots of good information. It's not just a set-up for one RC car but basicly a good guild line to go by for all.

http://home.scarlet.be/~be067749/58/intro.htm

A stiffer sway bar will generally give you less traction because what it is doing is not allowing the suspension to roll. By not allowing it to roll it's not allowing it to put weight on the outside tires while cornering. Your car is constantly balancing whether braking, cornering or accelerating.

Roll center does change with Camber link location. Check that site for Chapter 2, it has an awesome explaination. Also Roll Center changes by placing shims underneath the ball studs. Your Roll Center ( Camber Link locations ) will effect the amount of Camber change during your suspension travel. ( up and down )

Rear Toe end will settle your back end, give you some more traction. I wouldnt go over 2 degrees.

The important thing to remember is this. Your car is under constant balance, your front end and the back end. What ever you do to one end will have an effect on the other. As they preach do one change at a time and test it.
Check out that site, its very helpfull!
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Old 12-04-2007, 11:04 PM
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Here's a link with a quick overview of all the (touring car) adjustments: http://home.scarlet.be/~be067749/58/ .

"Toe-In

Toe-in at the rear make's your car more sticky at the back and easier to drive This may stabilize your car. But be careful, this is a very sensitive adjustment.

http://rctouring.eu/Toe.htm"


And here a link for some information about the roll-bar: http://home.scarlet.be/~be067749/58/tc/arollb.htm

Greetings Victor
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Old 12-05-2007, 02:19 AM
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Thanks guys. Just what I was looking for, some general guidelines to know which direction I'm going if I change a setting.

Darrin
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Old 12-05-2007, 03:45 AM
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Heres some links for setup manuals.

http://www.teamxray.com/teamxray/sho...p?file_id=2525

http://www.serpent.com/file.php?FileID=4897

http://home.tiscali.be/be067749/58/

and this is a great quick refernce guide.
http://i6.photobucket.com/albums/y23...setupguide.jpg
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Old 12-05-2007, 03:59 AM
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Which car do you have?

Originally Posted by fruitland04
First, sway bar settings. Generally speaking does stiffer sway bars give more or less traction?
sway bars reduce grip on that end

Originally Posted by fruitland04
Roll center. Does moving the camber link to a new hole change roll center? Moving it up or down on the shock tower does what to traction?
Higher up on the shock tower gives more grip

Originally Posted by fruitland04
Rear toe. Does more rear toe (ie -2*) give more or less traction?
more toe in gives more grip
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Old 12-05-2007, 04:33 AM
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Be careful in what you change mind,only change one or two things at a time as MOST changes also have a negative effect aswell as a postive one....

Good luck
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Old 12-05-2007, 09:20 AM
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You probably already know this, but be sure to start with a straight chassis and equal length shocks. Also, journal your changes. It's easy to get lost in all the adjustments these cars have. Most manufacturers have blank setup .pdf's on their websites--get one.
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