R/C Tech Forums

Go Back   R/C Tech Forums > General Forums > Nitro On-Road

Reply
 
Thread Tools Search this Thread
Old 05-16-2005, 11:28 AM   #1
Tech Champion
 
Join Date: Sep 2002
Location: Chicago Illinois USA
Posts: 9,106
Trader Rating: 16 (100%+)
Send a message via ICQ to Solara Send a message via AIM to Solara
Default 1/8th tire truing question

I am new to the 1/8th racing....(well, the car, engine are still on the shelves, but eventually, it will be on the track).......and I've realized that all the 1/8th rear tires are needed to ture with pre-camber (like 1 degree or so) before racing...why is that? I am sure that has to do with traction, but why that is only on 1/8th rear tires, but not 1/10th seden..?
I realized that on 235mm as well......is that has to do with wide format rear foam tires only?

Thanks.......
Solara is offline   Reply With Quote
Old 05-16-2005, 12:17 PM   #2
Tech Champion
 
R40Victim's Avatar
 
Join Date: Jan 2005
Location: N.W. FL___L.A.___Lower Alabama
Posts: 7,823
Trader Rating: 1 (100%+)
Default

I haven't been pre-truing mine. I got my rear suspension right, then just drive on the new tires until they wear in a bit...then it's race ready. No need to cut them, just break them in naturally...
R40Victim is offline   Reply With Quote
Old 05-16-2005, 01:08 PM   #3
Tech Champion
 
Join Date: Sep 2002
Location: Chicago Illinois USA
Posts: 9,106
Trader Rating: 16 (100%+)
Send a message via ICQ to Solara Send a message via AIM to Solara
Default

Quote:
Originally posted by R40Victim
I haven't been pre-truing mine. I got my rear suspension right, then just drive on the new tires until they wear in a bit...then it's race ready. No need to cut them, just break them in naturally...
Oh....of course, I am sure it will be fine by just setting it 2 degree negative in general, but I have been seeing all those 8th scale setting up that way, just want to know that is necessary....may be something I don't know.............(for my own information)
Solara is offline   Reply With Quote
Old 05-16-2005, 01:19 PM   #4
Tech Champion
 
Join Date: Sep 2002
Location: Chicago Illinois USA
Posts: 9,106
Trader Rating: 16 (100%+)
Send a message via ICQ to Solara Send a message via AIM to Solara
Default

I think I've answered my own question........but still, I don't see why that is necessary, espeically when the car is turning, it will have LESS contacting surface instead of no pre-cambered tires...

http://www.mytsn.com/forums/forum.as...=1&sm=0&fi=101

Also, another one from Serpent Guru, Arturo Carbonell

http://www.mytsn.com/publ/publ.asp?pid=2665
Solara is offline   Reply With Quote
Old 05-16-2005, 04:14 PM   #5
Tech Elite
 
AMGRacer's Avatar
 
Join Date: Oct 2001
Location: Brisbane, Australia
Posts: 3,939
Default

Rookie the way I think of it is like this. On most of the tracks I run at wearing the tire flat is the best way to set the camber. If the tire is wearing flat, then you can basically say that the entire face of the tire is being used fairly efficiently.

However at one large and fast track I go to I like to use more camber than you would normally say is "optimal" to get the car to stick better in the bends. The tire ends up wearing into a cone, around 1 degrees angle. If I leave my car like this and put some new square tires on you are actually not using the full contact patch until the tire wears back into the cone. Pre-cambering them to 1 degree will allow you to get the optimal contact patch from the start.
AMGRacer is offline   Reply With Quote
Old 05-16-2005, 05:03 PM   #6
Tech Addict
 
fraz's Avatar
 
Join Date: Mar 2002
Location: Santa Cruz, CA
Posts: 653
Send a message via AIM to fraz
Default Re: 1/8th tire truing question

Quote:
Originally posted by Rookie Solara
I am new to the 1/8th racing....(well, the car, engine are still on the shelves, but eventually, it will be on the track).......and I've realized that all the 1/8th rear tires are needed to ture with pre-camber (like 1 degree or so) before racing...why is that? I am sure that has to do with traction, but why that is only on 1/8th rear tires, but not 1/10th seden..?
I realized that on 235mm as well......is that has to do with wide format rear foam tires only?

Thanks.......
You need to do this so the full surface of the tire touches the ground. Even on high grip or high abrasion surfaces, it takes time for the tire to square up and sometimes that is not available. Just think about when you cut a new set of tires for the main. You want them to be perfect grip right when the horn sounds, right?
fraz is offline   Reply With Quote
Reply

Similar Threads
Thread Thread Starter Forum Replies Last Post
Can someone explain tire truing. sm1nts2escape Nitro On-Road 12 07-24-2008 04:32 PM
TC4 Tire Truing Question jeffbhhs Electric On-Road 2 01-10-2007 12:32 PM
Tire truing MK_Arbiter Electric On-Road 14 10-23-2006 01:55 PM
Questions on Tire Truing and the Eagle Racing Tire Truer nitro_tacklebox Electric On-Road 5 04-21-2005 03:39 PM
Foam Tire Truing StepPins Nitro On-Road 84 10-11-2003 07:41 AM



Currently Active Users Viewing This Thread: 1 (0 members and 1 guests)
 
Thread Tools Search this Thread
Search this Thread:

Advanced Search

Posting Rules
You may not post new threads
You may not post replies
You may not post attachments
You may not edit your posts

BB code is On
Smilies are On
[IMG] code is On
HTML code is Off
Trackbacks are On
Pingbacks are On
Refbacks are Off



All times are GMT -7. It is currently 07:00 PM.


We are a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for us to earn fees by linking to Amazon.com and affiliated sites.
Powered By: vBulletin v3.9.2.1
Privacy Policy | Terms of Use | Advertise Content © 2001-2011 RCTech.net