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Associated RC 12 R5.2

Old 12-12-2013, 12:23 PM
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I want to clarify you said run 4 to 5 degrees castor but if you get 6 degrees something is wrong with the car. I run stock settings of 10 degrees I was going to this weekend try that tire combo would you say change it to 5 degrees. I was experiencing the same thing but I it seemed like my car would square up going into the corner

Thanks Chris
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Old 12-12-2013, 04:34 PM
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Originally Posted by sdunnmcp View Post
I would increase castor. I am also assuming you are running the correct tires for your class. Increasing castor increases camber gain and increases weight jacking, which make the rear end feel like it is coming around. Here is what I suggest:
17.5 Blinky - Blue Rear and Black or Gray front, if high bite Green rear.
13.5 - Blinky Blue rear and Team Purple front.
Mod - longer conversation

If you are running the tire combo above then set castor at 4-5 degrees and go up or down from there. If you get to 6 degrees of castor something is probably wrong with the car.
Hope this helps.
Steve Dunn
Pro One R/C
I am running th Black fronts with green rear tires.
I will have to look at my caster. I thougth I had it set at the 10 deg. with the shims set with 3.25.
center spring blue 30wt
side springs sliver when traction increases with 15K in tubes and 1mm pod droop.
Front:
.20 springs with 100K lube and NO droop. Camber I think is like 1 deg.
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Old 12-12-2013, 05:22 PM
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Originally Posted by sdunnmcp View Post
I would increase castor. I am also assuming you are running the correct tires for your class. Increasing castor increases camber gain and increases weight jacking, which make the rear end feel like it is coming around. Here is what I suggest:
17.5 Blinky - Blue Rear and Black or Gray front, if high bite Green rear.
13.5 - Blinky Blue rear and Team Purple front.
Mod - longer conversation

If you are running the tire combo above then set castor at 4-5 degrees and go up or down from there. If you get to 6 degrees of castor something is probably wrong with the car.
Hope this helps.
Steve Dunn
Pro One R/C
What's the difference/advantage of Blue rears over Yellow rears?
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Old 12-12-2013, 05:37 PM
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Hello Jaybee,


The Blue rear is a Magenta / Yellow mix with this compound and the green compound you get more consistent traction. Over the magenta and pink compounds.

Hope this helps
Mike



Originally Posted by JayBee View Post
What's the difference/advantage of Blue rears over Yellow rears?
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Old 12-12-2013, 05:59 PM
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Thanks Mike. It helps alot. Does the Green have more rubber content?
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Old 12-12-2013, 06:04 PM
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Originally Posted by Mugen10 View Post
I will have to look at my caster. I thougth I had it set at the 10 deg. with the shims set with 3.25.
.
Steve was talking about total castor angle of the king pin not the reactive castor setting. Slapmaster makes a gauge and some guys also use a camber gauge to get it close.

with any car you should check the left to right angle and make sure they are even, I've seen many cars of all brands have the same shims on both sides and come to find out the left has 3 degrees and the right 7. You can tweak your car all you want, if its like that youll be spinning out in one direction and pushing or ok in the other.
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Old 12-12-2013, 07:41 PM
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Hey Jaybee,

Im not sure on that question, But the best two people to ask are.. Steve Dunn ( sdunnmcp) (ProOne RC) 1/12th tires. And Paul C (chicky03) They both will be able to better answer that question.

Hope this helps
Mike

Originally Posted by JayBee View Post
Thanks Mike. It helps alot. Does the Green have more rubber content?
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Old 12-13-2013, 10:11 AM
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Originally Posted by JayBee View Post
Thanks Mike. It helps alot. Does the Green have more rubber content?
Green and blue are the same rubber family, Green is just softer.
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Old 12-14-2013, 10:27 AM
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I figured the 13lb center springs i had on hand would be too stiff but i guess the car worked pretty well most of last night. It was not my home track with different traction than im used to and some jumps in the carpet but with the larger touring car shock and lightest available ae spring car ended up with lots of traction and very fast response. Twitchy but never kicking out the backside.

Whether this will work in mod is another story. Ill have to wait til jan4th to give it a test.
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Old 12-20-2013, 07:34 PM
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This thread hardly sees any activity....what's up with that? The car must be dialed!!
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Old 12-21-2013, 03:00 AM
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Mine is dialled! All kit components with Rick's set-up from the 2012 Worlds and it is faster than I can drive it. The current leader in our BRCA National 13.5 Stock Championship is running an out of the box car with silver side springs and handing us our arses on a plate!

Great car, what's not to like?!!
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Old 12-21-2013, 09:39 AM
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Originally Posted by Mugen10 View Post
Does making the rear wheel width wider make the rear of the car feel less stable. I feel that the rear of my car is too connected and bogging my corner speed and motor down mid corner. I am not sure what you would call this or if it is just a common effect with foam tires. It just appears that my car is not ripping out of corner like some other guys.
So I am just looking for some setup changes that I could try to see if it will help.
I made the rear a bit wider and it seem to help. I still have the slight push mid corner in slow section of track. Will switching from BSR green to BSR blue help free the car a bit?
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Old 12-21-2013, 09:47 PM
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I see no 17.5 setup anywhere in this thread...
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Old 12-21-2013, 10:29 PM
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Originally Posted by JayBee View Post
I see no 17.5 setup anywhere in this thread...
Maybe there is a reason lol, check petitrc.com
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Old 12-22-2013, 04:51 AM
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Originally Posted by JayBee View Post
I see no 17.5 setup anywhere in this thread...
I posted this a few post before you posted this.

I am running th Black fronts with green rear tires.
I will have to look at my caster. I thougth I had it set at the 10 deg. with the shims set with 3.25.
center spring blue 30wt
side springs sliver when traction increases with 15K in tubes and 1mm pod droop.
Front:
.20 springs with 100K lube and NO droop. Camber I think is like 1 deg.


This is a 17.5 blinky setup. The front has the max caster setting other than the smaller shim in the front and thicker shim in rear on upper arm.
I do have the front about 2mm wider (per side) with shims.
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