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Jammin X1 CRT fiber brake discs -
01-11-2006, 12:39 PM
I really loved having a really fast throttle servo in my buggy. I was however disappointed when I used the same servo in the CRT. I was aware that Cradock/fiber disk systems required a good servo. I went out and picked up an Airtronics 358 and installed it. The stopping power is much better now, but it still doesn't have the power to lock up the wheels on high traction surfaces like the aramid pad/steel disc setups were able to do. Unless I decrease the end point, the servo will stop at its limit possibly burning out the motor/amplifier board. It's simply not strong enough yet. Short of getting another yet slower, and stronger servo, I was thinking about scuffing up the discs and the pads with some 320 grit paper.
I also considered moving the point where the brake linkage set attaches to the servo horn inward, decreasing the radius and increasing torque. I don't have the proper parts to do that. I ordered another set of brake discs (#40666) and another set of pads (#36660) and going with a quad brake setup. Unfortunately, the discs won't be in stock for 2 to 4 weeks: unacceptable when I need to be at LHR in a few days. Has anyone had experience with this type of brake system? 
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01-11-2006, 01:02 PM
I use Craddock type brakes on my XB8 and love'um. You sure you got the spacing between the pad and disc right ? I had to set my EPA to almost 45 to get the car from locking up when toughing the brake.
I've got about 3 gallons on the current disc.
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01-11-2006, 02:36 PM
Quote:
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01-11-2006, 02:48 PM
if anything with the craddocks u would need a weaker servo, as they provide prolly the best stopping ppower out there. I would check the other components of the linkage before trying different servos/different breaks. do u have the stoppers on the break linkage just touching the brake levers? it may seem like ur on full break, but if ur linkage is messed up u wont have any
www.czech-it-out-graphics.com 1/29/07 never forget....TTT  Bringing old know-it-all blow hards back to reallity at a forum near you "Always Imitated, Never Duplicated"
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01-11-2006, 04:59 PM
It seems that I had foolishly assumed that craddocks were similar if not the same as typical fiberglass/garolite discs. After talking to some other people today, I've learned that the brakes I have are like this and that a quad setup will make for better 'panic stops'. I'm certain that the linkages are set up right. I'll manage for now though. I haven't gotten used to the truggy yet...
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01-11-2006, 05:53 PM
I barely run any brakes at all, I don't want my truck to be able to lock them up. Me having a higher center of gravity then makes for a see-saw effect when that happens. I've seen some crt's lifting the rear on hard breaks too... (via matt gosch)
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01-11-2006, 05:57 PM
I put craddocks in my lsp and run a 180 oz. servo and before i set them right i could endo my lsp going into a turn at the end of a straight
--Then follow the rules! haha!-- -Tune
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01-12-2006, 08:54 AM
I've checked everything. Apparently, craddocks are not like fiberglass discs. The craddocks have super bite. For the heck of it, I ordered both types of discs from Carolina's RC. They had the best price so far. I'll see what they are like for myself.
I have one final question now. Which side of the cam goes toward the brake pad? (see image). 
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01-12-2006, 09:44 AM
LOL.... Reason behind me saying the right side.
From the at least it looks like the right side has a larger eccentric on it. Therefore, giving it more brakes when fully applied.
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