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Old 12-05-2002, 05:49 PM   #2131
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On the c-hub I raised the ball stud about 4mm and brought it inward about 5mm. The link overall is the same length if using the stock hole in the bulk heads and inner hole on the c-hub. I have the roll center bridge and use its upper hole with the c-hub mod I made. The rear is very planted. I've not experienced or not noticed the positive camber thingy.
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Last edited by RCCadet; 12-05-2002 at 06:19 PM.
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Old 12-06-2002, 01:39 AM   #2132
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Hey. I have to ask, how you guys raise those c-hub uprights than 5 mm, because there are only 1 mm space near to wheel? Do you make piece of something at you can change it 5 mm invard, or....what?? Is that make better rear end traction to raise them ie normal lower system? If it do that, i can try too
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Old 12-06-2002, 05:40 AM   #2133
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You will get positive camber change if the outboard (hub) end of the upper turnbuckle is lower than the inboard end (imagine the turnbuckle sweeping a circular motion).

The reverse is of course true if the hub end of the turnbuckle is higher than the inboard end. ie. negative camber change.
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Old 12-06-2002, 11:08 AM   #2134
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Thumbs up I found someting

Couple nice pictures from rear about that our conversation.

http://www.rczone.net/images/articles/istc_xray_1.jpg

http://www.rczone.net/images/articles/istc_xray_2.jpg

Btw: Those hub pieces, they look over 4mm higher to me?!
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Old 12-06-2002, 11:20 AM   #2135
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PROTO who's car is that? i had made the same pieces long ago but out of composit.
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Old 12-06-2002, 12:19 PM   #2136
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Hey Mike. That was Jilles car.

More nice pics from Xray:

http://www.rczone.net/modules.php?na...rticle&sid=225


Enjoy

Last edited by Proto pilot; 12-06-2002 at 12:23 PM.
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Old 12-06-2002, 12:32 PM   #2137
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Sorry, that does`t work?! Go www.rczone.net - there search - and then Xray Prototype & news parts 2002 IFMAR World Championships part 5 and you`ll find those pics
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Old 12-06-2002, 10:57 PM   #2138
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Those images of course show use of an alu piece screwed onto the hub where my version is milled out of woven graphite. From looking at the pictures, it appears that I may have the same roll center or near it. Atleast with my mod I can shim higher or lower to change the roll center.
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Old 12-07-2002, 04:11 AM   #2139
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Forget about the roll center parts, what is the go with the lower arm mounts, they are alloy, and move the arm out further with the hings pin sitting inline with the bulkheads. i would have thought theis would make the car wayyyyy to wide, unless they also have shorter arms
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Old 12-08-2002, 07:10 AM   #2140
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Smile New parts testing... Evo3..???

Okey, now i did that modification also for my T1, but i have to test it first later. I made it like a RcCadet does. I did those graphite pieces from my old original T1 front shock tower, because it`s wright shape Those tree holes ( holes are 5mm distance each other ) so i just cut with dremel and scape it and that`s it, fast and easy. Scruwed it with two scruw to hub and put enough motor shims under the ball link (raise it than 4mm). I used those old original rear links what are shorter than new ones and voi`la, it look like a Xray part

I had these extra old parts to use and destroyes them for this project, because i up-grated my T1 with c-hub system and most of old parts had to change.

Yesterday was test day and i have to say when grip is good the
original c-hub set-up in rear end is more than ok.

I have to ask, about that new modification, when you raise up and shorter rear link really increase rear traction when grip is low, right???

Last edited by Proto pilot; 12-08-2002 at 09:47 AM.
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Old 12-09-2002, 08:55 AM   #2141
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Besercoe, they're prototype short wishbones. I think they were first tried at the worlds. From what I've heard they won't be going into production but who knows.

//Stu
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Old 12-09-2002, 09:11 PM   #2142
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I think I figured out the gearing finally. I still haven't fixed my electrical woes...I thought it was the speedo, but it wasn't. I thought it was the reciever, but it wasn't. I turned out to be my servo Last thing I need to work out is the fact that while the car is rock solid it really cones the tired real bad. I have around 6 degrees of caster and I think around 1.5 of camber on the front.
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Old 12-11-2002, 12:00 AM   #2143
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Exclamation Something new?

What`s up guys? It`s quite silence here, but thats ok... i guess, one and half weeks hard working yet and after that it`s christmas holiday in countryside More testing with new parts next saturday and it`s done. Out winter series Finntrack 2003 begin early in January and then we`ll see how did homework well...
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Old 12-11-2002, 04:10 AM   #2144
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Proto: Good luck in the series. Like you I have 1 1/2 weeks left and then gone for the holiday. My 6 year old is ready now LOL.
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Old 12-11-2002, 05:46 AM   #2145
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Thanks Nitro!! My 7 year old is ready too.... and today is his birthday anyway!!! double
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