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Old 02-12-2004, 08:40 AM   #9526
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Quote:
Originally posted by R/C Anonymous
cant wait to try out the titanium axles.....will the aluminum dogbones make a big difference too over the stock ones?
Ko is right, you'll notice a difference. but dont run the aluminum in the front if you dont have a forgiving track. i ran my pink aluminum ones at a track that used pvc pipe... bent the front right one. i only use the aluminum ones in the back..and stock up front.
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Old 02-12-2004, 11:37 AM   #9527
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I wonder if Xenon will have titanium dogbones avalible before long...
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Old 02-12-2004, 02:20 PM   #9528
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Default Traction roll

Wondering if any R2 users have input on a set up for high traction, tight indoor carpet for stock rubber, my set up is listed below. My biggest problem is 2 minutes into the qualifier I start to get traction roll: any input would be great.
Tamiya flourine shocks (2-hole piston) 40wt oil
28lb xray springs (tried using 22lb rear also)
upper shock mounted on 2nd to last outer hole F & R
2 deg rear toe
4mm droop fr & 2mm rear
car is really fast until traction roll starts
thanks

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Old 02-12-2004, 02:21 PM   #9529
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Default Traction roll

Wondering if any R2 users have input on a set up for high traction, tight indoor carpet for stock rubber, my set up is listed below. My biggest problem is 2 minutes into the qualifier I start to get traction roll: any input would be great.
Tamiya flourine shocks (2-hole piston) 40wt oil
28lb xray springs (tried using 22lb rear also)
upper shock mounted on 2nd to last outer hole F & R
2 deg rear toe
4mm droop fr & 2mm rear
Pit shimizu 30R tires, Red HPI insert.
car is really fast until traction roll starts
thanks

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Old 02-12-2004, 02:27 PM   #9530
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the last time I used..
3deg. rear toe.
60wt oil - F
50wt. oil - R
Rayspeed REd (18.26 lb) springs - front
Yellow (14.87 lb) - rear
Pit 27 or 23's with HPI blue inserts.

contact LInger...he's got a good carpet/ruber set-up.
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Old 02-12-2004, 02:31 PM   #9531
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Quote:
Originally posted by rc-zombies
the last time I used..
3deg. rear toe.
60wt oil - F
50wt. oil - R
Rayspeed REd (18.26 lb) springs - front
Yellow (14.87 lb) - rear
Pit 27 or 23's with HPI blue inserts.

contact LInger...he's got a good carpet/ruber set-up.
I used 80 wt oil and heavier springs w/ TO27s...#2 pistons
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Old 02-12-2004, 04:22 PM   #9532
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Quote:
Originally posted by xxxkat
linger,you have a set up for Speedworld by any chance,Clint told me you could hook me up on a base line set up..
xxxkat - not yet. My R2 hasn't seen much tracktime at Speedworld yet. Once carpet season is done, I plan to be spending a lot of time at Speedworld.
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Old 02-12-2004, 04:46 PM   #9533
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Default Re: Traction roll

Quote:
Originally posted by arn671
Wondering if any R2 users have input on a set up for high traction, tight indoor carpet for stock rubber, my set up is listed below. My biggest problem is 2 minutes into the qualifier I start to get traction roll: any input would be great.
Tamiya flourine shocks (2-hole piston) 40wt oil
28lb xray springs (tried using 22lb rear also)
upper shock mounted on 2nd to last outer hole F & R
2 deg rear toe
4mm droop fr & 2mm rear
Pit shimizu 30R tires, Red HPI insert.
car is really fast until traction roll starts
thanks

Traction rolling with rubber tires on carpet is very tough to solve. You can go stiffer, but then your handling goes out the window. You definitely need thick sway bars...somwthere around 1.4 -1.6 mm. Start timing how long you keep the sauce on - the longer you sauce your tires, the more likely you are to traction roll. Also, more castor causes the chassis to hook and roll...you can add shims under the front rear arm mount to create anti-dive and therefore reduce castor. This will keep the front tires flatter against the ground during cornering and reduce the chance of traction rolling.
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Old 02-12-2004, 04:58 PM   #9534
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Default Re: Re: Traction roll

Quote:
Originally posted by linger
Traction rolling with rubber tires on carpet is very tough to solve. You can go stiffer, but then your handling goes out the window. You definitely need thick sway bars...somwthere around 1.4 -1.6 mm. Start timing how long you keep the sauce on - the longer you sauce your tires, the more likely you are to traction roll. Also, more castor causes the chassis to hook and roll...you can add shims under the front rear arm mount to create anti-dive and therefore reduce castor. This will keep the front tires flatter against the ground during cornering and reduce the chance of traction rolling.
Ling,

Have you used the off-set Front Steering Block, Trailing Arm from Yokomo? (not sure what the part number is)
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Old 02-12-2004, 05:03 PM   #9535
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Default Re: Traction roll

Quote:
Originally posted by arn671
Wondering if any R2 users have input on a set up for high traction, tight indoor carpet for stock rubber, my set up is listed below. My biggest problem is 2 minutes into the qualifier I start to get traction roll: any input would be great.
Tamiya flourine shocks (2-hole piston) 40wt oil
28lb xray springs (tried using 22lb rear also)
upper shock mounted on 2nd to last outer hole F & R
2 deg rear toe
4mm droop fr & 2mm rear
Pit shimizu 30R tires, Red HPI insert.
car is really fast until traction roll starts
thanks

less droop front & rear might be a good test
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Old 02-12-2004, 05:46 PM   #9536
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Default Re: Re: Re: Traction roll

Quote:
Originally posted by madjack
Ling,

Have you used the off-set Front Steering Block, Trailing Arm from Yokomo? (not sure what the part number is)
Nope, never tried it. It fits???
What does it do?
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Old 02-12-2004, 06:44 PM   #9537
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Default Re: Re: Re: Re: Traction roll

Quote:
Originally posted by linger
Nope, never tried it. It fits???
What does it do?
It should...since we are using the Yok items in the stock form.

From what I hear it should slow the steering a bit (less twitchy) with the off set axle. I'm waiting to run at a track that has that much bite
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Old 02-12-2004, 06:51 PM   #9538
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I know on my SD I switched to 0 degree spindles, I believe that most of the other SD drivers are doing the same thing for asphault.
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Old 02-12-2004, 11:42 PM   #9539
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HI Madjack
YGPM .........How To STOP the Traction Roll ( read your post mail) Frankos
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Old 02-13-2004, 09:25 AM   #9540
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Default Twitchy here i come!

eeyan, thanks for giving dyaz21 the hpi pistons. ill put those into my car tonight. hopefully it'll solve the problem with steering.

cant wait to try out that new one way too. eeyan, ill give u the money for the one way at tamiya on sat.

ling u get my PM?

randman... u going to socal on tuesday. ill be making more changes to the car this weekend. maybe ill finally get the R3 to where i want it.
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