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Old 12-01-2013, 11:46 PM   #1246
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for everyone running modified or open, how would one get better traction coming out of slow corner hairpins. At the moment the rear end if i pin it about medium it just bits in and wants to spin.

Currently running lipo in standard configuration down centreline of chassis. already on softer springs, dampening and tires, Would i just be best to go to the transverse setup to save time, more weight in the rear?

Track just been built indoor asphalt, high bite and grip getting better as more people run.
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Old 12-02-2013, 11:20 AM   #1247
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Just got back from the US Indoor Champs.
They ran 1/12 17.5 and 1/12 "Masters" all together this year.
I Qual. 4th and finished 6th overall.
The 6th place finish was the highest "Masters" finish.

Here's a pic of my XTi as I ran it.

Announcing the new Team CRC Xti 1/12th Scale!!-dscn9523.jpg
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Old 12-02-2013, 03:44 PM   #1248
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Quote:
Originally Posted by sg1 View Post
Just got back from the US Indoor Champs.
They ran 1/12 17.5 and 1/12 "Masters" all together this year.
I Qual. 4th and finished 6th overall.
The 6th place finish was the highest "Masters" finish.

Here's a pic of my XTi as I ran it.

Attachment 1140233
What was your rollout?
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Old 12-02-2013, 06:16 PM   #1249
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What was your rollout?
approx. 116mm (64-72 with 1.65" tires).
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Old 12-03-2013, 02:39 AM   #1250
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Hello

i have a small trouble...the old side (colored..) spring dosn't ft on platsic plug...only white fit...

Some idea?
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Old 12-05-2013, 10:49 PM   #1251
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approx. 116mm (64-72 with 1.65" tires).
What rotor and motor timing were you running with that rollout? Thanks.
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Old 12-05-2013, 10:52 PM   #1252
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Hello

i have a small trouble...the old side (colored..) spring dosn't ft on platsic plug...only white fit...

Some idea?


if they are anything like the one i put on an hour ago, it was very tight, but did go on after a few twists, i found the plastic coating seem to stick the first 2 coils together stopping it from pushing on so may have the same problem.
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Old 12-06-2013, 05:42 AM   #1253
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What rotor and motor timing were you running with that rollout? Thanks.
Motor timing varied depending on traction.
Early in the day close to 14, when the traction came up close to 8.

I used a 5% stator (21.2's on my MMS)
and
I used a 5% rotor (1415 on my I-Guass)
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Old 12-06-2013, 05:52 AM   #1254
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As a side note: The layout was a sweeper on and sweeper off. But it was built in a 80 x 40 box. This made the straight short (inside wall was 52') but the sweepers accented the need for bottom end to accelerate (the on sweeper) and power thru a corner the off sweeper).
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Old 12-07-2013, 07:41 AM   #1255
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This maybe a dumb question, so be nice

Trying to figure out mad tire wear on the inside fronts on my Xti. running 5degree dynamic caster, 1 degree neg camber.

Pic shows new tire on car and how outside is lifting on full lock left or right. Worn tire shown next to it.

Also pic of my front end. Anything obvious ?





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Old 12-07-2013, 08:06 AM   #1256
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How much static camber are you running?
You will always get camber gain on lock. Normally you should add or reduce camber to get the tyre to wear flat. Looking at those pics it looks as though you have quite a bit. I would set it back to 1 deg and adjust from there.
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Old 12-07-2013, 09:12 AM   #1257
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Maybe its just the angle of the pic, but that looks like a good bit more than 1deg of camber.... more along the lines of 2deg or so.

But regardless of the amount of camber, my other question is whether you are actually driving with that much steering throw? ie: lock to physical lock? If so, that could be causing the coning even if you are running only 1deg camber. Positive caster angle(static caster, not reactive) causes an increase in camber gain at the outside wheel while it is turned. The more it is turned, the more camber is gained... So it is possible that you are introducing too much camber via the amount of steering throw.

Edit: Again, this may be the angle of the pic or just my eyesight failing me... but it also looks like the inside of your front upper arms are angled to the outside pretty substantially?

Last edited by JamesL_71; 12-07-2013 at 09:27 AM.
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Old 12-07-2013, 10:34 AM   #1258
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Thanks guys.

here is a possibly better pic showing fixed camber, which is about -1.



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Old 12-07-2013, 10:55 AM   #1259
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Quote:
Originally Posted by tobamiester View Post
This maybe a dumb question, so be nice

Trying to figure out mad tire wear on the inside fronts on my Xti. running 5degree dynamic caster, 1 degree neg camber.
How much wheel lock are you using to get around the track ?

That much wear on Pink X2, would suggest you have a bit of understeer

How many runs till the tire looks like that
Are you rotating tires every 8m run ?

3 to 4' turning circles is a baseline
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Old 12-07-2013, 11:32 AM   #1260
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Those aluminum caster blocks do have a tendency to bend...from that picture angle they do look like they may have bent. I would double check those...plus what everyone else suggested.
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