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 Post subject: turning under power
PostPosted: Thu Mar 04, 2010 11:28 pm 
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Joined: Sun Nov 01, 2009 9:55 am
Posts: 20
Here is my problem. The tamtechs have more torque going to the rear right wheel(the one on the side of the spure gear). The reason I think so is because u can do doughnuts while turning right but not with the wheels turned left. When the power wheel is on the inside it turns much better under power. I have tightened down the spure gear an the alan key inside the gear box. Any sugestions on how to evenly distribute the torque between the 2 wheels?


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 Post subject: Re: turning under power
PostPosted: Fri Mar 05, 2010 12:13 am 
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Joined: Tue Dec 16, 2008 3:21 pm
Posts: 231
Location: Osaka, Japan, or MI, USA
I've noticed the same issue, but never found a fix, just dealt with it. Always thought it was something slightly off with my ball diff, but couldn't think of a logical explanation why power goes more to one side...

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 Post subject: Re: turning under power
PostPosted: Fri Mar 05, 2010 12:18 am 
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Joined: Sun Nov 01, 2009 9:55 am
Posts: 20
well i have an extra gear case and im going to try and lock "super glue. weld, or completely wedge" hahaha the differentials together.
i think thats the problem.


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 Post subject: Re: turning under power
PostPosted: Fri Mar 05, 2010 12:36 am 
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Joined: Tue Dec 16, 2008 3:21 pm
Posts: 231
Location: Osaka, Japan, or MI, USA
so you're going to make it into what's called a spool, there will no longer be any sort of differential.

This is honestly not advisable, unless you are making a drift car really. I think it will create more negative issues than solving this one small problem.

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 Post subject: Re: turning under power
PostPosted: Fri Mar 05, 2010 1:07 am 
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Joined: Sun Nov 01, 2009 9:55 am
Posts: 20
hmm yeah i know drift cars need to have locked diffs. im going to take your word for it and leave that alone. i only notice this issue on pavement. im sure its not so bad on dirt.


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 Post subject: Re: turning under power
PostPosted: Sun Mar 07, 2010 1:58 am 
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Joined: Sun Nov 01, 2009 9:55 am
Posts: 20
Ok now I have a more powerfull motor and 1/10th rims and canr keep the car in controll. Wen I power 2 hard it spins out to the right. Wen I let go of the throtle it spins out because it breaks 2 hard with one tire. Wen I take a right turn under power I gota be xtremely carefull not 2 spin out, and so far I haven't got carefull enough. And I looked at the diferantial. The motor transfers the power to one gear inside and its rite in the middle. I need a fix!!!!


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 Post subject: Re: turning under power
PostPosted: Sun Mar 07, 2010 2:46 am 
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Joined: Tue Dec 16, 2008 3:21 pm
Posts: 231
Location: Osaka, Japan, or MI, USA
I forgot to ask, are you still running the stock diff. in there?

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 Post subject: Re: turning under power
PostPosted: Sun Mar 07, 2010 9:30 am 
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Joined: Sun Nov 01, 2009 9:55 am
Posts: 20
No got the aluminum one.


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 Post subject: Re: turning under power
PostPosted: Mon Mar 08, 2010 2:27 am 
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Joined: Sun Nov 01, 2009 9:55 am
Posts: 20
i re installed my diffirential. i put the alan key adjustment screw on the drivers side now. before it was on the same side as the spure gear. it seem to have improved. btw i put back the stock diffs. tmorow im going to try to do the same with the aluminum ones.


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 Post subject: Re: turning under power
PostPosted: Mon Mar 15, 2010 11:17 pm 
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Joined: Thu Oct 16, 2008 2:44 am
Posts: 85
I also experience the same problem as what you discribed

The following are my recommendations that worked for me. Of course you can choose either of the solutions or even better do all at the same time.
(1) Change rear hub to 2degree toe in or more> Some how or other it helps to even out the torque, giving more rear wheel traction and better linearity in straight line driving.
(2) Add 1/10 rear fender/wing to improve traction> With all the brushless abuse, i found that the rear tires have a problem transferring all the power to the ground. It really works for me with the huge fenders installed
(3) Change the rear tires to wild boar GB01T. They have a better grip and less spin off.
(4) Check whether one side of your rear tires is more worn out than the other. Somethings uneven grip would cause your buggy to spin.
(5) Check whether there is any melt down in your rear diff. Change if necessary
(6) Change to GB03 gear diff. I found that there is always slippage no matter how tight i screw the ball diff down. After changing to gear diffs, i am able to do wheelies and yet having even torque transfer to both side of the rear wheels. The only disadvantage is the outdrives cups are plastic. Lucky me, i have yet to suffer any breakage even with repeated 6foot jumps


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 Post subject: Re: turning under power
PostPosted: Mon Mar 15, 2010 11:20 pm 
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Joined: Thu Oct 16, 2008 2:44 am
Posts: 85
Lastly, use a bigger motor. It will add more weight to the rear, providing more grip to the ground.


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