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Old 04-24-2007, 05:08 PM   #586
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Mi3 Ackerman.

I have noticed that the new Mi3 allows the steering linkages etc to be moved for and aft at their central pivot, what effect will this have and how should it be used?

I never bothered changing their mounting position on the EC.

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Old 04-24-2007, 07:08 PM   #587
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Schumacher USA is awesome. If you call the company most if not all of the time Paul or Adrian answer the phone. They are always willing to talk shop on the phone or here online.
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Old 04-25-2007, 09:38 AM   #588
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well looks like I will be in line as well I hope the tech support is as good as U say and they also let use know when it makes it to the US via this thread
Like has been mentioned, the customer service at SchumacherUSA is top notch, always has been.

One thing though, when things do start moving with the kits, the likely first place you will hear about it will be on the Schumache Corner thread. Schumacher always keeps all their TC discussions in that one thread. Thats the place to look for the latest info.
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Old 04-25-2007, 10:01 AM   #589
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Originally Posted by Skiddins
Mi3 Ackerman.

I have noticed that the new Mi3 allows the steering linkages etc to be moved for and aft at their central pivot, what effect will this have and how should it be used?

I never bothered changing their mounting position on the EC.

Skiddins
The fore aft adjustment has an effect on ackermann and how linear the wheel movement is in relation to the servo output.

There will be an optional centertrack rod (the top plate on the steering belcrank) that places the pivot balls narrower. There may be some shorter length center track rods in the future too.
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Old 04-25-2007, 11:10 AM   #590
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Originally Posted by AdrianM
The fore aft adjustment has an effect on ackermann and how linear the wheel movement is in relation to the servo output.

There will be an optional centertrack rod (the top plate on the steering belcrank) that places the pivot balls narrower. There may be some shorter length center track rods in the future too.
OK, I understand so far, but what effect is created by having the wheels move at different rates (so to speak)?

Thanks
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Old 04-25-2007, 12:57 PM   #591
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Its all about traction and track layout. The more traction you have the less ackermann you want. Too much ackerman causes the inside wheel to go past its optimum slip angle and drag against the ground. In low traction on tight corners this can help the car slow down and turn into a corner.

On high bite or open layout tracks too much ackermann can hurt your corner speed and run time.

The ackerman rate adjustment lets you split the diffrence between two ackerman settings. You can have ackermann present in a linear fashion throughout the wheels travel or you can set it so the ackerman angle diffrence between the wheels is reduced as the wheel approaches full lock.

This adjustment is for fine tuning after a good general setup has been found.

If you want to race and have fun you dont have to fool around with any of this. The kit parts and settings are great most of the time. This is the beauty of the Mi3. You can just race it or if you really want to go for it you can make small isolated changes to really dial in your car.
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