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We have run with track systems for the past 8 years. The best way we found out is having the track the 36" long. Putting a center wheel in that can move up or down depending on the traction. Get different track that have different friction factors.
We have had fast robots and power robots. we always used two drill motors to run the system. Blowing breaks is a problem if your driver does not know how to drive. With a good driver you can go 2 mins under big loads without breaking the breakers.
This year is great because we added more motors to the drivetrain.
with track system done right nobody will pull you sidewards. once you get what you want you just need to be 90 degrees to your puller.
pulling three goals with 3 130lb kids in the middle is easy done with this track system.
I still think track system done right can not be touched with Wheelchair wheels.
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