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Unread 23-02-2004, 15:09
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Re: Major problems with tank tread drive

FIRSt actually touches on this subject in the rulebook. It is completely legal to get off the shelf parts bought after the ship dae, however you cannot modify the parts in any way between ship date and the competition. Now, if you want, you can assemble any changes you want to make to the drive train at the competition with the raw materials/ off the shelf parts you purchased between ship date and the competition
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Unread 23-02-2004, 18:59
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Re: Major problems with tank tread drive

In addition to the previous suggestions, you might try putting a slight "crown" on your rollers. Particularly the ones at the ends of the robot. It doesn't take much. If the center of the rollers is slightly larger in diameter than the sides, then the belt tends to self center. Most conveyour belts do this but the crown is so slight you can barely see it. 1-5% of the diameter would probably do it.
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