Quote:
Originally Posted by Travis Schuh
A well balanced 6wd will have better turning response/handling than a 8WD because it will have minimal wheel scrub forces on the outer wheels (due to there being very little weight on them). We find this to be a huge advantage and really helps with having an amazingly driven robot.
6wd also have fewer parts, which helps with weight and manufacturing.
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We've found this is the case too. Our recent 6wd have performed much better than out tests with 8wd.