Quote:
Originally Posted by compwiztobe
Also, tank turning with the traction wheels will be easier with a shorter wheel base because you will get less tread rub.
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The inverse is also true, it will also be easier for you to
be turned.
A longer wheel base grants more resistance to rotation, both caused by your robot, as well as caused by other robots. This is precisely why 148 and 217 opted to put their traction wheels on the outside, as they only planned to use them in pushing matches and why they were attempting to hold their position.
It all comes down to precisely what you want to accomplish with the drive system. There are reasons and rationales behind all sorts of different wheel configurations.