Quote:
Originally Posted by Jpatterson1710
If our traction wheels are spinning at our desired RPM, it doesn't matter what the casters do as long as they're supporting the front of the bot. They're simply used as a low friction support to the front of the bot.
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Try pushing a wheeled swivel chair in an arbitrary direction. You should notice a bit of resistance and a pull sideways before the wheels all align in the correct direction.