Quote:
Originally Posted by CDH Jeff
How does it move?!?!?!?!
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Quote:
Originally Posted by Devibeast
Nice robot , but good question, how does it move?
And do i see speed controllers on the top? 
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This is what's known as a swerve or crab drive. All of the wheels can be rotated around an independent axis allowing for omnidirectional travel.
Hopefully 148 will post some video of their own bot but for now
this is another very good example of this type of drivetrain.