Quote:
Originally Posted by dtengineering
I'd tend to think of it as a "normal force increasing device". Technically the vacuum would not provide any traction... it would merely increase the force acting on the wheels allowing them to provide enhanced traction.
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I like that logic. Let me ask, to get a good vacuum would you need to touch the surface of the playing field or would you be able to make a duct that comes very close to the surface but does not touch?