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Remember not to cut too many holes, though. We actually had to put a steel plate on our extender to increase the traction on the wheels, and it is still not perfect. We will have to use belt in addition, probably.
And, yes, of course, figure out how many quarter-inch holes you have to cut in quarter-inch aluminum to reduce the weight by 1 pound (old robotics-math problem)...
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I have great faith in fools - my friends call it self-confidence. --- Edgar Allen Poe
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