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Re: The Steel Tracks
V-groove bearings are a great way to do linear motion, because the provide support in 2 directions automatically. The steel rails donated into FIRSTchoice are way heavier duty (designed for large automation machines) than FRC robots need. The new REV robotics building system we launched this year uses the same bearings on an aluminum extrusion. Take a look at the system on revrobotics.com. If you got some of the steel already our bearings and bushings (available at AndyMark) are compatable and are much lower cost than getting straight from bishop wise-carver.
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