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Re: polyurethane tubing
We used the green belting from McMaster and did the welds with a heat gun. The ones that failed failed long before we put them on the bot. However, knowing what I know now, I'd get the hollow tubing and barbs. It can be installed to replace a broken belt without disassembling your robot. Our runs this year were pretty long and because we wanted to make sure the bands did not flex much, we shortened the band by the recommended 8%. Our bands ended up too tight and placed way too much load on the motor. We probably destroyed a CIM that way.
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Mentor(2007-2013) - Team 1379 - Gear Devils - Norcross, GA
2010 Palmetto regional Semifinalists, Judges Award
2010 Peachtree Regional Quarterfinalists, GM Industrial Design Award
2009 Palmetto Regional Finalists
2008 Bayou Regional Quarterfinalists
2008 Peachtree Regional Semifinalists
2007 Peachtree Regional Quarterfinalists
Georgia FRC Planning Committee
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We all need to keep things in perspective. When you look back at the entire 2005 FIRST season, is your entire experience defined by the presence of a little cloth flag on the play field? - dlavery [more] 
01-04-2009, 18:45
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