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Re: 80/20 chassis
Team 980 has used 80/20 for our robot chassis for years (1010 extrusion). Our six-wheel drive with Andy Mark SuperShifters goes together quickly. Getting proper tension on the chains is very easy. We use simply-machined phenolic bar stock as pillow blocks for the axles with fastener through-holes spaced at 2". Instead of the more expensive drop-in T-nuts, we use economy triple T-nuts. We haven't had problems with fasteners loosening: just put a bit of Lock-tite on the threads and torque them down.
Oh yeah, you can save some $$ if you buy from 8020 Inc Garage Sale on eBay.
We've already received 6 pieces of 1010 (36" length) for $50 (plus $16 shipping).
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"There's never enough time to do it right, but always time to do it over."
2003 AZ: Semifinals, Motorola Quality; SoCal: Q-finals, Xerox Creativity; IRI: Q-finals
2004 AZ: Semifinals, GM Industrial Design; SoCal: Winners, Leadership in Controls; Championship: Galileo #2 seed, Q-finals; IRI: Champions
2005 AZ: #1 Seed, Xerox Creativity; SoCal: Finalist, RadioShack Controls; SVR: Winners, Delphi "Driving Tomorrow's Technologies"; Championship: Archimedes Semifinals; IRI: Finalist
2007 LA: Finalist; San Diego: Q-finals; CalGames: Finalist || 2008 San Diego: Q-finals; LA: Winners; CalGames: Finalist || 2009 LA: Semifinals; Las Vegas: Q-finals; IRI: #1 Seed, Finalist
2010 AZ: Motorola Quality; LA: Finalist || 2011 SD: Q-finals; LA: Q-finals || 2013 LA: Xerox Creativity, WFFA, Dean's List Finalist || 2014 IE: Q-finals, LA: Finalist, Dean's List Finalist
2016 Ventura: Q-finals, WFFA, Engineering Inspiration
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There can never be enough recognition of a job well done. We can never say enough Thank You's. We can never measure the impact that an inspirational teacher or mentor can make on a student because it's priceless. - KathieK [more] 
19-12-2008, 13:22
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