
14-09-2009, 01:12
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no bag, vex only, final destination
AKA: Pinecone
 FRC #0228 (GUS Robotics); FRC #2170 (Titanium Tomahawks)
Team Role: Mentor
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Join Date: Dec 2008
Rookie Year: 2006
Location: Glastonbury, CT
Posts: 7,792
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Re: [FTC]: FTC Game Announced
Quote:
Originally Posted by Rick TYler
You are right, #25 steel chain is going to be stronger than a little plastic chain. It's also going to be greasier, heavier, more expense, take up more room, and be harder to install and size. The right part for the right job. I suspect the decision to use standard #25 chain (if that is what it is) has a lot more to do with finding an off-the-shelf part that doesn't require engineering, test and manufacturing than it does with providing the perfect technical solution for our robots. The advantage is lower cost than if they had custom-made a metal chain.
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I carefully worded my post to avoid saying "better", since in many applications I'd prefer a tiny chain (e.g. my robot's end effector would suck without it), but for heavy, pushing drivetrains (think Quad Quandry, super geared down) it didn't really cut it for my team. Certainly didn't help that I didn't tension the chain very well, but even after fixing that I ended up throwing chain a lot.
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Mentor / Drive Coach: 228 (2016-?)
--2016 Waterbury SFs (with 3314, 3719), RIDE #2 Seed / Winners (with 1058, 6153), Carver QFs (with 503, 359, 4607)
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College Mentor: 2791 (2010-2015)
-- 2015 TVR Motorola Quality, FLR GM Industrial Design -- 2014 FLR Motorola Quality / SFs (with 341, 4930)
-- 2013 BAE Motorola Quality, WPI Regional #1 Seed / Delphi Excellence in Engineering / Finalists (with 20, 3182)
-- 2012 BAE Imagery / Finalists (with 1519, 885), CT Xerox Creativity / SFs (with 2168, 118)
Student: 1714 (2009) - 2009 MN 10K Lakes Regional Winners (with 2826, 2470)
2791 Build Season Photo Gallery - Look here for mechanism photos My Robotics Blog (Updated April 11 2014)
Last edited by Chris is me : 14-09-2009 at 01:17.
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