24-09-2010, 10:50
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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: 7,669
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Re: Wheels: Metal or Plastic?
Making a wheel out of composites (carbon fiber) just seems excessive and difficult. It's just a wheel, no need to go overboard. Especially considering how the material fails when you drill into it for tread attachment and stuff.
I'd be tempted to use more aluminium wheels, since you would need more material in a plastic wheel to make it as rigid as an aluminium wheel, and I can't think of a time I would want a wheel to be "less rigid". Machining it from solid seems time consuming; I wonder how long it would take to make some with outer "plates" and AL tube though. I think 1625 does something like that.
If I'm buying wheels, AM Plaction wheels are great. The right price point, they worked well this year, tread changing was easy enough, and light enough.
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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)
Mentor / Consultant Person: 2170 (2017-?)
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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 Minnesota 10,000 Lakes Regional Winners (with 2826, 2470)
2791 Build Season Photo Gallery - Look here for mechanism photos My Robotics Blog (Updated April 11 2014)
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