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Unread 01-04-2016, 09:48
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Chris is me Chris is me is offline
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AKA: Pinecone
FRC #0228 (GUS Robotics); FRC #2170 (Titanium Tomahawks)
Team Role: Mentor
 
Join Date: Dec 2008
Rookie Year: 2006
Location: Glastonbury, CT
Posts: 7,601
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Re: pic: 1058 PVC Pirates 2016 Robot: Low Expectations

Riv-nuts are fantastic and every team should use them wherever they can. They make almost any situation into one where you can blindly install a bolt with tool access on just one side. No more losing / dropping nuts or anything like that.

You HAVE to install them correctly or they will spin in place uselessly (you can fix this usually by just tightening it more). But if you do they are very strong - 2791 would actually lift their entire robot from 4 1/4-20 eye bolts screwed into rivet nuts!

I have never run into any issues with Loctite and these, just don't use too much Loctite (a TINY amount of blue only) and you're OK.

If you want to cheat, you can actually use rivet nuts with a long enough grip range in a manner similar to rivets and fasten two plates together by installing a riv nut through both of them. Then you can bolt whatever to the two riv-nut assembly.

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Oh, and fantastic robot 1058! It was awesome competing with you guys at Rhode Island; you were clearly the best ball cycler at the event, and picking you nearly guaranteed a capture.
__________________
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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