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Old 05-30-10, 05:11 PM   #1
meech151 
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Water bottle bosses on carbon frames

I am working on my first frame with carbon tubes and obviously won't be brazing the water bottle bosses in. I have planned all along to epoxy them in with 3M DP420 epoxy weld. Do you know if this will be sufficient or is there a more secure method. I know some builders use some type of rivot gun and I was curious where I might find one. Any info would be greatly appreciated.
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Old 05-30-10, 06:50 PM   #2
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You can get a pop rivet gun at Home Despot or the like.
I got the bosses I used on my last bamboo frame from Nova.
I'd look the url up for you but my girlfriend is here and tapping her foot.
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Old 05-30-10, 07:06 PM   #3
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Did you secure yours with the rivot gun and how does it implant the h2o boss? It doesn't have to be a special rivot gun? Do you think the Scotch-Weld epoxy will hold?
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Old 05-30-10, 09:45 PM   #4
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What you should use is called a rivet nut. I've installed them by modifying an old QR skewer so that it could be used to compress the rivet rather than shelling out the cash for a special rivet tool. (a hardware store pop rivet gun won't work with a rivet nut) I bed the rivet with dp420, then compress with my skewer-tool until tight.
http://www.mcmaster.com/#rivet-nuts/=7bm2t8

McMaster sells the proper tool also.

I see my link didn't go quite where I thought, so I'll add that I recommend the knurled open end type in aluminum.

Last edited by Dancingbear; 05-30-10 at 09:49 PM. Reason: additional info added
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Old 05-31-10, 04:45 AM   #5
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Quote:
Originally Posted by meech151 View Post
Did you secure yours with the rivot gun and how does it implant the h2o boss? It doesn't have to be a special rivot gun? Do you think the Scotch-Weld epoxy will hold?

I hope so. A square inch of DP-420 on a properly prepared surface will suspend a Ford Modeo Estate.
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Old 05-31-10, 06:33 AM   #6
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Thanks for all the info. I think I will start with the DP-420 and adjust if needed but will also look into the rivot nut options as well.
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Old 05-31-10, 06:46 AM   #7
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All these years and I have been misspelling the word "rivet." So much for winning that 3rd grade spelling B in Mrs. Bush's class. Man she was hot. With a name like Mrs. Bush you can only imagine.
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