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TOPIC: Christmas

Christmas 8 years 9 months ago #506

Aaron,

For Christmas I got the Mini-BBX and the Co-Pilot Altimeter . I've been working on it a lot. Since the tube is only 2.1 inch diameter and the CPR3K tube is almost the same size I'm having a lot of trouble getting the epoxy in the tube pushing the tube in part way applying more epoxy and finishing that step. When I did it the epoxy set before I finished, but it had rolled down the inside of the tube. I don't know if there is something to "un-set" epoxy or if I've ruined the tube. ( It's quantum tubing if that makes a difference.) So, those are two things I need some help with. I'll bring the rocket to the next meeting to show y'all my progress. Merry Christmas!

John Wedding
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Re:Christmas 8 years 9 months ago #507

  • Mark Newton
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John:
Regular epoxy will get soft if heated, and it can then be scraped out. you cn also use a grinder or spindle sander to remove it wherever it's in the way of other gluing operations. To heat it, use a hair dryer (be careful of tube, though), or use a hobby iron, like the ones for leatherwork or for soldering.
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Re:Christmas 8 years 9 months ago #508

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My experience with Quantum Tubing is that epoxy doesn't stick well unless you rough up the surface with sandpaper. You might be able to lift the edge of a run and peal the epoxy off the tube. I know it worked for me once.

Mario
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Re:Christmas 8 years 9 months ago #512

  • Gary Degler
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John-
Get a slower setting epoxy, like the 30 minute type. It not only prevents this type of problem, but will also give you a stronger bond...

-GaryD
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Re:Christmas 8 years 9 months ago #516

Any ideas for a better "extended epoxy applicator" then the one shown in the PML instructions? There isn't much clearance for it.
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