Infusion Q&A

Discussion in 'Fiberglass and Composite Boat Building' started by jim lee, Dec 17, 2009.

  1. War Whoop
    Joined: Jun 2003
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    War Whoop Senior Member

    3 sensitives ?? they are not variable ? that could be a problem.
     
  2. magnus
    Joined: Mar 2010
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    Location: minnetonka minnesota usa

    magnus Junior Member

    Actually it does have all the whistles and bells: high/low volume control for headphones, switch for X1/X10/X100 sensitivity, additionally a 0-10 dial to focus in the ten bar light show, also a parabolic attachment and a rubber hose attachment for the pick up which can also be used bare. Actually this sounds like rocket science, I am sure I am not qualified:)

    http://www.amazon.com/Amprobe-TMULD-300-Leak-Detector-Kit/dp/accessories/B002OOWKRG
     
  3. War Whoop
    Joined: Jun 2003
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    War Whoop Senior Member


    The VPE has a sliding adjustment for the sensitivity, simple and it works.
     
  4. Edmundo Souto
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    Edmundo Souto Junior Member

    Amprobe Leak Detector

    I have been using that stuff for years, it´s very simple to use.

    You easilly find all leaks.

    Even with other noises at the place you can work with it.
     
  5. magnus
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    magnus Junior Member

    Great, which leak detector are you using?
     
  6. brokensheer
    Joined: Jun 2009
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    brokensheer Senior Member

    hello Guys I made an attempt to infuse my hatch drain rail, I use a pcs of 1708 wraping it around some foam core scrap to form the inner edge. I was unsuccessful as the glass just wont lay down well without beigh wet out. so I went back to Vac. bagging with zero issues

    My question is what kind of adhisive can I try as I really would like to infuse this thing. Thanks Bo
     
  7. Herman
    Joined: Oct 2004
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    Herman Senior Member

    There is a good adhesive from North Star Chemicals (NG-IF), but also from Airtech (Airtac2). Many people use 3M 77 for its availability, but some seem to run into trouble, so I would not recommend this one.
     
  8. brokensheer
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    brokensheer Senior Member

    Thanks Herman!
     
  9. magnus
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    magnus Junior Member

    Hi Herman,

    I have never used adhesives, but am tempted. I know Airtech has one which is not recommended for epoxy. 3M 77 has had mixed reviews, but since I have switched to epoxy I wonder if you hear more problems in that area than with polyester/vinylester? I realize it is difficult to sort out all the variables, which is probably why I have stayed away from adhesives this long.

    Thank you
     
  10. brokensheer
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    brokensheer Senior Member

    I am using a pcs of 1708 8" wide placing it in a mold that makes a frame for a hatch/drain with a pcs of core that forms the inside edge the problem is I need something to hold the glass until I draw down the vacuum, and I use polyester resin, I have a hdw store spray adhesive maybe I will give that a try? if that fails I can wet it out and vacuum bag it!
     
  11. War Whoop
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    War Whoop Senior Member

    I agree the 3M 77 Is pretty much what NOT to use.I have been using InfuZene AV and have not seen anything problematic with it.
     
  12. Herman
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    Herman Senior Member

    By far the most common problem is using too much spray adhesive. Use as little as possible, and I mean LITTLE. A couple of grams per m2 is all you need.

    I recommend a coloured adhesive for that, so you can see what you are doing. Lightly pass over the fabric once, from a distance. A light mist is all you need. The stuff sticks like crazy.

    In case of the North Star stuff, the glue is green. A very faint green surface is all you need. In case of the Airtech Airtac2, try and get the red coloured one.
     
  13. brokensheer
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    brokensheer Senior Member

    Thanks all,, Steve I just dropped them a note to get some,, Thanks again , Bo
     
  14. jim lee
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    jim lee Senior Member

    3/8" Plastic staples and a staple gun?

    -jim lee
     

  15. jiggerpro
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    jiggerpro Senior Member

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