[NSRCA-discussion] Wing tube phenolic repair "help"

[wgalligan]

Both are the same made by Elmers they just changed the name from Pro-Bond to Ultimate glue.   Gorilla glue is similar but much more expensive.
  ----- Original Message ----- 
  From: Ed Alt 
  To: NSRCA Mailing List 
  Sent: Friday, August 11, 2006 4:21 PM
  Subject: Re: [NSRCA-discussion] Wing tube phenolic repair "help"


  I've used both ProBond or Elmers Polyurethane glue.  They both work exactly the same.  Try Home Deport or similar.  

    ----- Original Message ----- 
    From: Anthony Abdullah 
    To: NSRCA Mailing List 
    Sent: Friday, August 11, 2006 9:22 AM
    Subject: Re: [NSRCA-discussion] Wing tube phenolic repair "help"


    I am unfamiliar with that adhesive, what is the brand name and where would I get it. This sounds a lot simpler than what I was planning. Will that glue run into whatever empty spots there are in there? Will it not pool up into clumps and just glue the small area at the point of injestion? What do I clean it up with?

    I was thinking about a rib installed from the bottom. I thought I might cut a slot in the sheeting and through the foam about two inches in from the outboard tip of the phenolic. I could clean the slot up with my soldering iron and make it real straight and uniform. Then I was going to cut an airfoil shaped rib and glue it into the slot. A little light filler, some sanding and some monokote and it should be as good as new. 

    What do you guys think about that idea? Do you think it will be strong and light enough? It is certainly more labor intensive and time consuming, but my goal is peace of mind. I don't want to worry about my wing folding every time I pull a square manuever or perform a snap roll.   

    Thanks again for your help!
    Anthony

    Ed Alt <ed_alt at hotmail.com> wrote:
      It's best to use the polyurethane glue as Bob recommended.  It's going to expand to fill the void and it's going to be alot lighter than epoxy.  I've done this repair successfully on 35% gas stuff and it really holds up well.  The only downside is that it's messy.  You have to either mop up affter it while it is catalyzing and oozing out of the holes, or else shave it off a razor later on. I think it's easier to mop & lightly sand when cured.  

      Ed
        ----- Original Message ----- 
        From: Jay Marshall 
        To: 'NSRCA Mailing List' 
        Sent: Friday, August 11, 2006 6:48 AM
        Subject: Re: [NSRCA-discussion] Wing tube phenolic repair "help"


        How about a hypo and some epoxy?
         
        -----Original Message-----
        From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Anthony Abdullah
        Sent: Thursday, August 10, 2006 10:43 PM
        To: NSRCA Mailing List
        Subject: [NSRCA-discussion] Wing tube phenolic repair "help"
         
        I was just about finished setting up my Odyssey when I noticed that the wing seemed a little loose. If I hold the fuselage the right wing panel can wiggle up and down a noticable amount. I thought that maybe the tube mount at the fuse was loose but that was not the case. As it turns out, the phenolic in my completed wing is loose about 3/4 of the way down and is wiggling around. It almost feels like the foam in the sheeted foam core wing has been somehow dislodged and the phenolic is in just a hollow cavern instead of solidly glued to the wing. It is still glued solid at the root so it won't slide out, but it obviously can not be flown in that condition.
         
        Question:
        How do I go about repairing the foam that the phenolic mounts to? The wing is sheeted, covered, and trimmed (complete) and I would like to keep from having to start all over again. Getting out the old one will also be an issue as it is still partially glued in. 
         
        I am open to any and all suggestions.
         
        Thanks in advance
        Anthony   

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