[NSRCA-discussion] Wing Construction

[Dave Smith]

Karl,et al:   Ukie fliers have been coring wings this way for years.


Dave
  ----- Original Message ----- 
  From: Karl G. Mueller 
  To: NSRCA Mailing List 
  Sent: Thursday, November 08, 2007 10:46 AM
  Subject: Re: [NSRCA-discussion] Wing Construction


  Mark,

  I have found that it is very hard to get more than 1 oz. out of each 
  panel on a 2m  pattern wing.
  I have seen this method done in Europe a number of years ago.
  It is a lot faster, once you have the right setup, than cutting out all 
  the little squares or diamond shapes. 

  Karl.
    ----- Original Message ----- 
    From: flyintexan 
    To: NSRCA Mailing List 
    Sent: Wednesday, November 07, 2007 10:30 PM
    Subject: Re: [NSRCA-discussion] Wing Construction


    I second that motion!  This is a great way to take about an ounce of foam out of each core.

    -mark
      ----- Original Message ----- 
      From: Lance Van Nostrand 
      To: NSRCA Mailing List 
      Sent: Wednesday, November 07, 2007 9:21 PM
      Subject: Re: [NSRCA-discussion] Wing Construction


      Karl,
      My answer might surprise you.  When I have need to core my foam cores I core them from root to tip so the foam surface is in full contact with the skins.  My wings were of interest to several people at the Nats to see how this works, but the local guys are used to my weirdness.  This approach produces a wing with no soft spots on the surface.
      --Lance

        ----- Original Message ----- 
        From: Karl G. Mueller 
        To: NSRCA Mailing List 
        Sent: Wednesday, November 07, 2007 7:53 AM
        Subject: Re: [NSRCA-discussion] Wing Construction


        Lance,

        Do you apply the glue to the skins or to the foam core in case of a
        cored (with cut-outs for weight saving) foam core. I thought that the
        amount of glue spread on the skins in the areas that do not make 
        contact with the foam would be unnecessary weight. It will strengthen
        the skin some.

        Karl G. Mueller
        kgamueller at rogers.com

          ----- Original Message ----- 
          From: Lance Van Nostrand 
          To: NSRCA Mailing List 
          Sent: Tuesday, November 06, 2007 11:13 PM
          Subject: Re: [NSRCA-discussion] Wing Construction


          Foam roller, my friend.  a squeegee will force resin into the pores and away from the joint.  Only a roller applied fast and light can meter the material properly and keep in on the surface.
          --Lance

            ----- Original Message ----- 
            From: Nat Penton 
            To: NSRCA Mailing List 
            Sent: Tuesday, November 06, 2007 9:32 PM
            Subject: [NSRCA-discussion] Wing Construction


            To skin a foam core with contest grade balsa does anyone have a preferred way to determine when the amount of epoxy applied is adequate - using Easy Lam epoxy. I have been reluctant to use a squeegie, afraid of scoring the balsa. Would appreciate any comments.                            Nat


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