[NSRCA-discussion] Wing Construction

[Lance Van Nostrand]

Karl,
After.  Check your back issues of Kfactor. Dec 2006 has an article I wrote on it.  You leave a wire in the core before sheeting and then heat it up after sheeting to cut the cone.
--Lance

  ----- Original Message ----- 
  From: Karl G. Mueller 
  To: NSRCA Mailing List 
  Sent: Thursday, November 08, 2007 8:54 AM
  Subject: Re: [NSRCA-discussion] Wing Construction


  Lance,

  Is your process done before or after skinning ?

  Karl.
    ----- Original Message ----- 
    From: Lance Van Nostrand 
    To: NSRCA Mailing List 
    Sent: Wednesday, November 07, 2007 10:21 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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