[NSRCA-discussion] Wing Construction

[Karl G. Mueller]

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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