[NSRCA-discussion] Wing Construction

[Ken Thompson]

Jay,

If you did that you wouldn't get all of those pretty little diamond shapes in your wing skins :-)
  ----- Original Message ----- 
  From: Jay Marshall 
  To: 'NSRCA Mailing List' 
  Sent: Thursday, November 08, 2007 9:07 AM
  Subject: Re: [NSRCA-discussion] Wing Construction


  Seems like the fastest way would be with a drill press and cutting out circles rather than diamonds or square?



  Jay Marshall 

  -----Original Message-----
  From: nsrca-discussion-bounces at lists.nsrca.org [mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Dave Smith
  Sent: Thursday, November 08, 2007 9:57 AM
  To: NSRCA Mailing List
  Subject: Re: [NSRCA-discussion] Wing Construction



  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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