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  1. W

    Embedded com antenna

    I am constructing a canard pusher and would like to embed the antennas in the layup. I have winglets which are shorter than the 19" 1/4 wave antenna length. Also the wing span is 42 feet which would result in a 30 foot long antenna cable. I found some references to hula hoop antennas one of...
  2. W

    Bonding wood coated with polyurethane

    I am about to build some wing moulds for my plane. There will be plywood formers lined with 7/32" 5 ply underlayment. I need to coat all surfaces of these wooden parts so that changes in humidity won't rershape my airfoils. I am thinking of using polyurethane furniture finish on everything...
  3. W

    How to dye epoxie resin

    I am getting ready to use the "Corey Bird" epoxie wipe technique to fill in sanding scratches. I want to dye the resin so it will become more transparent as it gets thinner with the fine sanding. Also I want to wipe on several coats and the dye may help ensure I am squeegeeing off uniformly as...
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    Calculating stresses on stressed skin corrugated spar wing

    I am trying to find a method of analyzing a stressed skin corrugated spar wing. The first image upper left corner is an NLF(1)=215f airfoil. There is a line drawn equally distant from the top and bottom surface representing the neutral axis of a beam. Then lines are drawn perpendicular to the...
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    How I am building a fuselage mould.

    Well, hopefully I am attaching pictures. I selected 6 but ended up with 9. I started this project April 2012 with a surface only model in Rhino. The plane flew acceptably in X-plane so building started. I sectioned the model at 6" intervals to generate cross sections. The fuselage is being...
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