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  • Users: awparran
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  1. awparran

    DuPont Delrin selection question

    About a month ago I asked for information on replacing nylon or Teflon with a more modern polymer product. It was suggested that I look at the properties of Dupont's Delrin. Since then I have had the oportunity to look at the spec data, and have come up with a few questions. The Delrin 570...
  2. awparran

    Flaperon Design mixer help

    Hi: I posted a thread in the AERODYNAMIC section seeking help on a flaperon design. I have not received a response, so I designed my own. I think it looks pretty slick, but looking slick does not mean very much in the air where it really counts. I am not a structural engineer, in fact I am...
  3. awparran

    Flaperon Mixer Controls

    Hi: Does anyone have any information on Flaperon Mixer controls, examples, documentation, etc. I sent an email to a certain person noted for his design, but he has not responded as yet. So I am asking if anyone out there can help. I have looked high and low for any information on the NASA...
  4. awparran

    Composite sandwich, material type and laod calculations

    Let's get some ground information on the table first. I am NOT an aeronautical engineer. I have built two aircraft successfully and obviously lived to tell about it. Both were built from scratch using plans. I am a private pilot and have been flying since high school (1966). I am checked out...

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