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Recent content by Scott231us

  1. Scott231us

    Thermal Expansion Small Holes on Plastic Enclosure Question

    Good day.. i have an ABS plastic enclosure that is approx 100mm long. There is a round hole (for bolt) in the middle that is 5mm diameter. If a 100mm long piece of plastic expands 0.3mm in hot arizona weather or reduces 0.3mm in freezing temps, how much does this effect the diameter of the...
  2. Scott231us

    Delrin vs. Lexan vs. Fiberglass

    Thanks for the responses. Fiberglass is tough, but I'm worried about drilling through it.. DOesn't it crack easily, due to the glass fibers it's made out of? Would lexan and/or delrin be more resilient?
  3. Scott231us

    Delrin vs. Lexan vs. Fiberglass

    Hi, I need some help/input on this.. I'm uncertain which material would be best for this purpose. This setup is a little unique. Basically I'm trying to produce a non-conductive solution for mounting a 22lb antenna 6' feet off the side a tower. I've chosen to use a 1.5" solid round rod for...
  4. Scott231us

    How to design a matcher-diplexer?

    Did you ever figure this one out? I'm a amateur, and I'm trying to design a broadband RF transformer for for the 2mhz-60mhz range.. Any ideas? I am a beginner, so please pardon the easy questions.

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