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Recent content by pirat

  1. pirat

    need time delay for AC circuit

    Thanks for the replies. I was really hoping to have a little project over the weekend with a pile of stuff from Surplus Gizmos. Which I may still do, just not in the way I had thought.
  2. pirat

    need time delay for AC circuit

    Hello, I'm pretty sure what I need is the equivalent of a single shot timer relay. What I want to do is control the "ding dong" sound from a door bell. It operates on 16VAC. In normal operation when the doorbell button is pushed a plunger is pulled into a solenoid and strikes the "ding" bar...
  3. pirat

    residential steel framing U-values?

    I'm actually using the parallel flow and isothermal planes methods. ASHRAE Fundamentals 2001 has a steel frame example on P25.9 and 25.10 that I've been using as a guide. It also mentions a parallel path correction factor from ASHRAE Standard 90.1-1989, but I haven't looked into that. As for...
  4. pirat

    residential steel framing U-values?

    We're trying to get into residential construcion using steel framing and I've been assigned to seeing that we comply with energy codes. The trouble I'm having is that the code is written with wood framing in mind, and I have to show that our steel construcion is equivalent. For example, code...
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