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Type: Posts; User: paulmars

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  1. Replies
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    i pulled the treated wood. just too risky.

    i pulled the treated wood. just too risky.
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    803

    I forgot to say. SS is NOT compatible with...

    I forgot to say. SS is NOT compatible with galvalume.
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    compatibility question

    Im installing a galvalume metal panel roof. Supplied steel screws are used to hold the panel clips to the roof wood deck. Some of the wood is rotten and/or termite damaged. So, we have been replacing...
  4. Thread: rafter ties

    by paulmars
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    1,190

    rafter ties

    Im planning on installing rafter ties in my 1952 cinder block home. It has no rafter ties at all. Every time Im in the attic and look around, I wonder what holds up my roof. The ceiling joists run...
  5. Thread: metal rafters

    by paulmars
    Replies
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    1,478

    yes and no

    yes and no
  6. Thread: metal rafters

    by paulmars
    Replies
    2
    Views
    1,478

    metal rafters

    I have four sagging rafters in garage in my 1952 home. They are 2x6 and all side by side. All four have knots in about the same location, resulting in sagging. I got 4 2x6s to sister these, but...
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    3 phase motors

    can be run on single phase 230v, using 2 of the 3 windings. Is there anyway to use all 3 windings? Is there a formula to figure the aprox HP of a 3 ph mtr powered by 230v single phase?
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    3,173

    its running fine now with the plastic and metal...

    its running fine now with the plastic and metal covers removed.
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    emi rfi health hazard

    Inside the device (flat screen monitor, in this case), the PC boards are covered with metal enclosures with small holes. Holes for cooling I presume. Small holes to prevent rfi interference I...
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