Math Q?

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  • jp-
    5th Gear
    • Oct 2006
    • 981

    Math Q?

    Does anyone know what the amount of deflection would be on a 6" diameter, schedule 40 pipe spanning a length of 24'? Or is there a formula for that?
    61 II 109" Pickup (Restomod, 350 small block, TR4050)
    66 IIA 88" Station Wagon (sold)
    66 IIA 109" Pickup (Restomod, 5MGE, R380)
    67 IIA 109" NADA Wagon (sold)
    88, 2.5TD 110 RHD non-hicap pickup

    -I used to know everything there was to know about Land Rovers; then I joined the RN Bulletin Board.
  • siii8873
    Overdrive
    • Jul 2007
    • 1013

    #2
    JP,
    I could calculate this. One thing I would need to know is what is the load on the pipe and where is it located?
    THING 1 - 1973 88 SIII - SOLD
    THING 2 -1974 88 SIII Daily Driver - SOLD
    THING 3 - 1969 88 SIIA Bugeye Project
    THING 4 - 1971 109 SIIA ExMod - SOLD
    THING 5 - 1958 109 PU
    THING 6 - 1954 86" HT

    Comment

    • jac04
      Overdrive
      • Feb 2007
      • 1884

      #3
      ...also specify how it is supported...

      Comment

      • jp-
        5th Gear
        • Oct 2006
        • 981

        #4
        Supported on each end, free hanging in the middle. No more than 100 pounds of weight would be bolted to the pipe, plus it must carry its own weight.
        61 II 109" Pickup (Restomod, 350 small block, TR4050)
        66 IIA 88" Station Wagon (sold)
        66 IIA 109" Pickup (Restomod, 5MGE, R380)
        67 IIA 109" NADA Wagon (sold)
        88, 2.5TD 110 RHD non-hicap pickup

        -I used to know everything there was to know about Land Rovers; then I joined the RN Bulletin Board.

        Comment

        • 4flattires
          4th Gear
          • Aug 2007
          • 424

          #5
          By guess and by golly....

          ..won't be of any consolation when the pipe bursts and leaks. Consult a professional.

          That being said, I have always gotten good info from this site: http://www.terrylove.com/forums/

          You didnt mention if your schedule 40 was PVC or iron. I would think the weak link in a 24' span would be the connectors.

          My 2c.

          Jeff
          64 SIIa 109 all stock
          69 SIIa 88 all stock
          Old tractors
          New Harleys
          Old trucks

          Comment

          • jp-
            5th Gear
            • Oct 2006
            • 981

            #6
            Sorry, should have mentioned that the pipe will not be holding any fluid. It is for a massive jig to make 24' long parts.

            Pipe would be steel, not pvc.

            The current fixture uses square tubing that is supported in the middle. I want to eliminate the middle support if I can. That will give me a quick change ability that the current fixture does not have.
            61 II 109" Pickup (Restomod, 350 small block, TR4050)
            66 IIA 88" Station Wagon (sold)
            66 IIA 109" Pickup (Restomod, 5MGE, R380)
            67 IIA 109" NADA Wagon (sold)
            88, 2.5TD 110 RHD non-hicap pickup

            -I used to know everything there was to know about Land Rovers; then I joined the RN Bulletin Board.

            Comment

            • jp-
              5th Gear
              • Oct 2006
              • 981

              #7
              Also, was going to ask what the deflection would be on Schedule 80 vs 40.
              61 II 109" Pickup (Restomod, 350 small block, TR4050)
              66 IIA 88" Station Wagon (sold)
              66 IIA 109" Pickup (Restomod, 5MGE, R380)
              67 IIA 109" NADA Wagon (sold)
              88, 2.5TD 110 RHD non-hicap pickup

              -I used to know everything there was to know about Land Rovers; then I joined the RN Bulletin Board.

              Comment

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