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  • water tank

    I need to fab. a 4' wide by 5' tall by 3' deep tank to hold water. This tank will be mounted inside a box truck for supply to a concrete cutting saw on site.

    My question is, what material ( I am assuming 6061) and what thickness do I need.
    I do plan on at least one baffle, maybe for support on long side as well as slosh dampening.

    ANY info is greatly appreciated
    Thanks,.
    Tim Beeker,
    T-N-J Industries
    (my side bussiness)

    Miller Synchrowave 350LX with tigrunner
    Esab 450i with wire feeder
    HH135 mig
    Thermal Dynamics cutmaster 51 plasma cutter
    Miller aircrafter 330 - sold
    Marathon 315mm coldsaw
    vertical and horizontal band saws
    table saw
    Dewalt cut off saw
    Sand blast cabinet
    lots of hand grinders
    Harris torch
    beer fridge

  • #2
    If it's going in the back of a work truck I would use 1/8" 6061. If you went any thinner there is a good chance of punching a hole in it. and yes add a baffle or 2 to help support the long wall section of the tank and sloshing when it's full.
    Miller syncrowave 200 runner with coolmate 4
    and wp2025 weldcraft torch
    Miller 125c plasma cutter

    Comment


    • #3
      With 3,744 pounds of water, I would definitely go with two baffles minimum! You may want to consider ringing, (at least the middle) of the tank with angle or C-channel.
      Caution!
      These are "my" views based only on “my” experiences in “my” little bitty world.

      Comment


      • #4
        I think i would follow Sonoras baffle/ring advice and use 1/4" material. By my calculations you would need an excessive amount of stiffeners on 1/8". (assuming i did the calculations right )

        Comment


        • #5
          "Ice Cubes"

          Originally posted by Sonora Iron View Post
          With 3,744 pounds of water, I would definitely go with two baffles minimum! You may want to consider ringing, (at least the middle) of the tank with angle or C-channel.
          Probably more like 450 gallons (if completely full) approx 3735#.

          How about a plastic water tank instead?

          Northern Tools (among other suppliers) have an assortment of tanks around the $300 range.

          Many concrete coring and cutting companies have plastic tanks mounted on the trailer they carry their saws on.

          Just a suggestion

          Dave
          Last edited by davedarragh; 10-13-2009, 11:43 AM.
          "Bonne journe'e mes amis"

          Comment


          • #6
            Originally posted by davedarragh View Post
            Probably more like 450 gallons (if completely full) approx 3735#.





            4’ x 5’ x 3’ x 7.48 = 448.8 gallons

            4’ x 5’ x 3’ = 60 cubic feet.

            Pure water weighs 62.4 pounds per cubic foot.
            Gallon of pure water weighs 8.34 pounds.

            Caution!
            These are "my" views based only on “my” experiences in “my” little bitty world.

            Comment


            • #7
              "Gallons of Gallons"

              Originally posted by Sonora Iron View Post





              4’ x 5’ x 3’ x 7.48 = 448.8 gallons

              4’ x 5’ x 3’ = 60 cubic feet.

              Pure water weighs 62.4 pounds per cubic foot.
              Gallon of pure water weighs 8.34 pounds.

              You're reading from page 638 of Thomas J Glover's Pocket Reference, I see.

              If a gallon of water weighs 8.333#, and a cubic foot of water contains 7.5 gallons, and a cubic foot of fresh water weighs 62.4#, which is heavier, a pound of steel or a pound of aluminum?

              I'd say, a pound of coffee

              Dave
              "Bonne journe'e mes amis"

              Comment


              • #8
                Originally posted by davedarragh View Post
                which is heavier, a pound of steel or a pound of aluminum?
                Oh my Gawd, everybody knows a pound of steel is heavier than a pound of aluminum!
                Caution!
                These are "my" views based only on “my” experiences in “my” little bitty world.

                Comment


                • #9
                  Originally posted by Sonora Iron View Post
                  Oh my Gawd, everybody knows a pound of steel is heavier than a pound of aluminum!
                  I took a real "pounding" on that one

                  Oh, brother...........
                  "Bonne journe'e mes amis"

                  Comment


                  • #10
                    Originally posted by davedarragh View Post
                    I took a real "pounding" on that one

                    Oh, brother...........

                    Caution!
                    These are "my" views based only on “my” experiences in “my” little bitty world.

                    Comment


                    • #11
                      You guys are not only informative but funny too.

                      Thanks for the advise. The weight will not be a factor to the truck(big truck).
                      The tank and saws will go in the back of the truck.

                      I may be able to sneak a peak at a truck thats already setup.
                      Tim Beeker,
                      T-N-J Industries
                      (my side bussiness)

                      Miller Synchrowave 350LX with tigrunner
                      Esab 450i with wire feeder
                      HH135 mig
                      Thermal Dynamics cutmaster 51 plasma cutter
                      Miller aircrafter 330 - sold
                      Marathon 315mm coldsaw
                      vertical and horizontal band saws
                      table saw
                      Dewalt cut off saw
                      Sand blast cabinet
                      lots of hand grinders
                      Harris torch
                      beer fridge

                      Comment


                      • #12
                        I need to get one of those B.S. flags for my everyday travels.

                        and by the way, to be completeley accurate, 3'x4'x5'-is that inside or outside dimentions,what is the temperature of the water, height above sea level, barometric pressure, and volume of displacement of all said baffling and reinforcements. just playin'

                        I agree with dave, the plastic tank is probably the way to go, they are readily available and very cost effective. not to mention the tank itself weighs a lot less. I know a plumber that got a citation for being overweight in his truck, not cheap.

                        Comment


                        • #13
                          Originally posted by Fruecrue View Post
                          I need to get one of those B.S. flags for my everyday travels.

                          and by the way, to be completeley accurate, 3'x4'x5'-is that inside or outside dimentions,what is the temperature of the water, height above sea level, barometric pressure, and volume of displacement of all said baffling and reinforcements. just playin'

                          I agree with dave, the plastic tank is probably the way to go, they are readily available and very cost effective. not to mention the tank itself weighs a lot less. I know a plumber that got a citation for being overweight in his truck, not cheap.
                          I know some pretty heavy plumbers myself. How much did this guy weigh?
                          Sorry - couldn't resist

                          Comment


                          • #14
                            nice, I didn't even mean to set that one up.

                            Comment


                            • #15
                              Originally posted by Fruecrue View Post
                              I need to get one of those B.S. flags for my everyday travels.

                              and by the way, to be completeley accurate, 3'x4'x5'-is that inside or outside dimentions,what is the temperature of the water, height above sea level, barometric pressure, and volume of displacement of all said baffling and reinforcements. just playin'

                              I agree with dave, the plastic tank is probably the way to go, they are readily available and very cost effective. not to mention the tank itself weighs a lot less. I know a plumber that got a citation for being overweight in his truck, not cheap.
                              Yeah,
                              I think the cost will be prohibitive,
                              The customer specs the tank, not me. I would use a poly tank myself.
                              Weight will not be a problem.

                              We discussed this last night, still want to pursue this.
                              Thank you.
                              Tim Beeker,
                              T-N-J Industries
                              (my side bussiness)

                              Miller Synchrowave 350LX with tigrunner
                              Esab 450i with wire feeder
                              HH135 mig
                              Thermal Dynamics cutmaster 51 plasma cutter
                              Miller aircrafter 330 - sold
                              Marathon 315mm coldsaw
                              vertical and horizontal band saws
                              table saw
                              Dewalt cut off saw
                              Sand blast cabinet
                              lots of hand grinders
                              Harris torch
                              beer fridge

                              Comment

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