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Help with measuring tank


  • 23 months ago · Quote · #1

    rooperi

    Hi, please help :)

    I have 2 x 24000 litre tanks, and I need to measure the quantity of diesel inside.

    The tanks are cylyndrical, and lying horizontally.

    The distance from the bottom of the tank to the hatch at the top is 2260mm [edit: that would be the inside diameter, just to be clear]. Now, I need to make a dipstick that has 500 litre increments to measure the liquid inside.

    Please tell me exactly where I must put the gradations on my dipstick.

     

  • 23 months ago · Quote · #2

    kco

  • 23 months ago · Quote · #3

    rooperi

    Thanx kco, couldn't find a metric one, only inches and gallons, this helps a lot

  • 23 months ago · Quote · #4

    kco

    no worries, good luck with the measuring and let us know how it go.

  • 23 months ago · Quote · #5

    rooperi

    UGH!

    Now it comes up with this:

    I need the liters in round figures, not the mm. Example, I need depth for 500 l, 1000 l, 1500l........ 23500l, 24000l

    Depth Litres
    100 __ 375.23
    200 __ 1046.67
    300 __ 1895.51
    400 __ 2875.48
    500 __ 3957.61
    600 __ 5120.66
    700 __ 6347.65
    800 __ 7624.14
    900 __ 8937.37
    1000 __ 10275.6
    1100 __ 11627.75
    1200 __ 12983.09
    1300 __ 14330.97
    1400 __ 15660.56
    1500 __ 16960.55
    1600 __ 18218.85
    1700 __ 19422.11
    1800 __ 20555.02
    1900 __ 21599.15
    2000 __ 22530.79
    2100 __ 23315.85
    2200 __ 23893.66
  • 23 months ago · Quote · #6

    rooperi

    anybody have any ideas?

  • 23 months ago · Quote · #7

    kco

    the only way I could think of, it cheating though Tongue Out,is by pouring in 500 l in a time marking it off till half way (is the same for the top half).

  • 23 months ago · Quote · #8

    rooperi

    geez, thanx.

    I've been looking in excel if there's no function that could calculate the mm if I input the litres, but all those things seem to be linear, and this clearly is not.

  • 23 months ago · Quote · #9

    kco

    btw how long is the tank ?

  • 23 months ago · Quote · #10

    rooperi

    6m long, 2,26m inside diameter.

    24069 litre capacity

  • 23 months ago · Quote · #11

    johnyoudell

    The trial and error idea might be a bit tedious to do - but you'll be pretty certain that your dipstick is properly graduated by that method.  Maths might need an act of faith in the end.

  • 23 months ago · Quote · #12

    Grobzilla

    I'm not doing the work, as I've forgotten it all, but I'm almost positive this is like a 2nd semester Calculus Integral problem. Start asking someone sharp w/Calculus.

  • 23 months ago · Quote · #13

    Grobzilla

    Oh, and hopefully obviously, halfway on the stick is 12000, w/the gradations closer together on either side of that point, and further aprt towards the ends.

  • 23 months ago · Quote · #14

    kco

    by using the link I gave you, you can be able calculate the depth when you want the volume to be for example for every 500 l. Type in the depth where you want the volume so ....

    so far I got.....

    121mm - 498 l

    194mm - 1000.8 l

    256mm - 1503.7 l

    312mm - 2006.9 l

    363         2499.7 l

    412         3000.4 l

    459         3503.1 l

    504         4002.7 l

    547         4495.3 l

    590         5001.2

    632         5507.1

    672         5998.5

    712         6498.5 

    752         7006.1

    790         7494.6

    829         8001.7

    867         8500.7

    905         9003.8

    942         9497.0

    980         10,006.5

    1017        10,504.8

    1054        11,004.7

    1091         11,505.8

    1128          11.993.8 

    half way  1130     12,034.5

    1165           12,509

  • 23 months ago · Quote · #15

    rooperi

    Ah, ok, i see what you're doing, kco, cool idea

  • 23 months ago · Quote · #16

    kco

    do you want the rest of it ? I got up to half way so far....

  • 23 months ago · Quote · #17

    Aletool

    The tank has 24000lt, divide that for 500lt You get 48 parts. Take the 2260mm total height and divide for 48 and you get 47.08mm for each 500lts.

    I'm right?

  • 23 months ago · Quote · #18

    rooperi

    Aletool wrote:

    The tank has 24000lt, divide that for 500lt You get 48 parts. Take the 2260mm total height and divide for 48 and you get 47.08mm for each 500lts.

    I'm right?

    no, unfortunately not. see post #13

  • 23 months ago · Quote · #19

    kco

    No.

  • 23 months ago · Quote · #20

    rooperi

    lol, kco, i'll have to put you on the payroll


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