[SEL] Calculating Volume of Water in a Tank

[Judge Tommy Turner]

Paul,
    I went back and checked to make sure the figure I got (close to 50 
gallons) was correct.  Looks like it is. The tank could potentially hold 
more than this.  But, you're not going to be able to run it at 100% 
capacity (10% of it would slosh out with the engine running) so I used 
90%.  I did a calculation a couple of nights ago and came up with 
something like 15 gallons but looking at the calculator, I think I know 
what I did wrong.  There are two ways to figure volume in a cylindrical 
tank.  One uses the diameter and the other uses the radius.  I think I 
typed in the radius (10 inches) when I should have typed in the 
diameter.  Using the radius gives a volume of 14 gallons.  Using the 
diameter gives a volume of 54 (both of these at 100%).  Didn't realize 
that a few inches could make such a difference.....

Tommy Turner
Magnolia, KY


>Ok Gang I have a coolant tank on E-bay for sell, the question is "How much water will it hold". 
>
>I need one of you mathematician to tell me how much water a round tank that is 20" in diameter and 42" tall will hold.
>
>Paul'
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