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carboy size madness continues
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Doug Miller
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carboy size madness continues
In article >,
(Alex Brewer) wrote:
>I just had to calibrate some water flow meters at work and found this
>useful when I did so.
>
>One US gallon of water weighs 8.33 lbs. I wanted to calibrate the
>scale, so I ran in 20 gallons of water into a container and expected
>to see 166.6 lbs of water. The difference between what I measured and
>what I expected was the accuracy of the scale.
Not so: the difference measures the combined INaccuracies of the scale, the
marked capacity of the container, the precision with which you filled it to
its marked capacity, and the repeatability of said filling (if you used a
container smaller than 20 gallons and filled it several times).
>
>If you have a resonably good bathroom scale, then put your carboy on
>it, record the measure (or zero the scale...) and start filling with
>water.
>
>When the scale hits (weight of carboy) + 50 lbs, you have 6 US gallons
>of water.
You have *approximately* 6 US gallons. :-)
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carboy size madness continues