Do I really have a 15 gallon kettle?

Although you don't need a mash ton or other things to do BIAB, you still need the right sfuff to brew it right!

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Beer-lord
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Do I really have a 15 gallon kettle?

Post by Beer-lord »

This is my kettle with about 12.5 gallons of beer. Does it look like there's 2.5 gallons of space left? I'm thinking it's not really a true 15 gallon kettle.
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Re: Do I really have a 15 gallon kettle?

Post by BlackDuck »

Yikes...that looks pretty tight. I'm not sure you could fit another 2.5 gallons either. How wide is it?

I'm sure your OCD will kick in eventually and you'll measure 15 gallons of water to see if it fits. There is no way possible that you will sleep until you know for sure. :jumpy: :jumpy:
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Re: Do I really have a 15 gallon kettle?

Post by Beer-lord »

It's 17" wide by 16" high. Who's the math wiz who can figure out that?
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Re: Do I really have a 15 gallon kettle?

Post by Inkleg »

How will he know for sure that what he is using to measure each gallon is accurate? :o :lol:
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Re: Do I really have a 15 gallon kettle?

Post by Beer-lord »

I'm Irish/Italian, does that help?
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Re: Do I really have a 15 gallon kettle?

Post by BigPapaG »

Volume of a (vertical) cylinder...

V = pi * r2 * h

So...

V = 3.14159 * (8.5 inches * 8.5 inches) * 16 inches

V = 3631.68 in3 (that's inches cubed)

That should answer your question!

What? No, not yet?

Ok, then...

1 cubic inch = 0.00432900433 US gallons

Sooo... 3631.68 in3 * 0.00432900433 gallons = 15.72 gallons

Oh yeah, answer is yes and I need a beer!

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Last edited by BigPapaG on Sat Jul 19, 2014 1:22 pm, edited 1 time in total.
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Re: Do I really have a 15 gallon kettle?

Post by RickBeer »

Nothing but air! BigPapaG for the score!
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Re: Do I really have a 15 gallon kettle?

Post by Beer-lord »

My head and my arse hurts after that. I suck at math but excel in history. :)
So you're saying my pot is more than 15 gallons?
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Re: Do I really have a 15 gallon kettle?

Post by BigPapaG »

Yup, almost 3/4 gallon more... If your measurements were correct, that is...

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Re: Do I really have a 15 gallon kettle?

Post by Beer-lord »

Yep, they are correct. I can still use a tape measure even though I can't do calculus.
Thanks for the brain buster info. :)
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Re: Do I really have a 15 gallon kettle?

Post by BigPapaG »

My pleasure!

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Re: Do I really have a 15 gallon kettle?

Post by alb »

WTG, BigPapaG!

I may be late to this party, but when the wort expands as it boils, I imagine you'll need every bit of that "excess" space over 15 gal.
Last edited by alb on Mon May 26, 2014 9:09 pm, edited 1 time in total.
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Re: Do I really have a 15 gallon kettle?

Post by BigPapaG »

BTW:

Every inch of level increase in THAT pot is 0.9825 gallons...

So, for future use, you can approximate a gallon an inch and only be off by a quart on a full pot!

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Re: Do I really have a 15 gallon kettle?

Post by BigPapaG »

alb wrote:WTG, BigPapaG!

may be late to this party, but when the wort expands as it boils, I imagine you'll need every bit of that "excess" space over 15 gal.
^^^^ This... So true!

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