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Date: 18 Sep 2006 14:48:38
From: changey
Subject: How big a burner do I need....
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...to put under a 100-quart pot to bring 20 gallons to boil? How many
BTUs should I be looking for?
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Date: 19 Sep 2006 00:01:06
From: John 'Shaggy' Kolesar
Subject: Re: How big a burner do I need....
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On 18 Sep 2006 14:48:38 -0700, <patrickundertow@hotmail.com > wrote:
> ...to put under a 100-quart pot to bring 20 gallons to boil? How many
> BTUs should I be looking for?
Depends on how fast you want it to boil, vs how much you want to spend
on gas. Regarding 5 gallon batches, it can be done with 30K BTUs and it
can also be done with 200K BTUs. With outdoor propane burners, generally
speaking the lower the BTU rating the longer it will take but the more
efficiently it will burn gas. As you move up the range, obviously your
"time to boil" goes down but you're cost per batch goes up since higher
pressure burners are less efficient.
Personally, I use either a 150K or a 180K BTU burner for a 10 gallon batch
and it works fine. I crank it up all the way to reach a boil, and then
turn it almost all the way down to maintain the boil. A similar propane
burner would probably work just fine for 20 gallon batches as well. The 180K
BTU burners are still commonly available at hardware stores as turkey fryer
kits. If you wanted something stronger than that, you're probably going to
have to do a lot of searching to get something special, and it'll likely
cost a lot more.
John.
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Date: 18 Sep 2006 15:09:37
From: PaulK
Subject: Re: How big a burner do I need....
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Here's what you need.
http://www.bayouclassicdepot.com/kab4_banjo_burner.htm
I boil up to 30 gallons without problem with that burner.
changey wrote:
> ...to put under a 100-quart pot to bring 20 gallons to boil? How many
> BTUs should I be looking for?
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Date: 19 Sep 2006 01:33:13
From: Brian Foster
Subject: Re: How big a burner do I need....
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I thought I saw a pair of those under the wings on a 737........
We're not talking BTUs anymore, we're talking pounds of thrust.......
"PaulK" <nyc_hg@yahoo.com > wrote in message
news:1158617377.327030.297230@m7g2000cwm.googlegroups.com...
> Here's what you need.
> http://www.bayouclassicdepot.com/kab4_banjo_burner.htm
> I boil up to 30 gallons without problem with that burner.
>
> changey wrote:
>> ...to put under a 100-quart pot to bring 20 gallons to boil? How many
>> BTUs should I be looking for?
>
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Date: 18 Sep 2006 21:15:55
From: Lefty Skywalker
Subject: Re: How big a burner do I need....
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Brian Foster wrote:
> I thought I saw a pair of those under the wings on a 737........
>
> We're not talking BTUs anymore, we're talking pounds of thrust.......
Fortunately the nozzles are arranged to mostly cancel out thrust.
A propane rocket is doable, using N2O as an oxidizer. Both pressurize
themselves to similar pressures. I worked out the math once but decided
the performance was too low to make it worth doing.
--
Daniel O. Miller
"The most beautiful experience we can have is the mysterious. It is the
fundamental emotion which stands at the cradle of true art and true
science. Whosoever does not know it and can no longer marvel, is as good
as dead, and his eyes are dimmed." - Albert Einstein
WWYD? (-o-) <* > Genesis 49:17
Real email address: darth dot lefty at golf mike able india lima.
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Date: 19 Sep 2006 12:54:56
From: Bill Riel
Subject: Re: How big a burner do I need....
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In article <1158617377.327030.297230@m7g2000cwm.googlegroups.com >,
nyc_hg@yahoo.com says...
> Here's what you need.
> http://www.bayouclassicdepot.com/kab4_banjo_burner.htm
> I boil up to 30 gallons without problem with that burner.
Wow - that thing must chew through propane pretty good!
--
Bill
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Date: 19 Sep 2006 20:08:01
From: John 'Shaggy' Kolesar
Subject: Re: How big a burner do I need....
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On Tue, 19 Sep 2006 12:54:56 -0700, <me@privacy.net > wrote:
> In article <1158617377.327030.297230@m7g2000cwm.googlegroups.com>,
> nyc_hg@yahoo.com says...
>> Here's what you need.
>> http://www.bayouclassicdepot.com/kab4_banjo_burner.htm
>> I boil up to 30 gallons without problem with that burner.
>
> Wow - that thing must chew through propane pretty good!
If you read down in the description, it's only 210K BTU which is basically
similar to many burners available as turkey fryer kits. I've got one that
is around 180K BTU. At the efficiencies we're talking about, they're
pretty much the same strength in regards to actual heat output.
So, it probably doesn't chew through propane significantly faster than
most burners that homebrewers use.
John.
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Date: 19 Sep 2006 15:39:02
From: Bill Riel
Subject: Re: How big a burner do I need....
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In article <slrneh0jn7.qm7.spam@weizen.shagg.net >, spam@shagg.net
says...
> If you read down in the description, it's only 210K BTU which is basically
> similar to many burners available as turkey fryer kits. I've got one that
> is around 180K BTU. At the efficiencies we're talking about, they're
> pretty much the same strength in regards to actual heat output.
>
> So, it probably doesn't chew through propane significantly faster than
> most burners that homebrewers use.
you're probably right - though the stoves I use are ring burners which
top out around 50K BTUs. They're slower, but pretty easy on the propane.
--
Bill
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