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08-12-2011, 07:18 PM   #1
Dirty
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Jan 2010
Olathe
Posts: 151
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Does any one know the math or website that can convert one to the other.

Bayou Classic has there banjo with a stand on sale was wondering which is going to give me more bang for the buck

The Banjo is up to 210000btu. What do i need in a Heating element to come close to this or what does a 5500w element equal in btu.

Time is a factor in my brew day as i work 7days a week.

Thanks

Rock Chalk

Chris

08-12-2011, 07:29 PM   #2
hopsalot

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Sep 2007
Corpus, Texas
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http://www.borino.com/GYC/wattsbtu_calculator.htm

This may help

08-12-2011, 07:57 PM   #3
passedpawn
Waste Allocation Load Lifter - Earth Class

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Apr 2009
☼ Clearwater, FL ☼
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The conversion factor won't answer the question you have. Not completely, anyway.

A large percentage of btu's ( or heat energy ) from a flame is thrown away to the air and surrounding objects. All of the energy from an electrical element goes to the water (except an insignificant amount lost in the home wiring and any switching apparatus, like a solid state relay).

I've done a bunch of these calculations, and I have several threads with graphs that can help you here. If you want that stuff, just ask and I'll track it down.

BTW...

1 BTU/hr = 0.293 Watts

210,000 BTU/hr * 0.293 = 61530 Watts
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08-12-2011, 07:59 PM   #4
kevink
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Jan 2010
PA
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I don't think its a direct conversion because with propane, a lot of heat never gets into the water. With electric, everything goes into the water.

08-12-2011, 08:09 PM   #5
kevink
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Jan 2010
PA
Posts: 723
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Quote:
 Originally Posted by passedpawn The conversion factor won't answer the question you have. Not completely, anyway. A large percentage of btu's ( or heat energy ) from a flame is thrown away to the air and surrounding objects. All of the energy from an electrical element goes to the water (except an insignificant amount lost in the home wiring and any switching apparatus, like a solid state relay). I've done a bunch of these calculations, and I have several threads with graphs that can help you here. If you want that stuff, just ask and I'll track it down. BTW... 1 BTU/hr = 0.293 Watts 210,000 BTU/hr * 0.293 = 61530 Watts
Lol. You beat me to it.

08-12-2011, 08:09 PM   #6
passedpawn
Waste Allocation Load Lifter - Earth Class

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Apr 2009
☼ Clearwater, FL ☼
Posts: 26,241
Liked 6889 Times on 4073 Posts

Here's a graph of my 5500W element heating 10g water to a boil. About 40 minutes. See for yourself.

http://www.homebrewtalk.com/f51/how-...ml#post1957831
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08-12-2011, 11:26 PM   #7
Dirty
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Jan 2010
Olathe
Posts: 151
Liked 2 Times on 2 Posts

Quote:
 Originally Posted by passedpawn The conversion factor won't answer the question you have. Not completely, anyway. A large percentage of btu's ( or heat energy ) from a flame is thrown away to the air and surrounding objects. All of the energy from an electrical element goes to the water (except an insignificant amount lost in the home wiring and any switching apparatus, like a solid state relay). I've done a bunch of these calculations, and I have several threads with graphs that can help you here. If you want that stuff, just ask and I'll track it down. BTW... 1 BTU/hr = 0.293 Watts 210,000 BTU/hr * 0.293 = 61530 Watts
Thanks

Exactly what im looking for

Chris