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Old 10-21-2009, 05:35 PM   #1
Boar Beer
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Not sure just where to post this question.
I have switched from propane to electric and have noticed that I no longer boil over my kettle. I know I can control the heat better but something else is going on. Has anyone else noticed this? Its great but why!
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Old 10-21-2009, 06:13 PM   #2
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Probably because less surface area is heating up. With gas you are heating a huge area of metal, creating points of steam to boil. With the element its just along the element.

Just a guess.

 
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Old 10-21-2009, 06:15 PM   #3
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Boar Beer, what electric heater are you using? Im looking to upgrade my heating methods but don't really want to go the propane route (limited space/ventilation)
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Old 10-21-2009, 06:20 PM   #4
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Quote:
Originally Posted by corvax13 View Post
Boar Beer, what electric heater are you using? Im looking to upgrade my heating methods but don't really want to go the propane route (limited space/ventilation)

I bought a nice retrofit from Brewmation brewmation.com
In my gallery you can see some pictures in the pictures it is set up as a HLT
but you can see the controller and all but the low level controler



In addition we are in the process of setting up a 1bb system again using a Brewmation retrofit. It should be up and running in 2 weeks
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Old 10-21-2009, 06:40 PM   #5
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I'm guessing you are not putting as many BTUs into the process as you did with the propane.
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Old 10-21-2009, 06:46 PM   #6
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arturo7
That should be right as we are only heating the wart. In any case it is great to use electric. Just turn a knob and set the boil and walk away.
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Old 10-21-2009, 07:51 PM   #7
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Well, considering that with a propane burner you are only utilizing about 36% (ala Sacc.) of the BTUs that the burner produces... most electric elements are right up there.

I can reach a boil in under 8 minutes easy with 5500W. That equates to only 18,700 BTUs... yah, 18,700. This equates to the performance of a 52,000 BTU propane burner.

I dont know why you do not boil over anymore... because I can easily boil over my 15.5 gal sankey while doing a 5 gallon batch with electric. I have done it on my brewcasts...

I use 100% to reach the boil, 70% to maintain it at 3700W or 12,580 BTUs

People are under the incorrect assumption that electric applies much fewer BTUs than gas, when that is simply not true. There is a reason your garage heats up to 90+ degrees in the winter when boiling with gas, you are wasting a crap ton of BTUs that arent going into the wort. When using electric, you are placing the BTUs directly in the wort, super efficient, cold garage. A 52,000BTU burner is the same as a 5500W element basically. Pretty amazing.


 
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Old 10-22-2009, 04:18 PM   #8
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^
What he said.

By process I meant wort. What size is your burner?
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Old 10-22-2009, 09:34 PM   #9
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Yah, how many watts are in your BK?

 
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Old 10-22-2009, 10:22 PM   #10
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Quote:
Originally Posted by Boar Beer View Post
arturo7
That should be right as we are only heating the wart. In any case it is great to use electric. Just turn a knob and set the boil and walk away.
Of course you mean after the boil over has passed...

 
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