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Old 04-22-2010, 07:56 PM   #11
shushikiary
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Apr 2010
denver
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My concern would be safety. It's very difficult to properly ground a plastic bucket, and thus if you get something that decides to charge your wort/water to 120 or 240 VAC and you stick your metal stir spoon in it or your hand, you're going to have a bad day.... if its in a metal container that is grounded the GFCI will most likely pop by it shorting to ground before it shorts through you (you have a higher resistance and things like to take the path of least resistance).

It's not like it's a death trap, but it's definitely less safe than a metal brew pot.

 
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Old 04-22-2010, 09:26 PM   #12
Brewer_Chad
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Nov 2007
Fayetteville, A.R.
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Your right I do need to figure out a way to ground this thing. I would buy a metal brew pot but I am low on cash; being a college student sucks. Cant use a turkey fryer in this apartment, and they are pricey. Making two 2.5 gallon batches of home brew on the stove sucks. It is very inconsistent.

I have come up with this design.

7 gallon 100mil Bucket; I got an extra.

120 volt 1500 watt Hot Water Heater Element. $10.00 I found a 2000 watt I could use too.

1in copper female adapter fitting to attach to bucket. $8.00

1in pvc cap to put on the outside of the bucket to cover exposed wires on the heating element. $1.00

Extension cord with ground to wire the element with.

Food Grade silicone sealant DAP 70512 has a working temp of 440 degrees use it to seal off the inside and outside of the bucket, element, etc.

Any suggestions on how to ground this thing?
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Old 04-23-2010, 02:07 AM   #13
Brewer_Chad
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Nov 2007
Fayetteville, A.R.
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It takes one BTU to raise one pound of water 1 degree.

6 gallons of water weighs nearly exactly 50 pounds

You have to raise that water 142 degrees, you report.

That will require 7100 BTU's

Your 1500 watt element will provide 5120 btu/hr.

It will take approximately 1 hour and 23 minutes to bring 6 gallons of water, starting at 70 degrees, to a boil with a 1500 watt heating element.

I might go with the 2000 watt to cut down time.
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Old 04-23-2010, 02:15 AM   #14
jkarp
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Jun 2008
Elizabeth, CO
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Quote:
Originally Posted by Brewer_Chad View Post
It will take approximately 1 hour and 23 minutes to bring 6 gallons of water, starting at 70 degrees, to a boil with a 1500 watt heating element.

I might go with the 2000 watt to cut down time.
And that assumes ZERO heat loss. 2KW tops out at about 5 gallons of boiling. Gotta go 240V for more (or multiple elements).

 
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Old 04-23-2010, 02:16 AM   #15
Brewer_Chad
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Nov 2007
Fayetteville, A.R.
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I asked a question on a forum they were nice it you would like to see it look here.

http://www.electriciantalk.com/f2/will-work-help-13310/
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Old 04-23-2010, 02:21 AM   #16
Brewer_Chad
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Nov 2007
Fayetteville, A.R.
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The only reason I am shying away from multiple elements is because I want to be able to take it to friends houses for brew in's. Any one have any thoughts on grounding, or a fuse for this thing.
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Old 04-23-2010, 04:05 AM   #17
Sawdustguy
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Mar 2009
Manorville, New York
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Quote:
Originally Posted by Brewer_Chad View Post
It takes one BTU to raise one pound of water 1 degree.

6 gallons of water weighs nearly exactly 50 pounds

You have to raise that water 142 degrees, you report.

That will require 7100 BTU's

Your 1500 watt element will provide 5120 btu/hr.

It will take approximately 1 hour and 23 minutes to bring 6 gallons of water, starting at 70 degrees, to a boil with a 1500 watt heating element.

I might go with the 2000 watt to cut down time.
For 2000 Watts you also need a 20 Amp circuit or you will keep popping the circuit breaker.
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Old 04-23-2010, 01:48 PM   #18
Brewer_Chad
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Nov 2007
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I will check on the circuit Amperage thanks I haven't thought of that.
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Old 04-23-2010, 06:02 PM   #19
Brewer_Chad
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Nov 2007
Fayetteville, A.R.
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Just checked my breaker box they are all 20 Amp, so I should be good.
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Old 04-23-2010, 06:05 PM   #20
Brewer_Chad
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Nov 2007
Fayetteville, A.R.
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http://www.mhi-inc.com/Converter/watt_calculator.htm

Found this its pretty handy stuff.
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