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07-09-2011, 02:12 AM
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#11
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Feedback Score: 0 reviews
Join Date: May 2011
Location: marga, ritaville
Posts: 131
Liked 14 Times on 3 Posts
Likes Given: 3
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Solar panels, batteries, inverters all have too much inefficiency. Why not build a solar collector withttubing inside a box painted black? Using a heat exchanger, you may not get full boiling temps but I bet it was big enough and you had a hot day you would get pretty close. Many not need much extra heat to get where you need. I have thought about this for a while...
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07-09-2011, 02:52 AM
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#12
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← Moster Truck Force →
Feedback Score: 0 reviews
Join Date: Apr 2009
Location: ☼ Clearwater, FL ☼
Posts: 14,185
Liked 1345 Times on 943 Posts
Likes Given: 925
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- Buy a used golf cart. 48V from 6 or 8 series-connected batteries, more current than you can use (i.e., typical golf cart motors are about 3.5 HP or 2500W)
- Build a keggle with 3 120W elements wired in parallel.
- Connect the motor connections to the parallel elements.
- Use the golf carts throttle mechanism to control the power to the elements. The motor controllers on those things are PWM to gate drivers for large MOSFETS.
- Mobile brewery.
__________________
Mornie utulie,
Believe and you will find your way.
Mornie alantie,
A promise lives within you now....
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07-09-2011, 03:08 AM
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#13
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Feedback Score: 0 reviews
Join Date: May 2011
Location: Seabrook, TX
Posts: 512
Liked 21 Times on 21 Posts
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Quote:
Originally Posted by ryclo
Solar panels, batteries, inverters all have too much inefficiency. Why not build a solar collector withttubing inside a box painted black? Using a heat exchanger, you may not get full boiling temps but I bet it was big enough and you had a hot day you would get pretty close. Many not need much extra heat to get where you need. I have thought about this for a while...
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I have an old sliding glass door in my back yard.
I have thought about doing something like this:
http://www.instructables.com/id/Batch-Solar-Water-Heater/
On a hot day it supposedly can get to near mash temp (150F).
If not, it can be used for hot cleaning water. |
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07-09-2011, 03:31 AM
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#14
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Feedback Score: 0 reviews
Join Date: Dec 2008
Location: Southeastern PA
Posts: 1,120
Liked 14 Times on 13 Posts
Likes Given: 26
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Check out Princeton Homebrew's site. He's not using Electric, but it is alternative energy. Fresnel Lenses...Large Fresnel lenses.
www.solarhomebrew.com
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07-10-2011, 01:32 AM
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#15
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Feedback Score: 0 reviews
Join Date: Feb 2011
Location: Palmer, AK
Posts: 7
Liked 1 Times on 1 Posts
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Yeah, I guess using batteries and inverters would probably be pretty expensive...looking at some of the deep cycle batteries and one of them would about blow a $500 budget. The solar oven/giant magnifying glasses are great, but I don't think our sun angle and or lack of sunlight in the winter would make it a year round type solution...hence the trickle charger. One can always dream though...maybe in 20 years.
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07-10-2011, 12:39 PM
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#16
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Feedback Score: 0 reviews
Join Date: Oct 2008
Location: ☁Scappoose, OR☂
Posts: 291
Liked 1 Times on 1 Posts
Likes Given: 2
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Quote:
Originally Posted by XXguy
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That is really interesting, although I wonder how hard it would have been to plumb steam from the corny and used it as a steam generator for heating a mash/wort? Get two of those suckers focused on it and see what happens!
__________________
Beer, happy Produce of our Isle/Can sinewy Strength impart,
And wearied with Fatigue and Toil/Can cheer each manly Heart.
Labour and Art upheld by Thee/Successfully advance,
We quaff Thy balmy Juice with Glee/And Water leave to France.
Genius of Health, thy grateful Taste/Rivals the Cup of Jove,
And warms each English generous Breast/With Liberty and Love!
(Rev James Townley, 1751)
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