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Feb. 1st, 2005 @ 06:51 pm Watch Lights Fade from Every Room

Another Day Uselessly Spent. Ha.

Not worthless but I didn't actually get anything done other than experiment wth my water heater.

Realizing after I had walked around the house a few hours this morning that I wasn't going to actually get anything done since I was by myself, I ran to the hardware store and grabbed some odds and ends, drug a 60 gallon steel tank to the front yard, hooked some pipe from it to the inlet side of my rock in the attic which everyone must have, put about ten gallons of water in it and proceeded to make a nice bonfire around it.

The neighbors right next to me see this as normal behavior, he's retired and likes to sit and watch my projects. This will confirm the rest of the Neighborhoods suspicions though I am sure, ;o)

The line going into the rock is too hot to touch for more than a few seconds, even with my armoured hands.

The probe JB Welded to the midpoint of the nifty/heat/exchanging/pipe reports between 95 and 100 degrees.

The water exiting the rock as the steam condenses is 62 degrees, which just so happens to be the tempurature of the rock this AM.

The battery seems to take a charge quite well.

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About this Entry
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Date:February 2nd, 2005 01:01 am (UTC)
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what is that rock for neway?
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Date:February 2nd, 2005 02:18 am (UTC)
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I was wondering that myself...
Date:February 2nd, 2005 04:08 am (UTC)
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Heat storage
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Date:February 2nd, 2005 11:45 am (UTC)
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Date:February 2nd, 2005 03:52 pm (UTC)

The Rock

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Is a very large box, 5 foot wide, 5 foot deep, and four feet high.

I have 300 feet of pipe in a big loop in it. The water from my well is about 68 degrees. The water that goes into my hot water heater has to go through the rock before it gets to the tank. It absorbs heat from the rock. The more it absorbs, the less electricity I need to heat the water.

Attics in florida generally get about 140 degrees in the summer. The rock has a lot of mass. It takes a very long time to raise it's tempurature up or down, so it will stabilize at the average attic temp, which I predict to be 110 degrees.

Hopefully my hot water heater won't actually turn on for 7 or 8 months a year, and the rest of the time it will still be supplied water at a tempurature above the temp of the ground water.

No moving parts and it sits quietly in the attic. Nothing on my roof to maintain. I'll never need to clean leaves off it.
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Date:February 2nd, 2005 03:55 pm (UTC)

Re: The Rock

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oh.. alright... that's nice.