Deleted
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Post by Deleted on Apr 2, 2013 7:58:37 GMT -8
Great work.
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Post by satamax on Apr 2, 2013 8:02:23 GMT -8
Steve, quite nice!
The openings at the bottom are for air to enter, and you have some more on top for the convection to cool down the barrel inside your tiles?
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sray
New Member
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Post by sray on Apr 3, 2013 6:57:49 GMT -8
Thanks all; The tile octagon surrounding the barrel is open on top and flush with the top of the barrel. Room air is sucked in the small slots at the base and flows in the 3" space between the outside of the barrel and the inter surface of the tiles. A chimney effect to further cool the barrel and extract more heat. Still have access to the top of the barrel for cooking,etc.
The tiles are held to a steel frame at the corners with 1/4-20 threaded rod welded to 2" square sheet metal folded at a 135 degree angle diagonally (ie.custom headed bolt). This system I DO NOT recommend!!! It was a real pain to get the frame lined up on the axis of a perfect octagon, I cut the edges of the tiles at 22 1/2 degree bevels to fit tight, which they DID NOT!
If (when) I do it again, I will use two pieces of 3/4 X 1/8 flat bar edge to edge at a 135 degree angle, tack welded on the inside to make a piece of "angle stock" with 135 instead of 90 degree angle. These would go on the outside of the corners of the octagon with another piece of flat bar straddling the two tiles to back up them, making a channel to slide the tiles down. Replacement of tiles would be easy, no cutting of tiles, cleaner look, way less tolerances to worry about.
It's working great, I really like the clean look.
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Post by phlogiston on Apr 4, 2013 4:42:53 GMT -8
+1 Nice job Sray. Showed it to the boss who loves the heat from my shed rocket but has a problem with a 55 gallon drum in the sitting room. She is slowly coming around to a rocket for the house.
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Post by colinsaengdara on Apr 6, 2013 12:07:23 GMT -8
Very nice job Sray! How much heat are you getting upstairs? And, do you have any idea what your flue gas temps are when they exit the house? Thanks for sharing this inspiring project!
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sray
New Member
Posts: 11
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Post by sray on Apr 7, 2013 5:23:59 GMT -8
With both floors open and the blower in the ceiling of the top floor, I get really good air circulation. I have not measured the temp at the top of the chimney just before it exists the building, but at the cleanout outside, it drips condensation, so its rather cool.
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