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Old 09-12-11, 12:35 PM   #3
madmike
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Join Date: Sep 2011
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Quote:
Originally Posted by Daox View Post
How large is the collector? Also, how did you cut holes in the cans?
Hi Doax, the outside dimensions of the box are 45"x90" and 4" deep. I have 16 rows of 15 cans for a total of 240 pop/beer cans. The actual collector area of the cans is just under 21 sq. ft. To cut the bottom of the pop/beer cans I just an 1-1/2" hole saw in my drill press and tops I used tin snips to make fins to get the air swirling up the can column. The box is made up of 1/2" plywood and 1x4 lumber for the frame of the box. I used 3/4" foil backed styrofoam to line the whole inside of box.
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