Forum: Geothermal & Heat Pumps
05-20-11, 03:11 PM
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Replies: 1,943
Views: 3,641,812
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Forum: Geothermal & Heat Pumps
05-20-11, 03:41 AM
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Replies: 1,943
Views: 3,641,812
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Forum: Geothermal & Heat Pumps
05-18-11, 12:47 AM
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Replies: 1,943
Views: 3,641,812
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Forum: Geothermal & Heat Pumps
05-08-11, 05:53 PM
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Replies: 1,943
Views: 3,641,812
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Forum: Geothermal & Heat Pumps
05-02-11, 10:04 PM
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Replies: 1,943
Views: 3,641,812
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Forum: Geothermal & Heat Pumps
05-02-11, 06:43 PM
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Replies: 1,943
Views: 3,641,812
Ok, for drilling starting to think about the...
Ok, for drilling starting to think about the possibility of finding a used treadmill. Motors in those are ~2HP and with the whole thing i've got a DC power supply and PWM speed controler in the...
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Forum: Geothermal & Heat Pumps
04-28-11, 08:00 PM
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Replies: 1,943
Views: 3,641,812
Run some drilling stuff by you.
slow motor...
Run some drilling stuff by you.
slow motor but very high torque for price. Also really easy to power at 12V and DC so easily reversible. 10RPM might be slow, but i think the highest torque i...
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Forum: Geothermal & Heat Pumps
04-25-11, 02:45 AM
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Replies: 1,943
Views: 3,641,812
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Forum: Geothermal & Heat Pumps
04-24-11, 06:05 PM
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Replies: 1,943
Views: 3,641,812
AC,
First off, I’m looking for...
AC,
First off, I’m looking for polyisocyanurate sheeting in the Portland area and seems that most hardware stores don't seem to carry it. Wondering what you've been using in your walls and where...
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