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metarinka · 02-01-2006, 04:37 PM

just bought the copper today, 60 foot coil of 3/4 NPS = 7/8 od and almost 3/4 I.D.
I also bought the acrylic domes from canada. Now I'm just gonna scrounge some old mild steel for a frame and look for a pump to push those beefy pipes (55 feet of this pipe will be 1.25 gallons in the loop and weight 40 pounds with the water)

I wanted to get the thinner copper ACR tube in a true 3/4 size but its hard to find fittings for that, and its hard to find it period. I got a reaally nice price on this stuff.

If anyone is interested I'll keep you guys updated

02-01-2006, 04:37 PM	#25
metarinka Cooling Neophyte Join Date: Jan 2006 Location: Ann Arbor, MI Posts: 34	Re: passive radiator design help needed just bought the copper today, 60 foot coil of 3/4 NPS = 7/8 od and almost 3/4 I.D. I also bought the acrylic domes from canada. Now I'm just gonna scrounge some old mild steel for a frame and look for a pump to push those beefy pipes (55 feet of this pipe will be 1.25 gallons in the loop and weight 40 pounds with the water) I wanted to get the thinner copper ACR tube in a true 3/4 size but its hard to find fittings for that, and its hard to find it period. I got a reaally nice price on this stuff. If anyone is interested I'll keep you guys updated