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Unread 02-17-2006, 01:47 PM   #72
bigben2k
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Join Date: May 2002
Location: Texas, U.S.A.
Posts: 8,302
Default Re: Wind Tunnel Construction

Went through the PID manual last night, got 2 pages of notes. Will know more when I have the unit in hand. Auto-tune is going to be limited (needs a 40 deg C span) , but fuzzy and PID will be available.

Stopped by Lowes today:
-egg crates available, ~1/2" squares, ~1/4" thick. 2' by 4' sheets, ~$10.

-screens available; door screen (reticular implant estimates 85% opening) and "dog-resistant" screen, reticules to ~67% (brick pattern). $5 to $10 for a roll. Manufactured by Phifer.

-picked up a "test plug", 1 1/2". Expands to 1 5/8", at best. No smaller sizes available there. $2.

Today I'm going to source an SSR, and continue to try to master the calculations.

Uncle Sam is blessing me with a fat return

Last edited by bigben2k; 02-17-2006 at 02:02 PM.
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