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The Woodworking Source Grand Opening
Saturday November 22
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02-14-2008, 10:31 PM
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#16
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This Space for rent
Name: Bob
City: Hendersonville
State: NC
County: Henderson
Join Date: Feb 2007
Avg Visit Freq/Week
= 0.67 over 125 days
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Re: Homemade air filter
Filter material discussion; Penn State Industries used to sell 5 micron and 1 micron filter felt so that we could make our own bags, replacing the cloth ones that came with the cheap DCs. My furnace filter is a $40 paper thing that is pleated about 4" deep. I worked around clean rooms at one time, and a thick filter(12") was what they used. So this got me to thinking I could buy some more 1 micron felt and build a better longer lasting furnace filter----washable(maybe)
Take your car air filter for instance, it uses pleated paper that's 1" deep. Shop vac filters too. If we bought the 1 micron felt it would be easy to build a filter for the shop and put this in front of a fan like this forum is showing. I would pleat it maybe 2"---the idea being to get filter area.
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02-15-2008, 11:21 AM
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#17
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Moderator
Advisory Panel
Name: Doug Robinson
City: Raleigh
State: NC
County: Wake
Join Date: Jul 2006
Age: 47
Avg Visit Freq/Week
= 6.89 over 125 days
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Re: Homemade air filter
Michael:
Woodsmith 95 is from 1994, so the air filter products out today were not out then (for the most part). Secondly, WS does not generally do tool comparisons.
Doug
__________________
Just because you can, doesn't mean you should. Unless you are Travis and you are considering buying a new tool!
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02-15-2008, 11:57 AM
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#18
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This Space for rent
Name: Glenn
City: Baskerville
State: VA
County: Mecklenburg
Join Date: Jan 2008
Age: 59
Avg Visit Freq/Week
= 6.72 over 125 days
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Re: Homemade air filter
Originally Posted by Douglas Robinson
FWIW:
The plans are in Woodsmith Issue No. 95.
Doug
Nice to know I am not the only one who saves "ancient" copies of Woodsmith etc. A lot of my upcoming shop projects including the air cleaner have their origins in my "library"  
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02-15-2008, 12:30 PM
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#19
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Moderator
Advisory Panel
Name: Doug Robinson
City: Raleigh
State: NC
County: Wake
Join Date: Jul 2006
Age: 47
Avg Visit Freq/Week
= 6.89 over 125 days
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Old Issues
Glenn:
I keep most of my mags. I have every issue of FWW, Shopnotes, and almost all WS. I have some random others (Wood, American WW, WW Journal, etc.) I refer to the often.
Doug
__________________
Just because you can, doesn't mean you should. Unless you are Travis and you are considering buying a new tool!
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02-16-2008, 10:01 PM
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#20
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This Space for rent
Name: Bruce
City: Apex
State: NC
County: Wake
Join Date: Nov 2005
Avg Visit Freq/Week
= 5.82 over 125 days
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Re: Homemade air filter
Unfortunately, most shop made filters don't get the particles that do the most damage to your lungs. You will need a V -Bank Mini Pleat Air Filter. I bought mine from Grainger several years ago. Paid about $40 for a pack of two (12" X 24") several years ago. Now they are about $40 each. When using furnace filters, as far as your lungs are concerned, you might as well use hog wire.
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