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07-18-2006, 02:43 PM
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#1 |
Name: Larry Turner City: Raleigh State: NC County: Wake Join Date: Mar 2006 Avg Visit Freq/Week
= 0.00 over 180 days |
I have a large and heavy fan. It is 24" wide and at least 18" deep. I have always had it on the floor but recently built a shelf in my shop in the corner and lifted off the floor. The problem now I seemed to have lost a lot of air flow from the fan. It is up in a corner on the shelf. Does this type of fan require a lot of air flow from the back in order to put out air from the front? |  
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07-18-2006, 02:55 PM
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#2 | | Webmaster
Director
Name: DaveO City: Clayton State: NC County: Johnston Join Date: Aug 2005 Age: 38 Avg Visit Freq/Week
= 7.00 over 180 days |
I would think that you may have impeaded the air flow through the back of the fan by placing it in the corner, thusly reducing it's output. Most fans just "shoot" the air from the back out the front by the means of the angled fan blades.
Dave 
__________________   Nothing left to do but smile, smile, smile
Honestly Honey, that will cost around $100 $150 $200, and I need a few more tools. 
Heard from a client..."If I had your tools and experience...I could do it myself" 
"Be who you are and say what you feel, because those who mind don't matter and those who matter don't mind."
--Dr. Seuss
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07-18-2006, 02:59 PM
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#3 |
Name: Chris Hoffman City: Garner State: NC County: Wake Join Date: Oct 2005 Age: 32 Avg Visit Freq/Week
= 2.61 over 180 days |
Not trying to be a smarta**, but it seems to me like X cubic feet per minute coming out the front must mean there is X cubic feet per minute going in the back...unless you have one of those fans that generates matter - but I hear that they're expensive.
If I had to guess you're probably generating a lot of turbulence behind the fan by backing it into the corner and disrupting it's air supply, thereby reducing it's output.
Air supply...weren't they an '70's band?
Edit: DaveO, you're too quick!
PS-congrats on #4000
__________________
"If you can't learn to do something well, learn to enjoy doing it poorly."
----9-11-01----343----Never Forget----
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07-18-2006, 03:29 PM
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#4 |
Name: David City: Pittsboro State: NC County: Chatham Join Date: Oct 2005 Age: 52 Avg Visit Freq/Week
= 3.73 over 180 days |
There ain't no such thing as free! so I agree with Chris, the air needs to be able to get into the back of the unit.
__________________
David
"There is no trouble so great or grave that cannot be much diminished by a nice cup of tea" Bernard-Paul Heroux | |
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07-18-2006, 03:43 PM
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#5 | | Moderator
Name: Ray City: Raleigh State: NC County: Wake Join Date: Mar 2006 Avg Visit Freq/Week
= 0.78 over 180 days |
I'll second that agreement of the agreement. My comment is on the turbulence thing... if you don't have a clear path, front and back, and you do create turbulence, that 'disturbed' air will also degrade the flow.
Ray
__________________
I cut that board twice and it's STILL too short.
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07-19-2006, 08:18 AM
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#6 | | Moderator
Name: Peter Davio City: Hope Mills State: NC County: Cumberland Join Date: Dec 2005 Avg Visit Freq/Week
= 6.96 over 180 days |
with the fan backed into the corner, some of the air may be recirculating through it, in a circular pattern, further reducing perceived throuput.
__________________
Failure is the opportunity to begin again more intelligently. – Henry Ford
However your life is, meet it and live it. Henry David Thoreau
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