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01-09-2016, 09:37 PM
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Join Date: Mar 2005
Location: Olathe, KS
Posts: 374
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Source for paint booth axial fan
A bought a 5 by 4 paint booth for next to nothing. It is missing the fan. It is supposed to use an 18" axial ducted fan with a 1/3 hp motor. Total cfm is around 3000. Looking online, it seems like those fans are close to $1000! Anyone have any different solutions or alternate sources?
Thanks
Scott
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01-09-2016, 11:05 PM
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Join Date: Apr 2005
Location: Indepenence, Oregon
Posts: 342
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The fan out of a home forced air system. Go to a local heating contractor and see if they have one from a system that they got when they upgraded a old one. I got one for free. It had three speeds, used high while painting and low after the paint fog was gone
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Bruce Patton
Rans S-20 Raven 796S flying since 2019 (slowly)
RV-6A 596S flying since '99 (Sold)
HP-18 5596S flying since '89
RV-10 996S flying since 2014, quick build wing and slow build fues., - dual Skyviews with complete system, two radio and not much else. Interior completely finished with Zolatone. CF plenum. 1624 lbs, FLYING after a 21.5 month build.
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01-09-2016, 11:47 PM
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Forum Peruser
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Join Date: Jan 2005
Location: Austinville, Alabama
Posts: 2,458
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Most residential HVAC systems use a centrifugal fan, not an axial fan. Static pressure vs CFM curves are quite different. You can still make the centrifugal work but don't just cluge it together. Axial fans are used for more CFM vs. inches of static pressure. Centrifugal fans usually used for more SP vs. CFM. Good luck.
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Don Hull
RV-7 Wings
KDCU Pryor Field
Pilots'n Paws Pilot
N79599/ADS-B In and Out...and I like it!
?Certainly, travel is more than the seeing of sights;
it is a change that goes on, deep and permanent, in the ideas of living." Miriam Beard
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01-10-2016, 12:16 AM
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Join Date: Dec 2010
Location: Redlands, CA
Posts: 176
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01-10-2016, 08:33 AM
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Join Date: Jan 2005
Location: Yorkshire, England
Posts: 2,052
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Northern Tools have some exhaust fans starting below $200.
You really don't need a huge amount of extraction, especially if you use an HVLP gun - very little overspray and you are operating at about 40psi.
I used a 10" fan in a plywood panel trapped under a roller shutter door. Look at Randy Lervold's build log - that is where I got the idea from - oh and I pinched his color scheme as well ! I did ask first though 
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"I add a little excitement, a little spice to your lives, and all you do is complain!" - Q
Donated in 2020
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01-10-2016, 09:40 AM
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Join Date: Oct 2005
Location: Estes Park, CO
Posts: 3,947
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Bildge blower
I no expert but I use this one often and it works. Hooks up to a dryer vent I installed on the shop wall. It's works good on jobs up to spraying a skin. I have a small temporary booth for little parts and a bigger temporary for larger stuff.
http://www.marinepartssource.com/new...Bilge%20Blower
I used it a temporary booth to shoot the interior parts.
http://www.vansairforce.com/communit...d.php?t=132492
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Larry Larson
Estes Park, CO
http://wirejockrv7a.blogspot.com
wirejock at yahoo dot com
Donated 12/03/2019, plus a little extra.
RV-7A #73391, N511RV reserved (2,000+ hours)
HS SB, empennage, tanks, wings, fuse, working finishing kit
Disclaimer
I cannot be, nor will I be, held responsible if you try to do the same things I do and it does not work and/or causes you loss, injury, or even death in the process.
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