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Poor Mans Air Circulation System

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Project by Pie posted 03-02-2009 03:50 AM 8352 views 22 times favorited 43 comments Add to Favorites Watch

Ok stop laughing….ha-ha. I found this in one of my SHopNoyes mags and knew right away it wa for me. It is simple, inexpensive.. not sure how well it works. I needed something but can’t afford one with a blower fan etc like I see in workshop and mags. It is better than nothing and maybe it will help someone else.

-- Pie





43 comments so far

View Cathy Krumrei's profile

Cathy Krumrei

364 posts in 2853 days


#1 posted 03-02-2009 03:57 AM

Hey, anything is better than nothing and I have seen this work out. Fans are cheap enough to replace too.

View prez's profile

prez

347 posts in 2078 days


#2 posted 03-02-2009 04:18 AM

hey, did the same here but using a bathroom fan. Little smaller but it circulates the air and traps those fine particles that are floating around…and it works because I can already see some dust collecting on the filter…I added a variable speed switch so I can put it on high if I’m making “a lot of sawdust!”

-- George..." I love the smell of a workshop in the morning!"

View woodworm's profile

woodworm

14125 posts in 2257 days


#3 posted 03-02-2009 04:26 AM

Yes it is better than nothing.
Great “budget” project to keep your shop air clean and finally your lung dust-free.

-- masrol, kuala lumpur, MY.

View lew's profile

lew

10056 posts in 2422 days


#4 posted 03-02-2009 04:39 AM

Saw Alton Brown (Food Channel) do something like this to dry herbs. Instead of the duct tape, he used those inexpensive bungy cords wrapped around the filter/fan to hold things in place. He probably never watched Red Green.

-- Lew- Time traveler. Purveyor of the Universe's finest custom rolling pins.

View Woodchuck1957's profile

Woodchuck1957

944 posts in 2430 days


#5 posted 03-02-2009 04:53 AM

Prez, not a bad idea with the bath fan. I have a box fan that I made some sheet metal channel for a washable furnace filter to slide into the intake side of the fan. It doesn’t work too bad, but it does drag down the rpm of the fan quite a bit it seems. I do like it though because it’s very portable, and I can set it next to whatever it is I’m sanding. I also have a Delta 50-875 air filtration machine hanging from the cieling, and currently I’m working on building a furnace blower air filtration machine.

View grumpycarp's profile

grumpycarp

257 posts in 2412 days


#6 posted 03-02-2009 05:11 AM

Still WAY better than nothing. As long as you don’t take the one from the discharge side and put on the intake side to save on the cleaning . . .

View Woodchuck1957's profile

Woodchuck1957

944 posts in 2430 days


#7 posted 03-02-2009 05:23 AM

I don’t believe that there needs to be an exhaust filter, it doesn’t really acomplish much other than drag the rpm of the motor down even lower and putting more strain on it. Also I think I would change the wood cieling brackets so the fan slid into it like a drawer.

View DannyBoy's profile

DannyBoy

521 posts in 2532 days


#8 posted 03-02-2009 05:51 AM

I was considering doing this myself. I have already been using one on the floor, but I like the idea of having it hanging and pointing upwards.

~DB

-- He said wood...http://hickbyassociation.blogspot.com/

View Woodshopfreak's profile

Woodshopfreak

389 posts in 2408 days


#9 posted 03-02-2009 04:00 PM

I did the exact same thing, but I didn’t put a filter on both sides, just the intake side. I might put one on the other side for even more filtering. Mine seems to get a pretty good amount of dust, but I like your idea of how you mounted it, I might do that myself. It actually looks like we both used the exact same fan, the handle and knob are the same as the fan I used. For now I’m using a really cheap 30 day filter. When it gets filled up, I just take the vacuum to it and suck all the dust out of it, then I can keep using it.

-- Tyler, Illinois

View mnguy's profile

mnguy

161 posts in 2064 days


#10 posted 03-02-2009 04:17 PM

I also used this kind of setup until I got a JDS unit used off Craigslist, and it helped keep the fine dust down a lot. I agree on the outfeed filter; it’s not improving your dust capture much if at all, and is probably reducing your air flow a lot, which is more important for overall dust collection. Nice mounting setup!

View cabinetmaster's profile

cabinetmaster

10874 posts in 2224 days


#11 posted 03-02-2009 04:36 PM

Hey if it works don’t knock it. Anything is better than NOTHING.

-- Jerry--A man can never have enough tools or clamps

View Woodchuck1957's profile

Woodchuck1957

944 posts in 2430 days


#12 posted 03-02-2009 04:43 PM

I don’t think anyones knocking it, just adding more ideas to think about.

View Treverk's profile

Treverk

23 posts in 2146 days


#13 posted 03-02-2009 05:04 PM

I’ll bite on any “poor man’s” project these days.

-- Matt

View Pie's profile

Pie

187 posts in 2072 days


#14 posted 03-02-2009 07:43 PM

Thanks for all the comments and advice. I like the idea of having one so I can place it beside whatever I am cutting. I hadn’t thunked about the output filter reucing airflow, Imean I understand it but just didn’t cross my mind. I’ll remove it so that will save me the cost of an airfilter.

Hmmmm, bungee cords… I like that as well and I can get some at the Dollar Store.

Luv’n it!!!

-- Pie

View Hersh328's profile

Hersh328

38 posts in 2090 days


#15 posted 03-02-2009 11:01 PM

The poor man’s projects like these are the kinds of things keep that hard-earned money in our pockets. Keep posting them!

While this is working for you now, you can still keep an eye out and check with your local HVAC shops and you can often get a squirrel cage blower for cheap or free. Nothing better than upgrading from one poor man’s project to a better, more powerful poor man’s project. :)

-- Quidquid latine dictum sit, altum viditur

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