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Forum topic by SuperCubber posted 04-09-2016 03:43 PM 613 views 0 times favorited 16 replies Add to Favorites Watch
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SuperCubber

919 posts in 1828 days


04-09-2016 03:43 PM

I’m planning on making a shop air filter from an old blower motor and fan. I’m curious as to the motor’s use for anything else. I have a more-or-less endless supply of the motors for the cost of shipping. Can I use them for anything else?

Thanks,

-- Joe | Spartanburg, SC | "To give anything less than your best is to sacrafice the gift." - Steve Prefontaine


16 replies so far

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jkinoh

90 posts in 1441 days


#1 posted 04-09-2016 03:59 PM

Are you talking furnace squirrel cage type blower, or something smaller?

-- Why buy it for $300 when you can make it for $500!!

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jonmakesthings

68 posts in 362 days


#2 posted 04-09-2016 04:18 PM

I’ve been wanting to make an air filtration system the exact same way, I have access to all the air handler blowers I want. Haven’t got around to it yet.

-- How can you have any pudding if you don't eat your meat?

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SuperCubber

919 posts in 1828 days


#3 posted 04-09-2016 04:23 PM



Are you talking furnace squirrel cage type blower, or something smaller?

- jkinoh

Yeah, squirrel cage blower. Anything from 1/6 to 1/2hp motors.

-- Joe | Spartanburg, SC | "To give anything less than your best is to sacrafice the gift." - Steve Prefontaine

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jkinoh

90 posts in 1441 days


#4 posted 04-09-2016 04:37 PM

I have a couple that I was considering the same thing. They’re both 1/3hp….I think. I use one just to circulate air in the shop in the summer. My concern was too much cfm. I have set to high speed, so maybe low speed would be better? I don’t think you want a lot of air blowing through the filter (or getting sucked through the filter).

-- Why buy it for $300 when you can make it for $500!!

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crank49

3993 posts in 2515 days


#5 posted 04-09-2016 05:25 PM

It is possible these motors are rated for air handling only. Specifically the air they handle is required to keep the motor cool. In a non-air handling application the motor would overheat.

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01ntrain

154 posts in 614 days


#6 posted 04-09-2016 06:08 PM


It is possible these motors are rated for air handling only. Specifically the air they handle is required to keep the motor cool. In a non-air handling application the motor would overheat.

- crank49

I think you’re over-thinking it. In the context of the OP’s post he is essentially talking about making his own “air handler” I’ve got a dedicated air filtration unit made by Wen. It’s a dual squirrel cage that pulls air in thru a set of filters and blows it out. Pretty much what an air-handler does on a furnace minus the duct-work. No talk about motors rated for this work in the manual…..

As far as the other question about speed….the Wen has 3 speed settings. A blower motor should have multi-taps to control the speed. If you can harness them all with a 3-position switch you should be able to dial in the speed that is best for your needs. Honestly, I use all 3 with mine.

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bigblockyeti

3937 posts in 1264 days


#7 posted 04-09-2016 06:15 PM

That should work out pretty well, especially with the newer blower motors, efficiency and little noise are paramount objectives in the design. A box containing one with a few good air filters surrounding it should work great.

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MrUnix

4726 posts in 1743 days


#8 posted 04-09-2016 06:23 PM

I think you re over-thinking it. In the context of the OP’s post he is essentially talking about making his own “air handler”
- 01ntrain

Nope, the question was:

I’m curious as to the motor’s use for anything else. I have a more-or-less endless supply of the motors for the cost of shipping. Can I use them for anything else?

In which case, Crank was correct – that they may not be appropriate for anything other than an application which moves air over the motor for cooling. If it is that type of motor, it can still be used, but an external fan or other cooling method would need to be employed to prevent overheating.

Cheers,
Brad

-- Brad in FL - To be old and wise, you must first be young and stupid

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SuperCubber

919 posts in 1828 days


#9 posted 04-09-2016 07:18 PM

Thanks for the replies. Crank and Brad nailed it. I’ll use one for the air filter and maybe a second air filter.

-- Joe | Spartanburg, SC | "To give anything less than your best is to sacrafice the gift." - Steve Prefontaine

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DIYaholic

19270 posts in 2219 days


#10 posted 04-09-2016 11:50 PM

I believe that others have used them for a downdraft sanding table….

-- Randy-- I may not be good...but I am slow! If good things come to those who wait.... Why is procrastination a bad thing?

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SuperCubber

919 posts in 1828 days


#11 posted 04-10-2016 12:46 AM

Hmm… That sounds like an interesting idea.

-- Joe | Spartanburg, SC | "To give anything less than your best is to sacrafice the gift." - Steve Prefontaine

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ScottStewart

119 posts in 1676 days


#12 posted 04-10-2016 12:45 PM

I would like to do this as well, but I can never find the squirrel cage blower, where do you guys get them?

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SuperCubber

919 posts in 1828 days


#13 posted 04-11-2016 01:52 AM

My cousin owns an AC business, but he said he recycles them when he takes out old ones, so you can probably pick them up cheap from an AC repair company.

-- Joe | Spartanburg, SC | "To give anything less than your best is to sacrafice the gift." - Steve Prefontaine

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jkinoh

90 posts in 1441 days


#14 posted 04-11-2016 12:45 PM

A friend made a downdraft out of a squirrel cage blower. Works well, but lots more volume to move.

This is either a coincidence, or Grizzly is watching me! (I don’t save cookies or browser history). Anyway, I’m posting and viewing comments on this thread and get an email from Grizzly for the following:

-- Why buy it for $300 when you can make it for $500!!

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DIYaholic

19270 posts in 2219 days


#15 posted 04-11-2016 12:48 PM

That right there…. is a deal to jump on!!!

I got that Grizzly Air Filter, for that same price….
If funds weren’t so tight, I’d get another!!!

-- Randy-- I may not be good...but I am slow! If good things come to those who wait.... Why is procrastination a bad thing?

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