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DeckardCain
Stay a while and listen



Registered: 09/22/12
Posts: 236
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Would a cars blower motor work for a flow hood?
#26618516 - 04/21/20 07:23 PM (3 years, 9 months ago) |
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Considering building my own, i have access to blower motors all the time, im not sure the exact cfm a blower motor in a car puts out but they are quite strong i'd say. Is there any reason a blower motor might not work?
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rumfor69
Bodhicitta Cultivator



Registered: 08/05/11
Posts: 6,767
Loc: In the Gills
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Re: Would a cars blower motor work for a flow hood? [Re: DeckardCain]
#26618520 - 04/21/20 07:26 PM (3 years, 9 months ago) |
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I've never built one but you'd definitely need to know the cfm of the blower to do the calculations correctly I think
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DeckardCain
Stay a while and listen



Registered: 09/22/12
Posts: 236
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Re: Would a cars blower motor work for a flow hood? [Re: rumfor69]
#26619465 - 04/22/20 07:45 AM (3 years, 9 months ago) |
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Well if it’s too much it can be lowered easily, and not enough I could use 2?
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PiggyPig
Stranger


Registered: 03/18/20
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Re: Would a cars blower motor work for a flow hood? [Re: DeckardCain]
#26619569 - 04/22/20 08:54 AM (3 years, 9 months ago) |
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The biggest pain is the fact that is it all 12VDC. You can power it off a battery or power supply. I would recommend exceeding your CFM requirement and incorporating a fan speed controller. If you are tearing the parts out of an old vehicle, the dash controls would work as long the vehicle was not equipped with climate control. Any variable rheostat would do, just pay attention to the current rating of the control device and the current draw of the blower. Don't forget to use an inline fuse or other type of overcurrent device.
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POWAtrippin
Decidedly Undecided.



Registered: 10/22/08
Posts: 2,207
Loc: zone 9b
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Re: Would a cars blower motor work for a flow hood? [Re: PiggyPig]
#26619646 - 04/22/20 09:36 AM (3 years, 9 months ago) |
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Can it develop enough pressure for an inch of water collumn? Flow rates arent true to your flow rates until done at the operating pressure.
-------------------- Don't believe everything you think. TRADE LIST ‹Sell Your Soul› You know this place is owned and operated by the Illuminati, right? ‹lsdwithme› i possibly just smoked a rat turd
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poisoned
untitled



Registered: 04/17/13
Posts: 1,738
Loc: Yurop
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Re: Would a cars blower motor work for a flow hood? [Re: POWAtrippin]
#26619708 - 04/22/20 10:00 AM (3 years, 9 months ago) |
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12V DC converters can be ripped from computers. Or bought from China for $10-$20.
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DeckardCain
Stay a while and listen



Registered: 09/22/12
Posts: 236
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Re: Would a cars blower motor work for a flow hood? [Re: POWAtrippin]
#26619722 - 04/22/20 10:06 AM (3 years, 9 months ago) |
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Quote:
POWAtrippin said: Can it develop enough pressure for an inch of water collumn? Flow rates arent true to your flow rates until done at the operating pressure.
I’ve never used a water manometer, but one inch really doesn’t sound hard to achieve Maybe I’ll just take one home and mess around with it and see
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Grimsweeper
don't fear the sweeper


Registered: 01/29/18
Posts: 4,843
Loc: broom closet
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Re: Would a cars blower motor work for a flow hood? [Re: DeckardCain]
#26619840 - 04/22/20 10:57 AM (3 years, 9 months ago) |
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I've never seen a 12v blower that would put out enough cfm or static pressure for a FH.
-------------------- When you clean a vacuum cleaner you are a vacuum cleaner Build yourself a Flow Hood in these 99 simple steps
 
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DeckardCain
Stay a while and listen



Registered: 09/22/12
Posts: 236
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Re: Would a cars blower motor work for a flow hood? [Re: Grimsweeper]
#26620129 - 04/22/20 02:15 PM (3 years, 9 months ago) |
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I know this isn’t the exact blower I have access too but I found one that is supposed to be comparible with these specs
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