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Invisiblesh4d0ws
LSx
I'm a teapot User Gallery

Registered: 02/26/08
Posts: 12,086
Why 1" WG or WC?? (building flow hood)
    #22116214 - 08/20/15 10:52 AM (8 years, 5 months ago)

I'm getting back into mycology after a long hiatus. This time around I'm not using a glove box...fuck them.

I want to do it proper.

I can't figure out for the life of me where everybody who's written flow hood teks determined that the blower should be able to blow the right amount of air with a static pressure of 1" WG


Is this a typical amount used for the construction of any flowhood...and if not...why am I having such a bloody hard time trying to figure this out?

Little bit frustrating


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Edited by sh4d0ws (08/20/15 10:55 AM)


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Invisiblesh4d0ws
LSx
I'm a teapot User Gallery

Registered: 02/26/08
Posts: 12,086
Re: Why 1" WG or WC?? (building flow hood) [Re: sh4d0ws]
    #22116304 - 08/20/15 11:31 AM (8 years, 5 months ago)

These are the blowers I'm looking at

http://www.homedepot.ca/wcsstore/HomeDepotCanada/images/catalog/VORTEXSPECS.pdf


I'm assuming I need to look at 1" WG/WC to deliver the right flow of air... (CFM)  (for unknown reasons, unless someone here can help, which I'm certain somebody knows)


The HEPA filter I will be purchasing will either be a 6" or 12" deep @ 2' x 2' height/width

I'm starting to get my brain around this...it just took a day of reading...

From my understanding the 6" I purchase will have more resistance, so it's ideal over the 12"...


Thanks shroomerites


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Edited by sh4d0ws (08/20/15 11:35 AM)


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Invisiblesh4d0ws
LSx
I'm a teapot User Gallery

Registered: 02/26/08
Posts: 12,086
Re: Why 1" WG or WC?? (building flow hood) [Re: sh4d0ws]
    #22116468 - 08/20/15 12:17 PM (8 years, 5 months ago)

It seems the filter itself will have it's own static pressure associated to it, depending on it's own specifications.

By the time I get an answer here I'll probably have my own tek down, so I'll try to take pictures of my building process and build a simplified tek that is maybe a little easier to understand...

I've had to consult several teks across many websites to understand this, and I consider myself to be a decently smart person


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Invisible36fuckin5
Alchemycologist


Registered: 08/11/03
Posts: 12,081
Loc: Diving into Mystical Territori...
Trusted Cultivator
Re: Why 1" WG or WC?? (building flow hood) [Re: sh4d0ws]
    #22117597 - 08/20/15 04:56 PM (8 years, 5 months ago)

I'm with you on this one. I'm not 100% sure why everyone says it has to be X CFM at 1". Y CFM at Z resistance should logically output the same flow when it comes out of the filter.

My best guess has been something to do with not overloading the blower/saving money not buying a blower more powerful than what you actually need, but that's speculation.


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Redd Foxx said:
If you're offended I don't give a shit and don't come see me no more.

Pat The Bunny said:
A punk rock song won't ever change the world, but I can tell you about a couple that changed me.

bodhisatta said:
i recommend common sense and figuring it out.

These are the TEKs I use. They're all as cheap and easy as possible, just like your mom.


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