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Shop: North Spore North Spore Mushroom Grow Kits & Cultivation Supplies   Original Sensible Seeds Autoflowering Cannabis Seeds, Bulk Cannabis Seeds

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InvisibleHumble Newcomer
Diddler de niños
I'm a teapot

Registered: 03/12/17
Posts: 1,483
Re: Flow Hood [Re: CapnZ]
    #24431946 - 06/24/17 02:49 PM (6 years, 7 months ago)

While on the subject, is there any truth to the design being absolutely crucial?

I like the OP's % of overengineering he will end with, he could dial down the fan output a little to provide exactly what he calculates he will need, but the fan won't be running at 100% while working day to day, and there is a little room for adjustment.

Surely with solid math like this, and building a square, symmetrical area to be pressurized, there shouldn't be much of a problem.

How much "proprietary engineering" do these flowhood companies have in the angles inside to direct airflow here or there? Pressurize the backside of the filters and it pushes out in a laminar fashion, correct?


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InvisibleHumble Newcomer
Diddler de niños
I'm a teapot

Registered: 03/12/17
Posts: 1,483
Re: Flow Hood [Re: bodhisatta]
    #24431962 - 06/24/17 02:56 PM (6 years, 7 months ago)

Thanks for verifying what i see that most build it (and i look forward to the enjoyment of building mine later on).

There was someone on some thread saying the OP needed to include some angled pieces like gussets in the corners at a 45 down to help direct airflow and they had this theory, and since i've never used one it made sense to a noob.

But the more i read the more i think thats bogus.


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InvisibleHumble Newcomer
Diddler de niños
I'm a teapot

Registered: 03/12/17
Posts: 1,483
Re: Flow Hood [Re: CapnZ]
    #24432505 - 06/24/17 06:33 PM (6 years, 7 months ago)

Right on. So a nice long radius 90 like that should suffice, no magic angles to create jfk bullet style airflow

"the angles inside are crucial and thats why its worth paying from fungi perfecti" .... loosely paraphrased, but that's what i read.  Not much, but when its the first thing a noob reads, it becomes a seed and grows doubt.


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