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Mushrooms, Mycology and Psychedelics > Mushroom Cultivation
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flowhood blower question
    #8524480 -

first off, i have been searching and reading for the last two days now, and i think im doing okay, but i just wanted to hear from someone who really knows.

Im building a 2'x4' flowhood.  I purchased a "Donaldson Filtration Group HEPA"  with an efficiancy rate of 99.99% (but it also seemed to say that it was 99.999% when i was researching information on the filter itself)  Its 7.88" thick, 12 inches with the colar.
heres a link to one just like it.  http://cgi.ebay.com/ws/eBayISAPI.dll?ViewItem&item=370041740114

the blower that im looking at is "115/230 Volt Two Speed 1000 CFM Fasco Blower Assembly - A1000".  From my thinking this is going to be perfect, but ive never done this before, and want to make sure that this is going to be able to perform correctly when pressurizing the box.
heres a link  http://www.emotorpro.com/index.asp?PageAction=VIEWPROD&ProdID=3742


ive been reading teks on the build itself, and have no worries, I just really dont want to spend a few hundred on the wrong stuff.  Im pretty sure about the hepa filter itself.

thanks for any good input
b


--------------------
devils speak of the ways in which she'll manifest
angels bleed from the tainted touch of my caress
need to contaminate to alleviate this loneliness
I now know the depths I reach are limitless

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Re: flowhood blower question [Re: badiggity]
    #8524701 -

You need a blower that will deliver around 1,000 cfm @ .8 to 1" of static pressure.  That one doesn't say.  The amps and rpm are listed in 'free air', which doesn't make much sense, since the rpm won't change under load.  If it did, the motor would burn up.  Surf through the dayton motors and find one that lists around 1,000 cfm at pressure, not free air.
RR


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Download Let's Grow Mushrooms



semper in excretia sumus solim profundum variat

"I've never had a failed experiment.  I've only discovered 10,000 methods which do not work."
Thomas Edison

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Re: flowhood blower question [Re: RogerRabbit]
    #8527317 -

okay, first off thanks RR, very much.  I had this feeling there was something i was missing.

What I'm wondering atm is if one could use 2 smaller blowers instead of one large one.  In my reading I haven't seen the question posed.  that may be due to my ignorance in the area of motors and such thou.  I know just one wouldn't be capable of producing the pressure and airflow, but would two, lets say 500 cfm motors, both rated at 1" SP, running together produce the exact same results as one large?  or are they still unfit to perform up to the necessary specifications?

thanks again,
b


--------------------
devils speak of the ways in which she'll manifest
angels bleed from the tainted touch of my caress
need to contaminate to alleviate this loneliness
I now know the depths I reach are limitless

Extras: Filter Print Post Top
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Mushrooms, Mycology and Psychedelics > Mushroom Cultivation
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