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Finally building a flowhood


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17 replies to this topic

#1 Myc

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Posted 24 March 2008 - 12:29 PM

Woo Hoo!
Just got my new 24" x 48" HEPA filter panel in today. I can't wait to get started on the project.
Here's what I'm hoping to accomplish:

Mycotopia Web Archive: Laminar_Flow Hood

Been looking @ Grainger for a direct drive, forward curve blower and motor.

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#2 yerbaadam

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Posted 24 March 2008 - 01:35 PM

There's a great seller on ebay who sells all refurb blowers. Great prices and communication. I forget his name it's something like "the squirell cage blower guy".

Keep it mad blissful,
>Your friend,
Deadly Duzzy (aka NasCar denDriTE duDLEY)

#3 spacecake

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Posted 24 March 2008 - 04:32 PM

Good luck Myc..!

It's not only handy to have one (altho I haven't got one),it's always fun to build something by yourself !

#4 tomstevens

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Posted 24 March 2008 - 04:57 PM

Yeah I bought my blower from ebay the same guy that was mentioned before... Samsgreat is his name...have fun man...

#5 August West

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Posted 24 March 2008 - 04:59 PM

I've been lazily sitting here with a filter for a while - does anyone have a link to a thorough tek for building one of these?

#6 August West

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Posted 24 March 2008 - 07:20 PM

Woo Hoo!
Just got my new 24" x 48" HEPA filter panel in today. I can't wait to get started on the project.
Here's what I'm hoping to accomplish:
Mycotopia Web Archive: Laminar Flow Hood
Been looking @ Grainger for a direct drive, forward curve blower and motor.

I've been lazily sitting here with a filter for a while - does anyone have a link to a thorough tek for building one of these?

didn't mean to hijack your thread. :eusa_doh:
I'll start a new one.

#7 Lazlo

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Posted 24 March 2008 - 07:36 PM

I bought my blower from that same guy. :lol:

#8 Myc

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Posted 16 April 2008 - 04:23 PM

Today is test day and I'm pleased to report that my design is a success!!!
I researched lab grade equipment and reverse engineered a style that I thought would best suit my purposes. Having had no formal engineering education, I wasn't sure if this thing would even work.

The cabinet is constructed from a combination of 3/4" and 1/2" particle board. I chose these cheaper materials due to the fact that I was experimenting.
I used simple cabinet construction joints (rabbets, dadoes, screws and glue) to ensure air tightness of all connections.
All powered by a used 1/4 HP forward curve blower and motor.
The blower and inboard flourescent work light are capable of independent operation.
I'm especially happy with my "trick" pre-filter housing which uses cam screws and studs to make pre-filter maintainance a breeze.....LOL! Just remove the housing, change the filters, and replace.
Three pre-filters were chosen to extend HEPA filter life. One for coarse particles, an electrostatic filter for medium particles and an "ultra allergen" filter as a final measure. A removeable top and back make HEPA filter change out simple should it ever become necessary.
The actual filter face provides a 50" wide, by 30" tall, by 16" deep work area so I've got plenty of room to stretch out. Future work area plenum extension will be easy if 16" proves to be too shallow of a work surface.
Next, I need to build a simple stand to get this thing up off the floor. It's too heavy for one person to lift (weighs about as much as a double door refrigerator).

This is, of course, is a prototype design. The design could easily be rotated 180*. Locate the blower to the left or right, compress the blower intake housing (to make room for a desk chair), relocate the pre-filter intake to the side of the blower housing. Slight design modifications and this piece of equipment could be made to look like a writing desk. I would also choose to use premium hardwood plywood and hardwood lumber to speed the finishing process. There was a large amount of time spent on surface prep, sanding and painting.

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#9 AKcoast

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Posted 16 April 2008 - 04:58 PM

VERY nice design and craftsmanship!

#10 sooshane

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Posted 16 April 2008 - 05:13 PM

Very clean work! Looks good! :eusa_clap

#11 spacecake

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Posted 17 April 2008 - 01:48 PM

Yeah,that Flowhood looks pretty good Myc !

#12 onediadem

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Posted 17 April 2008 - 02:49 PM

Excellent work, and for saying you have no previous experience makes this jewel extra special indeed. I can tell it was a labor of love. :eusa_clap

#13 Hippie3

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Posted 23 July 2008 - 08:55 PM

how's it working out for ya ?

#14 Myc

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Posted 24 July 2008 - 10:36 AM

This piece of equipment is a success!
Totally nice working in front of a Cadillac setup like this one.
Easy cleanup
I installed a debris shield based upon some recommendations made by Hip3 using plastic sheeting and Velcro strips.
Airborne contams are non-existent so far.
Really helped me narrow down where contams were coming from during spawn culture and allowed me to make corrective measures.

Plenty of room for bulk substrate trays
Spawning and casing are virtually contam free - knock wood

Couldn't have done it without the vaults for ideas, links, and guidelines!

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#15 lucysd

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Posted 24 July 2008 - 11:02 AM

I bought my blower from that same guy. :lol:



well with all the business we bring him might be beneficial to make this guy a sponser being that his customer service skills are great too

we could get special deals fer mycotopia members if we refer all our members that need a hood to this guy whatever his name is hehehe

#16 gsmith1981

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Posted 24 July 2008 - 12:44 PM

ya dude always has deals

how much that filter run ya? cheapest i've found on that size was $700

#17 Lazlo

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Posted 24 July 2008 - 01:36 PM

That's one hell of a rig you've got there man! Nice.

#18 Myc

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Posted 24 July 2008 - 07:58 PM

how much that filter run ya? cheapest i've found on that size was $700


Scored it on Ebay.
New in box
Delivered
$65 USD
I just get lucky sometimes. :D

Thanks for the compliment Lazlo!
Hand-made with lots of TLC.
I think I wound up investing somewhere in the neighborhood of $300
Labor took some 50-60 hrs. from start to finish.




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