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TheMadHatter420
Trusted Farmer


Registered: 10/12/16
Posts: 12,942
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Re: Flow Hood Design Questions [Re: bodhisatta]
#24156137 - 03/12/17 12:41 PM (7 years, 3 months ago) |
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hmmmm my fan is like 1400 cfm, at 1in sp, on low setting. Fucker is cap started. I don't think I could really start it at that and drop the speed without risk of damage to my filter. I wonder if I could design a pressure release in the plenum that I could leave open when starting and then close when I have fan down around a safe speed. Fucking fan is big enough to push a 4 foot by 4 hepa, but it was only $20. Maybe I will hunt another fan.
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c10h12n2o
serial dilutor



Registered: 01/21/15
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Re: Flow Hood Design Questions [Re: bodhisatta]
#24156385 - 03/12/17 02:53 PM (7 years, 3 months ago) |
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Quote:
CapnZ said: Looks awesome man! You are more ambitious than I am - I went with all right angles! 
Yeah make sure you have enough room behind the filter but looks awesome!
thanks guys, this design has an 8" plenum, with the 5.8" filter that should be adequate right?
I thought about doing some shelving above, but there is a reason for the extra large blower housing: 1) if the 1/4 hp proves too weak i will have room to drop in the 1/2 hp, 2) the front section is going to hold lights
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bodhisatta said:
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c10h12n2o said: that is exactly the one i got. i did hear RR say that if youre using this with a cap start blower, be sure you always start it on full and then reduce it as needed
ok so ive been doing some planning/modeling/drafting, and i think i have settled on a basic design... how does this look to yall?

Looks pro quality
thanks buddy, that is EXACTLY what i was hoping to hear I basically looked at a bunch of pro designs and tried to figure out what i could build, and what would be practical. btw thanks a bunch for helping me narrow down the build candidates and work out some of those details, i really appreciate your feedback. (i have been annoying bodhi about this project for quite some time now lol...)
i didnt include the lights, glass lining on the workspace surfaces, windows, etc, just to make the model easier to understand and visualize
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  C10's Agar Guide + Tips and Tricks | c10's Flow Hood Build Guide "Partial knowledge is more triumphant than complete knowledge; it takes things to be simpler than they are, and so makes its theory more popular and convincing." "Convictions are more dangerous enemies of truth than lies" ― Friedrich Nietzsche
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Marty Mycfly
Time Traveler


Registered: 12/16/13
Posts: 976
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Re: Flow Hood Design Questions [Re: c10h12n2o]
#24156620 - 03/12/17 04:18 PM (7 years, 3 months ago) |
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Dude, I look forward to seeing this come together, looks super nice
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c10h12n2o
serial dilutor



Registered: 01/21/15
Posts: 3,200
Loc: the abyss
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thanks buddy! good to see you my friend i will post the final product for sure...
so i got all the cuts made today, hoped i'd get it screwed together today, just to fit everything and make sure everything seems right, then i plan take it apart and put a either a stain and seal on it or paint it with that VOC free antimildew paint, then put everything together
couple of things id like yalls feedback on:
1) stain & seal or paint?
2) should i glue and screw it, or should screws be sufficient?
3) regular silicon caulking, or epoxy resin in the seams? and would the epoxy go over the finish, or under it?
4) its not in the design model, but i plan to line the inside with glass, polycarbonate, acrylic, or metal. Im thinking aluminum, steel, or glass for the floor (scratch resistant, wont hide germs, easy to clean), glass/polycarbonate/acrylic for the sides (and window cut outs on the wood) and top (covering a cutout for the lights). I suppose the glass would be hard to attach, where i could just drill,cut, and screw everything else as needed. what do yall think for the bottom, top, and sides, out of these options?
5) besides the big leds in the top, is there any need for lights on the sides, in the floor, or anywhere else? any other lighting considerations?
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  C10's Agar Guide + Tips and Tricks | c10's Flow Hood Build Guide "Partial knowledge is more triumphant than complete knowledge; it takes things to be simpler than they are, and so makes its theory more popular and convincing." "Convictions are more dangerous enemies of truth than lies" ― Friedrich Nietzsche
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TheMadHatter420
Trusted Farmer


Registered: 10/12/16
Posts: 12,942
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Re: Flow Hood Design Questions [Re: c10h12n2o]
#24157754 - 03/13/17 12:10 AM (7 years, 3 months ago) |
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Ff you could do the floor in metal and have it bent nicely some where so it comes up the left and right side, well that may be nice. One continuous piece that's bent instead of cut pieces butted up. Better for cleaning and keeping clean, at least IMO
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mushpunx
Fungus Punk


Registered: 04/20/14
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Re: Flow Hood Design Questions [Re: c10h12n2o]
#24158109 - 03/13/17 07:22 AM (7 years, 3 months ago) |
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Quote:
c10h12n2o said: thanks buddy! good to see you my friend i will post the final product for sure...
so i got all the cuts made today, hoped i'd get it screwed together today, just to fit everything and make sure everything seems right, then i plan take it apart and put a either a stain and seal on it or paint it with that VOC free antimildew paint, then put everything together
couple of things id like yalls feedback on:
1) stain & seal or paint?
Your choice. I think stain would look better but the right type of paint might be better
2) should i glue and screw it, or should screws be sufficient?
Wood glue and screws is better, I used glue and screws in mine. Drilled the holes and used a bit to sink the screws, counter sink I think its called?
3) regular silicon caulking, or epoxy resin in the seams? and would the epoxy go over the finish, or under it?
I used silicone on mine on the inside. I checked for leaks with a burning incense
4) its not in the design model, but i plan to line the inside with glass, polycarbonate, acrylic, or metal. Im thinking aluminum, steel, or glass for the floor (scratch resistant, wont hide germs, easy to clean), glass/polycarbonate/acrylic for the sides (and window cut outs on the wood) and top (covering a cutout for the lights). I suppose the glass would be hard to attach, where i could just drill,cut, and screw everything else as needed. what do yall think for the bottom, top, and sides, out of these options?
If it were me I would just cut a piece of glass to fit in on the bottom and set it in place
5) besides the big leds in the top, is there any need for lights on the sides, in the floor, or anywhere else? any other lighting considerations?
I think you should build it first, you will have a better idea where to put the lights then
Just make sure that nothing is put in the flow of the filter where dust can collect and get blown around
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 Amateur Mycologists United AMU Q&A
Edited by mushpunx (03/13/17 04:44 PM)
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c10h12n2o
serial dilutor



Registered: 01/21/15
Posts: 3,200
Loc: the abyss
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Re: Flow Hood Design Questions [Re: mushpunx]
#24159010 - 03/13/17 02:50 PM (7 years, 3 months ago) |
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right right, i got that. anyone have any thoughts on those questions i mentioned?
bodhi? id love your feedback on these
i have something kinda unique in mind for holding the filter in place using pins. i will model that in 3d and show yall that after we work out those first few considerations (dont want to confuse or distract anyone away from the considerations in question)
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  C10's Agar Guide + Tips and Tricks | c10's Flow Hood Build Guide "Partial knowledge is more triumphant than complete knowledge; it takes things to be simpler than they are, and so makes its theory more popular and convincing." "Convictions are more dangerous enemies of truth than lies" ― Friedrich Nietzsche
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bodhisatta 
Smurf real estate agent


Registered: 04/30/13
Posts: 61,893
Loc: Milky way
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Re: Flow Hood Design Questions [Re: c10h12n2o]
#24159195 - 03/13/17 04:04 PM (7 years, 3 months ago) |
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Hi gloss paint or polyacrlyic (water based polyurethane)
I glue and screw everything, i would probably dovetail joint the whole thing myself lol
Glue>screws if you're going to use one or the other. I use a Pinner to hold things im gluing together
100% silicone can't be painted. Use a sealant that can be painted for seams.
If you can do metal all around I would
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CapnZ
Dimensional explorer



Registered: 12/22/16
Posts: 1,420
Loc: In the Mystic
Last seen: 8 months, 7 days
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Re: Flow Hood Design Questions [Re: c10h12n2o]
#24159210 - 03/13/17 04:10 PM (7 years, 3 months ago) |
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Here's what I did:
High gloss enamel paint. 3 coats. Stain may look cool, but an enamel finish is easier to clean.
Screws all around, and liquid nails in those areas that bear a load and are not designed to come apart ever for maintenance.
Silicone caulk ( I used white) all seams. Anywhere air might possibly leak. All inside joints and seams. EDIT: I meant silicone / latex caulk.
For the work area, floor - 28 gauge stainless steel. For the sides - pressure sensitive gloss white vinyl. For the top - clear poly carbonate plexi glass. That was approx 3/16" thick.
Edited by CapnZ (03/13/17 04:13 PM)
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mushpunx
Fungus Punk


Registered: 04/20/14
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Re: Flow Hood Design Questions [Re: c10h12n2o]
#24159330 - 03/13/17 04:46 PM (7 years, 3 months ago) |
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Quote:
c10h12n2o said: right right, i got that. anyone have any thoughts on those questions i mentioned?
bodhi? id love your feedback on these
i have something kinda unique in mind for holding the filter in place using pins. i will model that in 3d and show yall that after we work out those first few considerations (dont want to confuse or distract anyone away from the considerations in question)
Re read my reply I had left my thoughts under each question
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 Amateur Mycologists United AMU Q&A
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c10h12n2o
serial dilutor



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Re: Flow Hood Design Questions [Re: mushpunx]
#24162025 - 03/14/17 03:46 PM (7 years, 3 months ago) |
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thanks friends, i really appreciate the feedback! (lol sorry bout that mushpunx, i --obviously -- didnt read where you quoted me)
I wish i had thought to do dovetail joints to begin with, that would have been clutch. a little too late now, since everything is already cut to size... :/
tonight i will model some of the other details and post them to get yalls input, especially on the way i plan to hold the filter in place, since the way i plan to do it is substantially different from the way most people do it (since the edges dont end flush with the filter)
thanks again everyone! i will damn sure put this thing to work for community benefit (gonna do another big giveaway to celebrate finishing it )
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  C10's Agar Guide + Tips and Tricks | c10's Flow Hood Build Guide "Partial knowledge is more triumphant than complete knowledge; it takes things to be simpler than they are, and so makes its theory more popular and convincing." "Convictions are more dangerous enemies of truth than lies" ― Friedrich Nietzsche
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c10h12n2o
serial dilutor



Registered: 01/21/15
Posts: 3,200
Loc: the abyss
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Re: Flow Hood Design Questions [Re: c10h12n2o]
#24176198 - 03/19/17 09:14 PM (7 years, 3 months ago) |
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hey guys, sorry i didnt post those models, i got crazy busy!!
i am almost done!!! just finished painting, should be done tomorrow morning (assuming everything goes smoothly)
i am very nervous about my fit, because i am using pins into the filter housing to secure it against the furring, and i need them to line up to the 64th of an inch lol....
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  C10's Agar Guide + Tips and Tricks | c10's Flow Hood Build Guide "Partial knowledge is more triumphant than complete knowledge; it takes things to be simpler than they are, and so makes its theory more popular and convincing." "Convictions are more dangerous enemies of truth than lies" ― Friedrich Nietzsche
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Josh.0
ConnoissurOfSorts


Registered: 11/25/13
Posts: 553
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Re: Flow Hood Design Questions [Re: c10h12n2o]
#24176232 - 03/19/17 09:28 PM (7 years, 3 months ago) |
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That's gunna look good as fuk When finished  I can appreciate attention to detail!
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TheMadHatter420
Trusted Farmer


Registered: 10/12/16
Posts: 12,942
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Re: Flow Hood Design Questions [Re: Josh.0]
#24176307 - 03/19/17 10:01 PM (7 years, 3 months ago) |
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I can't wait to see it, I still have to get started on mine.
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mushpunx
Fungus Punk


Registered: 04/20/14
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Yowza!!
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 Amateur Mycologists United AMU Q&A
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CapnZ
Dimensional explorer



Registered: 12/22/16
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Loc: In the Mystic
Last seen: 8 months, 7 days
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Re: Flow Hood Design Questions [Re: mushpunx]
#24176833 - 03/20/17 05:52 AM (7 years, 3 months ago) |
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Can't wait to see the first I shed hood!!!
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c10h12n2o
serial dilutor



Registered: 01/21/15
Posts: 3,200
Loc: the abyss
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Re: Flow Hood Design Questions [Re: CapnZ]
#24179406 - 03/21/17 02:50 AM (7 years, 3 months ago) |
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ITS DONE!! im so fuckin stoked!!!! damn thing ended up taking a lot longer than i anticipated, lots of small adjustments, lots of minor details, pins that had to line up exactly within the 64th of an inch, etc....
i will post pics tomorrow, and do some test plates so excited to have a decent flow hood
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  C10's Agar Guide + Tips and Tricks | c10's Flow Hood Build Guide "Partial knowledge is more triumphant than complete knowledge; it takes things to be simpler than they are, and so makes its theory more popular and convincing." "Convictions are more dangerous enemies of truth than lies" ― Friedrich Nietzsche
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bodhisatta 
Smurf real estate agent


Registered: 04/30/13
Posts: 61,893
Loc: Milky way
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Re: Flow Hood Design Questions [Re: c10h12n2o]
#24179755 - 03/21/17 08:38 AM (7 years, 3 months ago) |
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mushpunx
Fungus Punk


Registered: 04/20/14
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Re: Flow Hood Design Questions [Re: bodhisatta]
#24179979 - 03/21/17 10:27 AM (7 years, 3 months ago) |
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I'm really excited to see this!
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 Amateur Mycologists United AMU Q&A
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TheMadHatter420
Trusted Farmer


Registered: 10/12/16
Posts: 12,942
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Re: Flow Hood Design Questions [Re: mushpunx]
#24180511 - 03/21/17 01:57 PM (7 years, 3 months ago) |
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I can't wait to see it!
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