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Laminar Flow Cabinet Build


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#21 pr0wlunwoof

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Posted 21 November 2021 - 03:12 PM

Wood working is like most things. If you have the right setup and the right tools its a whole different experience.

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#22 pr0wlunwoof

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Posted 22 November 2021 - 11:19 AM

Got first coat of polyurethane on it. Will do at least 1 more prolly 2.6e96f6edc15399643a713f8e1525be2d.jpg1f20188e686e40f6db354fb31d98c049.jpgbd4cb8c259674f6bb06ac911ec2178b2.jpg

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#23 pr0wlunwoof

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Posted 26 November 2021 - 12:53 PM

Well Turkey Day has come and gone. Here was my trade for the cabinetry work.

24 Hour Brine and a 4 hour smoke at 300f using pecan wood on the custom built gravity feed smoker. 662f52e622265a5453b5e86308cf49da.jpg

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#24 pr0wlunwoof

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Posted 26 November 2021 - 12:58 PM

Now back work on the cabinet. Finished the polyurethane and just put silicone calk on all the corners to seal it all up. All thats left are gaskets and electrical. Might actually get it done this weekend.

If anyone uses the motor I am you will need this switch to operate it at the two different speeds. It was not easy to figure out and all my electrical buddies were about useless. It added $15 to the build, but i think it will prove useful to have both speeds available.

Air Vent 58030 2SPD Wall Switch, 1-(Pack), White https://www.amazon.c...ding=UTF8&psc=1794da5be16109e79699738c63b7852f1.jpg32894b70901914ab36a1f890273b101d.jpg

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#25 pr0wlunwoof

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Posted 27 November 2021 - 10:59 AM

Got the wiring figured out. Siliconed the wire pass thru and then gotta make my permanent cord.

https://drive.google...ew?usp=drivesdkfc8cb03595989152e5d5203cdfd2b192.jpg

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#26 Myc

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Posted 27 November 2021 - 11:08 AM

Nice find on the specialized switch - DPST.

I was going to advise you to go the down and dirty route using two switches. Feed a single-pole switch with power. Run the switch leg from the single-pole to the "common" terminal of a 3-way switch. The remaining poles of the 3-way switch would be wired to your fan speeds - high and low.

Your find was much more elegant and didn't cost much more than what I am suggesting.

 

You are going to be so happy with your new tool. 

I sometimes use mine for food packaging. You can buy bulk and break it down into smaller amounts. If done in the clean airstream (carefully) your food parcels will last longer.


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#27 pr0wlunwoof

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Posted 27 November 2021 - 11:17 AM

I have high hopes for it. Its taken allot of effort to this point. When I get it finished Im gonna have to make a custom cover for it. My garage is the only space I have to work and it gets dusty fast.

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#28 pr0wlunwoof

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Posted 27 November 2021 - 12:44 PM

Aight its done. Seems to be working as designed. Will maybe get to play with it tomorrow.a9255c66e6cb9b38f5e2fd55870e2e90.jpgeba271a522af9ad917bffc5add942c13.jpg

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#29 pr0wlunwoof

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Posted Yesterday, 11:44 AM

So we are almost ready to give it our first try. Gonna do some Liquid Culture syringes to Liquid Culture 300ml jars to expand my supply. Did a 4% sugar solution with .7 grams of peptone per jar. After the LC transfer I am going to try some Agar to Agar and then Agar to LC jar as well. One will be my Reishi clone I found several weeks back and the other will be a pearl oyster clone I did from my first grow kit. I put a magnetic stirrer in each jar and used injectable tops with micro filter pads covered with a tin foil topper.

This is a bigger test of the flow hood than I should probably try, but if it dont work then I gotta rethink the entire setup. Also I am out of time till probably the week of christmas... So here we go!c1cd1f87416f40faf45559445bbd88ff.jpg

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Edited by pr0wlunwoof, Yesterday, 11:45 AM.

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#30 Myc

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Posted Yesterday, 12:13 PM

You'll want to work fairly close to the filter space.

The run-out on that long table will begin to present eddies in the air currents.

Curious to see how your test turn out. I'm sure you're using a bunsen burner flame to test for even-ness of the laminar airstream.



#31 pr0wlunwoof

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Posted Yesterday, 01:36 PM

You'll want to work fairly close to the filter space.
The run-out on that long table will begin to present eddies in the air currents.
Curious to see how your test turn out. I'm sure you're using a bunsen burner flame to test for even-ness of the laminar airstream.

Well i used a grill lighter and it appears even. I do have an oil lamp let me try that.

Here it is. Not a great video, but the stream seems laminar to me.




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http://cloud.tapatal...1128_134128.mp4

Edited by pr0wlunwoof, Yesterday, 01:51 PM.


#32 Myc

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Posted Yesterday, 02:01 PM

Looks like the flame stayed bent pretty evenly in all positions. Although the top part was out of frame when you were testing that section.

 

To be clear, I'm not a scientist nor do I have any formal lab training. I guess you could say I hacked my way into microbiology through the back door rather than taking classes. That said, I expect that your build will give you countless hours of reliable service.

 

Keep track of pre-filter maintenance and it should last you a lifetime. 



#33 pr0wlunwoof

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Posted Yesterday, 03:36 PM

Yeah. I felt more and more confident as I used it. Need to work on my movements for sure but I feel it went well. I turned the cabinet on high for half an hour and then setup and and switched it to low and worked one jar at a time dissinfecting between jars. Then i gave everything a good spin and put it up to grow. Fingers crossed but I think it should be good.9461de02d90dc68cd3761732aba33f03.jpg82eb9fe0b0377f8ccec249854217e956.jpg

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Edited by pr0wlunwoof, Yesterday, 07:52 PM.





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