[sdiy] Fume extraction

[grant musictechnologiesgroup.com]

I'm also using just a USB fan to lightly blow the smoke horizontally out 
of my face. Curiously I got an email from Kickstarter today with a 
possible replacement idea:

https://www.kickstarter.com/projects/theairhood/airhoodtm

AirHood | The Portable Range Hood
Remove grease, smoke, cooking odors, & oil residue from forming.

GB


------ Original Message ------
From: "Steve via Synth-diy" <synth-diy at synth-diy.org>
To: "synth-diy at synth-diy.org" <synth-diy at synth-diy.org>
Sent: 5/19/2022 10:03:57 AM
Subject: Re: [sdiy] Fume extraction

>
>Todd Sines:
>>  Speaking of fume extraction, my DIY production and Mr. Fixit repairs have been in high gear over the last few years.
>>  Not daily, but sometimes it’s all I do for a few days, 8-10 hours a day. I do not want occupational asthma, which I am sure I have been somewhat exposed to.
>>
>>  What are your suggestions, aside from my current, which is an inverted CPU fan on adjustable “helper hands”, with a scouring pad to catch all of the “bad stuff”?
>>  It became too much to wear a paint respirator mask all the time. But I hope I don’t regret this.
>
>I remember being demo'ed a cheap-ish build of something resembling a
>commercial fum extractor of this form:
>
>- box of plywood of adequate size.
>- angled back wall with two PC case fans in them or similar, pushing air
>outwards
>- and a layer of .. active coal or what's it called, as a filter
>- on the top of the box is an anti-static mat, somwhow fixed to it
>- in the whole top plate of the box, incl the mat, two slits, one near
>the back, one near the front of the top, of ~ 2cm (?) width, each going
>from left to right end, had been milled
>- the PCB to be soldered would be put in the middle, between those slits
>- the fans, causing suction close to those slits,  would suck the fumes away
>- there was a speed control box moutned on the side of the box, with a
>potentiometer to adjust fan speed i.e. degree of suction
>
>This worked nicely.
>
>Hah, whaddayaknow, I found photos of it:
>https://postimg.cc/2qDk3vYG
>https://postimg.cc/Hr5Wpzqj
>https://postimg.cc/kVvnS4Xm
>fan specs:
>https://postimg.cc/kBLX3zhk
>
>I don't have info on the speed controller.
>But I'm pretty sure this is cheaper than a comparable commercial product.
>
>- Steve
>
>
>_______________________________________________
>Synth-diy mailing list
>Synth-diy at synth-diy.org
>http://synth-diy.org/mailman/listinfo/synth-diy
>Selling or trading? Use marketplace at synth-diy.org