Somebody’s mommy never told somebody to not play with fire… mommies are never right about such things…
Pretty cool! 8)
for a second I thought it was related to *****fire, but good thing its better than that ;)
nice!
That was beautiful 
I wish i could recreate that, but we don’t have those big square box fans for cheap or at all in Sweden.
I wanted one ones to build a cheap air cleaner, just add a hepa filter & a less fine dust filter on top of that & you have an ultra cheap effective air cleaner
Beautiful dancing.
Shine one of your 1000+ lumens flashlights on the output side of a cheap HEPA filter and you might change your mind.
No thats where you are wrong i have done that & i did that just now on my Electrolux Z9124 and i can see maybe 1 every second & that is from the air thats coming from outside the room that haven’t been filtered yet & got caught in the turbulence. If i do the same some meters away i can see no particles even with my X6 triple.
The trick to up the performance & save a lot of money is to use cheap dust filters in front of the hepa + an cheap fitted pleated filter in front of that, like this.
HEPA>pleated filter>dustfilter with an home made refillable carbon pellets filter inbuilt & then lute every air gap as well as you possible can so no air slips by the filters.
With this setup the HEPA never gets full so you never have to replace it just vacuum the outer filter a couple times a month & change the carbon pellets when they stop working.
I am just as interested at optimizing my air quality as i am about optimizing my flashlights 
and this kind of setup is as close to a true certified HEPA system you can come on the cheap, without having to spend IQAir money for a actual certified HEPA system.
Next upgrade is an custom home made carbon/chem filter instead of the carbon stage with a pellets called Strix 3 that is a combined carbon & chem filter in one pellets.
Set up a circle of baffles angled tangent to the fire pit so the incoming air is directed into a circular motion — it will amplify itself as the hot air rises out of the center
That’s why I said “cheap HEPA”. Yes, there is such a thing around. There are the expensive ones that actually do a decent job, then there are cheap ones that I wonder how they got to call themselves HEPA. You said you wanted a cheap air purifier. I guess it’s all relative. I wouldn’t call your set-up cheap, but maybe it is cheap compared to a “real” HEPA air purifier system. Still, you can make it cheaper and maybe even more effective at the same time: use water as your filter medium.
Yes you right that most cheap HEPA filters & so called HEPA air cleaners are pure crap but it is better than nothing in most cases.
The problem is the industry is counting on that the customer don’t know the difference, between a HEPA filter & an certified HEPA filter system & most think it is last they are buying, when actually they only are getting an HEPA filter that lets much air around the filter to get a higher airflow rating.
For example you can get a Winx made Electrolux air cleaner second hand for about $100 if a new HEPA is needed it is about $50 and with the setup i described they last almost forever. As long as you fix all the air leak around the HEPA & the pleated filter you will get great performance for under $200, and the only certified HEPA system air cleaner i know of, the IQAir cost about 4 times as much.
It maybe not be really cheap but it performs at a level, where it really make a differences to my health & that is really priceless
And i love the fact that these air cleaners sells as a loss leader and they count on that i will buying new filters annually, but with my upgrades i get so much better filter life & performance they probably will never see a nickel from me again 
I am curious how you would design a water air cleaner? Can you give me any more details.
If I were smart, I’d design it just like this.
Epic movie!
Really awesome to watch.
If only I had the space and materials to recreate that :weary:
very cool vid, the background music and the fire was kinda hypnotic
ikea sells an air cleaner similar to that (don’t know if the filter is HEPA)… and being swedish, you must support them
‘oogle and do an image search and you can find desktop-sized ’tornado’ and ‘fire tornado’ devices.
I’d bet the thing called a “tornado vent” used on roofs — with its top plate removed set over a can of Sterno, or just mounted upside down with the fuel can inside the thing — would be good enough to make the incoming air swirl. Got to watch for one at the salvage store and try that sometime.
Sorry that ikea air purifier is absolute rubbish unfortunately, it as you suspected don’t even have a HEPA filter in it.
Is is basically just what a a proper air purifier would use as the fist “dust” stage to collect the largest particles before the finer filters come so they don’t get blocked.
The problem with this is, most of the particles you want removed are much much smaller, so in effect you are just blow it around in stead of letting it settle, they guys who designed this have absolutely no idea what they are doing.
I said before that often any air purification is better than non, but in this case i would say it is not.