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Trying to build a crude mini Fog/Smoke Machine
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- Опубликовано: 17 авг 2024
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In this Halloween episode I will ditch the idea of an ultrasonic mist maker and instead focus on more common fog/smoke machines. I will show you how they use "fog juice" in order to create smoke and at the end I will come up with my own crude mini fog/smoke machine design that did actually work. Let's get started!
Thanks to JLCPCB for sponsoring this video
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Music:
2011 Lookalike by Bartlebeats
Killing Time, Kevin MacLeod
(incompetech.com)
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Everything is a smoke machine, if you operate it wrong enough.
Haha true
lmao
that is the magic smoke that is required for every piece of electronics to work.
Samsung found this comment offensive!
Not only that but also some really scary smell which we're all too familiar with.
A video on how to make smoke machine? Pfft, I'm an expert at this. I turned a lot of my electronic projects into smoke machine.
Haha
No kidding. Me too.
I'm vaping while watching the making of a fog machine... hmmmm nice.
onetime I forgot my meat on the kitchen stove, my whole kitchen turned into a smoke machine...
So long story short: you\ve made a giant electronic cigarette?
(Just kidding)
Kind of
@@greatscottlab that was my first thought
Swap out the fog juice with liquid and you have fog juice with a nice smell
If You fill it up with vape juice yes
By coincidence KaumiCosplay's video yesterday was on how to turn a vaping device into a small portable fog machine.
The "see you next time" was extra enthusiastic in this video
It's been getting slowly more enthusiastic all this time...
He's a frustrated game show host.
That was after all the smoke inhalation
@@JaydenLawson I hope it did not happen as a side effect of breathing the smoke juice while experimenting
Indeed, this time is different XD
I've noticed something! First you built a lighting system for your "man cave", now you're building a fog machine... *YOU'RE CREATING A NIGHT CLUB*
And ," your breasts are showing".
Just waiting for a servebot
One very inportant note: glycerine based fog juice sould never be heated to a temperature higher than 200°C because at this temperature glycerine can break down into acrolein which is carcinogenic!
The Boiling temperature of fog juice still is around 100°C because it's mostly water.
Really? Well it makes sense... Also it should be a little above 100 due to boiling point increase
@@Adio_ There are more than one chemicals containing the word "glycol". the glycol referred to in this video is short for propylene glycol
NicLikesCake Probably not, propylene glycol is a food additive too.
Adio_ ethylene glycol is highly toxic for your kidneys.
@@tomf3150 propylene glycol is used in portable vaporizers, so I assume they use it in "fog juice" too
Congrats on making the biggest vape pen.
😂
LOL
and as we know from American Propaganda Media Machine, millions of people will die.
@@colepdx187 the whole vape propaganda in the media is BS..my belief is that putting anything in your lungs other than oxygen can't be good...and a tad bit of weed.lol..have a great day cheeeers.. LOL
I poured 40ml of 70/30 vape juice to my electric stove, made my room a hotbox in under 15 minutes
I think you can use a thicker gauge coil, just like in vaping coils, make it a lot smaller, and more effective, with a direct airflow to the coil, and exhaust port could use a nice trumpet with a flare for increased airflow as well, or eliminate it all together.
yeah using horizontal coil and dipping both enda in liquid works much better plus using kanthal removes dangerous fume situation
You're right, its all about that surface area. Flatwire or even a clapton would have produced more vapour.
I'll have to say: you are a mind-reading-genius!!
This is like the 5th or so time I was thinking about building something and about one week later, you upload a video!
Thank you very much!
I knew it ;-) Thanks for watching
I like these kinds of videos. It’s a practical, cheaper, and more creative solution. Also, your PCB sponsorships are really good. Great vid!
Thanks :-)
foq machine, fuq juice
Luka Novak ( ͡° ͜ʖ ͡°)
Glad I'm not the only one who hear it that way.
"sucking up the fuq juice"
Whenever I start to lose my interest in electronics *Great Scott* comes up with an interesting video.
Thank you very much :-)
I second that.. his videos motivate me to continue my studies in electronics engineering 😁😁
apart from the ingenious clips that GreatScott produces, electronics as a subject will never ever be boring (-:
Thats why I'm now watching all his videos one by one and learning them...
We made fog machine when I was a schoolboy. It was very crude but was working like commercial models, made huge smoke. You had to heat a copper pipe with a submerge water boiler and you needed a persitaltic pump with a battery and a push button. Push button turned on a relay to heat the pipe and pumping started. 12V PC fan on the front and the party was set. We made the liquid as well as we were cheap. We got glycerine and we watered it up and added food aromas.
Oh! FOG juice! Okay. Was hearing something entirely different.
Practically it is a vape:
The vape uses nicrome wire (mostly, you can use Kanthal too) to heat the "vape juice" (wich is composed of Vegetal glycerin, Aroma and Propylene Glycol). In vapes they usually use cotton for the wick, because it's cheap and it is easy to replace (to slip through the coil).
You can use a vape as a fog machine too (they are not expensive and most of them include protection circuit for overheating/short circuit), or you can use the "brain" of a vape to operate the fog machine.
I did similar years ago to make an automotive evap system tester- Diesel glow plug wrapped in steel wool soaked in glycerine/glycol or whatever I had around. Put this in a small paint can. Run with a simple relay and worked pretty great. Great vid. Cheers!
he should meet electroboom if he wanna know about main voltage
You should consider using vegetable glycerin with cotton and vape devices resistor wire instead it will work like a charm. Vape devices are made for that anyways. and it's just cotton, wire and a buck boost coverter to set the wattage.
Use kanthal mesh and cotton wick to improve your design.
I think, you could have used a glass-fiber wick, sumerged in 80% glycerine-solution. And if you put aroud a thick Kanthal wire, it should give off approx. 100W of heating power, inorder to produce a thick fog. You could still use ur Design, but it would produce an appropriate amount of fog for a pumpkin. I beleve, that this would work, because I tried out a similar design.
Good Video as always, keep it up! ^-^
The principles you've demonstrated line up exactly with how the entire vaping industry produces its electronics. The goal in the vaping industry is to hit a temperature between 350 and 420 degrees F to vaporize a mixture of Propylene Glycol and Vegetable Glycerine, but the water mixed with Glycol (fog juice) also obviously produces a reasonably thick cloud of fog.
If you or anyone else does this again I'd recommend purchasing a very inexpensive commercial "RDA" from the vaping world, some Kanthal wire, and some cotton wick with pure Vegetable Glycerine as the "fog juice" element. Run it at 10 Watts of power with the Kanthal wire measuring at least 1.0ohm and you'll have yourself a fog machine that can run for hours.
Few years ago I made mini smoke machine made of little ceramic pipe from broken iron (wire isolator in heating element) used as smoke machine core,heater made with hair dryer wire placed in ceramic pipe,and copper capillary from old fridge compressor wrapped around ceramic pipe and soldered one end to little brass container for smoke liquid,all connected ac transformer from old hifi and was working pretty good but didn't give a lot of smoke
Most of them use glycerine “smoke” like is used in e-cigarettes or “vapes”. You could make one very easily from a vape pen.
You can just buy pure vegetable glycerine from any pharmacy.
Yep, 100% vg
Can you get vape juice for $15/liter? You can get propylene glycol for that and glycerol is even cheaper. That then gets diluted.
The best fog machine is my classmate, Mark
LoL.
Are you lovers?
@@oscargr_ nah, he's just a cool guy to hang with
This is one of the few GreatScott episodes where i would be able to give you advice :D
Grab some 0.5mm NiCr wire, take 2 strands and twist them with a drill to create an even thicker wire with more surface area and ditch the wick and get some pure cotton, make a big coil and fill it with the cotton so that some cotton sticks out at both ends, lay it flat into the "tank" so that both cotton ends can pull up juice.
Yeah essentially like a big RDA, now current, with such wire and say 10 turns around a m6 bolt, you would need around around 150-300 watts power, depending on if you want short bursts of dense fog, or a constant stream of normal fog.
Thanks for the information :-)
"Watch this German guy try to build a vape from scratch."
A neat little application for MOSFETs. I more enjoyed the application of electronics than anything else :) Thanks for sharing.
1:53 no man, you are amazing! :)
Welcome an the episode of building a vape with GreatScott!
And I am your host.
I work I’m the entertainment industry so I have first hand experience servicing and repairing fog machines, the hot liquid actually goes through a little box or cylinder filled with filament and at the nozzle it shrinks down to create a pressure inside to vaporise faster
I got one for you if you have not done it already. How can you make one of those servo testers from scratch? with manual mode, sweep, and maybe toggle between 2 positions. With no Arduino.
*"Propane Lamp Wick."*
The name of my new punk band.
Seems like fog/smoke is gonna be your haloween tradition
you can avoid toxic fume by also adding additional pump for feeding droplets of liquid from the top of thread so it won't get dry on top
Good idea
I made something like this a year or two ago. Mine was about 10x4x6 cm, remote controlled and powered by a lipo battery pumping out 50 watts or so. It was a lot of fun to see my friends freak out when I put it in their school bags and fog started to come out. I don't think it will generate the toxic fumes, the juice would need to get a lot hotter but can't since it leaves before it gets the chance but you probably came to the same conclusion. I did get some of the burn marks but only after powering it for quite long but it's definately not a perfect way to heat the juice.
Wow a project I've actually done myself...I used the pump/ heater from my wife's old steam press when the hinge at the back broke....she got a new steam press I got a 'smoke' machine for my rave cave ..aka workshop...it worked really really well till I tried to mix my own smoke liquid which killed the pump 😢.... you've got me thinking about making another one....rave for Xmas anyone..
Drinking Game.
Everytime he says Fog juice, take a drink.
Plastered in 9 minutes or less. 😊
I'm so happy i found this channel. Now i have something to watch while in lockdown. Any similar channel recommendations would be appreciated
First of all well done :) Second, I might be wrong, but I would put the nichrome coil in a copper tube (not touching obviously, the copper tube is just to resist the high heat from the coil). Then I would add the Ultrasonic Mist Maker to one end of the tube. This will make the Fog Juice as mist, giving it a better chance of contact with the coil and as a result, making more smoke. Now, this might not work at all, its just an idea :) Thank you
I love this channel. Even though this stuff is way over my head I feel like I'm slowly getting smarter
what a flawless 3d printer
I suggest to use a vape liquid base (glycol or glycerin) and a more powerful heating element, then there will be a lot of smoke.
Glycerin for a thicher smoke, glycol for aroma/smell (if you add that too) and atibacterial effect.
Hi, ich hab heute in meiner Ausbildung zum ersten Mal eine kleine Schaltung auf so einer Lochraster Platine zusammengelötet. :D Ist ein kleiner Transistoren-Prüfer.
Durch dich bin ich erst so richtig zum Elektroniker Beruf gekommen :) Danke dir. Mach weiter so
Small model steam trains used to have a light bulb under the chimney, so you drop a few drops of oil in the chimney and it would make smoke like a real steam train.
fog juice, best name ever
4:53 this happens due to the "Leidenfrost effect" ...
Mostly just gravity though.
You reinvented e-cigar on this episode
It's basically a DIY e-cigarette. The tech is almost identical.
it IS identical
This is basically how vape atomizers work. You could get much better smoke production with a looser wick (cotton) that's submerged in the liquid at both sides, as well as thicker wire for the heating element.
What engineering he did. Simply awesome
6:35 smoke ring ^^
I have in my junk parts box an old coffee maker heating element. Stainless steel disc that contains a heating element and a s.s. tube that runs through it and served two purposes. Firstly heats the water for coffee to near boiling by running it through the tube, then continues to heat the coffee pot that sits on the disc to keep it warm after the coffee is made. Never made a fog machine with it because it doesn’t get hot enough for the fog juice and the main reason was Walmart sold fog machines so cheap I just bought two of them and they worked great. But I kept the part, you never know what it wants to become when it grows up! ... I know, it’s a sickness. 🎃
Great idea for halloween and Christmas 👌👍
@4:02 -- "To answer that question, I firstly spent 29 hours and $87 in plastic filament to 3D print a small container I could have just grabbed from my kitchen."
You can build this circuit with comparators and 555 timer ics instead of arduino
Comparator act as the signal for the low level of the fluid and 555 timer ics are used to generate PWM signal for fan and wire
That's basically how a Vape works (RDA) with the difference that the vape juice is mainly composed of glycerine and propylene glicol
its funny tho that glycerine and glycol (not talking about propylene glyocol) are the same substance, just different ways of calling it.
@@Ramog1000 Nope. Glycerine == Glycerol. Glycol is just shortening of ethylene glycol or propylene glycol.
Thanks! I was trying to make a mini fog machine to use with some 1 to 144 scale rockets i have in my shelf to make then "vent" like the real ones, i stopped working on it after a long time doing prototypes and never getting the results I wanted. Now I'll go back to the project to make it work!
Everytime you say fog juice, I giggle enough to make my ear phones fall off.
Just made an evap smoke machine the other day with basically the same principle. Instead of “fog juice” I used mineral oil which I would not recommend because it stinks. You can also use baby oil though.
This is without a doubt as close to perfection as it can get. Nicely done!
Thank you :-)
Automatic subtitles intentionally skip a word every time you say "FOG" I wonder why :D I hope your video won't get demonetized. :D
Probably, because of the accent, AI assumes that he's swearing and skips it.
Nice experiment for halloween🦇
I probably would have used a cheap vape device and vegetable glycol (VG for short - available in your friendly neighborhood vape store by the gallon). Fog juice is not really toxic to be fair. It's mostly propylene glycol and water - also used in vaping products. Vegetable glycol for this would be my preference because it produces thick clouds of smoke. Anyhow - can't complain, the videos you make are always great and a joy to watch!
A very easy way of making your own smoke mashene is to mut some wool under the hot wires of a hair dryer and putting fog juce on it. This is even more effektive than comercial fog mashenes
Small note: the fog machine pump is only a pump. it forces the oil into a separate heater block. Which usually consists of a solid block of metal with a spiral inside. So good thing you didn't buy it since you would only have half the fog machine :p
7:27 it's always funny when JCLPBC is sponsoring this video but he makes his own xd
Very nice project 👍
one batery a water pump electric tiguarete and some wires and a switch...= very interesting and good fog machine
As someone in the comments already pointed out:
There are different kinds of Fog Juice.
They depend on the mixture of propylene glycol to water.
A couple of years back, glycerine was used instead of propylene glycol.
Glycerine starts to decompose at temperatures over 200°C which is the reason professional smoke machines have a temperature switch on their heating block, wich limits the temperature to 180°C.
Propylene glycol starts to decompose at way higher temnperaturs and isn't as carcenogenic as decomposed glycerine.
Since you're already using a arduino, it would be rather easy to track the resistance of the wire and shut of the electricity, when the wire gets to hot.
cool! another option would be to use a commercial vape heater chamber and build a fan and controller to drip liquid on it :)
You know, I'm sad I didn't find this video 2 years ago.
Fog machines operate on the same principle as vapes. You can alter the distribution of heat and make the vapor output more efficient by building more complex shaped coils, also using multiple layers of NiChrome, stainless steel, or kanthal. You can mix and match, too, to achieve your desired resistance to achieve the output you want. I think I might make one of these and upload a video, if you're interested
Very good 👍
Just run the fog juice through a tube which is heated by the nichrome wire to very high temperature. Have the tube diameter and the length be as small as possible to maximize the contact area between the fog juice and the tube. Then just use use a pump to pump the juice through the tube.
Try using ultrasonic mist generator to generate fine mist with the liquid and pass the mist through coils of wire, that would definitely generate more smoke.
You're the reason I use JLCPCB
I think that you should make some sort of a high power heated thick walled chamber with temperature control where you need to spray that fog juice.
Hey, indeed spooky! but nice would be an upgrade forgot rings! Just replace the fan with a piece of rubber and an bumping mechanism to create fogrings! Otherwise you need to augment your avaporation surface, may through vaporising droplets of your precious juice to create thicker smoke! Have fun
Nice soldering Ai-ron you have there!
That wire dipping actually had a lot of promise, if you could somehow follow the water line- just a rotating half-submerged coil. Rotate it faster or slower depending on the voltage supplied to the wire and you can produce as much fog as you want.
Alternately, instead of needing to follow the water line, use a large rotating coil with a diameter 1.5x the maximum depth of the fog juice container, and speed up its rotation as the fluid level decreases
My idea for this same project would be to use your nichrome spring inside a small tube with a small diameter. Then make a cone type enclosure that uses a fan to create a low pressure at the top of the small tube, forcing little spatter of fog juice to be pulled through and vaporize eventually being blown out though the fan This would allow you ditch the wick and be able to pump more heat into a larger surface area to vaporize the fog juice
Vapers have been creating far more fog for years. 12 to 40 watts is normally considered optimal (12 watts is fairly light, 40 might lightly fog a small room in a few minutes. Much higher wattages produce much more fog but I don't think you want anything too over the top.
Your main problems:
You need a better wicking material. The wick won't burn if it can stay wet enough. Try silica wick as used in commercial fog generators. Organic cotton and rayon fibers would also work. The wick needs to be loose fibers and it's important the fibers are linear in the direction of wicking, though Rayon is most forgiving in this regard.
That airflow is terrible. You'll get much better results if airflow is directly over the coil and at higher velocity. The trick is to get the right balance of heat into the coil and the wick and the cooling effect of wicking and most importantly the air flow.
You don't actually vaporise off the wire so much. It works by heating the liquid in the wick and you'll hear a light sizzling or crackling when it's working right. This is one reason that airflow is so important - it balances the heat in the wick and the wire. Your 32AWG wire is way too thin to heat a wick of that size, that's why there's so little vapour. You can twist two or three strands together to make it thicker, but I'd suggest changing to 22AWG and even wrapping two strands of that . Complex wires like this can indeed vapourise off the wire, because the liquid will wick between the wire as well. Also from this, you can see your wire wraps are way too far apart - you need to heat the liquid in the wick.
PWM is the correct approach for controlling the power, however if you know how many watts is optimal you can achieve this by adjusting the coil length or the voltage, and of course the amount of air flow.
The ONLY ways to make any toxic gases with this setup is if you burn the wick or add something inappropriate to the tank (eg insecticide)
What I'd suggest:
Thicker, longer wire coil.
Put the coil wraps much closer together.
Rayon wick material. You can buy it from cosmetic suppliers as for organic cotton. The boxes of long "rope" that look like a square tissue box would be ideal. You'd probably need to go to a specialist industrial supplier to get silica wick or rope, but it is used as non sacrificial wicking material and as insulation.
Make a chamber to house the wick and guide the air over it in a more laminar and concentrated stream. PLA would not be suitable because of the heat. Try ABS, or make it out of sheet steel or something.
Thumbs up though, and top marks for including the fluid level sensor. I've been thinking about making this project for a while.
As a vape I recommend you to use pure cotton inside the spring shape nichrome wire. It has much better liquid transportation than this rope, and also get way more satuared with the liquid, thus cools the wire down to the vaporising temperature of the liquid.
To upgrade it you can use a wire with a temperature coefficient and use the voltage / current to calculated it's temperature -> no more burnmarks.
All this works waaaay better if you have a airflow pushing away the newly created vapor to make room for more juice to evaporade.
Try making some Vape type coils with tight loops touching the one b4. There r vids everywhere. But this is still awesome. I Love these videos
Taking "It released the magic smoke" to a new level.
The fog is not thick enough. Its really neat though and could be improved on and made more awesome. Great idea.
Basically you just made a big vape. Neat. If you read into making your own coils for vapes, you would be able to create a pretty huge amount of "fog".
Ty..for taking your time and showing us the imagination of electronics.. Love your channel and especially all the projects..much appreciated..
Haloweeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeen you tell haloween like this.😂
Great
Scott!
See u next time
Brilliant!! Your channel is an inspiration to keep us studying and making fun things!
You shouldve used kanthal wire, around 21awg and 5-7 turns. Cotton wick and vegetable glycerine
The best youtuber for electronics!!!
you are one of the future mined person
Drinking Game Idea. Every time fog juice is mentioned take a shot.
Making the coil smaller but turned into itself you can create a thicker fog, research Clapton coils, a 0.3 ohm wire hooked to a 2v high amperage supply and a 3mm diameter cotton wick would be enough
You can use vegetable glycerin which is not toxic at all and also boils in lower temperature.
People who smoke electronic cigarette can use it also!
Bin that fog juice, use pure vegetable glycerin instead. that will give you much more fog. if the glycerin should be to thick, you can mix it with propylene glycol in order to get it somewhat thinner. 70/30 VG/PG ratio should work just fine.
Mate you should have based your design on a ecig atomizer, the cloud chasing ones. Small chamber, thicker wire, shorter coil, thinner wick (a silica wick, 4/5mm diam, would have been perfect), and a “forced air” system.
Basically how the fog pumps work I guess
You could use the nichrome wire to heat a bigger surface, like a plate or pipe and use a peristaltic pump to drip vape juice over it. And since you're using an arduino anyway you could add a temperature sensor for overheat protection.
Great I enjoyed the idea