This RGB Fan is LARGER than your PC (and I broke it...)
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- เผยแพร่เมื่อ 19 พ.ค. 2024
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If your gearbox melted down... maybe you need to cool it somehow? You could build a fan for that! 💖
next step: adding a bleed-air valve for gearbox cooling
Ive seen tests with some printed gears, for longevity you at least have to apply grease to them.
@@FireN2k9 r/wooosh
Cast metal.
Hahaha. A tiny fan, inside the huge fan, to cool the fan components. Love it!! 😂
i don't know if i'm supposed to be impressed or horrified with the fact that a propeller that unbalanced didn't blow up with full send
It's only because the gearbox failed first, lol
It's okay. Angus was wearing safety glasses.
Right he could have added little weights where needed to balance it ;_;
Horrifically impressed, split the difference!
Why is it unbalanced? I use a centrifuge that hits 13,000 rpm at work. People freak out when they see me put 3 samples in it to spin. But you just need to ensure the mass is evenly distributed around the axis of rotation. So no problems. I just do that with 3 samples.
Say the fan radius is 45cm and running at 3000 rpm, then its pulling geforces of about 4500g. At that many g, it'd blow itself apart if it wasn't balanced.
*Deadly spinning RGB fan*
My brain : Do it, put your hand in there
This was bloody amazing! Cheers for the shoutout to Major Hardware and the fan showdown; I would love to see him test this one in his wind tunnel. That was quite an impressive build that really shows off just how much you can do with 3D printed parts.
Everyone knows RGB adds +2 proficiency to Dexterity checks, lol. Love the build! - Perry
It is known
Excuse me, you mean +2 bonus to Dexterity (gaming) checks.
What a fun project! Taking out the chips was hilarious!
I think the chips won that one! 😂
?
Oh hot chips too hot to handle
@@MakersMuseI'm not British (or Australian i guess) but I can confirm that, over here, french fries are not "chips", the word "chips" refers to something thin and flat that you can eat
@@RowanBird779 In New Zealand we call "something thin and flat that you can eat" a pancake and we call a fried, thin and curved piece of potato chips.
So awesome! Well done! I'm honestly surprised the 3D printed gearbox lasted as long as it did given the torque on that beastmode motor you put on there.
This is great! You know that after referencing the Major Hardware fan showdown, you have to make a some of the cool and really well performing designs for this monster.
I build and fly quadcopters, but they only run 5" props and I'm terrified to be anywhere near the thing at half throttle with props on. That beast of yours had me clinching the whole time you were sitting in front of it o.O!
Once built a quad with 15'' carbon props, those were absolutely terrifying. A friend of mine almost lost a finger to his 17'' quad. Luckily it wasn't spinning at full speed but the prop still cut down to the bone and damaged some nerves. Always take the props off when you are working near them!
Tell me about it I was cringing ready to dive for cover and it’s only a video!
I agree That was very dangerous
Better to be sitting in front of it than somewhere along the plane of the blades.
@@gonun69 Unless you're working on the motor systems themselves, you should also disconnect the motors from power.
If you want fast bearings without them being so quick to die once you remove all the grease, use a couple of drops of gear oil on them instead of WD40.
Yeah WD40 is "Water Displacer 40"
It wasn't designed to be a lubricant.
there are air bearings, just sayin'
@@TauCu Sometimes when it dries it can even recrystallize some of the crud it picked up and create a pretty damn sticky surface. I used it to both loosen and re-secure the rubber grips on my bike handles.
At those speeds, a lighter motor oil would also do well.
Or just use the correct type and amount of grease, people mistakenly think friction at low lows and low speed indicates high load and high speed friction. But it just doesn't work like that low loads result in the balls skidding. Often machines with low startup loads will have some preload on the bearings to eliminate this.
In any case most of his friction was from choosing rubber contact seals rather than steel shielded bearings, and the excess grease will get pushed to the sides during break-in leaving a clear lightly lubed channel with self oiling reserves that also act as dust seals[on a shielded bearing]. Also those were the wrong type of bearing, a fan produces an axial thrust load and only trivial radial loads.
All said so others can at least consider these factors in future projects, if any longevity is wanted.
@@dustinbrueggemann1875 I've heard hair spray is good for putting on bike grips.
I would've used the guts of an ordinary box fan and just essentially created a more fun case around that motor and control system. And with that hub design of yours, you could experiment with fan blade designs and get way more performance out of an off the shelf box fan then they come with, I bet. Could be a pretty fun alternate fan showdown lol
AWESOME PC fan, Angus! Regarding Microcenter, I live in the Atlanta metro area and have two locations within an hour of me. I always feel bad for folks when I hear that they aren't near one, or anything like it. Sure, online stores are great, but there's just something about walking around a place like that. It's a blessing and a curse, of course. Like the home improvement stores... I can't tell you how many times I've gone in for one little thing, and left with a much fuller cart and lighter wallet than I'd initially intended. :)
This needs to get into the hands of the guys at Gamers Nexus. Would be a perfect fun project for the new test rig and a unique collaboration
It might even be easier to just send the files over and have it fabricated there
@@patrickhector cheaper than shipping.
As they specifically covered the Corsair one (and even had to fix it!) it would be great for them to see this one. Was also interesting that it appeared that the Corsair one was 3D printed as well.
Unfortunately, this is way too large for their test rig (caps out at 200mm officially)
...but I'm sure they could still make some interesting content or of it
The $100 Ender3 (even if it's just a sponsored event) is honestly a damn good offer. Like, sure, it's not exactly state of the art anymore, but I'd say it's what I'd recommend anybody who wants to get started and isn't quite confident enough to go for a Prusa.
Also, as for the main focus of the video, I just love seeing all the design work that's gone into this, especially at that scale. I mean, those M10 inserts are just... chonky.
I paid $130 for an Anet A8 kit when I first got into 3D printing, so a $100 Ender3 sounds like an amazing deal.
Yeah, the Ender3 offer sounds terrific. Bummer that you have to buy it in-store, and the closest MicroCenter to me is 1200 miles away...
My Ender 3 Pro is still basically unmodified and I absolutely love it
I definitely don't recommend the E3... it's out of alignment (frame, bed can be bent in corners) out of box... you'd have to set it up on a granite countertop to keep the pieces from shifting while tightening.
@@BeezyKing99 You are right. I had to make sure everything is at a right angle, which was a process, though very much worth the effort.
1:16 - I could just watch those printers on endless loop whilst listening to your commentary... they're so mesmerising.
Fan tastic Angus.. Will be building one . thanks for the files. Look forward to the revised version
I feel like the friction from the grease in the bearings is negligible when you're using a 1500 watt motor. Yes, when you're flicking it with your finger it stops quickly. But when being driven with even a few watts I can't imagine the drag is even noticeable.
I know the feeling. Way back in the early 80's I had a skateboard and spent an incredible amount of time messing with wheels and most important bearings. Looking back it was totally ridiculous. Sure it looked nice when you could put some spin of a wheel and it spun for a minute or so. But when you were skating it really didn't matter if you had torqued down the wheel nut a bit more. It just meant you could be sure it would stay tight with no play. But no I was switching out bearings and spent more time cleaning and lubricating the bearings than I did riding the board...
@@blahorgaslisk7763 Sounds like project cars!
yes but the gears are 3d printed and hence weak compared to injection molded or metal ones, removing any resistance is ideal as shown at the end they broke anyway.
@@zalo3479 That's more because dry PLA is just a bit of a dogshit choice for a gear train no matter what your load is. A planetary set entirely out of that igus stuff with irrational ratios to spread the wear out would've had a lot less trouble regardless of the bearings having stock grease or not.
I don't think it's negiligible. It won't do much to slow the fan down, but it might just set the bearing on fire.
Well... THAT is certainly less quiet than a Noctua fan... Great job, Angus!
Yes, that is indeed frightening. I'm impressed the blades didn't leave for a better (and drier) place. Great build!
Awesome! Looks perfect for clearing out dust after pulling
a plaster ceiling down!
That is so legit. I love the blade dovetail fastening.
Spent the whole video waiting to see if you'd mention the Fan Showdown, this would make an awesome collab topic ! :)
Oh and a real use case for the fan : depending on the CFM capabilities you manage to get out of it, it might do for a pretty awesome table windTunnel fan, compared to stacks of small PC fans like we sometimes see ;)
@Dakshesh Gauba Damn right, I'm too much on the computer these days XDD editted :p
Haha
That’s like me and my friends… we would compare who had the best bearings that could spin the longest… we had a “scientific” test where we ran the wheel against a box fan for a few seconds and let it spin freely.
Good times. Pointless, stupid, good, great times.
I love how you showed the Fan Showdown from Major Hardware, bravo! ;D
Awesome design, it looks perfect! A toothed belt drive rather than spur gears might be worth a go, it would be a lot quieter if nothing else.
I genuinely laughed out loud when the PC blew over 🤣
Angus, that was incredible .... Oh yeah, insane too lol. I'm stunned that the blades held up to the centrifugal force, I was convinced those would fail first. Great work 👍👌
Really cool build. It makes great "thrust" and has an awesome design.
As an aerospace engineer, however, this is terrifying. There will be a speed at which the hub can no longer hold the outward force generated by the blades. Additionally, the blades themselves are only held together by the layer to layer adheasion / fusion of the plastic. Those jet engines you referenced have 75 years of design experience and testing holding them together.
TH-cam needs a double like button, just for things like this! Angus you legend! Thank you for making all the files available as well, extra bonus points for that. After the obvious bonus for the "I'm gonna step away and full send it" segment. 😂👍
Don't just get a power meter - get an anemometer too! Show is those wind speed measurements!
Also if you're reprinting the gears (why wouldn't you, lol), would helical make a difference? Or printing in resin? Helical would be quieter but not sure if the shear forces would rip it apart on an FDM print, hence the resin suggestion. Fantastic job on the 500mm Coarse-Air!
He should just use a hub motor out of a hover board. It is silent and needs no reduction.
Brilliant work Angus, although a custom printed PC case that integrates this monster is now inevitably in your future…. Linus are you watching?
Love this build. I'm a huge fan of the tech space and it's what brought my attention to 3d printing. Always love to see clashes between the two.
One of the BEST videos yet! I totally loved it. This is what pushes the 3D printing community forwards!!
I say replace the receiver with a microcontroller that can output tach signal and take in standard pc fan PWM control signals and control the speed. Then you can hook this to a PC motherboard and use it as a case fan.
You'd need a 1500W PSU for the fan 😂😂
@@jonipaananen9304 lol, yeah, you would obviously need a dedicated PSU for the fan alone, lol.
One of the coolest 3D prints I have ever see!Also love the major hardware shoutout! 🍻 great work
That is so cool!!! And you just sharing the files is really very cool too!
8:22 oh my god I cracked up your quote at this spot "well...that's...terrifying.... Time to finish it!~"
That was GREAT entertainment. It's not often that I actually laugh at a video. But this was simultaneously fkn funny, technologically impressive, had some making, some 3d printing, and some future nostalgia embedded to remember the damn rain and floods years down the track. Bravo Angus!
Thanks Kieran! It was a crazy project to complete but really happy with the end result. Now to make something else :D
I am happy every time I see a add for Microcenter every time I go into one I am impressed. They are too far away but that's the only bad thing to have to say. Just being to be able to see and buy filament and other 3d printer parts without needing to wait is amazing.
Thats what next/same day delivery is for lol
Sir, you are truly a mad scientist, genius engineer! That is the best looking whole-house-fan I have ever seen. What a cool (breezy) and fun project. Glad you just HAD to have one. Thanks for sharing your brilliance. That video was hilarious and informational at the same time. Good job!
Yeah, it is nice to have a Microcenter nearby. I sure would miss having them around if I had ever moved out of state :)
Epic build!
I'm curious to see the wind speed it puts out. Maybe get one of those meters to measure it? I'm more interested in the fan's output power than the power consumption. I wonder if there is a way you could measure CFMs? Maybe attach it to a big plastic bag and see how long it takes to fill it?
There are CFM meters that use a small fan to measure. It's commonly used to test hvac systems.
Just send it to Major Hardware
if I'm not talking out of my rear, you can approximate it by just using the area of the fan (excluding casing and the hub) and the average air speed on the output.
An anemometer, pen and paper and you'll get the CFM, m³/h, L/min. or any flow unit you want.
Static pressure takes a bit more to measure, you'll need to seal the back to the meter.
I just bought my first 3D printer last week to prototype some parts. While looking for info on the subject, I came across your TH-cam channel. I love your content! And this fan is beautiful (and a little bit scary)! 😂😍
I didn't know MicroCenter wasn't even in Australia and they still wanted to sponsor you! Your maker skills are clearly world-renown, that thing looked it it was going to levitate when you first turned it on haha. I expect nothing less than a 3D printed jet engine next time!
Hahahahaha dude yer wildn out over there. Love this!
I would love to have one of these beasts but a $20 box fan from the local dollar store still does a better job while also being much more safe to use.
Better? No. Safer? Yes.
That was the best video I've watched in a long time!!
Love it.
Now you have to set it up for part cooling on your new $99 Ender 3 from Microcenter.
How cool of Micro Center for sponsoring this video! That fan is terrifying! I LOVE IT! I legit might have to use that coupon!
Ahhhh, WD-40 is /not/ a lubricant! ;) Very cool project. Thank you for the video!
Got to be the greatest fan ever made! I wonder if Gamers Nexus can test one or is the new fan tester not big enough 🤔
Would love to see such crazy builds more Angus. Well done.
I like that you included the Major Hardware video at 11:10. Wouldn't be a 3D printed case fan video without him. :D
10:32
You don't need a Current Meter. Just use a 1Ohm or 0,1Ohm Resistor and meassure the Volate across it. Then you can calculate the Amps with Ohms Law.
More like a thinner piece of wire...
V = IR, eg. 100A through 0.1 ohm is 10 Volts.. way too much drop in the measurement.
A clamp meter would be less intrusive, one that can measure DC current.
Cheers,
Im not really sure if he meant electrical current, i think he meant air current. But im not a native english speaker, so i could be wrong.
@@MrBlackFiction that's an anemometer. I think he meant ammeter.
And there was me thinking that I was your biggest fan. 😬
Hey sir, Ive loved your videos for a while now and they really have helped me. Im a fair bit older than you and I remember the very early days of 3d printing and have watched its evolution over the years. Somehow I got left behind with my CNC machine, but are getting up to speed now thanks to you.
What I would like to see is a video of the pros and cons of the different 3d file types. OBJ vs STL vs 3mf, etc. Have you already done such a video?
Welcome! I haven't, but .3MF is the most suitable format moving forward, as it can also contain print settings and additional information. .STL is still popular, but very outdated in my opinion.
That was VERY impressive. You are so incredibly skilled man!
You could say it’s your biggest fan (haha I’m bad at puns)
Having nearly sliced my finger off with a model plane prop before, there's no way in hell I would have been sitting that close to such an imbalanced fan blade spinning that fast. Didn't really expect that from you considering how much emphasis you put on safety on your channel. Glad to see nothing catastrophic happened. 1500w is a ton of power. Please be a little more careful next time. The rotational energy in that thing can cause some serious damage. Awesome build though, that's for sure!
Wow, have you found a new purpose in your work? There was so much energy in this video. I love it. Glad to have you back, sort of... Keep it up :-)
It's been tough, but I love doing projects like this. Hope to do many more! Thanks :)
Well Done Mate. Astonishing creation.
There's a lot more potential here with this creation that you even have shown.
Build it with a direct drive AC induction motor of about 3600 RPM, the speed can be varied with a variac or dimmer.
Also THIS design would be ideal for a SERIOUS ventilation fan in a large shop or barn out in the farms.
They are getting very expensive now.
Also for temporary use in paint booths for evacuation of air and fumes.
AND Power it also with standard regular induction motors that do 1100 or 1800 RPM from HVAC systems on small fans and squirrel cage blowers would fit right into that opening and size with little modification. Those motors are highly efficient and low current drawing only about 100 watts or even less which would enable you to run this boss thing all day.
That kind of build would provide a moderate speed with a continuous duty motor that could go in a window and ventilate 30X better than the cheap 3 speed box fans sold in large stores. Another mod of this design would be to use a 12V motor and use a smaller version for radiator cooling on custom cars. There are lots of electric radiator fans now but they are expensive and very poor in efficiency compared to this streamlined blade design. Of course in those serious applications the lights and so on would not be incorporated.
I have done some acoustic analysis on the fan revving at full power (12:49).
The main frequency is 1898 Hz. With a 9 bladed fan that means 1898 / 9 = 211 rotations per second, or 12653 RPM.
Much more than the 3330-ish RPM you stated at the start of the video (5:50).
The difference is about a factor 4. Which coincidentally is the gear ratio.
Any idea what may cause this difference?
I think you're hearing the motor not the fan, so that calculation works out quite nicely!
I guess I'm no longer your biggest fan 😂
It was the maniacal laugh for me! The sheer enthusiasm for this project is awesome!
Loved every minute of this. Fantastic mate!
Should be tested by GamersNexus :D
Dude that was sick. You keep making stuff like that and I’d pay a subscription to watch!
Looks awesome, I can't wait to see the size of the PC case your gonna fit it in... But seriously you should build a PC with this as the main case fan just for giggles.
I'm gonna be smiling for a week after this one. Absolutely epic project, many thanks.
The only clickbait that is actually not a clickbait. Always cool stuff, man. Good job.
I visit Microcenter more than my office sometimes. Love them so much
I love it! Only little thing you could mains improve is the seams in the white rgb shroud
Awesome my good man !!!! This is why I love additive manufacturing !!! I make what I want when I want!!! 🥰
Dang that is so COOL!!!!!!! I love the case! I so want to make something with that futuristic chamfer style.
Happily surprised that Microcenter sponsored this! I'm lucky, there's one about an hour away from me. I'm not a "new" customer though so maybe I'll have to sign my wife up to get that sweet Ender deal. :) Also love the shout-out to Major Hardware, he's definitely up and coming. Cool build! Would def like to see it at its full potential.
Just brilliant. Very fun video to watch, thanks.
Dude this is so awesome! I wonder how much the blades deform at full speed, it seems like your design held up really well.
the last five minutes of this video have amazing early TH-cam energy and I love this
Aw man! I live in Idaho and would love to see a microcenter in person. Although, travel prices would tell me otherwise lmao
This is fun. I wish the blades were in the PETG as well, but nice done man.
Best video in ages! Im in the gong too the rain was crazy hope you didn't get flooded.
You NEED to send this to Steve and the GN team for testing. Awesome work as always!
Great fun video to watch. Maybe use a lower kva motor for direct drive. All you need now is a hand-held version to make leaf blowing more practable. 🍁🌪️
glad you survived the spot of rain up there hopefully without any damages
LOTS of mould, but hopefully nothing too badly damaged here!
Sounds like one too! Very 1to1 replication, great job.
THIS! IS! HILLARIOUS! ...and awesome. 😆
Thack you for your creativity! ❤
I run the ''cooldown'' lounge for a convention and boy, making a wall covered with a few of these is so tempting
you did it Angus mate
that's sick mate genuineness book of records stuff
G'day Angus. Couple of suggestion, one for the re-build and one in general. Firstly swap out the gear drive for a toothed belt set. Belt drive removes the gear on gear friction that destroys 3d printed drive trains and also power transfer is shared by all teeth that are meshed with the belt so removing another weakness (literally and figuratively) of all load (power) transfer being concentrated on 1 tooth of each gear at any given moment.
Secondly and just a general comment about designing parts that are to be printed in sections due to printer size constraints etc. The finished assembled component will be have much more intrinsic strength and rigidity if the joints for each segmented component don't all line up when the finished item is assembled. I realize you mitigated this by using a one piece MDF front plate but you missed an opportunity to add additional rigidity to the other side of the frame by lining the joints in the PETG diffuser pieces up with the joints in the frame. Rotating the diffuser by 45° would have enable those pieces to to also act as bracing for that side on the frame. An old Design Engineer I used to work with would often say any component should serve more than one purpose if possible.
Anyway keep up the the great work, the finished fan is awesome.
Cheers from NZ.
Yeah nice work man, a creation to be proud of. I can't help but wonder how much smoother it would have been with some balancing. Did you know you can buy bearings without the grease and seals and they're cheaper? :)
This seems like a fun project to build the rest of the PC case to scale!
Angus, You posted a vid several years ago where you were talking about art pencils and how tools don't make you a better artist, practice does. Do you remember which video that was? I took what you said to heart and it's made all the difference. I want to share that video with someone else. Thanks for all you do!
For the fidget spinner treatment, yeah you can strip the grease oil, but you can also replace it with a low viscosity oil. Since there's relatively low load on the bearing itself, low viscosity oil would keep the longevity as well as the free spinning characteristics
As soon as I saw this I thought of The Fan showdown series! Been with it since season 1!
Great project Angus! Love it.
That is a amazing project. I could see me making one of these for the computer room but a cheap box fan motor would make it pretty quiet🤔
Angus, I've been watching your account on and off for years now and every video I watch never ever disappoints, love your shows!
Wow Angus, you nailed it!!! 👏👏
Really cool video! Greetings from the UK.
This is insane. I love it.
Maybe for 'drive 2.0' you can go with a belt drive. It should be quieter, too.
For a motor system that big, try to wire in a current shunt in the source power side. They are setup to convert DC current into easily measured mV values. For example you can get a 500A / 75mV shunt. If you read 150mV, it's drawing 1kA