Spending time making cool swirl? Worth it! 10/10

Make a quadcopter with small 4 bldc 3d printed motors that would be amazing like this video. 👍

I'd be really interested to see comparisons between magneti- and non-magnetic filament.

Super cool build! I'd be tempted to find a wire mesh sleeve or something that fits around the entire motor housing just to keep any larger chunks in place if it grenades itself. That thing is terrifying at speed

I've been doing torture tests since getting my printer recently and have found thin stainless steel mesh goes a long way you could also put a few bands towards the center of the housing to help keep your walls from buckling like you see on water towers

That was a really cool video! Very curious to see how reliable this motor is. Be really cool to see this on a drone. Kind of crazy how much thrust a piece of 3d printed plastic can really produce

Wow!!!!! Amazing and huge thanks for your efforts!!!

Great way to test your layer adhesion

Man that was really awesome and i know how hard is to wind the copper and it's perfect 👍

I'm surprised it was balanced so well. Knowing the properties of PLA, you should not run it under severe loads that generate heat. Other then that well done and getting the windings correct at the first shot.

Impressive and scary at the same time! Great video, with graphs and all 👍👍😍 Thanks for sharing your experiences with all of us :-)

Really nice. It would be interesting to see what kind of rc vehicle you could use it in!

That's impressive! I may try to print and make one of these.

that magnetic filament idea was genius, cool video!

This was cool and honestly made me wonder a few things. Like if you were going to put this on something (say a model plane), how would you go about balancing the rotating components? I know there will always be some vibration, but I'm guessing at least some of it could be dialed out.

whoa, the motor mount is looking sketchy :D and the vibrations close after start are scary, but hey it worked haha. Nice. I tried to print things that spin only once. You can guess how it ended up.

Sounds like a real plane and it's great

To strengthen it and prevent its expanding and exploding you could use hose clams on the outside, use 2 and put the bolt assembly on opposite side with each one to keep it in balance. Also a general case balancing would be good too. Maybe also print in nylon.

Seems quite viable for a quadcopter. I think it may be a good idea to put a few layers of fiberglass around the outer motor to hold it together, and do some dynamic balancing to keep the vibrations to a dull roar.

My eyes were glued to the layer lines the whole time on that last test lol! I'd for sure be a good distance away if I was there but it seemed to hold up great!

Hello Michael i had a couple ideas for possible improvements, there is a couple ways i think this could be be helped. I would recomend trying to get it balanced even if its statically. IDk where you are but it would be fun to put this on our dynamic balance machine and see how much it is out. it being round its probably close but i wonder if the infil has biased this to a certain area. my ideas off the top of head would be to put the printed parts into a jar and pack it tightly with kinetic sand. then spin it up to around 900 rpm or so inside of a oven to aneal it while rotating. a cheap air drill could probably be used if its metal to workk ouut something that can take the heat. i se you have printed it with the layer lines xially around the body of the motor, i would like to see if some thing metal mesh could be installed on the outside of the motor body tieing the layer/grain structure together better. eitehr heat set it in or use some UV resin and instal it and dip it in resin and agin spin it during the cure. also i feel like you should look into getting some statorade its a ferro fluid that helps disipate heat. probably rambling also sorry for the spelling and grammer its not my strong point. great project and video tho dude cheers

There's lots of vibration so its probably affecting motors max performance. May be printing with SLA can fix most of them. I wonder how resin mixed with iron dust behave

That is cool to be able to do so much yourself

In addition to what the others said about strengthening the print I'd like to add putting it in fine sand or some powder and chucking the parts in an oven to sinter it and improve the layer adhesion Good luck mate

Do you know about axial motors? They are so simple to make, almost like they are made to be 3d printable

How is it holding the heat? Is it enough with the propeler's wind to mantain the motor's temperature under a critical point which affect it's structure?

Cool project, nice build. Now 12S or bust!

Neat. I think balancing it would go a long way to improve performance.

Ever tried the pla+ from esun? Been seeing a lot of protopasta lately and may try it

It’s really cool! May I know how to get the thrust power value feedback, thank you very much!

Probs to giving the guy who made it the credit and the transparency It's a cool project for sure

Me seeing your shadow in the background while the death rotors are spinning. Me in my blast proof bunker watching and sill being scared.

Awesome test. I guess that an axial flux motor should perform better.

if you leave holes in the rotor to put iron bars, does it increase efficiency? with normal plan

The windings looked like they were doubled? Isnt that usually done for more torque? Or for speed? I would experiment with thinner wire for more windings. And thicker guage for more current and see which you prefer.

Now you gotta build a VTOL I may be a little biased…

HAHA This popped up in my feed, Im just finishing printing a few sets of these parts for a buddy to build some up. Neat to see what its gonna look like.

Cool I made a plastic casing motor about 8 years ago albeit without any 3D printing

You should make more of these and put them up for sale!

Nice project 👍 😃

Balancing. That could be one thing to do.

@Flitetest please make a plane with some of these

Does it count for magnets pulling together in gforce calculation?

Nice now power something with it 😁👌

Sounds like a Piper Meridian on take off roll.

try it with copper filament may not work but aye worth a shot

Waterpump or power generator by water, Hooverboard? love this project :)

I'd be very interested to see Voltage / Current / RPM plotted alongside your Thrust graph.

Looks like there's a certain range of RPM to avoid, unless a bit can be done to balance it better. But not bad given everything else involved.

What kind of rpm were you getting? Back in the 60’s I had trouble keeping windings on small Mubuchi motors that were rewound and running 10,000 rpm for slot cars.

Would love to see 4 of those in a quadcopter! with 24kg! lol, looking forward to that!

Maybe a good idea to add some metal tape around the stator outside for extra strength and safety. Just in case of a crack it will prevent pieces flying around. I think it also looks cool because after applying it, it will look like a metal body.

I could watch that sweet swirl spin for hours

That's pretty neat I may have to try this. But I am trying to use a 3 phase rc car motor in a fan. And can find a stand alone controller for the motor. The fan is a 10" dewalt fan lol

Can you make a metal sleeve on a lathe just to slip on the outside ring of the motor. So centrifugal force is suspended if you get this. Just thinking a 1 mm thick sleeve would not add too much weight.

Could this be adapted as a generator? Say wind or water?

A motorized vehicle with this motor would be really cool! Maybe print 2 and use them on an electric longboard?

Interesting motor, i wonder if this motor could be scaled and power a electric vehicle, such as a motorcycle or a small car. And if so, how much hp could it give.

How about trying to fit some temperature sensors in the wires, and then ramping up the current to see where the limit of the motor actually lies? It might also be cool to modify the existing design to implement integrated forced air cooling.

rotating parts should be 100% infill usually, otherwise uneven distribution of weight and load bearing capacity can become issues. 0% infill with thick walls works in some builds.

Did it reach 18K RPM? I'm asking because I was like, when it seems to stop spinning and reverse, that's when the speed matches the FPS of the camera. And so I counted 5 slowdowns and a bit, which is more than 300 RPS or 18K RPM, assuming the camera is 60 FPS. I wonder if this estimation method works or not.

Cool, sounds like a turboprop engine 😎

How many watts did the motor draw with the big prop and 6s?

Hey, following Christophs instructions I wasn’t at all able to fit the windings into the stator. How did you do that?

It looks to me that you have the motor rotating counter clockwise and the propeller mounted to apply downward thrust. Was this to keep the rig from flying off of the mounts? Easer to measure thrust that way.

I suppose it's time to try for a 3d printed axial flux motos

what if you use it as a generator? will this work and what power you can get out of it?

0:27 - It would explode using PLA, maybe carbon fiber filament would be stronger.

A very impressive motor. In order to avoid iron you can use the BLDC axial flux configuration, which has the additional advantage to offer the minimum of structural materials. I like the version where a single coil plate with mounting points sits between two rotating permanent magnet plates. This configuration gives the most torque. The rotating plates should be made of fiber-reinforced epoxy (G10) plate material, especially if you operate them at higher rotational speeds (200 to 500 rps). You can have a look at such motors unter "How to make Brushless motor from clear acrylic" in the American Tech UKposts channel.

I want to try this out with my CF PEEK Printer.

will be interesting to see if it's indeed 600W capable

That bldc body spin that mean if you creating longer tube of bldc body that bldc doesnt need shaft to mounting blade just put in the spining body the blade, in other mean bldc can use as turbine engine

Gotta balance that rotor on there!

That is pretty slick! I would consider maybe at least PETG for heat tolerance. Those motors can get toasty. Smaller motors are so cheap that I wouldn't want to put that much time into something I can get for $20-30. But for something big or custom build...sure. Might be a little less crash resistant too. I've run some motors through dirt and hard ground, blew them out and flew again. Could see plastics breaking more easily. But hey.... fly, crash, repair and repeat. As long as the insides are still good...new print job and you're back up. Can't do that with standard motors.

If you could print with two different types of materials at the same time, could you print a ready to run motor?

Maybe, just maybe, it could be useful with liquid cooling circuit, and wrapped in carbon. Otherwise it either melts or flies into shrapnel eventually. It would be a much more practical approach to use laser cut special steel for an iron core, while keeping the 3d printed hallbach array. Anyway, what is phase to phase resistance and no-load current?

Looks great. Very exciting. I think I would balance everything before I pushed it harder. Looks like there is a little vibration in it and that could be a big issue if pushed too hard.

I imagine that kind of blec turbines product which can replace liquid fuel turbine long bldc that spin like 50.000 rpm+

What kind of bearings are in that motor? You know the type of bearings in fidget spinners or ceramic bearings. If you found the right size and swapped them out wouldn't you get more RPMs and a quieter motor?

Would making it metal improve it all? Like if you used one of those metal 3d printing services?

One upside for propellers is that their wind can be used for cooling. Should heat be a problem.

How do you get 2k G's of acceleration with 30 seconds of ramp up time? There's no way that 3d plastic would survive that lateral force 10g magnet should way 21kg each, would it not?

A long motor. using really long magnets instead lol (would it have more torque?)

If the motor rotates why not have the case also incorporate turbine blades, or are the RPMs not high enough to make that efficient?

Can it scale up to about 175 lb of thrust?

Whoa, cool...

A quad copter drone would be cool.

Impressive it didnt melt. My rc brushless motors can hit temps above 70C

Maybe you could wind some carbon fiber around the circumference? Like tesla did on the plaid motor! Then it won't be so sketchy to Rev it up high 😅

Could you use this motor as a trolling motor for a Kayak?

There is *no way in hell* I'd spin that thing up without some sort of a blast shield between me and the motor!

Just need 3 more then giant fpv quad time

FPV drone pilot here and I can say that its awesome to see a 3d printed motor and on 6s that thing goes NUTS! Great job on the video too!

I can only imagine what 12 s would do any heat at all and that plastic will melt

fyi, if in the future you make another motor do NOT use those bearings with rubber seals, the seal gets hot and melts and you blow the bearing, get the metal shielded ones.

Could the motor be used to generate electricity like a wind turbine?

Dude, you should make a quadcopter drone with 4 of these and then see just how much weight you can lift with it. Imagine getting to the point where you could 3D print a single person flying craft!

It’s coreless so up the voltage and decrease the current see the results then

That is so fucking cool. It really didn't seem like a very complicated design.

I'd love to see the outside part, that holds the magnets, wrapped in glass fiber and balanced with some epoxy to hold it together. 50 lbs of force on those magnets puts in the realm of pcp airguns. It's very dangerous.