3D Printed Vectoring Mechanism
ฝัง
- เผยแพร่เมื่อ 8 มิ.ย. 2019
- This is a compliant mechanism that is 3D printed as just ONE piece! I tested many materials with varying flexibility, because in order for the motor work it could NOT be too flexible. However, it also have to be flexible enough for a small 9 gram servo to move the pivot. Even though a small brushless motor was used it still overpowered the 3D printed mechanism. The thin plastic bent once the motor produced thrust causing the radio controlled airplane to dive straight into the ground in a spectacular fashion.
Veritasium's video: • Why Machines That Bend...
Best 3D printer to start with (affiliate): amzn.to/3vfMsoF
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I apologise for laughing so much at the maiden flight... i guess that's what happens when you mess with 115% probability scope. ;)
More like that's what will happen if you start it upside down
He must have miscalculated the print infill 😊
Yeah Sorry from my side too but believe me you were looking such a dumb after the plane crash 😂
Got to that point and now I understand :)
Hey Man, a piece of advice that can prevent snapping :
I'm banging my head on this mechanism too. The orientation of the print actually matters on this case, if you print sideways (as oriented on the original stl) the layers will be orthogonal to the stress on the flexed beam, thus being stronger than the layer bonding.
I'm actually printing it right now and I'll give a feedback if you are interested.
Kudos for the work, the plane worked fine for a prototype !!
I also built planes as a young teen and I'm into 3D printing now. I wish I would've had a friend like you back then who's interested in the same stuff. Keep it up!
Fantastic editing, pacing and music! The project was fascinating, but I found myself loving the filmmaking even more :)
Thanks for sharing failure, that's pretty rare these days.
Every single engineering channel (Peter Stripol, Michael Reeves, etc.) shows failure. Especially Michael Reeves.
Huh? Just about every single channel I watch that shows how to's wood working or general making has made it a point to show them failing. Its the "popular" thing to do nowadays.....
@@alekseiterin988 sure, but fellow RC ppl that dont have a professional channel dont.
I agree. I thought this video was entertaining and also I learned something so PROPS to you
I mean... too much work went into it to not post....
The crazy RC airplanes, 3d printed drone stuff, and scooter mods, is why I'm here. Glad to see you're back at it again, Simon! Keep up the good work!
Oh my gods, that first takeoff was amazing I laughed so hard... I wonder if two thrust vectors with bigger servos would have worked?
And maybe use a carbon fiber or metal infused filament?
Impressive Build.
Nice design with the vector control👍😀
Thanks for sharing 👍😀
It's great to see you stretching yourself. In this case, sort of returning to your roots to incorporate 3D printing and advanced technology with the compliant mechanism. This video, more than others, raised several questions for me:
1) Center of Gravity - Do you perform any rudimentary balance testing before concluding construction? I'm thinking nothing more than suspending the airframe using fishing line to determine flight characteristics (i.e. nose-heavy, etc.)
2) Stress Testing - Do you perform any rudimentary stress testing before concluding construction? I'm thinking mounting the thrust vectoring mechanism with motor on an instrumented stand to determine the effects of torque, etc. on the compliant mechanism. Then adding a propeller to test with greater loads. A scale would provide information about power before the first flight.
3) Finite Element Analysis - Rather than printing with many different materials, have you ventured into FEA with Fusion 360? You might be able to rule out a lot of materials to arrive at the best balance between rigidity to resist torque and thrust, and flexibility to provide the desired flight control characteristics.
4) Generative Design - Once you arrive at a straightforward design, Fusion 360 can then produce many variants of "generative" designs. Designs we would never come up with; many that couldn't be produced using conventional fabrication methods, requiring additive (3D printing) and/or subtractive (CNC) manufacturing techniques.
Lastly, have you considered printing with carbon fiber filament? Light and strong, though it might not provide the necessary flexibility and almost certainly would fail (crack) with enough impact.
First, I love seeing this compliant mechanism concept being tested live in a new way. Especially how the various materials flexed or broke under stress.
I remember the same video you referenced about compliant mechanisms and, if I remember correctly, there's a key piece that can explain your material strength problem, which is that this particular thrust vector gimble is made with 3d printed metal for the (as another viewer pointed out) much lower powered ion thrusters used for positioning the satellite.
Now, if I were building a blimp or hybrid dirigible, where the need for constant, fast vector changes and a relatively high thrust vectors isn't a requirement, then it might be an application where this gimble could be useful - in a terrestrial environment at least.
Just want to say thanks. I don't laugh much these days, but everytime I watch one of your videos, I always get a good laugh. Your sense of humor is great. Appreciate the knowledge and the humor. Keep up the great work.
I like the way you analyse the problem.
I might make one of those out of PETG and reinforce certain parts of it that don't need to flex.
Thank you for sharing and staying active.
Thank you for showing us how to create value and share it to anyone in the world.
Dude i love this channel and im sad not many people know you and your stuff is awesome
Great that you too was intrigued by the possibilities with compliant mechanisms! Thank you for a good video on trying out using them for something practical. I too watched Veritasium episode with the professor researching compliant mechanisms. And I bought his book. I will use your findings if and when I get around to design something myself! Until then - here's a Kudos from a fellow Swede :).
I think we love the failures as much as the successes. Either way, we learn, and are entertained at the same time. Keep the videos coming. They boost our projects in ways you may never know. Well done.
Dude it's time for PETG 💪
Very cool use of the 2 DOF compliant mechanism!
I'm from south Korea
And my favorite TH-cam is this one 😍😍😍😍I love you!!!
The work you put in this videos is incredible. Congrats!
I always like the touch of humour you're putting in these videos! I like to follow your projects.
FT Versa wing is probably the best platform for doing this experiment on.
I've built and flown several of them and they are very forgiving.
Ahhhh! All your videos always make me want to build something from how awesome and motivating your projects are!!
You keep it real, I enjoy that about your videos. One way of looking at it, is not failures but how many different ways it won't work.
I am really starting to see the polish in your videos. You've got great ideas, keep it up!
Cool, love to see you succeed with this project!
Yay another cool rc video , keep up the good work
you have fantastic tenasity and.. sense of humor :)
As always, thanks for showing the fails, they are as educational, if not more, than the successes. I would be curious to see this on a stationary rig with the motor and prop so you can film it and see how the different filaments and sizes react. Nylon feels like such a good fit for this because it is so compliant, but as you stated, maybe TOO compliant.
Best sentence: "This one I can't remember, but it worked really well..." :D Very nice. Isn't this a great time where you can make what you love and make great videos about it that you can share? 👍🏻
beautiful - this works perfectly -- keep moving forward !!!
Nice creality printer and enclosure!
Scaling up could also mean opening a CAD program and maki g some of the structure segments thicker. Take a closer look at the failure points for how it broke. In 3D printing the print orientation ( layering effect ) affects regidity and can be the failure points.
Nice video, good job not glossing over failures, that is part of the learning process.
Keep at it, man. Great video!
Awesome idea and design
Your 2011 plane was great
7:23 when your called down to pick up something that you didn’t even drop
I was thinking you meant 7:15
Mac Swanton you mean 7:25 ?
Great finish!
Loved it! Awesome editing.
for the thing to be more rigid - you can print stiffener stripes in some places, not necessarily scale and make bulk the whole thing, just to pay attention to flex nodes
Love it!!! Ive been waiting for some real life functioinal compliance mechanisms. I saw the video of veritasiun aswell and printed some of their stuff!
Listen man i could see your frustration and i feel you man, its just part of the RC hobby but continue to persevere continue to make awesome projects for us because the more you fail the more you learn. :)
Cool project and really nice Volvo XC60 you have there 👌🏼
Dude, so cool to see the RCPowers F-18!
thanks. That was pretty cool.
Most brilliant idea
your doing great work ,never give up just keep on trying
you did a great job explaining electronics in a way that beginners can understand. also my versa wing has a worse gap and itsa right in the middle instead of the back lol. my advice would be to try the thrust vectoring with a tractor style plane, motor mounted in front. then you dont have to worry about the weight quite so much because, as you said, nose heavy planes just fly badly. try it with something other than a flying wing as well, because flying wings are notoriously pitch sensitive. best of luck and keep up the great work!
PS: you may want to share with your viewers a link to that foam board since it is hard to find outside of the US.
I was really hoping you'd make a video on these mechanisms after watching Veritasium's video. You didn't disappoint!
Nice project
Keep it up❤️💪👊
you could try to use the steel from car wiper blades to reinforce your construction and print it with a more sturdy plastic
i realy enjoy your video!!
nice work
You need an engine test stand on your bench to more closely study material compliance vs thrust. Try some reinforced nylons or polycarbonates.
It's a motor, sorry but it was bugging me
@@calebcrawford8887 The nomenclature is still valid
That is an excellent idea. This would also let him quantify exactly what he had to do to make it work.
@@calebcrawford8887 Maybe learn how to let the small things slide? The internet is already full with people like you
He said he used “pc” (polycarbonate)
Sunday night not completely ruined thanks to your video..... nicely done :)
You are great ! Verry nice video editing.
I’ve been confused from the beginning so I always like his videos before I watch them
As always, great video!
Thanks for sharing man please record more videos
Loving your videos !!
Man, awesome project Dude 😎👍 I was thinking of designing the mechanism for my current rear mounted parkjet designs. The Freewing SU-35 gave huge inspiration for its simplicity and strength.
Funny video insertions btw 😄 Welldone!
nice proyect! keep it up!
Never lose your humor man. I was laughing a lot during this. Thanks for the laugh
Try PC carbon fiber, I've been using it for mounts and it's pretty good for robustness and stiffness. Less flexible than regular pc but not quite as stiff as pla.
I printed one in PLA, but I set my wall line count to 3. That printed well on an Ender 3 and might be strong enough for your needs. You could also turn the temp up a degree for better layer adhesion, and increase the wall line count to 4
Those delta wing planes are super robust and durable. We used to combat them on a cliff side with a road behind it. I crashed out onto the road, and a car drove over it. No harm was done, I relaunched,and continued flying for another hour.
My gosh, that was such a fun video. Loved it!
I like the Volvo behind you.
I saw that video. Awesome that you’re building it to control a plane.
Great video dude. Cheers from Melbourne Australia.
Thumbs Up was pressed the second the wing nose dived on the initial flight.
You should 3D print the frame components to hold flat, flexible spring steel bands between them. Use the 3D printing for the framing around the motor, and for connecting the bands together, but use the bands for rigidity and flexibility. You could make the 3D printed parts with slots that go completely through the middle of them that allow the bands to slide through, and then use epoxy or screws to affix them in place. The concept is solid, so it's a matter of materials. You could cut the spring steel out of one of those clock springs, or constant force spring. It's typically a flat band wound into a circle, and is typically inside of those wind-up kids cars, clocks, lawnmowers, etc.
These are the videos I subscribed for and I want MORE
Ever thought about using metal spring to lighten the load , or or spring metal sheets cut to the right size so that it bends with the surface... It may also help with the vibration , like shock absorbers
That was amazing. I have a an idea. You could add a second motor on the front spinning opposite direction. Maybe next to. Should counteract rotational torque.
a) you're amazing.
b) never quit.
Beautiful job, dude! 😃
As soon as I can I'm going to build a wing like that. Maybe with iNav, but definitely with FPV! 😃
It would require supports but if you print with the right orientation you can increase strength of the x flex
Great channel! For compliant mechanisms you want to use nylon filament, which can endure much more flexing without breaking while still retaining strength. 👍🏻
I’d love to see you revisit this!!!!
That f18 was sick.
Haha, so funny. I hope you will be able to continue for a long time. Thanks for sharing!
you have to make it work dont give up
This is going to be great
I think annealing the 3d printed part would help this a lot
Awesome video like always keep it up
Excelente vídeo! Adoro esse canal. gostei de ver o mapa do Brasil na parede :)
Now build a test stand to mount the compliant structure into, where you can focus a camera as you apply thrust.
I want to buy one of thoes 3d printers!
Thank You for Yours videos! I really enjoy thoes!
Good luck brother, keep spirit!!!
Cool! As I began watching your video and saw the piece you'd printed, I immediately thought back to the video you then referenced! Great video!
Great job. Fantastic trial and error. Maybe the vectoring device could be used on one of your rc boats. Eliminate the need for trying to move in so many directions. It's a good work in progress.
Excellent videos bro
I would like to see some more attempts I'm extremely confident it's possible with the right material or even a different design! Sweet video and skills though!
That's how my week started...
You had me unexpectedly LOLing at the "statistical ratio" of your flight outcome probability... you had me wheeze laughing at the maiden-nose dive. Interesting video. +1 sub. I'll keep an eye out for future videos. Good humor!
also, if you don't mind me saying, I think to have that type of vectoring adapter work, you'd need to print two different types of material. Ridged and flexible sections in the same model (and print), depending on the needs of various points of the structure.
heres an idea! Print another one in PLA, but this time, run a steel-wire along the frame and cover it with some strong tape or glue to stiffen it up. hope for another video!
Very nice project even if it was a failure👍
You could try double material print with flex parts and rigid structure
Excellent
Love the humor. Nice work on the field MacGyver.