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Ornithopter 3 (Patreon)

Published:
2022-01-04 10:12:39
Imported:
2026-06
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Content

Here's next week's video, early for Patrons. This one goes out publicly on Tuesday 11th. 

Well it feels like I'm very nearly there!

Files

Previews only

Ornithopter #3 - PREVIEW VERSION

An ornithopter is something that flies by flapping its wings. There are various off the shelf kits available but I wanted to start from scratch and work my way through all of the development. Check out the previous video to see where I failed: https://youtu.be/XqPB6HIMAJk You can support me on Patreon or buy my Merchandise: *************************** Patreon: https://www.patreon.com/xrobots Merchandise: https://teespring.com/stores/james-bruton *************************** Affiliate links - I will get some money of you use them to sign up or buy something: *************************** Matterhackers 3D printing supplies: http://www.matterhackers.com?aff=7500 Music for your YouTube videos: http://share.epidemicsound.com/xrobots *************************** Other socials: *************************** Instagram: https://www.instagram.com/xrobotsuk Facebook: https://www.facebook.com/xrobotsuk/ Twitter: https://twitter.com/xrobotsuk *************************** CAD and Code for my projects: https://github.com/XRobots Huge thanks to my Patrons, without whom my standard of living would drastically decline. Like, inside out-Farm Foods bag decline. Plus a very special shoutout to Lulzbot, Inc who keep me in LulzBot 3D printers and support me via Patreon. HARDWARE/SOFTWARE Below you can also find a lot of the typical tools, equipment and supplies used in my projects: Filament from: https://www.3dfuel.com/ Lulzbot 3D Printers: http://bit.ly/2Sj6nil Bearings from: https://simplybearings.co.uk/ Lincoln Electric Welder: https://bit.ly/2Rqhqos CNC Router: https://bit.ly/2QdsNjt Ryobi Tools: http://bit.ly/2RhArcD Axminster Micro Lathe: http://bit.ly/2Sj6eeN 3D Printer Filament: http://bit.ly/2PdcdUu Soldering Iron: http://bit.ly/2DrNWDR Vectric CNC Software: http://bit.ly/2zxpZqv Why not join my community, who are mostly made up of actual geniuses. There’s a Facebook group and everything: https://www.facebook.com/groups/287089964833488/ XROBOTS Former toy designer, current YouTube maker and general robotics, electrical and mechanical engineer, I’m a fan of doing it yourself and innovation by trial and error. My channel is where I share some of my useful and not-so-useful inventions, designs and maker advice. Iron Man is my go-to cosplay, and 3D printing can solve most issues - broken bolts, missing parts, world hunger, you name it. XRobots is the community around my content where you can get in touch, share tips and advice, and more build FAQs, schematics and designs are also available.

Comments

Anonymous

Great progress James. Seems as though 3D printed parts (at least in PLA) may not be resilient enough for likely crash landings though - maybe you should switch to nylon or ABS

XRobots
>>74975977

I think maybe the structure could just be more solid now I've sorted out the wing structure to actually get lift. Still considering exactly how to do the next one.

Thomas Messerschmidt

Once you get it going right, it looks like you will need a bigger field! Have you thought about mounting a camera on it?

Anonymous

Since you have more room to move the motor back, what about doing a 3rd belt with smaller gears to provide the same gear ratio as the two stage? Could solve your belt slippage issue.

XRobots
>>75000763

I'm considering a belt and then some actual gear reduction which would make it more compact, and the gears would be going slower once there's already some reduction from the motor via the belt.

Anonymous

You've got great perseverance running in to as many issues and continuing to problem solve, it's really inspiring. I'm curious to see the next iteration. I wonder if providing some kind of joint between the sections of carbon fiber in the wing like a pinion joint in actual bird wings would help. Alternatively the Go Go bird looks great and there's a non-zero chance that pivoting the design entirely to mimic the Go Go wouldn't be easier to achieve steady flight. Good luck!

XRobots
>>75025899

Hopefully I'll get it next time - changing the wing structure seems to have been the main thing that made it work much better. I'm not sure how the GoGoBird would scale up - I might just stick with the two wings for now.

Anonymous

The miracle of birds being able to fly is of course that they come preprogrammed with really amazing active/dynamic control firmware. They usually just need a few quick calibration runs and then they're off to the races. I imagine it'd take a ton of effort, but I'd love to see how gracefully you could get it flying if you had an active control system and better physical control over the wings and tail, e.g. by adding feedback on the motor so you can do FOC with an odrive or similar, plus servos on the tail "bones" so you could adjust the twist and pitch of the tail for roll and pitch control. You may even find that the elevon mixing feature in your RC transmitter would work well enough as a first pass for the tail control.

XRobots
>>79831582

I think I'll be lucky to get it to fly at all, just waiting for some better weather before the next version.