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Here's next week's video, early for Patrons. This one goes out publicly on 5th Jan 2021.

I'm attempting to make some more assessable content with wider appeal, and make some small format changes to the videos. I'll still be doing serious robotics though - the week after is making openDog V2 map its environment with ROS and an Intel Realsense tracking camera all being well.

Files

Previews only

Why this Screw Drive is Really Weird

Will an Archimedes Screw work if the screw stays still, but the tube it's in turns? I set out to find out what happens, and I also looked for other commercial uses for this application. I 3D printed my screw which worked really well without any support material. After that it was just a matter of testing the Archimedes Screw drive to see what would happen as the tube was rotated in various ways. Initial results looked good so I went on to motorise the screw drive. Tom Scott's video: https://www.youtube.com/watch?v=-fu03F-Iah8 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 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

Awesome. I can’t think of an application where the tunnel moving rather than the screw would be more useful but I’m sure there are plenty and besides, it’s different :) I’m eventually wanting to do some marble runs with different mechanisms myself but in wood of course! Good to see this type of broader appeal project too, will definitely see 1 million subs this year :D

XRobots

worth a look at the Tom Scott video I linked to - looks like it's in wide commercial use.

Thomas Coley

I like the change in format. Is it easier to produce?

XRobots

I think it depends on the project. There are certainly less outtakes because I'm trying to talk and make the thing work at the same time.

Dean Edis

Great video! The extra nuggets of info like the brand of motor and type of printing material are really helpful.

Thomas Coley

It reminds of something I was playing around with last year. I was trying to make a kind inside out ball screw that could be 3D printed, I'll send you a pic if you're interested.

Scott Cress

What I like about this format is that it can be cut down into a shorter format that would work for YouTube Shorts or even TikTok. Keep up the great work! Looking forward to next weeks episode.

XRobots

Good idea, thanks. I've been putting some re-edits of old videos on Facebook, but it's quite a lot of effort.

Scott Cress

Quick bites for easy consumption. You shouldn't feel the need to match it. Just understand the principle, if you're going to make videos like that.

Scott Cress

Second to the length is a form of suspense, even if it seems obvious or you've already shown the completed project at the start, wait for the last 10 seconds of a 60-90 second video to reveal the whole thing fully working.

XRobots

I think I want to keep my watch-time minutes up, but it I may do a complication of all the pieces at some point.

Anonymous

wow, too bad its PLA, that would sand so smooth with ABS

Anonymous

odd-ball invention. ;]

Eric lamb

I think I asked you this already, but I forgot. Where do you get your long XL timing belts? I'm having a hard time finding long ones that aren't cut.

Andrew R Gross

I think it's amusing that you pursued this when you doubted its effectiveness! If you're looking to broaden appeal, here's my two cents: Two things I love on this channel are 1) Design solutions which are alien before you mention them but feel almost obvious after you do and 2) Sci-fi concepts made real. Examples of the first include the use of ball-screws to move limbs, or backdrivable motors, or often the coupling of sensors and motors. Examples of the second include the exosuit, the Bat-board, Ultron, Sonic, etc. Broadened appeal might be achieved by reducing the time spent explaining code and increasing the Wow-factor on demonstrations. I would be cautious about assuming that if something like Ultron doesn't make a splash it's because people don't want big, AI-driven animatronics. It might be an issue with presentation. Either way I'll keep following this channel and showing it to friends. This is my favorite channel.

XRobots

Thanks Andrew, I'm going to be trying a few different things and seeing what sticks.

XRobots

That was the fastest motor I had that was suitable, I may do some more experiments.