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...I wasn't sure so I built one.

It's next week's video, early for Patrons!  This one goes out publicly on Tuesday 30th May.

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Caster Bike PREVIEW VERSION

Can I ride a bike with a rear caster wheel? will it just spin out from under me, will it be fine, and will I be able to drift? I used a 1000W from E-Bike wheel because I won't be able to pedal anymore, and made the rest out of wood, steel and 3D printing. You can support me on Patreon, join my Discord, or buy my Merchandise: *************************** Discord: https://discord.com/invite/fc6MedG7eW Patreon: https://www.patreon.com/xrobots Merchandise: https://teespring.com/stores/james-bruton *************************** Other socials: *************************** Instagram: https://www.instagram.com/xrobotsuk Twitter: https://twitter.com/xrobotsuk Facebook: https://www.facebook.com/xrobotsuk/ *************************** Affiliate links - I will get some money of you use them to sign up or buy something: *************************** 10% off at https://www.3dfuel.com/ - use code XROBOTS at the cart screen. Music for your YouTube videos: http://share.epidemicsound.com/xrobots *************************** 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

Comments

Steve Coleman-Williams

It reminds me of the scooter that i see kids have, similar to this only 2 castors at the rear at an angle - the control is all in the core muscles - wonder if that would make it easier?

XRobots

Two back wheels would make it easier to stay upright, but maybe not so interesting to watch ;-)

tephlon

You need to build a PTZ system for your camera, with a vision system controlling it, so it will automatically keep you in frame while filming dynamic shots like this. Cool project, I was surprised that 1. You were able to tame it and ride as long as you did! and 2. the plastic triple clamps held up and the metal tubes were the failure point.

tephlon

Thats an awesome project! I remember you building the nerf turret on opendog, but I had somehow missed your camera motion rig build. I wonder if the "motion sickness" would be less of an issue when filming outside, because the subject being filmed is so much further from the camera. Love your projects, keep up the great work! :)

Nathan

It would really help a lot if the main load (you, thus, the standing deck), was applied slightly below the level of the axle of the caster wheel. I think your caster wheel is just barely large enough for this. You'd just need a bent metal shape in the back to bring the lower deck height back up to the right height to attach above the caster. Also, if the mounting angle of back wheel had a bit of tilt, opposing the tilt of the front wheel, then it would track much better I think. Just like having the front wheel tilt forwards helps it track better. Both changes only involve changes to the geometry of the frame, so you wouldn't need different parts. Also, as I'm sure occurred to you, having a rear brake (as scooters generally do) would help with stopping. Good luck!

the AC

I'd imagine it would be easier (and safer) to lock the caster wheel on launch until you get up to speed. Otherwise you've essentially made a bike with two caster wheels, only one of which you can marginally control. In lieu of that, I also wonder if it's worth creating a skid plate on the side of the platform to stand on until you gain control speed. It would probably just get in the way, and you seemed to be able to mount it just fine at launch.

the AC

I figured getting up to speed was the important part to dissuade the caster from going nuts. Anything else is chaos.

Jake Coogle

I came here to make this comment too. They're called "ripstick" here in the US. When you ride a ripstick you intentionally create a serpentine motion or it becomes unstable like the scooter does in the video. On a ripstick the power is actually generated from pushing the back end side to side though and both the front and back casters essentially just come along for the ride so I'm not sure how it would translate to a powered wheel. The other thing that seems tricky about the scooter version is that you're trying to stay upright with the handlebars. On a ripstick you have to move your center of mass around to stay up and wouldn't be able to keep your torso in a fixed location. And worth noting that the ripstick will randomly become completely unstable and send you flying off it even if you do know how to ride it, lol.

XRobots

So two wheels in line - I thought Steve meant two casters at the back and a bike at the front so it just drifts.