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Here's next week's video, early for Patrons. I've been thinking about this for a while - the bendy tank. It'll probably get a V2 at some point in the future though.

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Bendy Tank - PREVIEW VERSION

What about if we could make a bendy tank track that bends to steer? It's a bit like a conveyor belt in a sushi restaurant which bends around corners. These conveyors are commercially available, but normally have fixed curves, so how can we make the tank track bend either way to steer? 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

Kai Laborenz

Would be nice to see a v2 with some more bending, more trail fitness and a rc ...

william fordon

You're going to need to fully constrain every link of the track in the flat sections to match what those conveyor systems can do. They should self-constrain when going around the drive and idler, but adding in I think this one is a dead end unless Simply Bearings sends you like 500 bearings and you add in 1 or 2 more of the geared pivots to the middle. Adding in slots on every pivot section to guide the tracks around the bending section should provide a smoother guide than you can get with the 2 pivots in this version.

XRobots

There are around 50 link segments, so that's only 100 bearings, and the commercial example only had bearings on every other track segment. I think just shaping the track in the places I have now, but having an 'outer layer' outside that for driving on should work.

Neil Devonshire

Nice. I've driven a mini-BV amphibious vehicle (BandVagan 206), and I should imagine this would be similar, although not amphibious... Yet? The BV has a 4 track drive system with a driveshaft connecting the front and rear drives. These really work well for travelling up and down extremely steep slopes that tanks would struggle with