Brutal Suplex and Lighting Speed - Combat Robot Derive S Part 1

A revision of Derive, my featherweight battlebot that recently won the Open Nationals. Now rebuilt for the Sportsman division it trades the spinning discs for a grabber-lifter mechanism that throws opponents over and backward. Upgrade drivetrain and new control scheme should allow Derive S to out-manouver and flip any opponent.
Derive is a Featherweight Combat Robot in the 13.6kg weight class that competes at the Robowars events in australia. If you're interested in combat robots, check facebook groups, there is likely a club near you!
Music: Phrenic Phever from Homestuck Volume 6

[@BrokenLinkRobotics]

If you're interested in more sportsman featherweight content, Razer259 will be making a video about his new robot in the works for the same competition as Derive. His channel is linked here: www.youtube.com/@razer259

[@gtdgabriste1]

Bummer... I was already subscribed... and here I thought you had a lead on a new builder for me. 😢

[@razer259]

Thank you so much! I can only hope I don't disappoint. 😅

[@richfromtang]

Why is your voice so quiet? Can't hear anything you're saying

[@trainboyplus2652]

Can you please do a video on the 150g derive? That would be awesome, I printed it from your grabcad but do t know how to set up the lifters n20 motor to act like a servo…

[@BrokenLinkRobotics]

It doesn't act like a servo. Just runs like any other N20, I stall it at the end stop.

[@fredox999]

Percussive maintenance at its finest.

[@Joe_AK]

I really love these videos. It's great to have such a detailed inside view of a hobby that I wish I could take part in. (If only I had the skills, tools and space!) Please keep making them so that I can keep experiencing it vicariously. Good luck with the next competition.

[@gtdgabriste1]

You, too, can build a bot. Tools are nice but not needed these days with mail order machining and 3d printing. You can make a bot at home with hand tools and duck tape too. It will likely lose when up against a machined bot, but it can be done and can still be fun. Don't let tools be your excuse. There is nothing wrong with living vicariously through channels like this, but you don't need 100k in tools if you really want to make a bot.

[@bami2]

Look at Ben from Team Panic, for years he made tons of bots with basically a cordless drill, a soldering iron, some screwdrivers and a saw. Add a 3d printer to that and you can build a lot of stuff. Especially if you stick to a category called "Plastic Ants", which are antweight (1lbs in the US, 1/3rd lbs in UK) that are made entirely out of plastic aside from the bare essentials. If you want to get started, multiple companies make kits that all you need to assemble is a screwdriver and maybe a soldering iron, and there are some aimed at absolute beginners like the new line of bot kits from team Witch Doctor.

[@timgoodliffe]

i have access to mills and lathes at work too bad they cant be used for personal projects ahaha, my only barrier is cost now

[@BrokenLinkRobotics]

Start with antweights. A lot of fun and easy to make. Beetles can be competitive too with just hand tools.

[@Joe_AK]

​@@gtdgabriste1Fair enough about the tools, but the space and skills are still a big issue! Maybe one day when I'm not in a flat I'll be able to give something like this a go and learn the basics. In the meantime, it's nice to watch someone do a really good job.

[@subashkavinda445]

Great Content Bro

[@HuskyMachining]

i love seeing tbe whole process! thanks

[@TheGrinningViking]

I had an idea once - a hollow metal sea urchin that moves with a gyroscopic motor inside. It's would attack by charging capacitors mounted to the inside of the shell. The second two adjacent "spines" touched something electrically conductive it would arc badly enough to cause scorching. The ball would be too big for crushing jaws to reach and unexpectedly slippery (you bet your butt I would grease anywhere that could be grabbed) and have high thermal diffusion because of the many long thin spines. (Titanium if I could manage it, but ya know, budget.) A real killer against anything not electrically shielded, real hard to grab, impossible to flip in any way that mattered. Too dangerous for humans though. If the capacitors didn't discharge properly It'd be unpredictably deadly with no real warning. 10/10 automatic win against anything not well electrically shielded, 0/10 should actually be attempted ever.

[@Eric_Wolfe-Schulte]

Not to mention against all rule sets I've ever seen, but love the idea!

[@hilaryhinde2884]

Excellent, clear, and articulate. So good.

[@evancookaudio]

"if you would be so convinced", please, my sides. excited to see your results with the new setup. looks killer

[@andrecook4268]

So less weight on the forks means less grabbing force, interesting *takes notes for weekend*

[@TheDistur]

That thing is a beast

[@jesseb0rn51]

Small tip for dealing with the alu glaring: use a ND Filter while filming

[@BrokenLinkRobotics]

Will look into it

[@gtdgabriste1]

Minor adjustment ensued.. 😂 Have you come across a 3lb equivalent to those skateboard motors? The idea of ditching the gearbox weight is appealing to me, but im still in the three pound range. If derive were 3 lb, what motor/gearbox would you start with? Also, any chance of a cad file for that lifter arm?

[@BrokenLinkRobotics]

@gtdgabriste1 yes, some large low-kv outrunner should would work. Such as SunnySky X2212 v3 980kv, especially if running an AM-32 ESC

[@BryanBBryan]

Love your vids. Don't know shit about robots, but what if you added some fine sand to the rubber mix you use for your tires? I'd imagine that would add better grip.

[@BrokenLinkRobotics]

Hmmmm will have to think about that. Might do...

[@RennieAsh]

LlamaClawSheenViper

[@overmatchrobotics]

new video time to stop whatever i'm doing

[@christiaankritzinger4268]

Fiiirrrsssttttt🎉

[@kiml42]

As this is using three gears in parallel instead of one thicker gear, would there be any advantage to offsetting each gear a third of a tooth, so they aren't all in phase with each other?

[@BrokenLinkRobotics]

@kimi42 not sure. Might be stronger, but you'd need to ensure the gears are axially aligned

[@MrRedstoner]

Poor mans helical gear, except you need to either keep it extremely well aligned or shave some material off to tolerate worse alignment

[@NEWFOLD-tw7px]

can i upload yor videos about Derive and Subdivide to Bilibili? i think those videos are great and helpful to the CN combat robot community 😇

[@BrokenLinkRobotics]

@NEWFOLD-tw7px as long as you link back to my channel somewhere/credit, I'll allow it for those specific videos.

[@NEWFOLD-tw7px]

@@BrokenLinkRobotics that means i can? (sorry for my bad English)

[@BrokenLinkRobotics]

Send me an email (should be in the channel info?

[@bami2]

10:11 go and steal some bots! Could instead of removing the entire spinner assembly, maybe replace the spinner with a sawblade? Or is it just not effective since the blade would be mounted to the bot body instead of an arm like most spinner-to-saw sportsman conversions and would get bent after a good frontal impact?

[@BrokenLinkRobotics]

@bami2 definately could do, it's fairly common to compete open class robots with a saw blade swap. Felt that the grabber would be a more interesting challenge though.

[@surfacta]

is that an LTT screwdriver???

[@ThiccPhattChonker]

Amazing content keep doing it 🔥