Building a Big, Dual Weaponed Combat Robot - Derive Part 1 

Love this style of video! And, thank you so much for making your cads available. I love downloading them and seeing just how inadequate my own cad skills are 😂. I don't know about other viewers, but I would love to see an in-depth "It was broke, here's how I fixed it" style video where you spend ~30 minutes talking about how you fixed an issue like the chain skip issue you had at 16:00. Algorithm?

Reminds me of big dill or Terrortops from battlebots. You can have redundancy of the weapons and maybe cause more unpredictability for the opponent as well. Good design and great video.

Let's go Lifter/Spinner gang! Best of luck with this design!

Some of the best combat robotics videos on youtube, love it.

10 mins in, what is that musical madness ?!?!

loved the shot of you taking a ride. world class

masterclass in ME and robot design, keep it coming

Great video and Bot, also love your approach putting your CAD out there to help others 🤟🏻

Keep 'em coming James!!

You have got best engineering skills, your cad as well as manufacturing knowledge is awesome!!

Might be worth noting that under significant enough shock the resistive force between fastener joints can fail catastrophically, best to dowel or key if possible.

Excellent explanation. Great work, very interesting 🎉

Great video as always. Keep up the good work. 🎉

great video, such a cool build

Ah, thought it was going through your garage door when you got it rolling 😉! Awesome documentary, thanks for sharing!

Really nice content!

8:10 Great. Now I want to play Super Mario Sunshine again. Thanks. 😅 Love your design videos, man. Keep 'em coming!

Awesome work

Beautiful!

I like where this is going. 👍

6:50 How did you structure your CAD file so that you can do such a drastic change? I usually try to do a top down approach as well but any change like that would mean a complete redesign for me.

When bending uhmw I found that if you run in under cold water while bent into position, it will hold its shape permanently. Hardox is hardened all the way through, not just case hard. It's hard but still tough.

Damn, good video

Hi thanks for this, brilliant build and video skills you are a very tallented guy 👍

i love this!!!

I like

I'm not 100% convinced about the serpentine belt drive. With your previous design (one driven wheel, one by belt), at least if the belt-only wheel/sprocket was damaged, the belt was damaged, or things got shifted and the belt lost tension, you would still have the driven wheel working. In this setup, if the belt, idler pulley, drive pulley, front wheel sprocket, rear wheel sprocket gets damaged, you lose that entire side. Even if the robot just gets bent a little, the belt may lose tension and slip. The wheels and pulleys are also only mounted on one side, so potential for a bolt backing out just slightly could cause the entire system to lose tension, even if otherwise it was still operational. It will be interesting to see how it performs, especially against undercutter style horizontals.

you got this win melbon (spelt wrong idk the right spelling)

Please PLEASE do a video on your grabcad 150 gram derive

2:50 hmmm not sure about the weight comparison... My feather drive (a shameless copy of Glen's drive) is 450g per side including motor, gearbox and a wheel. Edit: sorry I misheard, thought you said the gearbox was 450g my bad

Are you going to make an omni wheel drive robot with an egg beater like Riptide and linx?

this just my own opinion but i prefer the sound of the machining thant the music you put over it.

Noice