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I am really getting into the designing part of the sport.

Spent ages trawling websites like Robotshop, Dx.com, technohotsonline, eBay and Amazon. As I am working on a beetle weight is critical. I am also getting to grips with OnShape. I am able to model most simple things that a vendor has a drawing for. Motors, hubs, wheels etc. The built in mass calculator also shows just how much I save by narrowing a plate from 2mm to 1.5mm or drilling out holes. This is making the exercise ...

The wheels are fitted at least to the level I need now. M10 bolt padded out to ensure central and then washer and nut to clamp the wheel. It will do for my test bed.

Now I need to work on designs here are a few concepts I am playing with:

Code name: Evil K'Weevil
Weight: Beetle (could be scaled up)
Body: Flat
Drive: 2x2, any way up
Weapon: Core Cutter

Code name: Ali-grater
Weight: Feather
Body: Angled wedge to assist self ...

Still no luck finding a way to use those wheels. So I have ordered replacements with a slimmer bore. The original ones I actually found a really solid way to fit an axle but the drills wouldn't open wide enough.

M12 threaded bolt bar, wrapped with some PTFE, nut and washer each side was so good! Fitted brilliant on the wheel and so solid, would have taken an elephant to stand on my bot to snap or bend them. I am keeping them and perhaps I will find a way around the issue (I saw ...

It's damn cold in the garage. However a thick hoodie and a small radiator plus some enthusiasm means stuff still gets done, despite being able to see my breath outside.

After some soldering and bodging I managed to get motors hooked up, and have a kill/safety jumper built in the circuit. Also sneakily heat shrunk the soldered joints in the oven when my wife was out . Worked fine and done before the oven reached 125'C

Issues:
Speeds not matched (read up on programming ...