jonescg

No, but it can buy carbon wheels which would get me back to the 205 kg mark, which is manageable. One of those unobtainium motors and 20...

Yeah, fast, lightweight, long range. Pick any two...

OK How much does Voltron weigh? O P Atlas is apparently weightless - no reply at all.

With the 6 kWh LiPo battery it was 175 kW at the wheel, and 214 kg race-ready. The new battery will probably make it 220 kg, but have...

Looking very promising guys! Building a fast custom race bike is hard, but not impossible. Ducati MotoE bike is impressive, but I'm...

Without derailing the thread toooo much :) The gunpowder needed to be ultra fine for it to burn as quickly as possible (aka explode)...

We used to make gunpowder (KNO3, S, C) and rocket toffee (KNO3, Sucrose) using coffee grinders and ball mills. The ball mill ended up...

If it's helpful, back when I worked at Honeywell CFSG, there was a project in engineering (where I was visiting a coworker; I worked on...

I did this work almost a year ago following a conversation with Luke (LFP) who mentioned he was working on endothermic fillers that...

Great research mate! I'm going to be doing a PCM (phase change material) battery and testing it in a very similar way. Not to prevent...

This is awesome! Thanks for posting this PaulD! edit: I just added a link to this discussion in the "Battery stickie index" in the...

If you would even post the link to the page you bought it from, we could *start* helping, but since we don't even know which specific...

Yeah, the kicker for me was, if I opt for the lighter, shorter-range, but less powerful option, I might as well swap the motor out for a...

So the spacers all worked out - just need to get the new sprocket made. If I move to magnesium or carbon wheels the weight savings will...

Update: 18650 cells are sold. Ebike battery and pouch cells still available.