I was going to post this!! but forgot
this guy is great and this is his best one yet - watch his other vids on trebuchets
(, Sun 4 Oct 2020, 20:43, Reply)
I'm watching the diy anti-lock braking system he did.
He's obviously a better mechanical engineer than I. I hate him.
(
cowcat Bituminous squeegee, Sun 4 Oct 2020, 21:43,
Reply)
I liked that, although the serious bike people would pay good money for the upgraded stepper motor version
(, Sun 4 Oct 2020, 22:22, Reply)