A bit slow but it works just wondering about the oil for the chain.It’s fascinating material you offer to your audience.

very much for contributing.I admire your ability to perform complex tasks with simplicity, congratulations.

The blows to the hand are strong from the operation of the tool.some brass or aluminum K&S engineering tubing for the knife, a spring, use a plastic wheel and enlarge the hole while offsetting it so it goes in the motor.

And I can make all the other parts or source them from my vast collection of electronic parts i hoard. I could make 20 of them probably and have a speed controller soldered into it.

I need something that will chisel away capacitors im mining palladium off circuit boards fast.

The work you have done is very awesome but angle grinder is not so powerful to use for this machine.

make it elliptical and make hole in centre,it will vibrate twice per rotation and reduce vibration in machine.