.....proposal , at : https://youtu.be/-9zcY1cE8YM
https://youtu.be/9hdN1xSJpKk
....has an excellent "starting point" ( an intended continuous gravity unbalance , due to a single rod...) , but a "questionable finish" , due to the electromagnetic commutation system ...so to obtain the "self" motion.
Al_ex
Hi, nice work. It should help me with my project. Thanks for posting. 8)