.....as a simplified image and short movie of a gravity self-powered variable leverage proposal , at :
https://youtu.be/RCE_xM-f-Xs
...as a man-powered continuous gravity " crank " , playing at :
https://youtu.be/rMXurB0OisI
https://en.m.wikipedia.org/wiki/Wheel_of_Death_(Space_Wheel)
The next proposal is yours...
Al_ex