.....as a concept , with some old , compound applications / distributions , at :
www.lowtechmagazine.com/2013/01/mechanical-transmission-of-power-stangenkunst.html (http://www.lowtechmagazine.com/2013/01/mechanical-transmission-of-power-stangenkunst.html)
.....and with a new , simple application , at :
www.geocities.ws/iacob_alex/Some_Drafts/text013.jpg (http://www.geocities.ws/iacob_alex/Some_Drafts/text013.jpg)
So , you can play a continuous asymmetric / unbalanced gravity "wheel" ...
Al_ex
.....so to transmit mechanical movement up to four kilometers , or as a lifting rod system that runs vertically up the mineshaft , at :
https://en.m.wikipedia.org/wiki/Flatrod_system
So , it's easy to test a minimal spare parts arrangement , as a possible gravity (self...) powered rolling variable leverage . at :
www.geocities.ws/iacob_alex/Some_Drafts/text015.jpg
Opinions cannot survive without some of our old indecisions...
Al_ex