This the ground idea to this.
An inch stick. One end against the wall and put a cm in the other end...
I have written incorrectly in the description of the wavy shape of the yellow and blue illustration. It should be top in the blue and lower in the yellow at the outer edge one cm difference and towards the center to zero difference. I hope I describe it right now.
The thaugt about this generrator is that it should drive it self "self-propelled machine" charge a battery and give a little more then it need to propell. The idea may is a litle crazy. Not remember the therm but in the fysics it say that the energy can not be more then you ad. Somewere is that maby trou but i try to think thro sayd norms. One i us is. Two flashlighters turned away from each other the light beam <-- --> how fast does the beams peak increase in distance? A other that i heard that Alfred Hitchcock used. A train is running fast, a light beam sends from the roof to the flor, the light beam goes then little in a angle \ but in the same time as stright down I . Think about this...