Variable arm heavy hub pendulum...

[iacob alex]

.....as a natural model ( suggestion for our forum...) , at :
     https://youtu.be/uGBANgbRkws
     Between others , it's a fundamental cosmic "mechanical clock".
     This time the swinging motion of a pendulum (classical mechanical clock) hand powered by a falling mass , is  substituted with a continuous ( self powered ) rotation of a variable leverage...
     Al_ex

[iacob alex]

.....playing gravity field and rotational inertia , as a "copy" of the Earth-Moon motion , can be tested with two masses ( Earth , Moon ) , a connection arm and a spring.
     Al_ex

[iacob alex]

.....can be a simplified concept of a possible gravity powered device , if we take into consideration :
     - a natural model at : https://youtu.be/uGBANgbRkws
     -some short sequences regarding heavy hub pendulum and variable heavy hub pendulum from :
                                     https://youtu.be/FQ02MjqBk7s
     -the free motion of a mass under the influence of gravity and rotational centrifugal effect ( on a surface...on a rotating arm of a variable inverted pendulum ) , as you can see at :
     www.feynmanlectures.caltech.edu/info/solutions/particle_on_sphere_sol_1.pdf
L
     So , we can test a pendulum with a "self" variable arm playing gravity fall and centrifugal out-in "run" on radius/variable arm (tangential acceleration and radial acceleration ).
     For a "common" pendulum , we add two temporary motion "storages" :
     -a heavy hub related to gravity in-out rotational motion
     -a spring on the radius/arm to play long arm/short arm , due to centrifugal "pressure".
     Simply : we play addition and substraction of the centrifugal effect , every half turn ...or "self" long arm-short arm rotating( ) pendulum?
     Al_ex