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10-13-2015, 01:26 PM
 etherflow Junior Member Join Date: Mar 2015 Posts: 15
you forgot two half cycles have the same length in time.

it will rotate faster when far from axis. so, w does not

stay the same due to counterrotation of the half-flywheel.

half-flywheel has higher angular velocity when crossings the

longer path in the SAME time, that is, in other half of the cycle

when travelling near the rim. so, due to this geometry, no external

force is needed to gain apparently free energy and a net force.

Quote:
 Originally Posted by Ernst You are forgetting that when most of the mass is far from the axis, the whole will rotate slower than when it is near to the axis. THAT is "the LAW". Otherwise there would be an increase of energy in the system when the mass is at the far end. Remember the orbital velocity is wr (w being the angular velocity), then the kinetic energy is mv²/2 becomes mw²r²/2. So when r increases while w remains constant, the kinetic energy increases. Thus, to keep a constant velocity you must add energy when the mass-centre to axis distance increases, and you must put a break on it when this distance decreases. This externally REQUIRED force is the force that you thought to get for free.... Nice try though! Ernst.
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Last edited by etherflow; 10-13-2015 at 01:47 PM.