Confirming the Delayed Lenz Effect

[gyulasun]

Hi synchro1,

What you quoted from Skycollection youtube comments, I had quoted exactly the same text in my Reply #902 two posts above.
I do not see any sense to mention his measurements in connection with his present video in question, however close his present setup is to his earlier experiment.

What you mention on the speed of the ball sounding like it is accelerating: exactly this is where the input power draw should be checked.  Not only the rise in input (if there is rise) but the total input is to be checked, together with the total output power measurements on both output coils.

And as I wrote, LED lamps as loads are misleading, power resistors should be used which continuously draw power from the outputs, not during the peaks of the waveform like LEDs do.

Gyula

[synchro1]

"Zero Lenz Dynamo" from Zerofossilfuel:


http://www.youtube.com/watch?v=i-dhIK2ozz0


My "Spiral Knot Tesla bifilar" is a "Lenz advantage" configuration output coil.

[MileHigh]

Guyla makes excellent points.  When you change the LEDs for a resistive load, then ideally you will have a True-RMS multimeter to measure the voltage.  Actually you must have a True-RMS multimeter.  You simply measure the load resistance with your multimeter before you attach it to the pick-up coil so you have a more accurate value for the resistance.  Then you measure the True-RMS voltage across the resistor and do the calculation for the power.  So essentially it's just one measurement while you run your tests.   At the same time you measure your input power and compare the two.

An exercise would be to check what happens if you change the load resistance.  For small, medium and large resistance values, what trends do you see in the measured power output?  Can you explain why this is happening?

Another exercise would be to put one scope channel on the pick-up coil voltage.  That's your timing reference.  Then put the other scope channel on the signal that fires the main transistor that energizes the drive coil.  If you have a moveable Hall sensor to control the triggering then you can observe how moving the Hall sensor changes the timing of the triggering.  So by moving the Hall sensor around you can change the phase and duration of the transistor firing pulse and see it in real time on your scope display.  At the same time you are assuming that the ball (or rotor) is speeding up and slowing down and you can use your scope to measure the frequency.  You can try to find the sweet-spot place to put the Hall sensor for the sweet-spot timing, for the phase and the pulse duration for firing the transistor, to give you either the maximum RPM, or the most efficient RPM.

Another trend line has to do with the input power vs. RPM.  The higher the speed the more you pay in terms of air friction.  So the "watts per RPM" must go up as you increase in RPM.  Can you measure it?

I have read Skycollection's comments over the past two weeks and he states several times that he is only doing demonstrations and not serious measurements.  If you have a scope and a True-RMS multimeter and a pulse motor, you can indeed make some serious measurements to define the performance characteristics of your motor.

[synchro1]

Skycollection new zero lenz coil:


http://www.youtube.com/watch?v=l8iRrmxJcYg

[crazycut06]

Skycollection new zero lenz coil:


http://www.youtube.com/watch?v=l8iRrmxJcYg

I don't understand why he always say his coils have zero lenz, as you can clearly hear deceleration when he approach the gen coil to the rotor...