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Overunity Machines Forum



Working Magnetic Motor on you tube??

Started by Craigy, January 04, 2008, 04:11:39 PM

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0 Members and 39 Guests are viewing this topic.

Omnibus

Speaking of additional experiments which can be done by those who have the rotor now, while waiting for the rest of the parts to arrive (I don't have the rorot yet) is the following. Attach the rotor to a DC motor, spin it at, say, 400rpm and measure the current and the voltage. Then spin the same assembly at 1200rpm and again measure the current and the voltage in the course of, say, one hour to get the energy. This experiment will give us roughly the Joules needed to maintain the observed rpm after the effect kicks (the effect of producing energy out of nothing) in the actual experiment. Of course, we can then compare this experimental result with calculation of the kinetic energy using the moment of inertia of the disk.

Dyamios

Quote from: Omnibus on January 12, 2008, 11:06:06 PM
Speaking of additional experiments which can be done by those who have the rotor now, while waiting for the rest of the parts to arrive (I don't have the rorot yet) is the following. Attach the rotor to a DC motor, spin it at, say, 400rpm and measure the current and the voltage. Then spin the same assembly at 1200rpm and again measure the current and the voltage in the course of, say, one hour to get the energy. This experiment will give us roughly the Joules needed to maintain the observed rpm after the effect kicks (the effect of producing energy out of nothing) in the actual experiment. Of course, we can then compare this experimental result with calculation of the kinetic energy using the moment of inertia of the disk.

Except DC motors aren't nearly 100% efficient, especially when used as a generator. It would be better just to calculate the rotational energy in joules the rotor has at 1200 RPM's and then, using the time it takes to spin down, calculate the friction being imparted on it.

Then you use the calculated friction (in joules), and use that as the amount of energy it would take to keep the rotor spinning at a constant speed (seeing as the friction is what slows it down; by adding the same amount of energy, it won't lose speed).

Omnibus

The calculation isn't as straightforward as you present it, although roughly it can be done. What you describe is approximately what I had in mind. As for the experiment which will give us a better idea for the effect, I'm not going to use the motor as a generator. I will mount the studied rotor onto the DC motor and will apply electric energy to the motor to spin it. The energy per unit time to spin that assembly at 400rpm will be the product of the current and the voltage I'll measure. I won't even need to correct it for the energy of the free spinning (without the rotor mounted) because I'll do the same measurement of the current and the voltage at 1200rpm. It would be interesting how the calculated and the experimental effect compare as well as the rough estimate of the energy produced out of nothing in th course of claimed 71/2 hours. Hope it's clearer now.

Dyamios

I guess I read your post wrong... its getting a bit past my bed time here  :P

That makes more sense. Still though, it wouldn't hurt to have the efficiency curve of the motor so you can help calculate waste energy vs. useful energy. After all, permanent magnets, given that they can indeed rotate the rotor, won't produce waste heat as electromagnetics do.


Omnibus

Oh, no doubt about it. Efficiency curve has to be measured. Would be curious to see your details for such calculation of the waste which at different rpm will be different, of course.