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Overunity Machines Forum



Has anyone seen Lasersabers new motor runs on 1000uf cap

Started by Magluvin, May 25, 2013, 03:49:05 PM

Previous topic - Next topic

0 Members and 16 Guests are viewing this topic.

hoptoad

Quote from: Magluvin on June 08, 2013, 10:59:08 PM
snip....
I have a an idea that there is more efficiency in numbers of coils and magnets as compared to 1 driver coil on a rotor.
snip....

Let's assume you have one (air core) coil with a DC resistance of 8 ohms.

Instead of putting 2 times 8 ohms in series, which will obviously half the maximum current consumed for the same supply voltage, due to the doubling of resistance to 16 ohms, try putting 2 times 4 ohms in series.

In this way the total dc resistance of the drive circuit is the same, and theoretically, so is the inductance.

With 2 less variables changed, in the context of trying to compare whether 2 (or more) drive coils are inherently better than one, such a test is more akin to "comparing apples with apples", so to speak.

Cheers

Pirate88179

Quote from: Magluvin on June 08, 2013, 10:59:08 PM
Hey Bill
Well, nobody is saying OU yet. Considering the total ohms of the coils, one can calculate the current flow through the coils if they were only depicted by resistance alone. Then we have most likely huge air core inductances in series. Im gunna have to build it. This needs to be looked at with a scope for sure. Were looking at things in the very very low micro amps here. No need to assume any extra energy, just very little use of it. As I said in an earlier post, I have a an idea that there is more efficiency in numbers of coils and magnets as compared to 1 driver coil on a rotor. If it is correct, then what would happen with 24 coils, 48 coils?  And just all in series as shown. 48 coils would be 80kohm. But from what Im seeing, 48coils would do better. Then 96 coils, more mags also as we increase the number of coils. It doesnt even have to be a larger rotor, just stacks possibly.

Lol how much less can the current use get if 24 coils were used? Or 48? And still have motor action? It will be nano scale. That rotor output needs to be measured somehow. If at 24 or 48 coils it can still work against the drag of the straw, this will need some serious looking at. ;)

Mags

Mags:

OK, I did not mean OU at all.  Poor choice of words on my part...instead of "extra energy"  I should have said "additional energy".  I simply meant that possibly radio waves were adding to the efficiency of the rotor is all.  As I said, it would not take much to aid in keeping that cap a little juiced.

Anyway, it was just a thought.  Most likely it has nothing to do with it.  All those coils with that fine wire just reminded me of a crystal radio antenna is all.

We will see.  Good luck with your replication.  I wish I could make a nice 3D printer.  Those things are the machines of the future I believe.

Bill
See the Joule thief Circuit Diagrams, etc. topic here:
http://www.overunity.com/index.php?topic=6942.0;topicseen

Magluvin

Quote from: hoptoad on June 08, 2013, 11:47:09 PM
Let's assume you have one (air core) coil with a DC resistance of 8 ohms.

Instead of putting 2 times 8 ohms in series, which will obviously half the maximum current consumed for the same supply voltage, due to the doubling of resistance to 16 ohms, try putting 2 times 4 ohms in series.

In this way the total dc resistance of the drive circuit is the same, and theoretically, so is the inductance.

With 2 less variables changed, in the context of trying to compare whether 2 (or more) drive coils are inherently better than one, such a test is more akin to "comparing apples with apples", so to speak.

Cheers

Your right. no need to just have high ohms to experience the gain. The Bose 901 speakers were 9 small speakers 1ohm each in series. If I remember they were 4in drivers. But it sounded like a lot more than what you see. ;)

The comparison would be simpler to just check the rotor rpms with one coil compared to 2 coils in series with the same input.  Im setting up the experiment right now using 2 coils. Will see what happens. ;)   They are not 1.7kohm coils. lol But like I said, it should work either way..  My electric bike hub motor uses 52 coils and 52 neos bout 1/8x1/2x1 and puts out near 1 hp. I cannot even think of that much mechanical power coming from a single coil motor.  ;) The huge coils and large magnets to do so would not be convenient nor sightly. :o ;) My bike motor is not an exact configuration but just an example. It has side by side magnets and EZ doesnt. Would like to see EZ with 12 mags filling in the spaces between the existing ones. If it is a reed switch timing issue a small bias magnet can be used on the outer end of the reed so that it only fires on the N mags. Works very well and can help fine tune the timing. Reeds are strange buggers. Here is a vid I did long time ago where using just a small drill bit I could reverse my rotor, which was a diametric neo mag. Start at 1:00 to 1:20 and then to 2:30 into the vid to get right to it. ;) Or you can watch the whole thing. Its old.
http://www.youtube.com/watch?v=qYgs7dvyZqc


One really must think about what running that motor on 1ua really means. Look at it. Watch it. See what he does with it. An LED is typically 20ma. This is 1ua. And just imagine taking it steps further. ;)

Mags

Magluvin

Quote from: Pirate88179 on June 09, 2013, 12:27:49 AM
Mags:

OK, I did not mean OU at all.  Poor choice of words on my part...instead of "extra energy"  I should have said "additional energy".  I simply meant that possibly radio waves were adding to the efficiency of the rotor is all.  As I said, it would not take much to aid in keeping that cap a little juiced.

Anyway, it was just a thought.  Most likely it has nothing to do with it.  All those coils with that fine wire just reminded me of a crystal radio antenna is all.

We will see.  Good luck with your replication.  I wish I could make a nice 3D printer.  Those things are the machines of the future I believe.

Bill

Hey Bill

I think its a matter of more coils. Even though in series as the energy use decreases compared to 1 coil, the spread of all those little energies over the span of the rotors edge can account for more rotor motion than if that same total input energy was just focused on 1 coil alone acting on 1 magnet alone.  Makes sense and we will find out if thats the case shortly. Im doing a comparison of 2 series coils vs 1 coil. From my speaker analogy, the 2 in series should make the rotor go faster than the 1 coil while the 2 use half the input of the 1. And if thats the case, then 4 coils using 1/4 the input of one should produce even more speed that 1 or 2 coils. Will be weird if it is so. How far can we go with that. :o

Mags


Magluvin

Quote from: Magluvin on June 09, 2013, 12:40:05 AM

An LED is typically 20ma. This is 1ua. And just imagine taking it steps further. ;)

Mags

I did some tests a while back. I used 'glow powder' which can be used in paint to see if it would power a solar cell after being lit from UV leds. The glow powder if hit with light for 2 min will stay lit over a period of 8 to 15 hours. From my tests, this would power that motor with more than 1ua at the voltages it can run at. Ill have to see if I still have that stuff.  My goal was to light the powder on the surface of the cell and then let the cell charge a super cap or battery enough to run the 2 min light cycle again. I wasnt into the JT at the time and that may have made a difference. Will have to see if the glow powders have been improved since.

Mags