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Overunity Machines Forum



STEORN DEMO LIVE & STREAM in Dublin, December 15th, 10 AM

Started by PaulLowrance, December 04, 2009, 09:13:07 AM

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0 Members and 103 Guests are viewing this topic.

Omega_0

Quote from: captainpecan on December 28, 2009, 02:35:30 PM
What in your opinion did you do different, to allow that good of a run on such low current?  With my experiments, I am finding that if I use weaker magnets (ceramic) I can get a good run for alot less current, but the torque also suffers.  When I use the Neo's, mine is just current thirsty... I mean, I think I heard mine burp when I turned it off, lol....

You must increase the current until you see strange elvish writing in fire on the side of the coil, saying 'overunity' ...
I have more respect for the fellow with a single idea who gets there than for the fellow with a thousand ideas who does nothing - Thomas Alva Edison

callanan

Quote from: captainpecan on December 28, 2009, 02:35:30 PM
What in your opinion did you do different, to allow that good of a run on such low current?  With my experiments, I am finding that if I use weaker magnets (ceramic) I can get a good run for alot less current, but the torque also suffers.  When I use the Neo's, mine is just current thirsty... I mean, I think I heard mine burp when I turned it off, lol....

Hi CP,

The theory behind the operation is valid and so by using stronger magnets, smaller air gap and designing a toroid coil that saturates with as little current/power as possible you can increase the output power in torque significantly whilst reducing the losses such as heat in the coil and switching circuit. We have control of all of this so it is simply a matter of understanding it and using this understanding when building this motor. The only thing that is more difficult to control is the permiability of the core since most of us will rely of cores bought from a shop. But standard ferrite cores used for chokes appear to work fine.

To build an efficient motor of this type you must not use prewound toroid chokes that are of few turns/windings. One layer of thick windings will only result in a higher current input and great heat losses for less output torque. So this means you must wind your own toroid coils of thin wire but with as much turns as you can possibly fit in.

Please see the picture below of my coils with an identical unwound core next to it. I have wound as much turns of thinner wire into the core as possible. This can only result in the need for less input current to saturate the core. This is what I believe Steorn was trying to say in their statement about JLN's work. Less current, less heat loss in the coils and you are on the way to OU. The only way to do this is by winding more turns on the core.

Once you have done this then you are on your way. Then switching becomes of utmost importance for getting the input power down for the most rotor power output. The importance of switching lies both in the timing and pulse width and of course a low resistance/impedance switching circuit.

Regards,

Ossie


k4zep

Quote from: exnihiloest on December 28, 2009, 06:14:40 AM
When the magnetic field collapses, BEMF is generated. Recovering BEMF implies there is a current circulating in the coil. This current creates a magnetic field that opposes the change of the collapsing magnetic field.
When the collapsing field is due to the motion of a permanent magnet, it means that the field created by the current recovered from the BEMF opposes the motion of the permanent magnet.
There is absolutely nothing in Steorn experiment that would contradict theory and facts known from near two centuries.

Sorry Old Man, I'm not interested neither in personnal problems nor in psychology. I discuss science and experiments. Please keep apart irrationnal blah and beliefs.
I have built hundreds of setups in electronics. Even though some were very surprising, after analysing I have never found one against the laws of physics.
Neither pretty setups nor hard works are evidence of new laws of physics. We need proofs. We need experiments with accurate measurements. We don't need conventional motors working from a powerful charged battery as Steorn do it!

Hi EX 

A happy and prosperous new year to you too!!!

Respectfully
Ben




PaulLowrance

People should know that Steorn eOrbo has two magnets right next to each other per side, not one magnet.

hartiberlin

Quote from: PaulLowrance on December 28, 2009, 04:43:20 PM
People should know that Steorn eOrbo has two magnets right next to each other per side, not one magnet.

Yes, this way with a backing plate you can increase the attraction forces onto the ferrite core.
So you have N and S facing coming from the 2 magnets attracting the ferrite core.

@Ossie, well done,
try to switch your coils on for below tau=L/R time interval to save input power
and being able to recover at least a third part of it again.
The mechanical attraction forces are then for free.

Regards, Stefan.
Stefan Hartmann, Moderator of the overunity.com forum