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Overunity Machines Forum



Muller Dynamo

Started by Schpankme, December 31, 2007, 10:48:41 PM

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Arthurs

#240
May 07, 2011, 11:40:00 AM
Hi Romero

Total use of several small magnets?
All are uniformly placed in the top of the rotor circle?

Thank you

neptune

#241
May 07, 2011, 12:18:00 PM
@Arthurs . Please respect that Romerouk is under pressure . Please read through all the thread and that will answer 99% of your questions . There are 8 equally spaced magnets on the rotor .Hope that helps .

woopy

#242
May 07, 2011, 12:34:56 PM
Hi Romero

how a lot of question and thank's so much to have this patience.

I am at my shop and doing the rotor. I would like to be very near from your config.

So I have a small problem. If i take some measurement on your set up and my CAD drawing, it seems that the spacing between magnets arround the disk  is not correct if i use 20mm diameter magnet on a 25 cm rotor disk.

On my CAD design or the rotor is 25 cm and in this case the magnet should be 25 mm diameter, or the rotor is 20 cm diameter and the magnet are 20 mm diameter

Can you please remeasure your rotor disk diameter and 20 mm magnet diameter.

( on the pix the black circle are the magnet 20 mm and the red circle are the coil with the 6 mm ferrite core  the rotor is 20 cm diameter. the wood rotor bottom is 25 cm and you see the 20 mm diameter magnet seems very small on this disk)

Many thanks

Good luck for the future ;)

Laurent

Arthurs

#243
May 07, 2011, 12:38:07 PM
Quote from: neptune on May 07, 2011, 12:18:00 PM
@Arthurs . Please respect that Romerouk is under pressure . Please read through all the thread and that will answer 99% of your questions . There are 8 equally spaced magnets on the rotor .Hope that helps .
I'm sorry, and thank you for answers!

void109

#244
May 07, 2011, 12:56:56 PM
I believe I read that he is using two hall sensors.  I also believe I read that we are trying to activate the pickup coils at TDC of the magnet.

Which of those two statements are incorrect?  Or both?  With a 9/8 ratio of magnets to coils, and only two hall sensors to set trigger points, I don't see how it is possible for each of the coils to activate at the same relative position to the nearest approaching magnet.  Looking at the CAD drawing woopy took a photo of illustrates this.

Wouldn't it be the case that each coil would need its own hall sensor?

Thanks Rom!
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