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Author Topic: Coil Arrangement Question for reciprocation  (Read 1211 times)

Offline Ufopolitics

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  • Posts: 328
Re: Coil Arrangement Question for reciprocation
« Reply #15 on: February 01, 2022, 09:26:51 PM »
Here are just a couple of examples where we use magnets both poles, and even Four Poles out of four magnets...for Generators capturing waves energy from the Oceans...


Links:

https://www.researchgate.net/figure/a-Two-Sided-Flat-LPMG-b-Four-Sided-Flat-LPMG_fig2_336886386


https://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.550.5440&rep=rep1&type=pdf

Offline bistander

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  • Posts: 198
Re: Coil Arrangement Question for reciprocation
« Reply #16 on: February 01, 2022, 10:02:52 PM »
Ufo,
Notice in the article, it appears they went to the double air gap (single sided magnet) configuration. Meaning each flux path crosses air gap only twice, like I promote.
bi


Offline floodrod

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  • Posts: 365
Re: Coil Arrangement Question for reciprocation
« Reply #17 on: February 02, 2022, 02:23:47 AM »
Wow this is all such great info.. Thank you UfoPolitics and All others for taking the time. 

I am in the process of building a 2nd prototype for a device that creates strong and quick reciprocation, which was going to turn a shaft, when I came across linear generators while searching.  And it got me thinking...  I might build 2.  One to make a linear generator- one for my original plan.

Excuse my crappy paint markup, I was just organizing my thoughts with it.  But the linear device will be 2 iron core electromagnets from transformers currently (with plans to upgrade later).  A linear bearing based platform placed between the electromagnets which will have two 40mm x 20mm N52 Neos (one on either side.)

The flux field from Neo to Electromagnet extends to about 45mm, but at 30mm, the force is at the point where the neo sucks to the iron core in an unstoppable fashion.  So I am expecting between a 25-30mm throw.

Needless to say, the strategy is to pulse the electromagnets at the right timing on each side to repel the Neo to attract to the opposite transformer core (repeating).  2 hall sensors, 2 mosfets, and an ardiuno should do the trick.

My mind is telling me the main force being created (the attraction to the cores) takes no input power.  The only power I will need to input is pulses to weaken (or repel) the attraction on 1 side at a time until the flux from the opposite end can take over.

I never expect overunity, nor am I here- but if I can create strong reciprocation with as little input power as I can, this opens the doors to experimenting with flynns parallel path and such to get more efficiency from it..

So basically, my coil arrangement needs to be High Amps, as the electromagnets will be very Amp-Heavy, but minimal voltage.  So Thick copper coils..  And I can design and print the magnet carriage to mount whatever I need above and below.