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Author Topic: how close together can the magnets be?  (Read 3676 times)

Offline nitinnun

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how close together can the magnets be?
« on: October 30, 2008, 08:33:19 AM »
how close together can the magents be, before their magnetic fields conflict?

is it more efficient to have many small magnets and coils, or a few large magnets and coils?
(in a transformer, it is more efficient to have many laminated steel sheets, than to have one solid piece of steel.)


i can already hear the "test it yourself !" brewing on the horizon.
but i have a very limited budget for supplies.

so it would help if someone told me about what they have observed.
so that i'm more likely to realize my goals on the first buy around.

Free Energy | searching for free energy and discussing free energy


Offline Thaelin

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Re: how close together can the magnets be?
« Reply #1 on: November 06, 2008, 02:57:50 AM »
   On ferrite grade 8's the good rule of thumb is 1.5  times the side facing
the other mag. Now if you are using neo's, then you should maybe go 2.
You need to have a drop out of the field for the coil to transition in. You can
also alternate the poles on every other one and get them a bit closer.

thaelin
 

Offline nievesoliveras

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Re: how close together can the magnets be?
« Reply #2 on: November 07, 2008, 03:17:28 AM »
Hi!

@nitinnun
If you want a good information on everything about the bedini motor, check this link:
http://www.fight-4-truth.com/Schematics.html

Jesus

Free Energy | searching for free energy and discussing free energy

Re: how close together can the magnets be?
« Reply #2 on: November 07, 2008, 03:17:28 AM »
Sponsored links:




Offline capthook

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Re: how close together can the magnets be?
« Reply #3 on: November 07, 2008, 04:03:02 AM »
It depends on your magnetic circuit.

The flux from a single magnet forms a sphere.
Multiple magnets will form a dounut shaped field, with the flux traveling sideways to adjacent magnets if too closely spaced.

A general rule of thumb would be space them 1 magnet width apart.  So 1" x 1" x 1" magnets should be spaced 1" apart.  Otherwise, the flux can leak sideways to the adjacent magnet, rather than in the direction you want it to go.

Rate of change is important.  If you have more smaller magnets you have a greater rate of change.

 

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