ok since noone wants to share this "secret" i will give it a try ;-)
ok imagine you have a wire that heve little positive and negative charges in it!
thouse charges like each other plus likes nimus so they stand still in plus-minus-plus-minus order ok
when magnetic field aproches thouse charges beginning to move! pluses in one direction and minuses in other , direction it depands from pole (north or soth) and direction from which the pole is comming
so as the magnet aproches PERPENDICULAR to wire thouse charges move in oposite directions due to changing magnetic field so we have to sinus wave
so magnet gets to middle of wire and magnetic field stops changing (we have stable field over the wire for a second) then charges comes back together because of uniform field - only changing magnetic field pushes charges apart thats why we dont have any current flow when magnet is not moving vs wire
and last step the magnetic field leaves the wire so again we have change in magnetic field so again charges starts move but this time in oposite direction when magnet was aproching wire so we have bottom part of sinus wave
i hope reading this you will have better view of how this works!
some guys might say that we have only negative charges that moves? well we dont have 100% sure on that so lets leave this !
Anyway back to subject
From my own expirience i can tell that if you want the best delay you have to wing as many turns as posible and the tinnest wire you can!
All to make as much inductance L as posible so your results would be best at low frequencie
i have L=50H coil and just 250 hz makes almost 90 degrees phase delay to magnet passing
I also tried bifilar wound coil but whats intresting inductance is smaller by factor of 8 times so its not good
well even if you study tesla patent on electromagnet coil he states that bifilar coil are made to REDUCE INDUCTANCE!!! by increasing coil capacitance which is something oposite to inductance.
cheers from poland
wojsciech
RON PAUL 2012!! go vote
ok imagine you have a wire that heve little positive and negative charges in it!
thouse charges like each other plus likes nimus so they stand still in plus-minus-plus-minus order ok
when magnetic field aproches thouse charges beginning to move! pluses in one direction and minuses in other , direction it depands from pole (north or soth) and direction from which the pole is comming
so as the magnet aproches PERPENDICULAR to wire thouse charges move in oposite directions due to changing magnetic field so we have to sinus wave
so magnet gets to middle of wire and magnetic field stops changing (we have stable field over the wire for a second) then charges comes back together because of uniform field - only changing magnetic field pushes charges apart thats why we dont have any current flow when magnet is not moving vs wire
and last step the magnetic field leaves the wire so again we have change in magnetic field so again charges starts move but this time in oposite direction when magnet was aproching wire so we have bottom part of sinus wave
i hope reading this you will have better view of how this works!
some guys might say that we have only negative charges that moves? well we dont have 100% sure on that so lets leave this !
Anyway back to subject
From my own expirience i can tell that if you want the best delay you have to wing as many turns as posible and the tinnest wire you can!
All to make as much inductance L as posible so your results would be best at low frequencie
i have L=50H coil and just 250 hz makes almost 90 degrees phase delay to magnet passing
I also tried bifilar wound coil but whats intresting inductance is smaller by factor of 8 times so its not good
well even if you study tesla patent on electromagnet coil he states that bifilar coil are made to REDUCE INDUCTANCE!!! by increasing coil capacitance which is something oposite to inductance.
cheers from poland
wojsciech
RON PAUL 2012!! go vote
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