Bloch Wall Generator

[pronbo]

Found a source for long Alnico's

...on eBay - seller barefootnit
http://www.ebay.com/sch/barefootnit/m.html?_nkw=round+bar&_sacat=0&_odkw=&_osacat=0&_trksid=p3911.c0.m270.l1313

(up to 12" length)

ron

[T-1000]

I made another simple test:
wound 2 coils on selenoid - the primary is bidiler coil and secondary is 2x bifiler connected in series(all wires are same lenght/size) and sits between magnet/primary coil. The selenoid has neodyium magnet attached (it sticks with one of poles while other pole pulls away) to one end of secondary coil. While pulsing with 555 timer in coil resonance frequency, I managed to get constant oscillation with neon lightbulb lighting up on 1 of seconddary coil's wires and another lightbulb wire on hand. The voltage was amplified ~50 times while amperage was very weak.. Here is oscilloscope shot (blue is 555, the red is output of secondary coil):

[garrypm]

Hi T,

Would you mind posting a pic, or even better, a hand drawing, of the coil and magnet so I can have a go at replicating?

It is so hard trying to image how you have the coil setup

Thanks, Gary

[T-1000]

Hi T,

Would you mind posting a pic, or even better, a hand drawing, of the coil and magnet so I can have a go at replicating?

It is so hard trying to image how you have the coil setup

Thanks, Gary

The idea is to make electromagnet with opposite pole to neodyium magnet. So L1 moves bloch wall inside of L2 when powered. The half phase is your power the second half (where's BEMF) is augmented by magnet (possible to make OU?)

Ok, here's circuit. It is very simple:

[garrypm]

Thanks T