Shorting coil gives back more power

[penno64]

@Akun,

Please, tell us how.

Regards, Penno

[Arthurs]

Hello everybody
Is planning to replicate, but: do not understand how the coil structure to achieve the best results, please tell me in the picture below should choose "A"? Or "B" type?
Thank you.

[Arthurs]

Hello everybody
Is planning to replicate, but: do not understand how the coil structure to achieve the best results, please tell me in the picture below should choose (A)? Or (B)?
Thank you.

[akunkeji]

@Akun,

Please, tell us how.

Regards, Penno

I’will do this Experimental again later.If succeed then I post Schematic,
and experimental's photos.
Best Regards, akunkeji

[nilrehob]

@nilrehob:

I am impressed, you did a great job with your videos, outstanding. Much has become clearer to me. And one sees again, there is hardly a thing on earth which has not been tried by some clever person before.

Below please sea a frame I grabbed from one of your videos (and I added two red dots). Is the reed switched triggered at both dots (positive and negative peak of the quasi sine wave)?

I do not understand a reed switch well enough. Does the south AND the north pole of a magnet trigger a reed switch? (With hall sensors it depends on the type of the sensor.)

For me, the last video (the one with the LED) shows gain when shorting the coil. And since you heard a clear difference in the noise made by your rotor when shorting, the rotor could slow down faster with the reed switch (more breaking force induced by the coil), which would explain where the additional energy came from.

Microcontroller: I was thinking about using one, may be the new MSP 430 LaunchPad (I got four of them) is good enough (up to 16 MHZ)
http://processors.wiki.ti.com/index.php/MSP430_LaunchPad_(MSP-EXP430G2)?DCMP=launchpad&HQS=Other+OT+launchpadwiki

Greetings, Conrad

If i remember correctly the coils are not shorted in this particular part of the video.
When shorted you see very sharp spikes, or at least discontinuity in the waveform, sharp edges and such.

A reed-switch is mechanical and does not care about N or S.
By slow I mean the time between on and off,
the coils in my experiments are in my opinion shorted too long.
The actual switching is of course sharp as its mechanical.

16 MHz seems too slow to me, when i buy a kit it the cpu should run much faster
http://www.bugblat.com/products/cor.html
http://www.coridiumcorp.com/ARMmite.php
http://www.olimex.com/dev/stm32-p103.html

/Hob