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Author Topic: Selfcharging cap circuit from Larskro fake or real ?  (Read 85840 times)

Farmhand

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Re: Selfcharging cap circuit from Larskro fake or real ?
« Reply #105 on: May 30, 2014, 12:38:45 PM »
Just for you Synchro, here is a "big relay vibrator/oscillator" I made using car points as more or less a reed switch, it's action was surprisingly rapid if it was adjusted to the smallest workable gap. The points could do with some snubbing maybe. At the end running the motor the points look like a true spark gap but it's powered by only 12 volts. There is a lot of heat loss there.

It was a good and simple vibrator magnetic switch, quickest I've made.  :) I'd like to see a reed switch take what I did to those points.

Big relay clip.
https://www.youtube.com/watch?v=twedEsC2kvw

It worked well enough to practice Morse, I attached a speaker as well as the light. hahahahhaha The message is factual.  ;)
https://www.youtube.com/watch?v=qTY_MbIiEOU

..


penno64

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Re: Selfcharging cap circuit from Larskro fake or real ?
« Reply #106 on: May 30, 2014, 03:39:59 PM »
Barium titanate caps - surface mount caps

synchro1

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Re: Selfcharging cap circuit from Larskro fake or real ?
« Reply #107 on: May 30, 2014, 04:05:20 PM »

Lidmotor gets rid of the magnet motor altogether:

https://www.youtube.com/watch?v=anP7y7S7wWo

synchro1

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Re: Selfcharging cap circuit from Larskro fake or real ?
« Reply #108 on: May 30, 2014, 04:12:23 PM »
The fly back voltage is higher voltage then the power pulse, so it can overcome more resistance in switch gap. That's how the "Reed Switch" can disconnect from the circuit to cause the coil field to collapse , but still have it's electrodes in close enough adjacency to allow the higher voltage fly back power to jump the gap as a connection! The overall greater inefficiency and retarded speed of the "Reed Switch" are behind it's secret strength.

synchro1

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Re: Selfcharging cap circuit from Larskro fake or real ?
« Reply #109 on: May 30, 2014, 05:33:36 PM »

Take a look at Igor's schematic in his "REED SWITCH" II video:



https://www.youtube.com/watch?v=vWvI7T7h3tk


Igor just jumps his magnetc switch with an LED anode to positive, and gets a self runner!

TinselKoala

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Re: Selfcharging cap circuit from Larskro fake or real ?
« Reply #110 on: May 30, 2014, 07:31:24 PM »
Lidmotor gets rid of the magnet motor altogether:

https://www.youtube.com/watch?v=anP7y7S7wWo

Yes, that's nice, and a good analysis of the phenomenon, I think. However I didn't see the voltage actually climb during the "loop on" switch positions. It goes to a higher value than when the heavier drain is happening, but does it actually climb from that point?

See this video from 11:00 on:
http://www.youtube.com/watch?v=BQi4jz2puio


TinselKoala

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Re: Selfcharging cap circuit from Larskro fake or real ?
« Reply #111 on: May 30, 2014, 07:36:02 PM »
The fly back voltage is higher voltage then the power pulse, so it can overcome more resistance in switch gap. That's how the "Reed Switch" can disconnect from the circuit to cause the coil field to collapse , but still have it's electrodes in close enough adjacency to allow the higher voltage fly back power to jump the gap as a connection! The overall greater inefficiency and retarded speed of the "Reed Switch" are behind it's secret strength.
What you are describing is exactly why expensive and delicate reed switches fail in this kind of service. You can greatly extend the life of the switch by putting a tiny capacitor across it, but then... well, you know. It kills your "overunity".

You are right about certain things concerning reed switches, though. For example:

TinselKoala

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Re: Selfcharging cap circuit from Larskro fake or real ?
« Reply #112 on: May 30, 2014, 07:40:59 PM »
Take a look at Igor's schematic in his "REED SWITCH" II video:



https://www.youtube.com/watch?v=vWvI7T7h3tk


Igor just jumps his magnetc switch with an LED anode to positive, and gets a self runner!

Video posted on March 12, 2012. Old news. Not a self runner. You are really good at misrepresenting the work of others, while not showing any work of your own!

TinselKoala

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Re: Selfcharging cap circuit from Larskro fake or real ?
« Reply #113 on: May 30, 2014, 07:44:28 PM »
Now... once again: back to Larskro's circuit. You will note that when the Battery is _unplugged_ and the switch is in the "Loop OFF" position, the reed switch is completely out of the circuit. Only one end of it is connected to anything. Yet, in his videos, he shows the motor running, apparently, just more slowly, in this condition.

Will someone please try to explain this to me?

scratchrobot

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Re: Selfcharging cap circuit from Larskro fake or real ?
« Reply #114 on: May 30, 2014, 09:43:45 PM »
Now... once again: back to Larskro's circuit. You will note that when the Battery is _unplugged_ and the switch is in the "Loop OFF" position, the reed switch is completely out of the circuit. Only one end of it is connected to anything. Yet, in his videos, he shows the motor running, apparently, just more slowly, in this condition.

Will someone please try to explain this to me?


You are right, the motor should not run when the switch is in the loop of position, maybe he forgot to switch of the air flow?

synchro1

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Re: Selfcharging cap circuit from Larskro fake or real ?
« Reply #115 on: May 30, 2014, 10:12:35 PM »
Video posted on March 12, 2012. Old news. Not a self runner. You are really good at misrepresenting the work of others, while not showing any work of your own!


Look, He states that he watched the motor run for six hours untill he got bored with no drop in input voltage. What more do you want?

TinselKoala

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Re: Selfcharging cap circuit from Larskro fake or real ?
« Reply #116 on: May 31, 2014, 04:48:40 AM »

Look, He states that he watched the motor run for six hours untill he got bored with no drop in input voltage. What more do you want?
I want you to do some work of your own for a change.


Meanwhile, I found that I can use one of my ordinary reed relays as an externally-actuated reed switch. So I made a driver board for the MiniPulse to test it. Since the reed is attracted to both polarities of the magnet it makes kind of a funny motor driver, but with biasing the reed so it prefers one pole only the motor runs. It runs incredibly well on just 2.8 volts input.... when everything is positioned exactly right. There is enough backspike, even from my little aircore coils, to flash a neon. It also periodically welds the reed contacts closed, but by beating on it I can unstick them. I'll be making a video a bit later on, but here's a still photo of the reed switch driver board, with diode, capacitor and NE-2 neon.

The relay is Elec-Trol RA30421051, SPDT contacts, 5 volt coil, without a diode across coil! But of course in this application I'm not using the coil at all, although it might be possible to make it work as a bias control with a tiny bit of current.


TinselKoala

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Re: Selfcharging cap circuit from Larskro fake or real ?
« Reply #117 on: May 31, 2014, 07:13:43 AM »
This is amazing. I've found the sweet spot for the reed switch and bias magnet, and the motor runs at over 11000 RPM with 2.7 volts input... but here is the amazing thing.

Right now it is running stably at 575 RPM..... on 0.243 V and 0.037 amps input.

 :P

synchro1

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Re: Selfcharging cap circuit from Larskro fake or real ?
« Reply #118 on: May 31, 2014, 08:59:21 AM »

Quote from TK:


He's up there at the head of the stairs with his arms crossed like Andy Capp's old bird:

"I want you to do some work of your own for a change".


Here's a few more to help:


"Put a tie on!"

"Take the trash out!"

"Get a Job!"



synchro1

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Re: Selfcharging cap circuit from Larskro fake or real ?
« Reply #119 on: May 31, 2014, 09:07:49 AM »
@Tinselkoala,


                    Alright, now where did you the hide the hampster, Mr. busy all the time big guy? Now all that's left to do is to get it to self accelerate, like I did around ten years ago, and Larskro too.