Originally posted by SkyWatcher
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The Robert Adams Pulse Motor Design Review
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Hi folks, Hi toranarod, "virginer" umm, lol. Anyway, I built that circuit you posted, though I used what I had on hand for now just to test functionality. I did try using only NPN's, though it only powers a load halfway, i used an led for testing. high side isn't driven properly with NPN. So I used an NPN 2n3055 darlington for low side and PNP tip42 on high side with NPN 2222 as pre-drive and it works fine. Though I'll need a bigger PNP to run with the motor.
I haven't tweaked the motor wiring or anything yet, with the holidays and all. At least I've ironed out the circuitry for recharging a source battery.
Also, you said you're still getting some loading on your motor even with that circuit. That is surprising since the generated emf isn't supposed to exceed the input voltage, though we are dealing with a different kind of motor, so that may explain it. Time to get my motor running, at least with normal switching until I get the parts for the feedback circuitry.
So I take it when you said that, you plan on putting another transistor in the flyback leg or something.
peace love light
Tyson
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more Circuit
Arrows
The red arrows indicate the direction of conventional current flow from the battery to the drive coils when the two MOSFETs switch on.
The blue arrows indicate the direction of current flow from the coils back to the battery when the two MOSFETs switch off, isolating the coils from the ignition cycle and creating a return path through the rectifying diodes back to the positive terminal of the battery.
The voltage indicated by the blue arrows in the picture below is the back EMF generated by the collapsing magnetic field within the coils. The voltage amplitude in this wave form can peak upwards of 300 volts but is only of short time duration. This is the energy that is consumed on the ignition cycle that is collected and returned back to its source supply.
The pink arrows indicate voltage being generated by the attraction of the magnetic field to the iron core. This is current induced into the system just prior to the switching of the MOSFETs and is of the same polarity as the EMF field. Consequently, the current returns to the battery creating a load situation in the circuit, producing an opposing magnetic field in the coils and reducing the drive RPM.
To make this system work to our advantage I am going to separate the induced current (indicated by the pink arrows) from the high voltage EMF (indicated by the blue arrows) allowing only the 300 volts to be returned to the supply and not allowing the induced load current to flow to the source battery.
I intend to collect the induced load current and utilize its potential in an alternative manner as it is unused free energy which should not be wasted, and I will discuss this in the future.
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Hi toranarod, thanks for sharing the functional diagram. So are you saying your pulsing the coils three times per magnet/coil pass interaction.
I rewired my coils, they are wired series/parallel with a total resistance of 4.6 ohms. It now repels the rotor easily at 36 volts, so 24 volts should work fine for just demagnetizing the coil/cores, as with 24 volts each coil will see around 12 volts. Will be firing it up later today.
peace love light
Tyson
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pulsing coils
YES I am. Three Pulses in the duration time of magnet in aliment with coil.Originally posted by SkyWatcher View PostHi toranarod, thanks for sharing the functional diagram. So are you saying your pulsing the coils three times per magnet/coil pass interaction.
I rewired my coils, they are wired series/parallel with a total resistance of 4.6 ohms. It now repels the rotor easily at 36 volts, so 24 volts should work fine for just demagnetizing the coil/cores, as with 24 volts each coil will see around 12 volts. Will be firing it up later today.
peace love light
Tyson
it give you a lot more control over the total operation of the motor.
Its something lot more people need to look into.
but it provides more back emf and less current draw.
I have tried up to 25 pulses per engagement. I will write it up as soon as i can explain the effects better because it changes a lot of parameters.
cheers Rod
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Dear Caru,
You surely will hate me for what I am writing now but please understand that if Rod wrote the source code, it is HIS intellectual property and I think that all what can be asked for is a PIC chip Ron has burnt into his source code forever (a working one plugged into a replicable setup of course) but NOT the source code itself. OF course it is exclusively Ron's decision, this is not an ego issue.
Hopefully you understand.
Maybe Ron will consider sending someone a burnt-in programmed PIC chip once someone has reached to a building / replicating state with a setup that clearly shows extra output and to which Ron has developed the source code.
Sorry for chiming in, this is what I think. Ron has shown amazing helpfulness by sharing and he does not owe anyone with anything. I can only hope he continues this thread with further amazing work. Once he gives us a hand we cannot demand his full arm...
rgds, Gyula
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I have been developing equipment for free energy research for many years.
every thing i have developed is open source.
No body has every asked or wanted the source code before mostly because it is useless to other people. Can you read source code?
How is having the source code going to help you develop better energy devices?
OK How about you give me something. can use this information to a worth while purpose?
I will post some source code here on the forum.
I will give you the program if after reading it you think it will help.
I stand by my statement. its about finding a solution the the energy crises.
every body on the forum is welcome to make a comment to this thread.
cheersLast edited by toranarod; 01-03-2011, 10:52 PM.
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Hi Rod,Originally posted by toranarod View Post
every body on the forum is welcome to make a comment to this thread.
cheers
I have just done that, two post above. Many thanks for your unselfishness so far. Whatever you decide, do it by heart, do not feel yourself compelled by any means.
Thanks, GyulaLast edited by gyula; 01-03-2011, 10:37 PM.
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