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Author Topic: Newman machine replica  (Read 137616 times)

maxc

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Re: Newman machine replica
« Reply #150 on: August 07, 2007, 05:01:17 AM »
Hi all,

 Lost post, new coil
3000 feet done, 1000feet to go. About 2-3 hours, with tape between each layer :P

Dingus Mungus

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Re: Newman machine replica
« Reply #151 on: August 07, 2007, 06:40:46 AM »
w00t w00t!!! Thats quite the coil Max!
I'm going to look back through the thread for a pic of your mags...
What kinda pull strength and clearence do you have?
I'm uber excited to see it turning! I'm working on a new replica too...
Nothing to show yet, but I'll put pics up when I get it all put together.

Great build!
~Dingus Mungus

maxc

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Re: Newman machine replica
« Reply #152 on: August 10, 2007, 01:10:56 AM »
Hi all,

I'm still working shimming the neo's closer to the coil.
It's amazing on how much better it works as a generator the closer they are.
I'm on vacation till sunday. Still have 10 or more hours of work setting up the commutator. It will fire 10 to 60X per rotation. THAT'S THE KEY TO MAKE IT WORK.

Dingus Mungus

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Re: Newman machine replica
« Reply #153 on: August 10, 2007, 02:40:31 AM »
Hi all,

I'm still working shimming the neo's closer to the coil.
It's amazing on how much better it works as a generator the closer they are.
I'm on vacation till sunday. Still have 10 or more hours of work setting up the commutator. It will fire 10 to 60X per rotation. THAT'S THE KEY TO MAKE IT WORK.

10-60hz are just arbitrary numbers...
Think resonance... Think standing waves...
Test with a funcgen and scope to see it.
My plan is not to have multible on/off contacts,
but to have that built in to the driving circuit.
Looking really good! You're definitely on the right track.

~Dingus Mungus

maxc

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Re: Newman machine replica
« Reply #154 on: August 10, 2007, 03:07:19 AM »
I 've been also thinking about a mechanical/electrical hybird commutator with spark back feedback.

Dingus Mungus

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Re: Newman machine replica
« Reply #155 on: August 10, 2007, 08:11:58 AM »
The irony is soon we'll both be working on something new... ;D

I was talking to Joe Nolfe the other day and word is Newman has closed the loop to the affect of steady acceleration from a short one time input of hand turning the rotor. No batteries no solar cells... A new video should be out by Monday. I'm just hoping the custom armature I'm working on will work in the closed loop design. LOL! Now lets both hope that Newman is ready to open source the whole thing. Since his device has been supressed over the last 20 years, it must be clear to him by now that open source is the right tactic to take now. He'll make a ton in the book and speaking engagement circuit, and a dozen manufactures would be willing to hire him to advise on production.

~Dingus Mungus

seekingknowledge

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Re: Newman machine replica
« Reply #156 on: August 17, 2007, 02:02:10 PM »
Ok now from what i understand the negative connects to the coil and the positive to the axle so the flow of electrons flows from the negative terminal of the battery through the coil and through the axle to the positive terminal of the battery correct?

Now what i want to know is the extra electricity that is supposed to recharge the battery does it follow the same direction ? or does the rotating magnet force (negatively charged) electrons back down the to the negative terminal the place in which the negative charges are coming from, is that what this back current is?

From what i understand you can change the direction of the spin of the magnet without changing the current flow in the coil but by changing the firing postition of the magnet itself is this correct? if so the spin of the magnet can make electrons flow with or against those that are already flowing through the coil from the negative terminal to the positive terminal of the battery.

Please shed some light people, oh by the way im not being critical in any way but has anyone been able to get there newman machine to work yet? when i say work i mean able to charge a battery.

NerzhDishual

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Re: Newman machine replica
« Reply #157 on: August 20, 2007, 10:28:13 PM »
Hi guys!

My first 'Newman-Type' motor.

(http://freenrg.info/Newman_Type_Machine_Rep/MyNm1_small.jpg)

I had:
Some 'garbage chute' of 0.5m/m (=/= #25) copper wire.
Two  'parallelepiped' ferrite magnets.
Two bearings and some other stuff.
The resistance of the coil is about 18 ohms (I ran out of wire :))).

For the moment, I made it run with my 2 hands.
My left hand connects one wire to the commmutor and the other hand connects another wire to the shaft.

(http://freenrg.info/Newman_Type_Machine_Rep/Nm.GIF)

It draws about 50 milli (from 20 to 100 according to my 'hand tuning').
The digital volt meter connected to the 12 vols bat. panics (it sometimes
shows 200 vols (or more)).

Does it re-charge the bat?
I don't known!


More pictures at: http://freenrg.info/Newman_Type_Machine_Rep/

When I get a camera I make a footage.

Best





Starlite

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Re: Newman machine replica
« Reply #158 on: August 28, 2007, 10:37:11 AM »
This is my attempt at a Newman motor. The coil is 36 ohms and the rheostat is set to 18 Volts (increase the voltage and the speed increases), however I measured 120mA (meter error?).  I tried two 9 volt batteries in series with no success. It is made from 100mm PVC pipe, the bearing journals are 25mm electrical conduit, 6mm SS shaft, 25mm pvc couplings to hold the neo (30mm x 5mm neo). I have several coils, however when I tried to use one to drive a 12 volt bulb (measured 12 volts AC with meter before connecting) it loaded the motor and slowed almost to a stop (changed the flux within the coils??). I will try a 12 volt car battery, I don't believe recoverying the back emf will charge a battery (might need a diode and capacitors). I have thought of changing the coil configuration to suit the magnets to see if it will motor/generate, any suggestions are welcome. ???

NerzhDishual

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Re: Newman machine replica
« Reply #159 on: August 28, 2007, 12:33:01 PM »
@Starlite

Thanks for sharing. Nice motor.

May I stress that in a 'real' Newman Motor the length of the wire is very huge and the commutator is very elaborated.
According to:
http://www.padrak.com/ine/NEWMAN5.html (COMMUTATORS FOR NEWMAN MOTORS- AN OVERVIEW)
Quote
".....the commutator has the job of interrupting the current flow in this single coil many times per revolution of the armature. In addition, the commutator must reverse  the polarity of the applied voltage twice during each revolution of the armature."

If you read the Newman patent you will realize  that this reversing polarity is important. 

J. Newman is also saying in his patent, about his 2 coils motor:
Quote
The [second] coil can be taken ouut of the system, or its electrical currend fed away from the system, and the rotational speed of the magnet will not observably change. However, the rotational speed of the magnet will noticebly change [accelerate] when the electric current from [the second] coil is feed back to [the main] coil.

The newman patent is attached (PatD19).

Best

Starlite

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Re: Newman machine replica
« Reply #160 on: August 30, 2007, 12:20:46 AM »
Thanks NerzhDishual,

It is basically what I have made, I have made a basic commutator and it works fine without me holding the wire. From the patent as a guess I might try a bifilar coil instead of overlaying the coils which I cannot get to work when loaded. I have not tried the battery, however I have managed to measure the current and as I suspected it is close to 1/2 an amp max, I also measured the voltage across the commutator which was around 12 volts max (nothing astounding). This is still very good as it is only pulses once per rotation. I will try to measure the speed versus voltage. Let me know if you can provide further insight.

NerzhDishual

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Re: Newman machine replica
« Reply #161 on: August 30, 2007, 08:10:07 PM »
Hi Starlite,

I have taken the time to build a simple commutator and, now,  I do not use my hands anymore for that :).
You said you drawn 1/2 amps max. Sounds too much to me. ???
With a mere 18 homs coil and a 12 volt bat I do not draw more than 60 milli amps
(according to an old (Soviet) digital    analog [edited] amp meter 'ranged' between 0 and 60 mili amp).

Now I'm buiding a more  elaborated 'Newman-Type' motor with much more turns, and
bigger magnets. To me it is not yet a genuine Newman machine.
The millboard-whisky-can one was just for the fun...

When I get my camera, I make a footage.
So, more to come soon.

Best
« Last Edit: August 30, 2007, 09:15:48 PM by NerzhDishual »

RunningBare

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Re: Newman machine replica
« Reply #162 on: September 01, 2007, 06:34:19 PM »
I've just finished rewinding the coil on my replicated newman motor, it now has 2490 turns of wire measuring a total of 150 ohms, I've got a couple of flagging lead acid gel batteries which I will connect it to and leave over night, will take voltage measurements before and after obviously.

btw, the wire was removed from the secondary coil of a microwave power transformer.

maxc

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Re: Newman machine replica
« Reply #163 on: September 20, 2007, 05:56:48 PM »
Here's my new commutator. It needs alot more work.

Zornig

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Re: Newman machine replica
« Reply #164 on: November 01, 2007, 08:23:55 PM »
Hi I am new here, this is my first post and sorry for bad English :p.

I have One question:
When I take my device under current the magnet will turn for 180? degrees, because then the magnet is there where it wants to be (North to South, South to North...). But how it will beginn rotating? Do I have to pulse the current so that the magnet will use the kick to rotate for over 360?, I tried it but it did not work (too weak magnet?). Or do I have to use a commutator?

I use 2 kg wire of 0,4 cm thickness.

Hope you can understand and help me.