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Author Topic: help with my Newman machine  (Read 20254 times)

Peacemaker

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help with my Newman machine
« on: July 10, 2007, 12:09:23 AM »
Hello Peace lovers,

Please look at the jpg. and tell me if the design can be an effective motor.

I am having dificulty verifying that my coil is a magnetic field.

Please look at the orientation of the axis of the magnet relative to the circumferance of the coil. Note that the axis is parallel to the rotation of the coil.  Does the axis have to be perpendicular to the coil?

Also, is the kind of wire I am using alright? I am using 50 ft. of 14 gauge pvc inslated copper wire.  What is the best wire, insulation and lenght?

What is the best initial power source?  Do I need fancy equipment like big car batteries and capacitors?

See attached jpeg.

Thanks,
The PeaceMAker

Eddy Currentz

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Re: help with my Newman machine
« Reply #1 on: July 10, 2007, 06:50:26 AM »
Hello Peace lovers,

Please look at the jpg. and tell me if the design can be an effective motor.

I am having dificulty verifying that my coil is a magnetic field.
It will only produce a magnetic field proportional to the amount of current you run through it.

Quote
Please look at the orientation of the axis of the magnet relative to the circumferance of the coil. Note that the axis is parallel to the rotation of the coil.  Does the axis have to be perpendicular to the coil?
Yes. It won't turn the way you have it drawn.

Quote
Also, is the kind of wire I am using alright? I am using 50 ft. of 14 gauge pvc inslated copper wire.  What is the best wire, insulation and lenght?
Try at least 1000 feet of 20 ga magnet wire. The more wire the better.
It will run on 10 feet of wire if you put enough power to the coil. However, the point with this motor is to get more back than you put in. To do that you need lots of wire.

Quote
What is the best initial power source?  Do I need fancy equipment like big car batteries and capacitors?
You'll need the car battery if you only use 50 feet of 14ga wire. I wrapped my motor with about 3000' feet of 20 ga and ran it for 10 hours on a little 9 volt alkaline battery. I expect to do much better than that once I tune it up.
The fun part is building the commutator.

What's with the ABS?



Peacemaker

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Re: help with my Newman machine
« Reply #2 on: July 10, 2007, 07:55:34 PM »
Thanks a lot Eddy you were very helpful. 

What is a commutator and how do I build it?  What is the significance of this part of the machine.

I redesigned my machine and got a little more action.  I verified that I created a magnetic field.  The magnet inside went from loose to straight up and down.  But it would not rotate.  In fact, it resists movement when the current is running through the coil.

I will post another diagram shortly. 

Where can I get the wire you suggested for cheap.  How about good magnets like permanent earth magnets?  And what about a good spinning axle with bearings and stuff.

I chose ABS because it is cheap and easy to manipulate (cut, drill, glue & mold).

What do you reccommend.  Where can I find a good schematic of a Newman Machine and step by step instructions and a list of good material.

Thanks again,
The PeaceMaker

Eddy Currentz

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Re: help with my Newman machine
« Reply #3 on: July 11, 2007, 02:04:00 AM »
I admire your spirit but you don't know anything about motors do you.  ;)
Well, this is about as simple a motor as you will ever make.
This motor works on the principal of pulsed DC current. Once every revolution, at the same place in that revolution, the coil is "pulsed" with current for some short period of time (less than a quarter turn). This creates a magnetic field through the middle of the coil which interacts with the field of the permanent magnet. The permanent magnet will then rotate to align itself with the coil field. That is where the work is extracted.
The timing of this pulse is very important. If the coil is pulsed when the magnet is aligned with the field, no rotation will occur. Therefore, we want to time the pulse so the magnet is at around 90 degrees offset to the plane of the coil.
When we pulse the coil at that angle, the magnet will turn one way or another according to the polarity of the pulse. Before the magnet gets aligned with the coil we cut off the current. This allows the magnet to continue rotating past the alignment point and around to 90 degrees again where we then pulse it once more.
The commutator is a device that allows you to pulse the coil at the same particular point in the rotation. This device can be as simple as a bare spot on the shaft with a piece of wire rubbing to make a contact.
Look at some of the machines in this forum for ideas. Also study the pictures to get a better idea of the geometry of these motors.

Ted

hartiberlin

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Re: help with my Newman machine
« Reply #4 on: July 11, 2007, 03:03:24 AM »
Hello Peace lovers,

Please look at the jpg. and tell me if the design can be an effective motor.

I am having dificulty verifying that my coil is a magnetic field.

Please look at the orientation of the axis of the magnet relative to the circumferance of the coil. Note that the axis is parallel to the rotation of the coil.  Does the axis have to be perpendicular to the coil?

Also, is the kind of wire I am using alright? I am using 50 ft. of 14 gauge pvc inslated copper wire.  What is the best wire, insulation and lenght?

What is the best initial power source?  Do I need fancy equipment like big car batteries and capacitors?

See attached jpeg.

Thanks,
The PeaceMAker

Hi PeaceMAker,
you have the coil and rotor not setup right.
One piece of them must be positioned turned by 90 degrees to get it to work.

Peacemaker

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Re: help with my Newman machine
« Reply #5 on: July 11, 2007, 07:06:04 AM »
Hey all,

I have another diagram that approximates my machine.

I need help understanding how to build the commutator.

I understand that I need a wire contacting the shaft(rotating steel axle with magnets attached), but where does the other end go.

If someone could explain exactly how the commutator would work with my diagram that would be great.

Thanks Eddy, your post was again very helpful but I am still a bit lost.  You are right I am a complete layman.

Where can I find a scematic that is clear on the commutator?

Thanks,
PeaceMaker

hartiberlin

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Re: help with my Newman machine
« Reply #6 on: July 11, 2007, 08:17:12 AM »
Hi,
cut the yellow connection to the minus pole of the battery and instead connect the red wire to the minuspole.
Then connect the other end of the red wire to the conducting axis (rod) loosely, so the axis can slip
rotate with it.

Now let the free coil end wire slip connect to the shaft over a taped portion at the end ofthe shaft.
So you only connect the coil to the battery for say 30 degrees of rotation of the shaft.
The other 330 degrees are taped out, where the coil wire does not make any connection
to the battery.
So the coil only gets a pulse every 330 degrees for 30 degrees.
These 30 degrees must be put this way, that it is the optimal angle to
accelerate the magnet inside the coil, so it gets the most mechanical output power.

Hope this helps.

Regards, Stefan.

Peacemaker

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Re: help with my Newman machine
« Reply #7 on: July 11, 2007, 09:07:54 AM »
Hey Freehumans,

Wow.  You all are geniuses!!  I feel like Neo from the matrix when he exclaimed, "I know Kung Fu!" 

The machine is amazing.

What do I do next?  I want to power all of my appliances, my computer, and my entire domicile (lights, etc...).

I want to make an engine for a semi truck that can accelerate and reach high yet safe speeds. 

What do I need to do to get that kind of torque?

Thanks,
PeaceMaker

hartiberlin

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Re: help with my Newman machine
« Reply #8 on: July 11, 2007, 09:12:53 AM »
Big magnets and lots of copper for the coil(s) and high voltage power supply.
Also you can go 4 or 8 pole with more coils and more  magnet poles.

Peacemaker

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Re: help with my Newman machine
« Reply #9 on: July 11, 2007, 06:19:44 PM »
Thanks Stefan,

You have been very helpful, but can you explain that last comment in more detail please?

Big magnets and lots of copper for the coil(s) and high voltage power supply.
Also you can go 4 or 8 pole with more coils and more  magnet poles.

I am serious about powering my appliances AND the Semi truck.

What are the equations? 
How much wire? 
How large a magnet? 
What kind of magnet?  (earth magnets???)
What kind of power supply?
How much voltage?

I think I understand that you are saying there are magnets with more than just two poles.  I get that...more efficiency.

I think I understand what you mean by more coils, but I am not sure how to orient them.  A picture would help with that. 

Is three coils per magnet pole the most efficient combination?

Boy the comutator for that kind of device must be difficult to build and cause to run efficiently on its own.  Any suggestion?  Again, pictures are worth a thousand words.

So with eight poles is that 12 coils, or 24, or more?

Where do I get such a magnet?

I know I am asking for a lot of info.  I appreciate all of the help.

For starters I am going to build a machine that can power a few of my household appliances.

What kind of wire should I purchase?
Power supply?  Magnets? Dimensions of whole machine?

Lastly, what about the machine that uses only permanent magnets arranged in a particular way, how do I make that?  How does it work?  Is it better than creating electromagnets?

Thanks a bundle,
PeaceMaker

Eddy Currentz

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Re: help with my Newman machine
« Reply #10 on: July 11, 2007, 10:27:30 PM »
Whoa there pardner, don't get ahead of yourself. It ain't that easy.
These motors are fine for running a little fan blade, but don't count on running much else without a major expenditure. Forget about running a truck with it.
These motors as we are building them here have almost no torque. They barely manage to run themselves and recharge the battery. This is not some miracle motor.
You really should just build a small one to get some idea of what you're dealing with. Learn about motors and how they work. Read about different types of motors on this board and others before you commit to a big project.
You will have to learn because there are no plans, that I am aware of, for what you want. You will have to design and build it yourself.
Don't give up though. It is just going to take a little longer than you thought to get there. Learning is the fun part anyway.

Ted

potatogunman

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Re: help with my Newman machine
« Reply #11 on: July 12, 2007, 01:32:24 AM »
yes!!  Baby steps!!!   Its not a cheep hobby either

potatogunman

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Re: help with my Newman machine
« Reply #12 on: July 12, 2007, 01:44:55 AM »
would adding a heavy weight add turning torque?  I  guess if you scaled up the newman machine's size  by using a 3/4 inch shaft and massive neo magnets Lots & lots ;D of Wire   i guess it would run one of those 5000 watt  pully  driven generator
am I wrong ?    maybe I am  oh well ;D  lol

potatogunman

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Re: help with my Newman machine
« Reply #13 on: July 12, 2007, 01:45:57 AM »
the weight i was talking about is in the drawing

Eddy Currentz

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Re: help with my Newman machine
« Reply #14 on: July 12, 2007, 03:17:40 AM »
would adding a heavy weight add turning torque?  I  guess if you scaled up the newman machine's size  by using a 3/4 inch shaft and massive neo magnets Lots & lots ;D of Wire   i guess it would run one of those 5000 watt  pully  driven generator
am I wrong ?    maybe I am  oh well ;D  lol
You can make it as big as you want. The problem is that it is not the most efficient torque generator. Like Stefan said, you would have to add more coils at different angles and increase the voltage. And that would only be the start.
There are other motor designs that might be much more efficient. You really have to determine what kind of power you need and how you are going to use it. Are you charging batteries, turning a generator or running a pump? The motor has to fit into the total system.
I would encourage building a small motor to become familiar with how this type of machine operates. Newman hypes these motors up to sound like they will provide all the power you'll ever need. Have you seen how huge his motors are.
A rotoverter is an excellent choice for an efficient motor that is very easy to build.

Ted