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Author Topic: How much amperes are needed for a newman motor?  (Read 7284 times)

Offline Magnethos

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How much amperes are needed for a newman motor?
« on: April 15, 2008, 10:26:10 PM »
Hi, I read that newman motor runs on voltage, not on current. I want to know how amperes or miliamps are needed to run a newman motor.

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Offline Careica

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Re: How much amperes are needed for a newman motor?
« Reply #1 on: July 16, 2008, 08:53:59 AM »
Hi, I read that newman motor runs on voltage, not on current. I want to know how amperes or miliamps are needed to run a newman motor.

Ofcorse ampers/current are needet to run newman motor. Because: Power = Watts. Watts = Volts x Amps. Whitout amps, newman motor will not get power to spin in. And ofcourse it need ampers, but very small amounts like 10-20mA. But less amps is better.

Offline Michelinho

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Re: How much amperes are needed for a newman motor?
« Reply #2 on: August 05, 2008, 12:20:27 PM »
The answer to that is: not one motor is the same.

The Newman Motor use high voltage and low current for efficiency. The coil does not get hot but get's a few tenth of degree colder when running. For a small coil to use low current, you have to use very small size wire.

Here is part of a wire chart:

AWG    Dia-mils  TPI       Dia-mm    Circ-mils Ohms/Kft  Ft/Ohm Ft/Lb     Ohms/Lb  Lb/Kft    *Amps     MaxAmps

30         10.025    99.750    0.2546    100.50    103.19    9.6906    3287.1    339.18    0.3042    0.1340    0.2010
31         8.9276    112.01    0.2268    79.702    130.12    7.6850    4145.0    539.32    0.2413    0.1063    0.1594
32         7.9503    125.78    0.2019    63.207    164.08    6.0945    5226.7    857.55    0.1913    0.0843    0.1264
33         7.0799    141.24    0.1798    50.125    206.90    4.8332    6590.8    1363.6    0.1517    0.0668    0.1003
34         6.3048    158.61    0.1601    39.751    260.90    3.8329    8310.8    2168.1    0.1203    0.0530    0.0795
35         5.6146    178.11    0.1426    31.524    328.99    3.0396     10480    3447.5    0.0954    0.0420    0.0630
36         5.0000    200.00    0.1270    25.000    414.85    2.4105     13215    5481.7    0.0757    0.0333    0.0500
37         4.4526    224.59    0.1131    19.826    523.11    1.9116     16663    8716.2    0.0600    0.0264    0.0397
38         3.9652    252.20    0.1007    15.723    659.63    1.5160     21012     13859    0.0476    0.0210    0.0314
39         3.5311    283.20    0.0897    12.469    831.78    1.2022     26496     22037    0.0377    0.0166    0.0249

Using this chart you can tailor the coil's resistance.

AWG 30 coil: The TPI section is the turn per inch section and that says for one inch of coil winding you will have 99.750 turns neatly placed on the first row of your coil. So for a nice coil 2" x 1/4", you would need 199 turns for the 2" winding stacked 99.750/4=25 rows high for the 1/4" height.  199 turns X 25= 4,975 turns per coil. That is a big small coil as you need 2 of those for the split coil model of 512 ohm.  A 4" coil will be about 12" around and use 4,975 feet of magnet wire in IDEAL CONDITIONS.  An oval coil will save you wire and it is more efficient. So the Newman Motor would have 9,950 feet of magnet wire with a 512 ohm resistance.

In normal life, the coil will be fatter because it is hard to wind a small wire in perfect rows. The coil will end up 2" X 1/2" or a little less and the number of turns lower for the added size of each row.

Grab your pen out and have fun designing your first Newman Motor from scratch.  ;D

Take care,

Michel

« Last Edit: August 05, 2008, 12:43:12 PM by Michelinho »

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Re: How much amperes are needed for a newman motor?
« Reply #2 on: August 05, 2008, 12:20:27 PM »
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Offline khabe

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Re: How much amperes are needed for a newman motor?
« Reply #3 on: August 05, 2008, 01:27:25 PM »
More amperes?
Little bid sad to look when poorly and folly built bases for experiments. Very seldom saw using of back iron ...
Hereby Lehner LMT 3060 brushless motor, 12 turns, Max power 8 kW, Rotor diameter 30mm, rotor lenght 60mm,
Yes - - -  3 phase BLDC but you can see 6 output wires ( delta connected right now) - take just ends of phase A (or B or C) and you have well made
base for Newman experiments. You can use two phases A and B for example, If you like to have "two coils" ...
There is extreme powerful two pole rotor, There is laminated back iron around the "coils" - provides more perfectly finished magnetic circuit. (of course rotating outer back iron ise better  but ...)
You?ll have shaft where to install all the rest you need  like collector .... what ever - of course it need to be adequate built very large for 100...200 and more ampers ;-) Efficient of this motor when commnly used with adequate bldc controller is at least 90%  But OK - your choice is to use Newman Style - Hopefully you will get "huge back impulse" as well  and huge batteries will be recharged ;-)
Lot of existing air-core (air gap) motors, different brands you can use - very many motors what are correctly made you can use for experiments, radial gap, Axial gap ...huge diameter, smaller ones ...
Commonly much more turns than this Lehner extreme powerful motor has. I think that even brush motors could be used (then moving wound coil) the only thing - m,otor must to be air core (air gap) not iron core (armature). Jus a little bid rebuildings, reconnecting wires ...  I have tens of such kind servo motors, different sizes ... mostly cheap bought from ebay.

Regards,
khabe

Myself Im not believer of Newmans wonder machines, because I do not myself - just chummy advices how to get well built base for Newman experiments

Offline Michelinho

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Re: How much amperes are needed for a newman motor?
« Reply #4 on: August 05, 2008, 09:06:22 PM »
 Hi khabe,

You got yourself some very nice motors that can be used for many projects. Another cheaper option is converting a ceiling fan to alternator. Just have to remove the stator ring and install magnets around. Stacking magnets help boost efficiency as used in the Romag magnet setup as it amplifies the magnetic flux.

Have fun with your researches,

Michel

Free Energy | searching for free energy and discussing free energy

Re: How much amperes are needed for a newman motor?
« Reply #4 on: August 05, 2008, 09:06:22 PM »
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Offline khabe

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Re: How much amperes are needed for a newman motor?
« Reply #5 on: August 05, 2008, 11:10:26 PM »
 ???
but ok ... ::) ... it does not matter ...
have a nice time,
khabe

PS:
Lehner  LMT 3060     EUR 529.00
Controller 55V 200A  EUR 644.24
 >:(

Offline ipower

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Re: How much amperes are needed for a newman motor?
« Reply #6 on: August 07, 2008, 07:42:44 AM »
this is my newman test motor with 12v dc /10ma ,rise votage improve speed but current always keep 10ma, i think newman motor will change the world,
just waiting for,

another vision will diy later for high votage, if 4 motor make group , it will give application for engineering.
world seems go to a wrong eara, it must be bring to new energy revolution.

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Re: How much amperes are needed for a newman motor?
« Reply #6 on: August 07, 2008, 07:42:44 AM »
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Offline Michelinho

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Re: How much amperes are needed for a newman motor?
« Reply #7 on: August 07, 2008, 08:59:35 AM »

Hi ipower,

Welcome to the forum and to the Joseph Newman's World.

It is indeed a fascinating motor as it is very easy to replicate. If you browse the forum, you will find ways to improve your motor. I suggest that you keep experimenting for a few months before building your bigger setup of 4 motors liked together. Just the commutator will provide you with hours of pleasure and frustration.

Hint: For cheap contact brushes, use desoldering braid. Cut a 3 cm lenght and solder the 1/3 on a awg 16 solid copper wire and let the solder get to 2/3 leaving the last 1/3 a copper braided brush. That mimics a bumpy contact by fluctuating the input potential and will also improve your bemf with a segmented commutator. It is also easy to mount on ajustable wood block (for testing) with a hole just big enough for a tight fit of the wire.

Have fun,

Michel

Offline khabe

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Re: How much amperes are needed for a newman motor?
« Reply #8 on: August 07, 2008, 09:59:13 AM »
Hint: For cheap contact brushes, use desoldering braid. Cut a 3 cm lenght and solder the 1/3 on a awg 16 solid copper wire and let the solder get to 2/3 leaving the last 1/3 a copper braided brush. That mimics a bumpy contact by fluctuating the input potential and will also improve your bemf with a segmented commutator. It is also easy to mount on ajustable wood block (for testing) with a hole just big enough for a tight fit of the wire.
Michel
Wheres now Carbon Fusion effect when no carbon bushes  ???
Reply I dont need  ;)
khabe

Free Energy | searching for free energy and discussing free energy

Re: How much amperes are needed for a newman motor?
« Reply #8 on: August 07, 2008, 09:59:13 AM »
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Offline Michelinho

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Re: How much amperes are needed for a newman motor?
« Reply #9 on: August 07, 2008, 09:14:53 PM »
Quote
Wheres now Carbon Fusion effect when no carbon bushes  Huh
Reply I dont need  Wink
khabe

Where did I ever mention carbon in all of my posting kahbe?????

Kahbe, maybe you don't understand the underlying of Joseph Newman's motor, I don't know. But your criticism has made its point. You don't believe in either social behavior or friendly communication. Members will place you on their ignore list and won't even see your posts and that won't be fun anymore.  ::)

If you want to be logical about your criticism, I will gladly help you understand how a Newman motor works, its strong sides and its disadvantages. I am not on this forum to spread disinformation.

I will even guide you in building one with a cop>1 because as John Bedini demonstrated, you only need one coil and a clever power supply with a recovery circuit to achieve a "weak" cop>1 (SSG Schoolgirl).

Take care,

Michel


Offline khabe

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Re: How much amperes are needed for a newman motor?
« Reply #10 on: August 07, 2008, 11:13:27 PM »
Oh dear, dont be so discriminating,
We are the men, not maiden.
This area presuppose cool head and good sense of humour - it is not for blessed virgins and vestals.
I have told several times what is my opinion about Newman machine,  hereby will not repeat it,
But anyway - I asked many times - why carbon brushes, why not mosfets ...
Hartiberlin speaks on  New Newman Motor Replication thread
Quote:
"The effect is there to produce additional energy via this galvanic dissimular metal commutator sparking and it recharges the batteries.
It is just a direct carbon conversion to electrical energy, but very efficient !"

Of course  I know nothing about Newman motors but now its seems like nobody knows  ::)

ciao,
khabe

Free Energy | searching for free energy and discussing free energy

Re: How much amperes are needed for a newman motor?
« Reply #10 on: August 07, 2008, 11:13:27 PM »
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Offline Michelinho

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Re: How much amperes are needed for a newman motor?
« Reply #11 on: August 08, 2008, 01:21:43 AM »

Re kahbe,

Quote
It is just a direct carbon conversion to electrical energy, but very efficient !"

That is a theory. It has not been proven so far and I haven't come across a proof of it yet.

The carbon brush is certainly the best contact brush available but for other reasons. I do not promote its use before you have finalized  the basic setup.

1- Most of the Newman motor I have seen are small with very little torque. A carbon brush needs a certain amount of pressure  to secure the contact slowing down the replication ability to turn freely.

2- To set them up is a lot of work. You need a larger and more complicated commutator that will rob the little replication of any useful work and also custom built adjustable brackets.

3- They last a very long time (wear and heat resistant).

4- They provide a dirty signal that promotes strong bemf.

5- They are tougher and more reliable than transistorize equivalent mosfet included. They will survive mishaps and abuse.

I have the carbon brush set for my replication but the motor is not yet ready to have them incorporated at this stage of testing. The brush is only a tiny part in Newman Motor design and far less important than the commutator itself.

Take care,

Michel

 

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