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Author Topic: Muller Dynamo  (Read 4322033 times)

e2matrix

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Re: Muller Dynamo
« Reply #420 on: May 09, 2011, 12:29:17 AM »
Cherryman and other replicators,  I understand your desire to do this with the least expense possible.  However consider the wood versus acrylic as a possible important point.  I don't remember if it was mentioned here but I've seen some reference to the static electric nature acrylic has.  Maybe it can be a source of electrons.  I wouldn't exclude it as one of the possible reasons why this is able to work.  BTW Cherryman thanks for taking time to make up the drawings for those who are thinking of trying a less expensive plan.  But there is a saying I learned in a former construction job that stuck with me: "the high cost of cheap construction".  That of course means when you first cheap attempt fails it will cost you those materials plus a new set of quality materials to fix it. 

ltseung888

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Correct interpretation of the Rumerouk screen Output Shot at reply 328
« Reply #421 on: May 09, 2011, 12:29:42 AM »
Below is a picture with the scope connected at the AC point before bridge.


Correct interpretation of the Rumerouk screen Output Shot at reply 328

Most people will interpret the displayed waveform as some kind of AC waveform.  Another (correct) interpretation is that there are two Pulsed DC waves travelling in opposite directions with a pause in the middle.

That particular displayed wave is just the voltage output.  If Rumerouk had done the full thing – Instantaneous Voltage, Instantaneous Current and Instantaneous Power for both Input and Output, the picture will be much clearer.

But I shall focus on the “correct” interpretation.  Power comes out (positive waveform) but there is brought-in energy coming back (negative waveform).  We only have the voltage waveform at present but it should not take Rumerouk or other replicators too long to do the full measurements.  The actual energy should be the total area under the Instantaneous Power Curve.  That should be the numeric sum of the positive area + the numeric sum of the negative area. 

If Rumerouk had taken the Input Voltage, Current and Power measurements, the waveform for the Power Curve for the drive coils (INPUT) should also show a positive and negative area.  That should not be interpreted as AC energy going to the drive coils.  The above correct explanation applies.

I learned this the hard way with the Tong Wheel and FLEET.  I had the misfortune of debating with Poynt99 with Harvey as the Moderator.  Instead of relying on the waveform, the debate ended with “using the mean value” of the Instantaneous Power as the “recommended” method.

Please learn from my mistake and trust the waveforms.  The voltage waveform is NOT a simple AC.  It is two waves – a pulsed DC in the forward direction and a pulsed DC in the backward direction.  That is why the battery can be recharged without any loopback circuits!

After looking at the output voltage waveform reply 328, I am more certain that the Muller/Rumerouk device is an example of the second Divine Revelation.  Amen.

eisnad karm

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Re: Muller Dynamo
« Reply #422 on: May 09, 2011, 12:58:44 AM »
@hho Brian
Lutec has never been able to close loop there's...no doubt they will be building one of these now. After 10 years what have they to show for all the investors money.
This I feel is a great demo and many thanks to RomeroUK for open sourcing it
Kind Regards
Mark

infringer

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Re: Muller Dynamo
« Reply #423 on: May 09, 2011, 01:07:41 AM »
I have started a parts and source listing need help completing it made a new thread just for this.

Any help would be greatly apprciated

We need a complete 100% parts listing as well as a source to make all the parts that are needed nothing left out.

We need a part quantity and a place to purchase them online in the form of a link.

100% complete no BS no guess work we need 100% proper measurments for parts that need to be made like the stator and the rotor.

I know someone I could contact with a laser cutter locally but without 100% fool proof dimensions to give this guy I cannot get him to make them the reasons are obvious.

That maplin DC to DC converter is a hard to find piece as well.

I could wind up spending thousands of dollars and many iterations and still not accomplish this task as you seem to believe...

This is not possible for the average human being you need more info while you say all the questions have been answered and your not doing
another video I don't think you will have a successful build replication without being more specific.

Maybe share with us the CAD files used for making the stator and rotor and any and every part used with measurements and specifics.

if we want replication we need more specifications its that simple.

You said it yourself this thing wont work until everything is perfect we need to know what perfect is for this device in order to achieve such a standard!

There is no way to replicate something without having a place to purchase all of the parts needed I am sorry to sound rude but it will not happen if you make it impossible to source parts.
« Last Edit: May 09, 2011, 01:30:39 AM by infringer »

plengo

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Re: Muller Dynamo
« Reply #424 on: May 09, 2011, 01:07:52 AM »
@Romero,

what is the ohmic resistance of one of your generator coils and the driving coil, please? And if you could even measure the inductance it would be wonderful but if not it is ok.

No where I found a reference to it.

I dismantled one of my relays purchased at RadioShack and it is a tiny coil with probably 32awg gage and it is around 150ohms. A thought that it may be way too high for this setup but never know. This way I don't have to make them myself and make it easier for others to replicate too.


Many thanks,

Fausto.

khabe

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Re: Muller Dynamo
« Reply #425 on: May 09, 2011, 01:30:02 AM »
AWG 36   is 0.127 mm, square area is 0.0127 mm2,    136 ohm per 100 m ( I think that 100m per coil have been spent),
There are 7 strands, means 136/7 ... appr. 20 ohm.
7 * 0.0127 mm2 = 0.0889 mm2 total  ... means something like 0.25mm solid wire what is able for 6...7 amps in common (low turn) motor,
cheers,
khabe


AWG 32 = 0.202 mm , 0.032 mm2, and  538 ohm per km ... if you coil has 300 ohm then there is 0.55 km of wire  :o

romerouk

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Re: Muller Dynamo
« Reply #426 on: May 09, 2011, 01:46:03 AM »
I don't understand why people are finding difficult to understand the type of wire I used.
I posted the link to my source of wires many times before.
Below is the source I bought the wire from, and the reference too:

http://wires.co.uk/acatalog/st_wire.html

7 X 0.125MM SOLDERABLE STRAND EN.Cu = 0.875mm
Ref: ST01250007-500


romerouk

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Re: Muller Dynamo
« Reply #427 on: May 09, 2011, 01:49:06 AM »
Parts I have ordered so far for the new build.

http://cgi.ebay.co.uk/ws/eBayISAPI.dll?ViewItem&item=280544165606&ssPageName=STRK:MEWNX:IT

http://cgi.ebay.co.uk/ROUND-BRIGHT-MILD-STEEL-BAR-30mm-DIA-x-500mm-LONG-EN1A-/160559436733?_trksid=p5197.m263&_trkparms=algo%3DSIC%26itu%3DUCI%252BIA%252BUA%252BFICS%252BUFI%252BDDSIC%26otn%3D10%26pmod%3D200483819019%252B270303908644%252B280671794575%26po%3DLVI%26ps%3D63%26clkid%3D9015277603306153476
I got it 30mm diameter so I can put it on my lathe and cut it to make sure it fits perfect on the bearings and SPROCKET CARRIERS.

https://www.hkcm.de/product_info.php?hkcm=engineering&products_id=7381&mwst=on&des=off&dna=0&fav=&adia0=&idia0=&hig0=&amass=&bmass=&hig1=&arad=&irad=&hig2=&wink=
I bought 16 and I will have them 2 togheter to make the same 8 in total.

Bearings I already have

http://www.plasticonline.co.uk/acrylic-sheets-discs/acrylic-discs/black-acrylic-discs/10mm-black/10mm-black-acrylic-disc-300mm-dia-/prod_274.html?notice=1
I bought 3 so I can glue them together to make 3cm thick.

Mosfets are going to be used now, not sure what type yet. I have about 50 irfz44 but that is the last to worry.
Mosfets drivers - I have about 8 TC4422

Cores and coils are going to be built here. Not ordered yet but I bought parts here before.
http://www.falconacoustics.co.uk/audio-inductors-ferrite-air-core-iron-dust.html

people can also buy existing stock coils just to use the cores, check different types and u get different cores.

More to come...

infringer

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Re: Muller Dynamo
« Reply #428 on: May 09, 2011, 02:19:43 AM »
This is why I am trying to compile a list for you so you can eliminate these types of redundant questions by saying look at this list.

Here is a list of everything and where to get it.

I am trying to help lessen the burden of these questions I see you are slowly getting upset with the repeated questions it happens in every thread takes a lots of patience to deal with it.

I think you should have Made this list a long time ago I know I would have.

Name and type of part
How many you need
Link for online purchase on where to buy it.

Otherwise you will continue to have these questions.

I suggest that you do this for your second build! It will have people replicating your device very fast!

And it will save you a lot of time answering repeat questions! It is everyones goal here to prove your device works!

hartiberlin

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Re: Muller Dynamo
« Reply #429 on: May 09, 2011, 02:31:51 AM »
Many thanks Romero for all the new infos.

Yes, a measurement of the coil resistance would be great.

What is about your peak to peak voltage on that scope shot ?

I am pondering about the function principle of your
coils-cores and magnet motion, how it can induce such a voltage envelope.

Seems it could maybe violate Lenz law due to the reversal in repolarizing the
ferrite cores, when the rotor magnet goes through the ferrite core
airgap.
Would be interesting to see the added voltage from all coils after the
full wave bridge rectifiers before the big capacitor.
(if you disconnect the the big cap and take a scopeshot there without
the DC to DC converter.... just the added voltages without a load and a
turning rotor)
Probably simular to a car alternator DC output with AC ripple  on it.

Is somebody here who works regularly with FEMM and LUA ?

I would like to see this magnetic gate simulated with it,
so we can see, how the magnetic flux changes inside the ferrite rod cores,
so we can see the induction voltage.

As EMdevices said, it is probably important to get the right
working point on the BH curve on the ferrite rod cores for maximum
efficiency.
If the ferrite rods are not remagnetized when the rotor magnet goes
through this magnetic gate, there will be no such sin^2 type spike
induction voltage.
So you have to be carefull, what disctances you choose to get the premagnetisation
right from the stator magnets ontop the ferrite cores.
ALso the washer can really play a role, as it can concentrate or block the fields into the direction
of the ferrite rods, so this has to be all very carefully adjusted.

No wonder that it took RomeroUK a full month to adjust it all for
maximum efficiency and OU operation.

Many thanks.

Regards, Stefan.

My Do It Energy

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Re: Muller Dynamo
« Reply #430 on: May 09, 2011, 02:42:37 AM »
Hi Romero congratulation on your achivement, really remarkble

for those having problems with Litz wire

Litz wire is a type of cable used in electronics to carry alternating current. The wire is designed to reduce the skin effect and proximity effect losses in conductors used at frequencies up to about 1 MHz.It consists of many thin wires strands, individually insulated and twisted or woven together, following one of several carefully prescribed patterns often involving several levels (groups of twisted wires are twisted together, etc.). This winding pattern equalizes the proportion of the overall length over which each strand is at the outside of the conductor.

Mike


romerouk

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Re: Muller Dynamo
« Reply #431 on: May 09, 2011, 02:43:50 AM »
@hartiberlin

Hi, I would do all this measurements tommorow, then I will go back to do some work instead answering unlimited questions, this will never end.
I understand that people needs every detail but they are many and I am only one.

Best regards,
Romero

plengo

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Re: Muller Dynamo
« Reply #432 on: May 09, 2011, 02:55:29 AM »
@hartiberlin

Hi, I would do all this measurements tommorow, then I will go back to do some work instead answering unlimited questions, this will never end.
I understand that people needs every detail but they are many and I am only one.

Best regards,
Romero

forgive me for asking those final questions Romero. I understand your point of view. Unfortunately nowhere has been said the ohmic value of the two kind of coils you have. I think so far you have given ALL the necessary measurements that are necessary for replicating your work.

I know for a fact that ohmic value is of extreme importance since I played with Adams motor many times and He advices coils of very low ohmic value. So one can have complete different aspects of similar devices with such simple things like coil resistance.

I think the ohmic value and possibly the inductance will be last parts that allows a good range of variance for me to replicate and others.

Replications now is the most important thing in the world and saving time by simple measurements will save us all a great amount of time and money.

Everything else for this motor I already ordered to the best of my capacity close to your design and it is not cheap at all. The coils are the first ones I can build now and start testing but without a good range of the value of your coils I will be simply blind.

The physical aspects now can be simply guessed based on the videos and pictures available and already given info by you.

Please, forgive me for asking that. I did search this thread and nowhere it is mention.

And remember my friend, have fun with this because you ARE changing the world for good.

Many thanks,

Fausto.

Rosphere

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Re: Muller Dynamo
« Reply #433 on: May 09, 2011, 03:50:51 AM »
...I would do all this measurements tommorow, then I will go back to do some work instead answering unlimited questions, this will never end.
I understand that people needs every detail but they are many and I am only one.

and forgive me... LOL!  You laugh or you cry, romerouk.  Take the bad with the good.
So you posted your success before the manufacturing prints were complete. 
Who can blame you.

It was exciting, ...until you found yourself stuck behind a keyboard answering redundant
questions all day.  Yes, return to your bench.  Give the serious replicators enough time to
acquire materials, machine parts, and get to the tuning phase before you return. 
They may need your help then.

You are under no obligation to answer redundant or irrelevant questions. 
You'll burn yourself up and then start missing the key questions that will help someone
tune or repair their replication to success.  Please save your energy for these folks.

Please excuse me if I am wrong, but it seems like there is enough material here already
to get lots of folks to the tuning stage.  Maybe take a break from here for a week or two. 
Some may be ready to tune by then.

Thanks again.

SkyWatcher123

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Re: Muller Dynamo
« Reply #434 on: May 09, 2011, 04:07:27 AM »
Hi folks, just remembered I had these large ferrite beads that I could use. They are 3/4" diameter X 1-1/8" long X 3/16" wall thickness. They grab my neo magnets pretty good.
Maybe I'll try these as cores, they are really cheap from the surplus store, only $3.15 for 9 of them and I already have 4 on hand.
What do you folks think of these.

peace love light
tyson