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  #991 (permalink)  
Old 03-02-2012, 11:06 PM
grizli grizli is offline
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Originally Posted by FRC View Post
If you look back through the posts here. Goreggie claimed to have it working,
he even went to CNN with it. Go back and read the posts and you decide. It
is not as simple as you say. This thread has been more about trying to figure
out how the original device worked. If we had one of these it would probably
easy to replicate. Instead it has been more of a journey of detective work
trying to figure it out.

George

No, sorry for misunderstanding.

I refer to Peter.L video, and what he says about replication not to original device. So my question is if we do exactly what is told in L. DVD will it self run ?

Last edited by grizli : 03-02-2012 at 11:09 PM.
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  #992 (permalink)  
Old 03-03-2012, 12:05 AM
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I am not sure, if you lean more toward a Bedini/Watson device as Peter compares the Lockridge device to in the video, I am pretty sure it can be done that way. Otherwise, mbrown appears quite close to solving this and coming up with a workable solution.

George
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  #993 (permalink)  
Old 03-03-2012, 05:59 AM
mbrownn mbrownn is online now
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Sorry it was Goreggie not Redrichie who made the claim. The youtube video he had was deleted. I hope Redrichie is not offended.

Post # 710

Lockridge Device - Peter Lindemann

George
Goreggie

He never had anything, he just realized that the inductive kickback was additional to the input. Yes this is a key area of gain but that alone has not been enough to make self running motors, well not with the circuits he was running anyway.

I noticed that at that time I postulated the possibility of the Lockridge being run as a parallel path, I don't think it was but that is something we could add to it in the future. There are other tricks I have up my sleeve but I won't start to get into that until I have this motor I am building running. I am expecting the output to be too small from the generator at this point I could put magnets in and get what we want but that isn't the Lockridge. Be patient and we will get there, once we have the Lockridge proven we can add the parallel path and improve its COP further.

To sum up

I am close to having the circuit right and some of the values of the components and their interactions

The trifilar coil may or may not be required as Peter said in his video

I would say that I am over half way there and the rest is common sense when you understand what it is doing, that is the tricks are common sense to a great degree. lets call it tuning.

Sorry to tease but I want you guys asking questions, difficult ones, as these help me solve the problems that I haven't thought of yet. At the moment I can hear the crickets, lets have some noise.
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  #994 (permalink)  
Old 03-03-2012, 06:18 AM
mbrownn mbrownn is online now
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Originally Posted by grizli View Post
No, sorry for misunderstanding.

I refer to Peter.L video, and what he says about replication not to original device. So my question is if we do exactly what is told in L. DVD will it self run ?
No, Peter has been leading us through some of the principals in a way that we can learn from but as he said he does not know the order in which the things are put together. At that point I don't think Peter knew all the things that were happening in the device but maybe he did. I am slowly getting there, sometimes going off at a tangent but still getting there.
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  #995 (permalink)  
Old 03-03-2012, 03:34 PM
Hiwater Hiwater is online now
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Duty Cycle

Mbrownn, Standard 2 brush system, 1pos - 1 neg. As i understand it that would be 100 percent duty cycle. With out any modifications. Is this correct .
To change the duty cycle, Do you think we have to use just one blank commutator bar on the negative brush. Either in advance or retard of rotation. Advancing the blank commutator bar would give us more of a build up in the motor coil and armature before it is switched. Need some advice.
I did make the generator so both the brushes can be moved. The negative brush can be moved quite a ways against rotation and still motorise, but the pos brush seems like it has to be moved with roatation. Still working on that, to check out the possibilitys.
Another thing I was think is it just might be that the motorising circuit is in parallel with the gen circuit. While motorising the generator circuit is energised and charging the same time it is motorising. Much like a standard a standard generator motorizing. So many variables to check out.
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  #996 (permalink)  
Old 03-04-2012, 03:06 AM
mbrownn mbrownn is online now
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Mbrownn, Standard 2 brush system, 1pos - 1 neg. As i understand it that would be 100 percent duty cycle. With out any modifications. Is this correct .
To change the duty cycle, Do you think we have to use just one blank commutator bar on the negative brush. Either in advance or retard of rotation. Advancing the blank commutator bar would give us more of a build up in the motor coil and armature before it is switched. Need some advice.
I did make the generator so both the brushes can be moved. The negative brush can be moved quite a ways against rotation and still motorise, but the pos brush seems like it has to be moved with roatation. Still working on that, to check out the possibilitys.
Another thing I was think is it just might be that the motorising circuit is in parallel with the gen circuit. While motorising the generator circuit is energised and charging the same time it is motorising. Much like a standard a standard generator motorizing. So many variables to check out.
With a lap wound (modern) armature you will always have 100% duty cycle no mater where you put the brushes and even if you remove a segment from the commutator. provided you leave the windings intact and use standard width brushes. Removing a segment and narrowing the Brushes will reduce the duty cycle by the amount of time that the brush is over the removed segment and that is all.

Wave winding gives us the ability to adjust the duty cycle from 0 to 100% by advancing or retarding one of the two brushes but only if the brushes are narrowed and the segments at either side are blank. electrics_158.gif (image)


Yes you are correct the generator circuit is in parallel with the motor circuit.
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  #997 (permalink)  
Old 03-04-2012, 10:37 AM
Positron360 Positron360 is offline
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Lockridge Device Parametric Study Spreadsheet

Hi all

I have created an Excel spreadsheet allowing for a parametric study to be done on the Lockridge device. It is currently limited to assessing the feasibility of using a Brushed DC permanent magnet motor, but I plan on adding other models in future.

I created it to assess which motors can be expected to work. Not all motors will work, and the possibility of it working appears to be a complex function of parameters such as torque constant (Nm/A), BEMF constant (V/rpm), terminal inductance and terminal resistance, as well of course the capacitance and the voltage range over which you discharge.The spreadsheet allows you to input all those values and see the results.

I will appreciate it if someone with basic knowledge of Excel and electric circuit models can verify the spreadsheet for any errors, but I do not think there should be too many.

The spreadsheet can be downloaded from Google Docs using this link. It is about 5.4MB in size due to numerical computations using a lot of cells. Select File - Download in order to use - it does not want to convert to Google Docs format.

Any feedback will be appreciated. I hope you find it useful in filtering suitable motors. As Peter mentioned, DC Shunt motors are probably the best since large permanent magnet DC motors are 1) costly and 2) get demagnetized when too much current is passed through - will try to model them next.

I will be happy to answer questions about the operation of the spreadsheet. If there is enough interest I will write a manual and step-by-step model derivation explanation.

Kind regards

Last edited by Positron360 : 03-04-2012 at 10:39 AM. Reason: Typos
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  #998 (permalink)  
Old 03-04-2012, 01:24 PM
mbrownn mbrownn is online now
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Originally Posted by Positron360 View Post
Hi all

I have created an Excel spreadsheet allowing for a parametric study to be done on the Lockridge device. It is currently limited to assessing the feasibility of using a Brushed DC permanent magnet motor, but I plan on adding other models in future.

I created it to assess which motors can be expected to work. Not all motors will work, and the possibility of it working appears to be a complex function of parameters such as torque constant (Nm/A), BEMF constant (V/rpm), terminal inductance and terminal resistance, as well of course the capacitance and the voltage range over which you discharge.The spreadsheet allows you to input all those values and see the results.

I will appreciate it if someone with basic knowledge of Excel and electric circuit models can verify the spreadsheet for any errors, but I do not think there should be too many.

The spreadsheet can be downloaded from Google Docs using this link. It is about 5.4MB in size due to numerical computations using a lot of cells. Select File - Download in order to use - it does not want to convert to Google Docs format.

Any feedback will be appreciated. I hope you find it useful in filtering suitable motors. As Peter mentioned, DC Shunt motors are probably the best since large permanent magnet DC motors are 1) costly and 2) get demagnetized when too much current is passed through - will try to model them next.

I will be happy to answer questions about the operation of the spreadsheet. If there is enough interest I will write a manual and step-by-step model derivation explanation.

Kind regards
A permanent magnet motor cannot work as a motor for a true Lockridge device as there is a requirement of the motor field coils to interact with the generator field coils in the same way as a transformer.

I am not sure I can help you with the spread sheet but here is something to consider.

The factors relevant to producing the spreadsheet are many

Motor efficiency

Transformer effect and efficiency

generator efficiency

In the motor efficiency you need to take into consideration that we are using a motor on pulsed DC, the losses are less than AC, add to that the gain of inductive kickback. This has the ability of making a very inefficient motor perform with apparent high efficiency.

In most motors the transformer effect is cancelled out. In the Lockridge device this is not the case.

In these calculations you will have an iron loss in each but in a lockridge device you will only have 1 iron loss as all the components are in the same device so this loss should not be counted each time. So in the case of the Lockridge, the transformer and generator will operate with greater efficiency than normal as the iron has already been saturated by the motor.

As we are not in a position yet to give figures, I fear your spreadsheet will be theoretical but over the next few months we may be able to fill in some of the blanks.
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  #999 (permalink)  
Old 03-04-2012, 02:33 PM
Positron360 Positron360 is offline
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A permanent magnet motor cannot work as a motor for a true Lockridge device as there is a requirement of the motor field coils to interact with the generator field coils in the same way as a transformer.
Thanks for the input. I was able to model net energy gains - indicating either 1) an error in the model (most likely due to linear current/torque and constant terminal inductance assumptions - although the latter does not seem to have a very great influence on the net energy out - only on the discharge time) or 2) that a similar effect can be obtained in permanent magnet DC motors using short duration high-voltage discharges far above the BEMF induced in the motor at the current rotating speed which is in turn limited by the use of a flywheel.

I will have to read up on why the interaction is required - nothing like the sort could be inferred from Electric Motor Secrets Part 2. The basic idea conveyed there as I understood it was pushing huge amounts of current through the armature to minimize the effect of the BEMF loss relative to the driving potential, and doing so in short pulses so that the wires do not burn up. I guess it was a very simplistic explanation, although it was implied that doing the aforementioned should be sufficient. If that is the case, it shouldn't really matter where your field comes from (coils or permanent magnets) as you are not trying to harvest any kickback from the field windings but only trying to pass high current pulses through the armature.
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  #1000 (permalink)  
Old 03-04-2012, 03:24 PM
Positron360 Positron360 is offline
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indicating either 1) an error in the model (most likely due to linear current/torque and constant terminal inductance assumptions - although the latter does not seem to have a very great influence on the net energy out - only on the discharge time
Apologies - the inductance has a mayor influence, depending on the voltages and capacitance involved. With low voltages and high capacitance the effect is greatly reduced as can be expected, leading to the incorrect conclusion.

After looking at a few data sheets it became clear that although building a permanent DC motor that can in theory have the correct combination of parameters, none commercial available models I have tested so far show any net gain, the best being about 90% efficiency. Finding a large enough torque (Nm/A) ratio is troublesome.
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  #1001 (permalink)  
Old 03-04-2012, 04:17 PM
mbrownn mbrownn is online now
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It is interesting to see someone look at it from a mathematical point if view. I can't say I understand it but I am sure that others may find it of interest. In a few weeks when I start testing maybe you could do some calculations to assist us understanding what is going on.

Could your spread sheet calculate expected efficiencies for a universal motor and what information would you need to do that?
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  #1002 (permalink)  
Old 03-04-2012, 04:22 PM
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My view is, if we want to construct a real Lockridge device, we must use either
a VW generator, 6v or 12v or the 1950's Delco/Remy generator and get them to function as a motor at the same time that they are generating. Most of us went
at it backwards, trying to start with a DC motor and have it generate at the same time, with or without modifications. Had generators been used, earlier on
observation of how they operated would probably have led to the correct modifications being done to get this to work. Only after a successful replication
is done with a generator can we then try to modify a motor. I might be wrong,
but this would seem to be the easier path to take.

George
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  #1003 (permalink)  
Old 03-04-2012, 05:19 PM
Positron360 Positron360 is offline
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It is interesting to see someone look at it from a mathematical point if view. I can't say I understand it but I am sure that others may find it of interest. In a few weeks when I start testing maybe you could do some calculations to assist us understanding what is going on.

Could your spread sheet calculate expected efficiencies for a universal motor and what information would you need to do that?
No, not yet but I plan to include other motor configurations in future, although I cannot say how soon that will be. I will be happy to assist where possible.

I guess that the most important parameters will be the field coil and armature inductance and resistance values, as well as the geometry of the motor. If cores are involved I will need to know which materials and dimensions in order to estimate the nonlinear inductance relationships that can be expected to play a big role during high current surges. However, I will first need to study all aspects thoroughly before I can say for sure.

I prefer running mathematical models prior to starting experiments just to see what conventional theory has to say (conventional theory as used to model specific phenomena - not general laws that are only applicable under certain assumptions). That way I can study the relationships between parameters and see which combinations can be expected to work the best. Also, if the model says it should work and it does not work in practice, it provides more motivation to try again - until you can reconcile the two. That way you are always sure to learn something - even if it is where you made a mistake in your model or where the model needs to be expanded. Like they say, six months in the laboratory can safe you a day in the library. However, I am all for experimental studies in fields such as this one where the library does not contain a lot of applicable information - not yet.

I have a goal of fully understanding higher-dimensional electrodynamics, such as Sachs O(3) electrodynamics, which according to Bearden does take vacuum interactions into account. Once I have enough knowledge of that theory I hope to model it and use that to analyse various devices that claim anomalous behaviour.

On a different note, I am having difficulty getting data on starter motors - specifically the inductance and resistance of the field and armature coils and the speed and torque constants. I will appreciate any datasheets / resources on this as I expect them to have a large torque constant.
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  #1004 (permalink)  
Old 03-05-2012, 01:05 AM
mbrownn mbrownn is online now
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Quote:
Originally Posted by FRC View Post
My view is, if we want to construct a real Lockridge device, we must use either
a VW generator, 6v or 12v or the 1950's Delco/Remy generator and get them to function as a motor at the same time that they are generating. Most of us went
at it backwards, trying to start with a DC motor and have it generate at the same time, with or without modifications. Had generators been used, earlier on
observation of how they operated would probably have led to the correct modifications being done to get this to work. Only after a successful replication
is done with a generator can we then try to modify a motor. I might be wrong,
but this would seem to be the easier path to take.

George
Yes you are right, if we all started with delco remy generators we would have probably got here quicker purely by trial and error, but would we understand it. If we could replicate but not understand it we would be like lockridge ourselves and would not be able to develop it further.

These generators are not readily available so we are left with motors to work with.

Motors are not built to be as efficient so this is a problem but we will overcome. I think we are 80% there and if you do have a delco remy generator contact me and I will go through the modifications with you.
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  #1005 (permalink)  
Old 03-05-2012, 01:31 AM
mbrownn mbrownn is online now
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Originally Posted by Positron360 View Post
No, not yet but I plan to include other motor configurations in future, although I cannot say how soon that will be. I will be happy to assist where possible.

I guess that the most important parameters will be the field coil and armature inductance and resistance values, as well as the geometry of the motor. If cores are involved I will need to know which materials and dimensions in order to estimate the nonlinear inductance relationships that can be expected to play a big role during high current surges. However, I will first need to study all aspects thoroughly before I can say for sure.

I prefer running mathematical models prior to starting experiments just to see what conventional theory has to say (conventional theory as used to model specific phenomena - not general laws that are only applicable under certain assumptions). That way I can study the relationships between parameters and see which combinations can be expected to work the best. Also, if the model says it should work and it does not work in practice, it provides more motivation to try again - until you can reconcile the two. That way you are always sure to learn something - even if it is where you made a mistake in your model or where the model needs to be expanded. Like they say, six months in the laboratory can safe you a day in the library. However, I am all for experimental studies in fields such as this one where the library does not contain a lot of applicable information - not yet.

I have a goal of fully understanding higher-dimensional electrodynamics, such as Sachs O(3) electrodynamics, which according to Bearden does take vacuum interactions into account. Once I have enough knowledge of that theory I hope to model it and use that to analyse various devices that claim anomalous behaviour.

On a different note, I am having difficulty getting data on starter motors - specifically the inductance and resistance of the field and armature coils and the speed and torque constants. I will appreciate any datasheets / resources on this as I expect them to have a large torque constant.
When I have my motor wound I will give you the info that I have for it but for now I can give you this..

Rotor diameter 31.7
Rotor length 30

Rotor coil dimensions
coil width at the core 18
coil length 30
wire #22 approximately 60 turns (we will get a real figure when I wind it)
6 coils fitted but only 1 energized at a time with 1 on recovery

Stator internal diameter 32.5
Stator length 29.4

Stator coil dimensions
length 29.4
width 19.7
Number of turns will be the same as the rotor as will the wire gauge.
Only one coil used for the motor.

Rotor and stator are laminated with standard materials for this application

There is nothing wrong with mathematical models if we have all the parameters for it, unfortunately the electrical theory is incomplete so that puts us at a disadvantage. You may be the only person in the world that is looking at this mathematically, think about it, your work could be very important. This is why I do not dismiss anyone with ideas.

The only starter motor information I found was a Ford Fiesta starter 200uH and 0.046 ohms
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  #1006 (permalink)  
Old 03-05-2012, 02:18 AM
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Here is 1950's Delco Remy 6v generator from a John Deere. The guy is trying to
convert it to 12 volt. Look at the picture of the coils.

JDcrawlers Messageboard :: View topic - Delco-Remy 1101859 6 volt generator


George
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  #1007 (permalink)  
Old 03-05-2012, 02:59 AM
citfta citfta is offline
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generators and starters

For you guys that think it would be easier to convert an old generator there are plenty of them on ebay. Another idea might be to convert one that is already a starter generator. The old Cub Cadet lawn and garden tractors used a combination starter generator. It was used to start the tractor and then used to charge the battery. I see on ebay where Yamaha is also using something like that on their golf carts. Some of them are as cheap as $40 for a good used one.

Carroll
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  #1008 (permalink)  
Old 03-05-2012, 04:12 AM
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Thanks Cifta

Quote:
Originally Posted by citfta View Post
For you guys that think it would be easier to convert an old generator there are plenty of them on ebay. Another idea might be to convert one that is already a starter generator. The old Cub Cadet lawn and garden tractors used a combination starter generator. It was used to start the tractor and then used to charge the battery. I see on ebay where Yamaha is also using something like that on their golf carts. Some of them are as cheap as $40 for a good used one.

Carroll
The starter generator does sound like a good idea.

George
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  #1009 (permalink)  
Old 03-05-2012, 06:01 AM
mbrownn mbrownn is online now
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Thanks guys for the info, lets just say these generators are not here in SE Asia. yes they do look like they are good candidates.

I would be interested to know the ratio between the motor coils and the generator coils
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  #1010 (permalink)  
Old 03-05-2012, 12:19 PM
citfta citfta is offline
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There are no separate motor coils and generator coils. The armature is wound with heavier wire than would be used for a regular generator. Full voltage is applied to the field coils and the armature to start the engine and it turns the engine using the heavy v-belt that is also used to turn the generator when the engine is running. When the engine is running a regular mechanical voltage regulator is used to control the current going to the field coils which controls how much voltage is generated by the armature coils. Since this is used as a generator maybe the armature coils are already wound the way you want them to be. I worked on a lot of these when I used to work on lawn and garden and farm machinery, but I don't remember how the armature was wound. Maybe with some research we could find out. I wish I had thought of this several months ago. It may have saved some time and effort looking for a suitable device to convert.

Carroll
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  #1011 (permalink)  
Old 03-05-2012, 03:12 PM
Hiwater Hiwater is online now
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Thanks guys for the info, lets just say these generators are not here in SE Asia. yes they do look like they are good candidates.

I would be interested to know the ratio between the motor coils and the generator coils
Mbrown, I have at leat five of these iv been working with. The motor coil is quite good size about 4 inches wide andabout 5.5 inches tall. The feild charge coil may be larger too. The motor coil uses flat normal starter windingflat copper. The feildcoil is larger in the sense it isnt as compact as the stock GM generator, more spread out along the edge of the feild poles. The armature is basically the same same number of bars and slots. The winding on the armature is a little heavier than normal generators. They also hav thick brushes made out of copper. Brushes are at least one quarter of an inch thick. Dont know the ratio of winds from one to another.
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  #1012 (permalink)  
Old 03-05-2012, 03:33 PM
Hiwater Hiwater is online now
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starter-generators

What I have done in the past is to take a starter coil from an older 6-12 volt and put in the stock Gm generator. This does about the same as the starter generator combination. These will also motorise with just one motor coil . No other coils connected by putting the motor coil under the negative brush. One wire to the power in put and the other wire to the positive brush. the negative is grounde to the case. depending which way you want it to turn.

Ther is enough room to put other brushes in the case if you have some extra ground brush holders or modify the pos brush holder. the pos holders are to long and have to be shortend to get on the right comm section you need.

These starter generators will spin up to any where from 4000-6500 rpms depending what size starter feild coil and feild pole you put in them.

What did you mean for sure about the ratio, was that the number of turns for each coil.
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  #1013 (permalink)  
Old 03-05-2012, 04:33 PM
Hiwater Hiwater is online now
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Shorting commutator to case

Mbrownn, I did manage to get time to slot the generator case on the brush end of the case , so the brushes can be moved 180 degrees if needed. there is a spot where the dc and voltage picks up. Dc 20 volts - ac 40 volts off that one only on commutator section, thats is where the voltage is the highest on the pos side of the armature. The negative side drops down to 8-10 volts. that is the 5th comm segment from the pos brush going against rotation. The other sections lower the voltage.

I did connect a 12 volt heater fan to that section and it picks up and spins like a normal fan would connecting across a battery.

When i was checking with the volt meter to find the highest voltage spot a I grounded the comm bar out to the case and the motor picked up in rpms. I checked this quite a few times the rpm gain was 722-873 rpms. So i connected a 12 volt heater motor fan to the brush i had added to see what would happen. the heater motor picked up and run like normal, but was strange was that the starter generator picked up in speed too. never checked rpm gain at that time though.

Going to do some checking today to see whats is going on. Now if i put a 12 volt bulb on the generator coil it just about stops the starter generator.
But when i put it on the comm section it gets bright white and rpm picks up. There is absolutely 20v-dc---40v ac. Some times up ti 48 volts ac. I rechecked this many times.
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  #1014 (permalink)  
Old 03-05-2012, 05:37 PM
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FRC FRC is offline
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Hiwater

This sounds like what is happening in the three battery generating system. The
increase in RPM's when the load is added. Somehow the same principle is at work here. The drawing in of more radiant energy or something. The original
Lockridge device used a 300 watt load, either a light bulb or small 300 watt
heater. This load is an important component of the overall system. Sounds like
all that is needed in your setup now is the right capacitor with the correct connections and you have the Lockridge device solved.

George
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  #1015 (permalink)  
Old 03-06-2012, 12:23 AM
Hiwater Hiwater is online now
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Quote:
Originally Posted by FRC View Post
This sounds like what is happening in the three battery generating system. The
increase in RPM's when the load is added. Somehow the same principle is at work here. The drawing in of more radiant energy or something. The original
Lockridge device used a 300 watt load, either a light bulb or small 300 watt
heater. This load is an important component of the overall system. Sounds like
all that is needed in your setup now is the right capacitor with the correct connections and you have the Lockridge device solved.

George
The negative brush has to be on a certain commutator bar for that to happen. Other places it wont work just slows down the motor. From what ive found the load has to be an inductive load for it to work better. Lots to work out yet.
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  #1016 (permalink)  
Old 03-06-2012, 12:32 AM
Hiwater Hiwater is online now
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m-g commutator bars.

I neglected to mention that the commutator bars in the starter generator are just a little wider than the one-quarter inch brush. These are wide segments for the starter portion of the armature. Instead of 2 wires on each bar there are 4. I was wrong in my explanation this am. So hope this helps. Lots of bemf. Iv had sparks come off them the half size of a dime, when iwas omitting some of the slots for pulsing. Sounded like a john deere when it was spinning.
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  #1017 (permalink)  
Old 03-06-2012, 12:55 AM
mbrownn mbrownn is online now
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Quote:
Originally Posted by Hiwater View Post
Mbrownn, I did manage to get time to slot the generator case on the brush end of the case , so the brushes can be moved 180 degrees if needed. there is a spot where the dc and voltage picks up. Dc 20 volts - ac 40 volts off that one only on commutator section, thats is where the voltage is the highest on the pos side of the armature. The negative side drops down to 8-10 volts. that is the 5th comm segment from the pos brush going against rotation. The other sections lower the voltage.

I did connect a 12 volt heater fan to that section and it picks up and spins like a normal fan would connecting across a battery.

When i was checking with the volt meter to find the highest voltage spot a I grounded the comm bar out to the case and the motor picked up in rpms. I checked this quite a few times the rpm gain was 722-873 rpms. So i connected a 12 volt heater motor fan to the brush i had added to see what would happen. the heater motor picked up and run like normal, but was strange was that the starter generator picked up in speed too. never checked rpm gain at that time though.

Going to do some checking today to see whats is going on. Now if i put a 12 volt bulb on the generator coil it just about stops the starter generator.
But when i put it on the comm section it gets bright white and rpm picks up. There is absolutely 20v-dc---40v ac. Some times up ti 48 volts ac. I rechecked this many times.
Im trying to visualize what you are doing, can you draw it?

Is there continuity between all the commutator segments?
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  #1018 (permalink)  
Old 03-06-2012, 03:42 PM
Hiwater Hiwater is online now
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Brush mounting

The brush holders on these delco generators are mounted to the case on one end of the generator housing with rivets. What is did was mark the original position of the brush holders and remove the rivete to get the brush holders out. then used a chop saw to cut slots around the circumfrence of the housing, leaving enough material to still keep the end on without cutting it completely off. This leaves plenty of room to move the brushes most any where you want. Hope this clears that up for you.

The commutator has continuity to each slot all the way around the circumfrence. I think the older 1950 delco were the same as these. some were shorter and longer case. The older fords were set up the same way , but the feild was internally grounded to the case not through the regulator. I will try to get my hand on an early model delco to check out the difference. Most of the early ford 6volt had more feild coil windings. They were shorter feilds with shorter feild poles. The resistance might have been the same i dont know.
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  #1019 (permalink)  
Old 03-06-2012, 04:26 PM
twoody01 twoody01 is offline
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Yanaha Golf Cart starter Generator

Here is a link to the Starter Generator parts.
https://www.cartszone.com/catalog/ca...rchresults.htm
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  #1020 (permalink)  
Old 03-07-2012, 03:15 PM
mbrownn mbrownn is online now
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Here is my first entry into the winding competition

https://skydrive.live.com/redir.aspx...Ob l1yX4P7tJs

Last edited by mbrownn : 03-07-2012 at 03:18 PM. Reason: Forgot the link
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