Discussion about the Lockridge Device

[Ufopolitics]

Hello all,

Ok Citfta, let's say there is no finer wire...I will agree to that.

But, what about the winding type?

Does it look to you like a typical Lap Winding?

Then how on earth can we put on that insulation there and see no return wires?

What I mean is that ALL wires "die" (end) at each alternated commutator bar (and since wire is so thick, we will see a return at simple sight) ...and there is no way we can lay that insulation there "in between" return wires - one by one- in order that we only see the end terminals?

[color=var(--body-txt-color)]Maybe I am not looking well...or overlooking something here...[/color]

Let me know what you think.

Thks

Ufopolitics

[Ufopolitics]

Hello Guys,

Ok, believe me, I've been looking for an old loose armature laying around from a regular motor, and could not find one at hand.

But I have found an image that reflects exactly what I am referring to:

As you all can see, each SINGLE comm bar gets TWO wires attached, which includes the return wire.

And of course, insulation is underneath BOTH Wires, and not just one.

Thanks

Ufopolitics

[citfta]

Hi Ufo,

I have spent several hours now looking at pictures of armatures.  And also gone over again how lap windings and wave windings are connected to the commutator bars.  Almost all of them show two wires connected to each commutator bar or segment.  And whether you use lap winding or wave winding you still end up with two wire ends per segment.  Only the armature in the video and the armature I found on eBay show a single wire going to each segment of the commutator. 

Could it be that since the device only worked wiith a couple of kinds of generators that the armature was different than either a lap wound or wave wound armature?  The Lockridge Device was built originally about 80 years ago.  If you  connect one end of the coil to one segment and the other end to a segment 180 degrees away the circuit would still complete when those two segments came in contact with the brushes.  Or in the case of a 4 pole generator the coils ends would be connected at 90 degrees from one another.

The only problem I see with this idea is that if he brushes were not exactly positioned you would not get a complete path for current to flow through the armature.  Maybe that is why the device had adjustable brushes so that with the brushes thinned down you could adjust the position for precise energizing of the armature.

Just thinking out loud again.

Carroll

Quick Edit:  If in fact each coil is terminated only to it's own segments then that would mean the current going thrugh the motor side would be totally isolated from the current going through the generator side and vice versa because each coil is separate from the others electrically.

[Ufopolitics]

Hi Ufo,

I have spent several hours now looking at pictures of armatures.  And also gone over again how lap windings and wave windings are connected to the commutator bars.  Almost all of them show two wires connected to each commutator bar or segment.  And whether you use lap winding or wave winding you still end up with two wire ends per segment.  Only the armature in the video and the armature I found on eBay show a single wire going to each segment of the commutator. 

Could it be that since the device only worked wiith a couple of kinds of generators that the armature was different than either a lap wound or wave wound armature?  The Lockridge Device was built originally about 80 years ago.  If you  connect one end of the coil to one segment and the other end to a segment 180 degrees away the circuit would still complete when those two segments came in contact with the brushes.  Or in the case of a 4 pole generator the coils ends would be connected at 90 degrees from one another.

The only problem I see with this idea is that if he brushes were not exactly positioned you would not get a complete path for current to flow through the armature.  Maybe that is why the device had adjustable brushes so that with the brushes thinned down you could adjust the position for precise energizing of the armature.

Just thinking out loud again.

Carroll

Quick Edit:  If in fact each coil is terminated only to it's own segments then that would mean the current going thrugh the motor side would be totally isolated from the current going through the generator side and vice versa because each coil is separate from the others electrically.

Hello Citfta,

Yes, exactly...and I fully agree with your thoughts.

It seems that these old armatures were done in a specific way, and so, I have also been searching, and you can even get a "brand new one" of these old armatures, manufactured back 80 years ago.

They all have identical type of winding.

However, on your comment there is a part that is spot on...having start and end of coils at 180º or 90º...

I have an idea that I have been "rotating" on my mind for a few days now...and recently I was able to design it (on my mind first) and now is on 2D CAD...I will post it next...

Let's analyze it and see if it may work...or not.

Regards

Ufopolitics

[hiwater]

1-Take a Resistance Meter and apply probes on commutator bars at 180º approximately...
2-Then take another reading at 45º...
3-Then test setting probes on 2 bars next to each other's (alternated).

This is what i found out. 180 degrees .2R
45 degrees .2R
Side by side .1

Readings were taken on both armatures . Withe 2 different meters Same results.

In responce to winding armatures Yes I have rewound 14 of the them for this project only. MBrownn and I were doing this at that time. When the rewinding craze Hit. They woud work, but burn up the commutator in less than 2 minutes. theres a lot of inductive kickback leaving every other bar blank. Theres a ball of fire coming off the  the commutator the size of a dime.

So finally abandoned the rewinding of the armature. I can say that all the armature i have tried the ones in question are probably the best ones to use.A lot more effecient for some reason.


Why they are wound like that . I posted what i thought.. Curt.