Originally posted by bistander
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The main purpose of analysis is intended to be from the Magnetic Field and Inductance stand point...as resistance in all the short coils is almost negligible.
About current reversing...please take another look at it...
Looking at the Coils Circuit only (not at commutator), it is basically two negative feeds (same negative, from same source) on each extreme end coils, which are longer and have more turns...from there it derives into short coils which have no end connection, but only fed momentarily by positive brush displacement...and so, the brush movement would be turning ON some sequential coils, while turning OFF some other coils in the opposite rail.
I thought that when brush turns off a coil, by passing its tap to next coil...current will not keep traveling towards that "Dead End" where there is no connection to negative??
Isn't that turned Off Coil really Off?
Originally posted by bistander
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You are putting Brush at 5-4 (12 O'Clock), yes and so positive travels downwards to contacts 12-13 through jumpers.
[IMG][/IMG]
Then you wrote:
Originally posted by bistander
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Bistander, please take a second look at the Coils Circuits again...
The Green Circuit does NOT have a negative connected at its Left End, it is open.
The Gold Circuit does not have a Negative connected at its Right End, it is open.
Why then current should travel towards those two dead ends with same intensity (equal) as if they have a negative "waiting" like the other end which does have a negative connected?
Let's see a Detail of that position of brush at 5-4/12-13:
[IMG][/IMG]
Ok, this is the way I interpret this connection...
The Red Coils on both Circuits means they are ON...all others still with green-gold colors are OFF.
The Red Arrows (top towards Left and bottom towards Right) is the way I see the currents displacement towards the Negative Voltage Potential.
Sorry, but I do not see Currents flowing towards a dead end where there is no Voltage connection.
The Blue Circle is where the Repulse Field is located with that brush positioning.
Originally posted by bistander
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Regards and thanks
Ufopolitics
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