Originally posted by Dog-One
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Hey Dog-One
Great vid and now I see what you mean. The bi-toroid works off a balanced twin secondary or altered secondary ratio's work of harmonics of the main frequency.
Try it and see.
Does everyone understand my statement? The more windings added to the primary bring about a more direct path back to the primary from the secondary. What we want is the create an impeded flux path back to the primary while the pathways between the secondaries be 100 times less resistance.
Increasing the number of turns effects impedance so the flux path is more directly connect to the secondaries, this will produce a greater draw on the primary.
However the shorter turns just on the primary windings do not increase direct coupling but might allow a higher input voltage to the primary.
Other factors are getting each set of coils identical. This is because we want oscillation equal and opposite in the secondaries at the split primary so tuning might be needed for the new coil arrangement.
Beyond that I don't know what else to say about the addition of the shorter windings with a variety of possible turn pattern vs ratio.
Yet when you think about it those extra coils as short and isolated as they may seem, store energy and induce a higher voltage that is accompanied by a greater density magnetic field.
Let's say normally the primary is 40 turns and you decide to try a shorter coil every other wind so the turns on the large core now drop to 20, instead of 40, so this would maybe lower the current and maybe the stored energy in the other portion of the coils might increase voltage.
Its worth a shot if we can get the thing working in normal operation, who knows THAT might give more control in other ways.
Thanks for the video that make everything much clearer.
Mike
gonna fill the area that is 5/8" high by 3/4 wide this maybe more like 150 turns for me and yes both the same is what I thought.
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