Holly boy
here i made them to the spec about 70 dollars for 100 springs... it was cheaper than the ready to buy ones at the screw center like 8 dollars each..
anyway you will see its worth! there won't be leakages on the electrical connections, nor bad contacts!
By the way are they very hard?
lots of work here too! i finally have it, its just ready for testing.... the only thing now its that the 70 ohm resistor in parallel with the primaries kind of heats up very fast...and the primary itself also gets pretty hot at extremely low frequencies...
my chokes are onto a arrangement of two pairs of cores forming a cube... so there is one leg left for the primary and one for the feedback coil... each in its isolated bobbin cavity
well you may say this increase the magnetic path length, i don´t really know how does it interfere,....
the coils were wound all in the same direction meaning that the start of the wire is aways closer to the core for example... this makes easy to determine what coil will be connect to where...
it may also have to do with the capacitance between the coils and the core itself so itself also depends on how you connected the coils...
to be fair enough i think the direction you wound it should not have so much importance,, of course it could not give the perfect performance not improving the parasitic capacitance..but i guess it not detrimental for the reACTIOn to happen... any way i wound all in this way...
also i found a way to fix the two transformers to a place such i can transport it without moving wires... see in the pic
