Wiring simplicity.
"U" Coils facing like so: [ ][ ] The two center on a gliding rail.
A contact at each end of the throw can energize all four of the coils simultaneously. The push switch's stay magnetized untill they're shut off by the opposite power surge. One pulse would turn both push coils off and magnetize the two idle coils at the same time. So the motor would have two power pulses in, to all four coils at the end of each transit. Perfect self regulated timing. Just load and fire the same value capacitor through the two contacts serially.
Just imagine two disk capacitor electrodes, one on each end , contacting the four wire coil electrodes. One capacitor and the coil wire contact points on each end.
"U" Coils facing like so: [ ][ ] The two center on a gliding rail.
A contact at each end of the throw can energize all four of the coils simultaneously. The push switch's stay magnetized untill they're shut off by the opposite power surge. One pulse would turn both push coils off and magnetize the two idle coils at the same time. So the motor would have two power pulses in, to all four coils at the end of each transit. Perfect self regulated timing. Just load and fire the same value capacitor through the two contacts serially.
Just imagine two disk capacitor electrodes, one on each end , contacting the four wire coil electrodes. One capacitor and the coil wire contact points on each end.
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