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  1. joewright

    Counteracting electromagnetic remanence

    Yup sure, got some non-polarised electrolytic caps - Didn't know they existed before today!
  2. joewright

    Counteracting electromagnetic remanence

    Problem completely solved with a 47uF capacitor! A nice simple mod to do as well. Thanks for all your help guys, nbucska especially. Joe
  3. joewright

    Counteracting electromagnetic remanence

    Thank you for all your ideas. I had considered wrapping a coil around the outside of the electromagnet, but had not got quite desperate enough to try it yet! The old simple harmonic LC oscillator - should have remembered that from my student years. Thanks nbuckska, I shall definitely be giving...
  4. joewright

    Counteracting electromagnetic remanence

    Hi guys, just discovered this great site, hopefully you can help me! I am tweaking a lock mechanism. It has a steel disk connected to a manually operated lever. The lever moves the disk into position on top of a 12vdc electromagnet while mechanically locking the system. The electromagnet...

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