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  1. R

    need info for proportional controller

    i got 2 of these from another pack rat he said they date from the 80's i tested them with a light bulb and they work ok i can not find a datasheet for them would one of these, a rectifier, and capacitor work for a stepper power supply...
  2. R

    howto remove platter from hd spindle

    Can someone tell me how to remove the platters from this spindle motor without using cutting tools Richard
  3. R

    Identify a capacitor

    A capacitor in a power supply exploded. It is 2200uf 25v. I attached a photo of the other side. Is this just a "standard" capacitor?
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