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  1. DRL

    VPI - Vacuum Pressure Impregnated motors

    In another work life I was involved with Heavy Component Rebuild of very large mining and locomotive traction motors. One aspect of electric motor service life after rewinding and so forth was a process known as VPI or Vacuum Pressure Impregnation of varnish to the devices, this was applied both...
  2. DRL

    Charging question - newbie

    My battery pack consists of 4 X 15 ah SLA batteries. The charging receptacle is a 2 wire, center positive RCA style plug. The output receptacle from the pack to the bike is like a computer cord style 3 pin plug. Could the pack be charged via the 3 pin plug safely? (I don't see any...
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