rpc

  1. Tinker.in.the.shop

    RPC - All the parts but lacking the brains

    Hi All (UK resident), Last year I purchased some plans for a rotary phase converter (220v single-phase input >>> 415v 3-phase output) that used a similar HP running motor as I would need, so it was ideal as all the components listed would be of a suitable capacity for my use. I started...
  2. Ulma Doctor

    3HP Rotary Phase Converter

    I had a request from a good friend, to build a Rotary Phase Converter for his brother's, new (to him) Hardinge lathe. the requirements were straightforward, run a 3 phase machine on 240v single phase supply. the lathe has a 1hp main drive motor , runs a small coolant pump and a 1/4hp variable...
    • Ulma Doctor
    • Thread
    • 3hp rpc rpc single phase converter ulma doctor
    • Replies: 3
    • Forum: ULMA DOCTOR
  3. 4

    Rpc I've Built Won't Get Motor Up To Speed.

    I've taken a small RPC that's been in the family for several years and used to power 3 to 5 HP motors. Currently have this set up with a 3 HP pony motor and trying to start a 2 HP that is located about 56 feet from the RPC. The motor I'm trying to start is under somewhat of an load. That is a...
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