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Recent content by BillPall

  1. BillPall

    ventillation fans in a vacuum - fans are failing - windings fault to earth

    Hi, I thought of three methods of attack. Two of the methods involved placing the motor outside the chamber. However, as you said there were constraints to prevent placing the motor outside the chamber. I assume that you did not want rotating shafts penetrating the chamber wall. That...
  2. BillPall

    Electric Motor Connections

    eeprom, thank you for an excellent reply to my query. I read it, on my mobile, while in bed at 6am yesterday morning and immediately arose and went to my computer to do some searching for DC motors. I have had some little experience of DC motors. We, three lecturers, used to give second year...
  3. BillPall

    Electric Motor Connections

    Gunnar, thank you for your very prompt reply. I am afraid I under-sold myself. I gained two electrical qualifications, with distinctions. However that was fifty four years ago. Since then I have not needed the precise detailed interpretation I seek for the Sole motor. l/min means litres...
  4. BillPall

    Electric Motor Connections

    I have noticed that the attachment URL on my posting is incomplete: http://files.engineering.com/getfile.aspx?folder=9f1bcbe7-d837-4917-ac36-78 it should be: http://files.engineering.com/getfile.aspx?folder=9f1bcbe7-d837-4917-ac36-7801d4a8eb33&file=Request_for_help_to_Eng-Tips_forum.docx
  5. BillPall

    Electric Motor Connections

    Hello, I would be grateful for help solving a problem. I intend building a low impact exercise machine. It will have levers, gearbox and a generator. I have an electric motor with 8 connections all of them connect to the motor’s stator. I think it may have been part of a washing machine...
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