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  1. I had a similar problem with my heavy 10. ...

    I had a similar problem with my heavy 10. Instead of redoing the babbit, I simply melted out the babbit and used large flat washers and let the clamp float. That way there is no stress on the TA. ...
  2. Sell the PP's and get a rotary. Tom

    Sell the PP's and get a rotary.

    Tom
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    Video of electric motor manufacture

    YouTube

    Tom
  4. When does it become more economical to have true...

    When does it become more economical to have true 3 phase brought in compared to the initial and maintenance costs of creating 3 phase?

    Tom
  5. I suspect what 9100 says about the coating is...

    I suspect what 9100 says about the coating is important simply because unless the unit is in a vacuum, the aluminum will tarnish quickly.

    Tom
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    Why not? Cash hand scraped in a Madison grinder...

    Why not? Cash hand scraped in a Madison grinder nearly as big a couple of years ago.

    Tom
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    A good offense is the best defense. Tom

    A good offense is the best defense.

    Tom
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    Without knowing more about the motor or bushing,...

    Without knowing more about the motor or bushing, a lot of the small motors had bearings made from porous bronze for oil retention and were not simple round cylinders but rather spherical for self...
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    Under the circumstances, I would seriously think...

    Under the circumstances, I would seriously think about a VFD. They are quiet, true 3 phase and well within your power requirements particularly if you have 230 single phase. They offer other...
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    Just try having the super truck out pull a 110...

    Just try having the super truck out pull a 110 year old 150 hp Case steam tractor.

    Tom
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    Has the white metal die cast zinc or aluminum...

    Has the white metal die cast zinc or aluminum pulley, shown on the shaft of the motor, had the 'V' been trued? My experience with even the best of them is that they are not true, neither balanced or...
  12. Remote and unattended, is this correct? If so,...

    Remote and unattended, is this correct? If so, what good is a pony motor unless you plan on starting the RPC only and just let it run continuously.

    Tom
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    Or if the OP doesn't want to mess with the...

    Or if the OP doesn't want to mess with the machine controls, mount a separate control panel.

    Tom
  14. I am a little out of my pond on this one, but...

    I am a little out of my pond on this one, but from a simplicity standpoint, it appears that the best is an inverter coupled to a step up transformer for the hydraulic motor.

    Tom
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    A lot of small appliance motors back then were 2...

    A lot of small appliance motors back then were 2 wire only, no safety grounds.

    Tom
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    Yah, well..7014...try that with 6011. Tom

    Yah, well..7014...try that with 6011.


    Tom
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    You need the contactor that John pointed out and...

    You need the contactor that John pointed out and is show in the reference diagram from rons post.

    Tom
  18. I would also suggest that the idler be connected...

    I would also suggest that the idler be connected through a resistor during startup to reset the magnetic field of the stator. There will be an amount of residual magnetism at startup that needs to...
  19. Don't forget the other part of this equation, you...

    Don't forget the other part of this equation, you need to have someone to buy what you make. Scout around for prospective clients before committing to this. These machines are not much fun to run,...
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    No, it escapes into space. Tom

    No, it escapes into space.

    Tom
  21. What part is missing, the moveable central...

    What part is missing, the moveable central portion? If you cannot find a replacement, you may have to make your own parts.

    Tom
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    Anyone for a new micrometer to measure in...

    Anyone for a new micrometer to measure in plancks?

    Tom
  23. Double, triple and quadruple threads are not...

    Double, triple and quadruple threads are not something that most people know about.

    Tom
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    First choice is millboard insulation. This is a...

    First choice is millboard insulation. This is a ceramic fiber board to replace asbestos. A high temperature insulating blanket like material is rock wool. It will stand 1500F.

    Tom
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    For my own curiosity, is the 1805 measurement...

    For my own curiosity, is the 1805 measurement with a tachometer? Unless you are using a VFD, you are above synchronous speed. Normal speed for a 60 hz 4 pole motor is 1800-slip rpm which will get...
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