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Rotor Winding Tooling

Discussion in 'The Garage' started by Jim, Jul 22, 2018.

  1. Hondo57

    Hondo57 XS650 Member

    Nice work Jim. Really appreciate the quality and time spent! Thankyou!!!
     
    gggGary and Jim like this.
  2. Hondo57

    Hondo57 XS650 Member

    gggGary and Jim like this.
  3. 2XSive

    2XSive At least one screw loose behind the handle bars XS650.com Supporter Top Contributor

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    Another fantastic rebuilt rotor received from Jim. Thanks for the awsome service! 16062528029912195475659226912972.jpg
     
    Paul Sutton, Jim and Greyandridin like this.
  4. Jim

    Jim Beyond the edge is the unknown. Here be Dragons XS650.com Supporter Top Contributor

    Just a little note keeping. Move along folks, nothing to see here. :rolleyes:
    475 turns give a more consistent 5.1-5.2 Ω reading. All coils from here on out will be 475 turns.
     
    Paul Sutton likes this.
  5. 2XSive

    2XSive At least one screw loose behind the handle bars XS650.com Supporter Top Contributor

    387
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    So did I buy a rotor short or long on winding lol? Seems to all work great for me, I think I've bought three off you so far!
     
    Paul Sutton and Jim like this.
  6. Jim

    Jim Beyond the edge is the unknown. Here be Dragons XS650.com Supporter Top Contributor

    The first 2 you got from me were 450 winding's. The last was from a batch of 460's. The batch of coils I'm winding right now will be 475 turns. And yeah... you've got 3 of 'em now. Glad you're happy with 'em. Hopefully your kids will be too when you hand the bikes down. :D
     
    Paul Sutton and azman857 like this.
  7. 650Skull

    650Skull SSSSSSSSSlither Top Contributor

    When you say constant, does that mean the ones with less winding may read slightly lower than the 5.1 ohms depending on conditions? like heat and cold.
     
  8. Jim

    Jim Beyond the edge is the unknown. Here be Dragons XS650.com Supporter Top Contributor

    I'm getting about a .2-.3Ω variation for no apparent reason between coils at the same temp with the 450 coils. At 475 turns I'm getting .1Ω's or less. Damned if I know why... It prolly has something to do with the inductive reactance of the coil, but I'm not an electrical engineer.. :umm: :shrug:
    ...and yes, I'm just bein' overly picky. That variation doesn't really matter much in the grand scheme of things. :rolleyes:
     
    Paul Sutton and 650Skull like this.
  9. 650Skull

    650Skull SSSSSSSSSlither Top Contributor

    Thanks Jim, That rotor, i got sent to NZ, from Gary ohms out between 4.7 and 4.9. I didn't know if that was because of Kane's Meter, or after reading about how temperatures can affect copper readings, it was the cool temps in NZ that was causing the readings........That clears it up. Nice to know.
     
    Jim likes this.

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