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Thread: Commutator Lathe

  1. #1
    Join Date
    Nov 2006
    Location
    Hartford, Michigan
    Posts
    76

    Commutator Lathe

    On my want list is a commutator lathe for HO armatures. I am aware of the Hudy and Cobra commutator lathes for HO scale.

    I have seen pictures of the Hudy commutator lathe but not the Cobra.

    Can anyone post pictures of the Cobra commutator lathe?

    Also, are there any other manufacturers of HO Commutator lathes that I should consider?

    I have heard good things about the performance of the Hudy and I am looking for comments on the performance of both the Hudy and Cobra.

    Lastly, I have a Twister radio control armature commutator lathe with a Carter Tool diamond cutter and I was wondering if anyone has ever converted an RC commutator lathe over to an HO commutator lathe?

  2. #2
    Join Date
    Feb 2005
    Location
    Alberta Canada
    Posts
    51
    Check with Bob,he used to peddle Cobra lathes through Wizzard

  3. #3
    Join Date
    Nov 2006
    Location
    Hartford, Michigan
    Posts
    76
    I talked to the Guru today.

    I am looking for further information prior to making such a substantial investment.

    Any other information is welcomed especially on the conversion.

  4. #4
    Join Date
    Aug 2006
    Posts
    19
    I own a Cobra Lathe and am real satisfied with it. The diamond cutter is a must though. In fact i used my diamond cutter from a Cobra R/C lathe that I have. Works perfectly. I think you can pick up a Cobra for around $189.00 Comes with a carbide cutter.

    Cobra does offer a R/C slot car conversion. Howerver, its a conversion for 1/24 scale arms and not HO. The blocks that hold the arm in place are pretty small and they wont line up with the holes in the base where the existing R/C blocks screw in.

    When I get a chance I'll post a pic.

  5. #5
    Join Date
    Nov 2006
    Location
    Hartford, Michigan
    Posts
    76
    Hello Joe,

    Your pics did not come through. Although, I did find pics of the Cobra lathe they are not that good.

    If you could re-post those pics it would be appreciated.

    Thanks.

  6. #6
    Join Date
    Aug 2006
    Posts
    19
    Heres those pics. The black box on the side is a on/off switch that I mounted. It doesnt come with the Lathe.




  7. #7
    Join Date
    Nov 2006
    Location
    Hartford, Michigan
    Posts
    76
    The cradle system on the Cobra appears to be far superior than the Hudy.

    The Hudy system appears to have too many variables with the tube system.

    Thanks for the picks and your sincere help.
    Last edited by ThChrMn; 11-11-2006 at 04:16 PM.

  8. #8
    Join Date
    Nov 2006
    Location
    Hartford, Michigan
    Posts
    76
    I ended up getting the Cobra lathe with a diamond cutter. I did replace the motor with a quality RC motor. I picked the lathe up from Scale Engineering.

  9. #9
    Join Date
    Aug 2006
    Posts
    19
    Good deal.
    FYI-- Make sure you set the cutting bit just above center of com. Not to high and definitely not to low! Dont remember if they send any shim stock or not but setting up the bit is critical to a professional cut. Practice on a old arm to see where your at and adjust from there.
    Good Luck, Joe

  10. #10
    Join Date
    Jun 2002
    Location
    Rochester, NY
    Posts
    124
    I would also pen the slots on the comm!

    Take a pall point pen, and role it over the slots before you cut, and after you cut!

    It will help in reducing ripped off comms when in the lathe

    It will help reduce brush wear in the car

  11. #11
    Join Date
    Nov 2006
    Location
    Hartford, Michigan
    Posts
    76
    All good info. Thanks guys.

  12. #12
    Join Date
    Oct 2006
    Location
    Central Illinois
    Posts
    44
    I would also pen the slots on the comm!
    Ahh, an old 24th scale trick from the 80's

  13. #13
    Join Date
    Jan 2005
    Posts
    38
    I have a cobra HO lathe also.......I am looking for a good quality diamond bit that definately works with the lathe.......What bit are you guys using with the cobra lathe?...............Anthony

  14. #14
    Join Date
    Aug 2006
    Posts
    19
    I believe I bought mine from Cobra. Its actually the one out of my R/C lathe.

  15. #15
    Join Date
    Nov 2006
    Location
    Hartford, Michigan
    Posts
    76

    Scale Engineering

    They have them and I think they are around $65.00

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