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Thread: Are axle spacers necessary?

  1. #1
    Join Date
    Feb 2005
    Location
    Chesapeake, Va.
    Posts
    797

    Are axle spacers necessary?

    I have always run axle spacers between the wheel/spur gear and bushing. Most gears and wheels of today have a small spacer molded in. So are axle spacers really necessary anymore? The metals are dissimilar so some galling may take place but I use synthetic oil so it shouldn't be a problem. Just thought I'd get some input on the subject.
    I've done so much with so little for so long it seems like I can do anything with nothing at all.

  2. #2
    Join Date
    Jun 2002
    Location
    Wellington, New Zealand
    Posts
    4,470
    Where possible, I run a .005" spacer between the gear and axle bushing.

    I don't know why, but it has never failed for me
    Zippity

    "Rules are written by FEAR; and that Racers are motivated by the Fear that somebody may have something that gives others an Edge." - Rocky Russo



  3. #3
    Join Date
    Jun 2002
    Location
    St Charles, Illinois, USA
    Posts
    2,319
    thrust washer tends to gall less than aluminum alone.
    l.d. kelley, M.A. Ramcatlarry@aol.com

    60 year pin 1959-2019
    Racing slot cars in America
    USRA 2019 member
    IRRA, ISRA/USA, Hardbodies 1/24 &
    1/32 - Great Lakes Slot Car Club
    retired raceway owner 1992-2007
    Omni/Cidex service center

  4. #4
    Join Date
    Jun 2002
    Posts
    1,902
    Larry, are those thrust washers made from a hardened metal? If so. what types? Years ago, I mainly used brass. Later, I went to Slick 7 SS.
    I like long walks, especially when they're taken by people who annoy me.

  5. #5
    Join Date
    Jun 2002
    Location
    St Charles, Illinois, USA
    Posts
    2,319
    On the commercial cars, I prefer the SS spacers over aluminum or nylon, which are just fine for the homeset type 1/32 cars. If used in stacks, I would have a SS one sandwiching the softer ones for lower mass.
    l.d. kelley, M.A. Ramcatlarry@aol.com

    60 year pin 1959-2019
    Racing slot cars in America
    USRA 2019 member
    IRRA, ISRA/USA, Hardbodies 1/24 &
    1/32 - Great Lakes Slot Car Club
    retired raceway owner 1992-2007
    Omni/Cidex service center

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