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Thread: Question on Scale Trains electric motors

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    Default Question on Scale Trains electric motors

    All my locomotives are Kato except for two different diesel Scale Train locomotives. My system is entirely DC. If I abruptly stop a Kato engine it will "coast down" before stopping. But my Scale Train locomotive stops abruptly and can even cause derailment of the freight cars it is pulling.

    Now this is not how I normally operate my trains but this abrupt stop I get with the Scale Train motors is a bit confusing. Both the Kato and scale train motors have big flywheels which I thought would allow either brand to stop smoothly because of the inertia of the flywheels. Can someone tell me why the Scale Train motors stop so abruptly compared to a Kato?

    Thanks.

    Dave

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    Is the drive train on the scale train locos free and properly lubricated. Friction in the drive train could be causing the abrupt stop.
    - Gary R.

    President & CEO
    Pinnacle & Western Railroad

    I don't always stop for trains, but when ... oh wait!, Yes I do.

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    This is the way they came from the factory.

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    I have been investigating ScaleTrains N models considering some purchases, but have some concerns seeing issues like this with them. They don't seem to be very well established in the market, as few youtube videos (other than the typical marketing and purchased reviews) of them are out there.

    I did find this video which has a good tear down of one of their GE C44-9W but also outlines what is apparently a not uncommon manufacturing problem with them:
    https://www.youtube.com/watch?v=UdcxkIHblxg

    Reading your post after seeing this video leads me to wonder if there's some sort of similar but perhaps not quite as bad mechanical problem going on in yours. Or if these really are engineered with DCC installs in mind using the CVs to limit deceleration instead of the seemingly small mechanical flywheels.

    In any case I would also suggest checking the lubrication. I've seen new models come from manufacturers bone dry on many occasions. To the point where I actually check lubrication before running a new model (after a first initial test run) as a standard new locomotive maintenance procedure.

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