Subject:
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Re: Wear out patterns in LEGO train motors...
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Newsgroups:
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lugnet.trains
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Date:
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Tue, 20 Jun 2006 18:17:25 GMT
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Reply-To:
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CJMASI@*NOGARBAGEPLEASEspamcake*RCN.COM
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Viewed:
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2747 times
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Mark Bellis wrote:
> In lugnet.trains, Christopher Masi wrote:
> > So... through NELUG, I have been involved in the Millyard project in the
> > SEE Science Center in Manchester, NH. The other day, we took one of the
> > engines off the track, and removed it's dead motor. The motor had died
> > because the springs had failed (no real surprise there). The motor was
> > the leading motor on a 4 car train, and the springs on one side of the
> > motor had failed. The trailing motor on the engine was fine. • [...]
>
> If the trailing motor was slightly faster than the leading motor, it would have
> pushed the leading motor harder into the curves, thus compressing the springs on
> the outer flanges more, leading to premature failure.
>
> When making a 2-motor engine, I run any unused train motors I have round a large
> oval layout (all facing the same way round) and see which ones are fastest by
> swapping them when one catches up with another. I also test that they will all
> bunch up in reverse and then separate when going forwards again. When they are
> all in order of speed, I pick two of similar speed and put the slightly faster
> one at the front. • [...]
>
> Mark
Mark,
Good suggestion, but I don't know if it will work for us. The display
is at a museum, and I don't know if that is something that the staff
would be willing to do.
Chris
--
http://users.rcn.com/cjmasi/lego/
Learn about brittle bone disease
http://www.oif.org/
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Message is in Reply To:
 | | Re: Wear out patterns in LEGO train motors...
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| (...) It's too late for this particular motor to determine whether it ran slightly faster or slightly slower than the trailing motor. If the trailing motor was slightly faster than the leading motor, it would have pushed the leading motor harder (...) (18 years ago, 19-Jun-06, to lugnet.trains)
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