Subject:
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Re: matching motor speeds on mutli-motor trains
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Newsgroups:
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lugnet.trains
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Date:
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Mon, 27 Mar 2000 15:13:14 GMT
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Viewed:
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1972 times
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Larry Pieniazek wrote:
>
> In lugnet.trains, Christopher Masi writes:
> > Today, when my green trolley rearended my red trolley I decided to
> > test my motors. I ranked them in order of speed. Then I thought that it
> > would be bad to have a fast motor paired with a slow motor.
>
> I've been thinking the same thing. I almost always put two motors on each loco
> and I'm beginning to suspect that some of my biggest mismatches, which I've
> perhaps left that way for too long, have actually been causing damage to one
> motor or the other.
>
> How did you test your motors? It seems to me that it would be hard to do this
> precisely enough to get good results when pairing up motors for the same unit
I'm not sure that this would cause that much problem unless the mismatch
was very bad, unless you're really stressing out the motors with long
trains (though I doubt we ever really get close to the load capacity of
the motors due to the couplers). The mismatch should just show up as
equivalent to a higher load on the motor (or higher load on the faster
and lighter load on the slower).
A way you could compare the speed of a pair of motors would be to put
them on oposite sides of a circle of track, and run for some time (say
until the faster motor is an extra track segment ahead). You can then
easily see how quickly the faster motor is gaining.
--
Frank Filz
-----------------------------
Work: mailto:ffilz@us.ibm.com (business only please)
Home: mailto:ffilz@mindspring.com
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Message has 1 Reply:
 | | Re: matching motor speeds on mutli-motor trains
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| (...) Another way, perhaps not as accurate, but possibly more exciting would be to set up a largish oval of track, with power connection(s) symmetrically positioned. Put the motors back-to-back at one of the power connections, and run the motors (...) (25 years ago, 27-Mar-00, to lugnet.trains)
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Message is in Reply To:
| | Re: matching motor speeds on mutli-motor trains
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| (...) I've been thinking the same thing. I almost always put two motors on each loco and I'm beginning to suspect that some of my biggest mismatches, which I've perhaps left that way for too long, have actually been causing damage to one motor or (...) (25 years ago, 27-Mar-00, to lugnet.trains)
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