Subject:
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Re: Reversing Loop without Insulated Tracks
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Newsgroups:
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lugnet.trains
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Date:
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Wed, 11 Aug 2004 04:31:24 GMT
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Viewed:
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1538 times
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In lugnet.trains, David Laswell wrote:
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In lugnet.trains, Ross Crawford wrote:
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Yes, that is correct. The electrical contact is not made by the switching
section of rail. I doubt you would cause any damage to the motors - any
damage would be to the controller. They seem to be pretty tolerant
electrically, but as Lar said, continued shorting, even if momentary, may
eventually cause damage.
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I’m not a big Train-head, so I’m trying to figure out where the problem is
from various bits of this discussion. Is the problem that one pair of wheels
is connected to power flowing in one direction and the other is connected to
power flowing in the other direction, or is it that one pair of wheels is
under power while the other is not?
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Neither. The electrical pickup on the train motor picks up power from both
axles. So when one axle has traversed B to the short section of track, the power
pickup will connect the outside rail right through the loop, shorting the
controller. This will effectively remove power to the motor, and if the motor
isnt going fast enough to get the second axle over the switched section of B,
the controller will remain shorted.
ROSCO
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Message is in Reply To:
 | | Re: Reversing Loop without Insulated Tracks
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| (...) I'm not a big Train-head, so I'm trying to figure out where the problem is from various bits of this discussion. Is the problem that one pair of wheels is connected to power flowing in one direction and the other is connected to power flowing (...) (20 years ago, 11-Aug-04, to lugnet.trains, FTX)
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