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Old 20-02-2017, 08:20 PM   #1
Chops
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Default Trouble with Couplers

https://youtu.be/KXWmNmqAzqU
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Old 20-02-2017, 10:36 PM   #2
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A brill layout you have there Chops. I can just see you changing to old large tension lock couplings.. Mind you, those wagons sure are free running!
Thanks for sharing and making us smile.
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Old 21-02-2017, 04:36 PM   #3
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I should hasten to add the layout, extant since 1987, is that of the El Paso Model Railroad
Club, largely constructed by others. The train is that of a friend, who, ironically, is an 18 year veteran of the Union Pacific Railroad as both engineman and conductor. He made five
attempts to clear that grade, I only caught four, not realizing a story was unfolding before me.
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Old 22-02-2017, 01:35 PM   #4
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I was trying to diagnose the issue.... but you never pointed the camera at the part breaking away each time...

Most likely, it's to do with coupler heights, and the gradient... we have a similar issue on the FLMJ sometimes, but not nearly as predicatble as that... but then, we don't use Kaydee's.
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Old 22-02-2017, 03:49 PM   #5
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The Peco type couplings fitted to Hornby Dublo 2 and 3 rail had similar issues when it came to gradients. They'd hang on better then kadees due to depth, but still could show their limitations.
Mind you, my gradients were more extreme when I had the issues.
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Old 28-03-2018, 04:15 PM   #6
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Thank you for that, it appears the older metal Hornby couplers are
much more reliable than anything made with that shiny plastic, which
seems to bind on any curve.

Um, as to the couplers breaking away upon my friend's train, they are
an American brand, "McHenry," which come standard now for the last
ten years. An imitation of Kadee's, my friend now routinely removes
them and replaces the McHenrys and installs Kadees in their stead.
The McHenrys are entirely plastic and the knuckles have a strong
tendency to pull apart, particularly on longer trains.
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