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Old 04-28-2019, 08:02 PM   #21
rkenney
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Originally Posted by tjcruiser View Post
Hey Bob,

I love the final solution. But, in thinking it through, do you think the pivoting pendulum bar SHOULD have rested on the frame cross-bar to begin with? I.e., perhaps Lionel intended that to happen, and somehow yours (as found) just got bent out of whack somewhere in its life?

Perhaps???

Great story ending!

TJ
I guess its possible. The difficulty with that is that it is a healthy little piece of metal, probably a little more than 1/8 inch. bending it the small amount I did was no easy task so if that was its original shape how did it get bent?

Just as a point of clarification, the manual lever to hold it open also prevented it from hanging down further (towards the brass rod). The manual lever was also at the limits of its travel and solidly riveted to the frame (so I couldn't easily have modified it to allow more travel).

Its also possible that when the pivots were less worn they made a better ground.
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Old 04-29-2019, 06:30 PM   #22
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Hi Bob,

Good observations / questions above. In the realm of possibilities, if I had to place a bet: I'd speculate that the pendulum was as you originally found it, but that the pivot had a bit more "meat" so as to give a better ground there.

My two-cent bet!

Cheers,

TJ
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Old 04-29-2019, 07:38 PM   #23
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I really liked the way it turned out. Particularly that I didn't have to add any hardware. Bending the switch pendulum did solve the ground problem and makes for consistent operation.

Of course you are sort of stuck with a Marx type 2 position only E-unit, but its authentic and original. Hope the posts help somebody tame a sporadic pendulum reverse unit,

On to the sheetmetal!!
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Old 04-30-2019, 05:55 PM   #24
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Bob, this two-part, old-school pendulum e-unit tutorial has been a GREAT addition and resource to anyone rolling up their sleeves into one of these. Your detailed photos and descriptions are the poster-child for how to "share the knowledge" here on MTF.

Thank you!!!

TJ
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Old 04-30-2019, 05:57 PM   #25
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A question, though, Bob...

For continuity (and future member search and find reference), should we merge your two pendulum threads into one? Is there a reason why you split them into two?

I'm thinking it would be nice to have all of the photos / dialog under one location.

Your thoughts? (As a Mod, I think I have the magic decoder ring that lets me merge threads, if needed.)

TJ
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Old 04-30-2019, 07:18 PM   #26
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Merge away TJ. Use your magic de-coder ring for the good of MTF!
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Old 05-03-2019, 06:41 PM   #27
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Hocus. Pocus. Done!



TJ
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Old 05-04-2019, 12:14 PM   #28
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A little Hocus-Pocus of my own:

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