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I have always liked Marx, but fitting it into the Hi-Rail world is not easy.

But: one K-Marx 4-6-2 chassis, 2 666 boilers, 1 compressor, 1 Marx tender with Lionel coupler hung on rear Marx truck, hacksaw (literally) and epoxy. Runs very well, thanks to the K-Line gearing.

I always liked the gnarly looks of the 666; they are actually fairly husky and wide locos considering their source. I may yet replace the pilot with a better-looking piece. One day, one day.

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@OddIsHeRU posted:

Replacement of my 1939 Christmas present, acquired on e-bay several years ago. My mom donated the original to a wwII scrap metal drive, as I had Marx-My 1939 Setreceived my Lionel set for Christmas, 1941.

Richard, your vintage figure-8 track reminded me of the Marx Twin Train set, which offered two trains operating on a single figure-8 track, with a relay built into a signal and using isolated sections to control the trains at the crossover. I couldn't source one to experiment with, so I ended up creating a more modern version that still used all electromechanical components (no electronics) for control, shown below on my test layout:

I later transferred the system to the embedded figure-8 loop on my main layout, though I seldom go to the trouble of adding the second consist, opting to just run a single train for ease of operation. That, BTW, was not possible on the original Marx set, since it relied on the second train entering the sensing section to trigger the 'release' the first, which was halted in the stop section until released. By contrast, my version's stop section is depowered *only* when the second train is in the sensing section, as in this test configuration which approximates the embedded figure-8 loop on the main layout:

[BTW2, I had to use two small phased transformers to put enough power into the track to run both trains at the same time, which helps explain the sometimes exotic throttle work!]

@RustyJ posted:

I may have to break down and get me a Streamliner one day!

Not a bad idea -- there's enough of them out there that they come up fairly regularly on auction sites, at IMHO reasonable prices, and like all Marx motors, the one in the M10005 is pretty durable and easily repairable if in need of a refurb, as mine was. To my eye, it really evokes an era in railroading that was looking forward to the speed and sleekness of modern bullet trains, yet zips along nicely on just about any conventionally-powered 3-rail track. I'm not big-time into tintype, but this is one of my go-to favorites at the moment.

Last edited by Steve Tyler
@027 Bob posted:

How were you able to keep the Marx engines from reversing each time they stopped?  I've seen videos that show how to defeat their reversing units by wiring a jumper around them,

Is that what you needed to do in order to make this work?    Thanks!

No surgery needed -- I came up with an electrical trick that allows me to use any garden variety engine, including ones with either two-position (Marx) or three-position (Lionel) e-units. Basically, I used fairly low resistance power resistors to trickle a low voltage into the stop section, enough to prevent the e-unit from cycling but not enough to allow the engine to creep forward. I used the same trick to create a trolley stop-and-delay setup:

@Steve Tyler posted:

No surgery needed -- I came up with an electrical trick that allows me to use any garden variety engine, including ones with either two-position (Marx) or three-position (Lionel) e-units. Basically, I used fairly low resistance power resistors to trickle a low voltage into the stop section, enough to prevent the e-unit from cycling but not enough to allow the engine to creep forward. I used the same trick to create a trolley stop-and-delay setup:



Nice. Very creative.

Nice. Very creative.

Well, thanks, maybe . . . creatively adaptive perhaps.

I'm not sure if I heard of the specific use somewhere, but Lionel (and I'm sure others) had suggested essentially the same method to impose a sort of "block control" speed limitation in selective locations, imposing a *very* low-value power resistor between the transformer and an isolated track section in order to automatically slow any consist entering the section (for instance, one with a sharp curve) without having to alter the throttle setting. Raising the resistor value to reduce the trickle voltage enough to stop the engine but not trip the e-unit was a simple application of Ohm's Law , and a bit of fiddlin' . . .

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