Tag Archives: Coupling

Porter: Detailing and Knuckle Couplers

All english posts, Model Railway, , , ,

Since the first test run some time has passed by, but there have been only a few opportunities to make progress with the tender’s construction. Nevertheless I managed to slip into the shop now and then and today I’d like to summarize the progress.

Tender mit Klauenkupplung und Rangiertritt

Tender with knuckle coupler and conductor’s platform

The most important thing first: the tender’s got a knuckle coupler. On the one hand it seemed plausible to me, since I’m going to model a railroad at the beginning of the 20th century, as mentioned on creating the blueprints. On the other hand I’m hoping for easier operations. I’ve already got some experience with link and pin couplers and I find it quite cumbersome to pull and put the links and pins between the cars with a long set of tweezers. Knuckle couplers however allow for automatic coupling at the best of times, especially if you can set brakes on the cars. Decoupling is even easier if you have cut levers at the side of the cars or use an R/C-controlled servo to pull the pin.

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Porter and Tender: Coupling

All english posts, Model Railway, , ,
Vierkantmutter und Gewindestange verlötet, mit Unterlegscheibe

M1,6 square nut soldered to threaded rod, with washer

Of course, the electrical connection between loco and tender made it necesarry to add a coupling between the two before there could be any test runs. In order to stay close to the prototypical concepts and to make a long-lasting connection, I wanted to use threaded rods and square nuts. Unfortunately there was not enough room on the loco to use nbw on both ends, so I soldered a square nut onto a threaded rod with a diameter of 1,6mm. That way it looks like a genuine nbw from the outside, but can be screwed into the thick plastic frame.

 

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