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Tuesday, 2 August 2022

Have you ever lost coupling hooks?

That is, the hooks from traditional UK closed bar couplings. Mysteriously two came free and were lost causing coaches in a train to break loose.

It was the Bachmann variety. A search of the usual stockists did not reveal any but there were Hornby variants available. They were quite cheap but would they fit the Bachmann frame? I was not going to try.

All I could find of the Bachmann were packets of complete coupling assemblies. Needing only two hooks it would have cost about £12 the pair, a bit expensive for two small hooks. Maybe I could make a replacement. 

I had some spare brass sheet about the same thickness as a Bachmann hook so set about carving two out using a Bachmann as a template. Brass is ideal as it holds its form well when working with small parts. The most difficult part was making the clip end so it did not fall off the bar that it swivels around.

Photo shows the Bachmann and two brass fabrications. The clip (left side of hook) in the bottom one is not formed well enough. This was overcome by bending its end to close the circle a little, another advantage of making it in pliable brass rather than brittle plastic.

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