> The screw coupling was the one I am thinking about. Does the shunter > still > not have to crawl in between the cars to tighten up the screw by rotating > it? > > Jesse Yes indeed. But first he (usually the fireman) has to swing the link onto the hook. The screw is then tightened to a point determined from experience. This is all done with the buffers compressed. I have done it a few times myself - it's the sort of thing that makes you realise why you play with models rather than fullsize. Barrie MODEL ENGINEERING DISCUSSION LIST. To UNSUBSCRIBE from this list, send a blank email to, modeleng-request@xxxxxxxxxxxxx with the word "unsubscribe" in the subject line.