From memory (& that ain't the most reliable guide these days) the AALS operating code does make mention of them. > It seems that theree is no universal, or even generally agreed, standard for > the couplings between loco (tender) and driving trolley, and trolley and > passenger cars. > > The most common one that I have seen is the flat bar, with pin dropping in > hole in bar and into brackets fixed to each vehicle. > However, the size of bar and pin seems to vary. > > Has anyone any information on couplings? > What does your club use? > > What is used in other countries? > > > alan@xxxxxxxxxxxxxxxxxxxxxxxxxxxxxx > > www.alanstepney.info > Model Engineering, Steam Engine, and Railway technical pages. > > 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. > 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.