I want to fit my Dingham Autocouplers using springs and split pins. Where can I get suitable springs?
This method of attaching the couplers is not recommended because it gives a less positive location than gluing or soldering. However, if you really do want to use springs and split pins, I can supply suitable springs for fitting the 7mm couplers at 2.00 for 12, including UK P&P. Note that the pack includes springs only – not the split pins. This is because 1/32in split pins are easily available from outlets such as good hardware shops, whereas suitable springs are difficult to find. At present, I am not proposing to supply springs suitable for the 4mm couplers because this method of fitting seems less popular in the 4mm scales. I may change my mind if customers tell me I should but I’ll need some persuading because I don’t enjoy counting springs into dozens. If you use the spring and split pin method, it is highly recommended that you also use the etched drawgear endplates (coupler pockets) supplied on the Dingham fret. The couplers are a good fit in the etched slots, whereas they are