Copper vs Steel
One of the point control wires I installed last week has broken where it bends 90º through the point bar, which I think tells me all I need to know about my copper vs steel wire conundrum... Oh well, no going back now. So I‘ve reinforced it with an L pin made from 1.2mm wire through the point bar and soldered it back onto the existing control wire for now.
Meanwhile, new 0.4mm stainless steel wire has arrived, (thank you Wires.co.uk) which means I can