At the time I sent my switch for manufacturer inspection, I also suggested several other improvements needed including the guard rail and checking the wing rail into the stock rail. Another improvement was a simple piece of bent brass shaped to cover the throwbar and limit ingress of rubbish. I found this improved the reliability of my switches. Alas, the company was only interested in the frog as it was the easiest to correct. The designer of the wide-radius was also the designer for the Atlas ‘h.o.’ series of switches. Even the simple Atlas brand switches had more sophistication than the largescale switch. Aristo seemed to be looking to a starter set type switch only and not an engineered switch.
I remember years ago criticising the switch on the manufacturers forum for its simplicity and lack of real engineering design, more suited , like its bigger brother the #6 switch, to a sheletered life indoors and not the rigours of an outdoor life. I was severely lambasted by the ‘inner few’ cronies who saw no evil with anything the company did. Was I proven right???