Thanks for all your great advice so far.
I'm not sure if the sheave is v or u shaped as she is in ON and I'm currently in BC.
I really don't want to have to take the masts down again to replace the sheaves either. So I'm hoping that I can find a suitable solution, one that will last at least a few years before I have to rethink.
sailingdog, your advice on the Novabraid Polyspec is exactly what I suspected, but I guess I just needed some reassurance. Perhaps we can go with a tapered line to be easier on the hands.
I'll definitely inspect the sheaves for all 3 haylards as well.
Can't wait to get sailing.