Perhaps we can easily resolve this question of hole size if someone has a digital caliper available such as
Digital Caliper from Harbor Freight.
I'm thinking if someone measured the four holes fore and aft and beam to beam ... that would give us an indication of a range to guess what they were originally cut to. And then also measure the hole in the rudder hardware as another confirmation.
But in any case it would also document the effect of wear on those holes ... I haven't seen a pin with grooves worn into it ... so wear if at all must be at the holes ... although you would think that wear would show somewhat equally and a detectable grove would be present in the pin if we were going to have enough wear to detect a clicking action that wasn't originally built in.
