Reality Check

[Brion Toss]

Hi again,
The measurement you need is to the chainplates, not the side of the boat; the chainplates set the length of the lever arm that produces rig loading. Run things again, measuring, for convenience, to the upper shroud chainplates, which are typically athwart the mast. You'll get higher numbers. The question is, how high? I am going to bet that 9/32" uppers and jibstay will be right, with maybe 1/4" lowers and backstay.
Fair leads,
Brion Toss

[JohnV]

Thanks. I'm going to go up and measure to the chainplates in the next day or so and re-calculate. Occurs to me, though, that I'll still have to go with TBs that have 1/2" pins, since I replaced the chainplates already. Unless there's a way to bush them.