Greetings Sailors - I'm fitting a C30 with a C309 furling mast and need a couple of measurements in order to match the 309 rigging. In particular I need the dimensions of the main sheet standup block and padeye relative to the mast centerline. Also, I see the Selden mast plate has two alignment marks embossed on it. They are marked "A" and "B", one is on the centerline of the plate and the other is slightly aft of center. Does anyone know what these marks are intended to align with? Any help with these questions would be deeply appreciated!
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