Well I can say making deadeyes perfectly even is near impossible! I showed my technique previously, a page back I think? I use a spacer wire to determine the shroud length when wrapped around the upper deadeye, and they are done in pairs. But then you have to tension them, and that’s where they can get uneven on you. Proper tension is more important than the distance.
I use a clove hitch on the rat lines, and a lanyard hitch on the rope for tensioning the deadeyes.
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