Reeving eyes for halyard replacement
Bill, I would suggest that you sew a stout but not large line, something like flag halyard, to your old running rigging and remove it leaving your new messenger line in its place. Now comes the fun part:A very elegant way to finish the bitter end of your new halyard, that in the process creates the easiest way to re-reeve it as well, is to splice a reeving eye into its bitter end. A reeving eye simply put, is an eye splice formed with the cover only. No core. Though not equal in strength to a standard eye-splice, it serves its purposes well as you will soon see. In double braid or sta-set, follow standard directions (like those found in Master Rigger Brion Toss' tome "The Rigger's Apprentice") for a standard eye splice, but remove enough of the core to allow the forming of a an eye made of cover only. Be sure to feather the core and cover and to overlap them nicely after forming your eye. Then secure your new splice with a proper seizing. This will leave you with an eye almost exactly the same diameter as the rope itself that slips easily through your sheave boxes. You can now use your reeving eye as a secure attachment point for your messenger line allowing you to reeve and unreeve your line at your pleasure. You can even safely and easily unrig your halyard(s) after sailing to keep expensive line from being exposed to the sun during extended periods away from the boat. The reeving eye gives a neat, useful finish to all of your running rigging, plus it's a great "Salty