How we knew what the problem is in our mast way out of sight:

Black and white messenger is for the main halyard. Deflection is clear. Sheave to left.
Make sure you get this one with the longer focal length.
The Offshore Voyaging Reference Site
How we knew what the problem is in our mast way out of sight:
Black and white messenger is for the main halyard. Deflection is clear. Sheave to left.
Make sure you get this one with the longer focal length.