Posted by PaulW on
URL: https://forum.mymorbic.uk/Lacing-Sail-to-Spar-and-Boom-tp169.html

Could members please tell us what sort of lacing they use, or intend to use, on Morbics to attach mainsail to spar (yard) and boom?
(Maybe include experience/knowledge of other boat designs)
What is the reasoning behind their preference?
What have they tried which was less satisfactory?
Also - Have they found a boom outhaul beneficial?  And why?
Below are two images for reference, and below them, some of my own views.




IMHO -
A - Inhibits endways movement.  OK for yard.
B - Never tried it, but probably like (A) but more so.  Might be good on the yard?
C - Allows some endwise movement. Tends to induce slight corrugations in the sail, which might spoil smooth airflow if used on boom.
D - Never tried it, but probably like (C) but enable better endwise movement.
F – Also in the lower image - (i) Definitely inhibits endwise movement.  (ii) Each hitch involves two sharp turns of line which will chafe. (iii) is bulkier.  (iv) uses more line than any of the others.  (Do you suppose I'm not keen on it?)
BTW - I'm interested because I'd like to try using an outhaul (i) to allow adjustment of draft, (ii)to enable easier reefing (as per Swefn).  Maybe dispense with boom lacing altogether?