The crosscut will wear out faster due to the threads not being aligned with the loads and draft will move about and vary more as pressure changes.
I would take a good crosscut dacron jib any day over a tired radial/tri radial jib.
Please keep us informed! Sailmaking is very interesting stuff.
Is that the main issue between a crosscut and radial cut dacron jib- the stresses on the stitch lines? I would assume that, but hadn't ever thought about it that way. I assume that with radial cut laminates the loads are transferred along the more load bearing aspect of the weave. Wouldn't a crosscut laminate sail be better than a radial cut then if the seams are really well done?
