I am running a Tiger main on an 18SX mast(comptip). If the lower telltales are flowing the upper half of the sail is stalled.
If the upper is flowing the lower inside telltale is flying up, outside flows. I can't get the entire sail trimmed properly. Also get small wrinkles at second batten unless downhaul is on pretty hard. Have been working on prebend, concerned about going much tighter on the diamonds( 500lbs now). This is a ST main. Any ideas on what to do?