Are you leaving the main traveller central?
Coming from a 2 sail boat, you will be used to dumping a large amount of main traveller for downwind. F18s and 20s will go around the course with the traveller in the same place [except in light winds].
I was trying to keep the telltales on the main flowing, which usually meant traveling out about a foot.
I won the regatta against boats I used to sail even with the first time with the new rig, so I don't think I was terribly slow. I still would have won with an F18 Portsmouth number, and would have tied for 2nd with an I20 Portsmouth number.
