Having the proper Daggerboard trim really helps with windward ability and keeping the boat from heeling too much and feeling overpowered when sailing to weather, especially with the lighter sailor.
Here is a tuning guide for the daggerboard:
Wind Range 0-8 knots 8-12 knots 12-16 knots
Daggerboard Max down Max down Max down
Wind Range 16-24 knots 25+ knots
Daggerboard 0-50 mm up 30-70 mm up