48" J-boats
Hey Rob.
AN EC12 can carry up 1200sqin in an A rig as measured,(plus roaches). Normal lead weight runs 19lbs. 2.5 for hull., plus mast sails and rigging
FIGURE 24.5LBS TOTAL ON A MINIMUM 42 TO MAX 43 WATERLINE, LOA of 58inches
This J boat seems light for overall displacement, and even lighter with sail area. That depth of keel seems to me like it's not being put to good use.