Here are a few fairly "orthographic" views of Carolinian sails. I'll collect as many useful pics as I can in order to notate the typical tack angle of these and other "Oceanic lateen" or "Crab-claw" sails.
The average tack angles in the above sails are from about 60 to 63 degrees, depending on how you measure them. These seem to be typical for most of the Carolinian sails I've seen.
