it's true there's not much drag on the ama, but it is on a long arm. lifting amas make a lot of sense on a tri, worth consideration. thx
thx for reply- i'm going to line up clr and csa as much as possible. but mulihulls develop an off-center drag as they heel which creates a turn to...
i'm converting a 7m cat to 2 tris, and it occurred to me that location of the dagger board might be radically different, due to the unequal shapes...
exterior dboars, aka leeboards it can work, you might want to install a cavitation plate.