 Mast-aft rigs are viewed as unconventional, and since recreational sailors often choose boats based on what "looks" right, mast-aft rigs face resistance in the recreational market.Racing sailors will use whatever is fastest within class rules, and class rules are generally very closely tied to the conventional Bermuda rig.Another disadvantage of the mast-aft rig, when set up with no mainsail, is the drag on the mast.