 This requires heavy rigging with high tension which adds stress to the overall sail rig system; this is not really a disadvantage per se but rather a parameter to consider if rigging a sailboat to use a mast-aft rig.An early successful mast-aft design was built by Prout Catamarans, Ltd.The "Snowgoose" models were offered with a mast-aft rig, and it boasted a number of features that made short-handed sailing easier than with a standard Bermuda rig.