"How the freak do those things stay balanced ? Imagine sailing it in gusty, switchy conditions
Skipper skill
If you are young and skinny, hull width at waterline 15 cm
If you are old and fat, hull width at waterline 30 cm
Try to imagine building a winged monohull by using the rig, wings and one hull of a Hobie 17.
I like my catamaran.