Looking at designs with multiple sails such as Crossbow II, LongShot and the Hobie Trifoiler makes me wonder: Why stop at two sails? Why not 3...
I was reading that iceboats can travel up to 10 times windspeed and can sail at just 7 degrees off the wind. I assume that is possible solely...
I am wondering about the difference in lift between normal sails vs wing sails. If we make some simplifying assumptions like: both types of sail...
Many cats and tris have been made with the hulls placed quite far apart (wide overall beam) in an attempt to keep the sail vertical. Does...