Phefo's deck salon and cabin tops

Total beam is 6.3 m (21 foot) and standing behind the salon, the top is just chest high (about 1.2 m, 4 foot). There is a passage of 50 cm between saloon and cabin tops. A passage of 40 cm on the outside of the cabin top. The aerodynamic shape is up front to sail to windward, while wind from behind will find a large area to push.