Sailboat is an ancient water vehicle after raft, with a history of more than 5,000 years. According to the number of masts, it can be divided into sloop, ketch and sloop; according to the ship type, it can be divided into flat bottom and pointed bottom; according to the type of head, it can be divided into broad head, narrow head and pointed head.
During the Song, Yuan, Ming and Qing dynasties, China used flat-bottomed sand ships, pointed-bottomed fu ships, wide ships, fast ships and bird ships, as well as large warships, construction and grain transport ships. Sailing boats are usually single-hulled boats, but there are also catamarans for high wind and wave resistance. Sailing boats mainly rely on sailing boats to sail with the help of wind. When there is no wind, they rely on oars, paddles and rods as tools for propulsion, berthing and navigation.
A simple picture of a sailboat in a drift bottle