The X Boat, also called the Cub, is an American sailing dinghy that was designed by John O. Johnson as a one-design racer and first built in 1932.

[1][2] The design was built by Johnson Boat Works starting in 1932 and later by Melges Performance Sailboats in the United States.

[1][2][3][4][5] The X Boat is a simple, sail training and racing sailboat, intended for junior sailors under 16 years of age.

[1] For sailing the design is equipped with a boom vang, a stern-mounted mainsheet traveler and two sets of hiking straps.

With the exception of the boom vang, sail control is minimal so as to emphasize handling skills ...