This is a fully controlable RC model of a Thames Barge. It includes the Tactic RC transmitter and receiver She is 48 inches bow to rudder and 11 inches beam. The bow sprit is an additional 10 inches There are 4 servos 1 for the rudder and three for sail trimming Also includes the detachable keel used when sailing the model. There is also an addition to the rudder to give it more depth when on the water Also makes a great static model as it has a flat bottom The top mast can be lowered and the bow sprit hinged back