This unique mechanism allowed a straight line movement of the .1875 hard steel rod on the right hand side to move the rudder. This rod was guided by the horizontal piece (on the right) seen in the picture & a bushing mounted in the transom. As the rod is moved for & aft, the crossover clamping piece moves the rudder through the two pivots seen on the left. Notice that the rod is always pulling to activate right rudder. All parts, including the pivot screws, are made of full hard O-1 tool steel.