Example 210 a twin rudder - tiller steered system like used on the Elan 310. The deck bearing is a special tiller shaft bearing available at Jefa Marine.
Please click on the image to open a 3D PDF model in a separate window. By clicking on it and holding the left button while moving, you can rotate the model.
Example 211 a common twin rudder - tiller steered system. The tiller-idler shaft runs on twin roller bearings and drives both rudders with draglinks.