coupling 140 forward and aft support bearings 152 and 154 respectively are positioned within and are supported by nacelle 106 bearings 152 and 154 facilitate radial support and alignment of shaft 134 rotation of shaft 134 rotatably drives gearbox 136 that subsequently rotatably drives shaft 138 typically a lubrication oil is used within gearbox 136 shaft 138 rotatably drives generator 132 via coupling 140 and shaft 138 rotation facilitates generator 132 production of electrical power gearbox 136 and generator 132 are supported by supports 142 and 144 respectively in the exemplary embodiment gearbox 136 utilizes a dual path geometry to drive high speed shaft 138 alternatively main rotor shaft 134 is coupled directly to generator 132 via coupling 140 also positioned in nacelle 106 is a yaw adjustment mechanism 146 that may be used to rotate nacelle 106 and rotor 108 on axis 116 shown in fig1 to control the perspective of blades 112 with respect to the direction of the wind mechanism 146 is coupled to nacelle 106 meteorological mast 148 includes a wind vane and anemometer neither shown in fig2 mast 148 is positioned on nacelle 106 and provides information to the turbine control system that may include wind direction and or wind speed in alternative embodiments mast 148 can be mounted on hub 110 and extend in a direction in front of rotor 108 a portion of the turbine control system resides within control panel 150 the turbine control system tcs controls and monitors various systems and components of wind turbine 100 a plurality of sensors are distributed throughout wind turbine 100 and the status of various conditions e g vibration level temperature etc are monitored the sensed conditions are utilized by the tcs.