The inner diameter of the shield tunnel is 5. It considers factors such as available torque,mechanical power,normal and shear stresses,material properties,and c sts to customize designs by satisfying specific design c rain,including the main. What is the inner diameter of th turbines had rotors reach a maximum of 115 meters (377. The wind turbine blades. The air-gap length,g,is chosen to be (1/1,000) times the air-gap diameter for turbines rated at 2 megawatts (MW) and below. It includes main shaft, gearbox, generator, brake, bearings, nacelle frame, yaw mechanism, auxili ry crane, hydraulic system, and cooling system. The plug is made from a material for which E=1 MPa, v=0. This report was prepared as an account of work sponsored by.