Implements a rotating shaft connected to engine boost components. Uses compressor, turbine, and external torques to calculate the drive shaft speed. Specify one of following configurations: \n- Turbocharger: Connect compressor to turbine (external torque optional) \n- Compressor only: Connect to compressor and provide external torque \n- Turbine only: Connect to turbine and provide external load torque

autoblkBoostDriveShaft