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                    FAN-PEDIA                                                                                                                                                                                                                                         PROPELLERS
                     Published by                                                                    AEROVENT.COM
                       Aerovent                                                                                                                                                                                      AIRFLOW/ROTATION OVERVIEW
                         ©2017
                                                                 REVERSIBLE PROPELLERS                                                                                                                                                       AIRFLOW DIRECTION
                                                                                                                                                                                                                      Rotation is determined by viewing the propeller
                                    Airflow Direction                                                       Leading Edge of Blade (Standard Flow)                                                                                  from the discharge side of the fan.

                                                                                                            - Air is drawn through the propeller from the
                                                                                                               leading edge of the blades.
                                                                                                                                                                                                                        STANDARD FLOW
                                                                                                                                                                                                                                                                                           Intake


                                                                                                                                                                                                                                         Discharge



                                                                                                                                                                                                                                                                  RH Rotation

                                                                                                                                                                                                                                                        Airflow Direction
                                                                                                                    RH Rotation                                                                                                                     air passes over Motor
                                                                                                                                                                                                                                                       then through Prop
                                                                                                                                                                                                                                                          (Airflow = MP)
                                                                                                                                                                                                                                                      aka: Hub on Discharge

                                     Airflow Direction                                                       Leading Edge of Blade (Reverse Flow)                                                                                                                    REVERSE FLOW

                                                                                                              - Air is drawn through the propeller from the
                                                                                                                 leading edge of the blades.
                                                                                                                                                                                                                                                                             Discharge



                                                                                                                                                                                                                        Intake



                                                                                                                                                                                                                                                RH Rotation

                                                                                                                                                                                                                                                        Airflow Direction
                                                                                                                                                                                                                                                       air passes through
                                                                                                                 RH Rotation                                                                                                                        Prop then over Motor
                                                                                                                                                                                                                                                           (Airflow = PM)
                                                                                                                                                                                                                                                         aka: Hub on Intake                                       35
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