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FAN-PEDIA                                                                                                                                                                                                                                         PROPELLERS

                     Published by
            Twin City Fan & Blower                                                                                                                                                                                                                                               OVERVIEW
                         ©2017                                                                 TCF.COM

                                                               ADJUSTABLE PITCH PROPELLERS                                                                                                                                            “Axico” Propeller



                                                                                                                                                                                                               Propeller Overview
                                                                                                                                                                                                               •  Available in 8 & 10 blades (based on hub type)
                                                                                                                                                                                                               •  Hub: heat treated A356-T6 Aluminum
                                                                                                                                                                                                               •  Blades: high pressure die-cast of A380 Aluminum or
                                                                                                                                                                                                                  sandcast 713 Tenzaloy. Differs by fan size.
                                                                                                                                                                                                               •  Left hand rotation only
                                                                                                                                                                                                               •  All sizes utilize a straight bore hub
                                                                             LH ROTATION                                                                                LH ROTATION
                                                                                                                                                                                                               •  Sizes are in metric Centimeters (cm)
                                                                                                                                                                                                               Adjustable In-Flight
                                                                                                                                                                                                               •  Blades are “In-Flight” adjustable by using air
                                                                                                                                                                                                                  pressure supplied between a pneumatic diaphragm
                      ADJUSTABLE (IN-FLIGHT)                                                                        ADJUSTABLE (AT REST)                                                                          and a positioner to simultaneously change the blade

                              SIZES: 32” (080) – 79” (200)                                                              SIZES: 32” (080) – 79” (200)                                                              pitch while the impeller is rotating at motor speed
                                          Rotation: LH Only                                                                          Rotation: LH Only                                                         Adjustable At Rest
                                                                                                                                                                                                               •  Blades are adjustable but considered “Fixed Pitch”
                                                                                                                                                                                                                  because they can only be re-pitched when the fan is
                                                                                                                                                                                                                  stopped
                                                                                                                                                                                  Intake
                                                                                                                                                                                                               Airflow Direction & Rotation
                                                                                                                                                                                                               •  Standard configuration only. See examples below.
                   NOTE - Rotation determined by
                    viewing the propeller from the
                                   discharge side.



                                          STANDARD AIRFLOW
                                                        (MP)                                                               Discharge
                                                 air passes over                                                                                                                                                                                              Standard Configuration
                                                    Motor then                                                                                                                                                                                                            MP Airflow
                                                  through Prop

                                               aka: Hub on Discharge
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