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FAN-PEDIA                                                                                                                                                                                                                                         PROPELLERS

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


                                                                                                                                                                                                                                     “B Series” Prop

                                                                                                                                                                                                                                       (Backswept Prop)
                                                                                                                                                           RH ROTATION

                                                                                                                                                                                                                 Propeller Overview
                                                                                                                                                                                                                 •  Available in 2, 3, 4, 5, 6, 9, 10 and 12 blades
                                                                                                                                                                                                                 •  Blades can be trimmed to meet any diameter
                                                                                                                                                                                                                    from 12” to 81”
                                                                                                                                                                                                                 •  Uses split taper lock bushings, straight bore not
                                                                                                                                                                                                                    available due to the die cast hub
                                                                                                                                                                                                                 •  319 Aluminum (Standard Material)

                                                                                                                                                                                                                 Airflow Direction & Rotation
                                                                                                                                                                                                                 •  Blades can be rotated 180 degrees for reversed
                                                                                    ADJUSTABLE PITCH PROPELLERS                                                                                                     airflow
                                                                                                            SIZES 12” –  81”
             NOTE #1 - Rotation is determined                                                                Rotation: RH Only
                 by viewing the propeller from
                        the air discharge side.

               Note #2 - To reverse airflow, the
                  propeller blades are rotated                                                                                                                                   Intake
                180 degrees (bushing is always                                                                                                                                                                                                                                                    Standard
               accessible for proper tightening                                                                                                                                                                                                                                              Configuration
                                   onto shaft)                                                                                                                                                                                                                                                  MP Airflow

                                                                                                                                                                                                                  Discharge

                                     STANDARD AIRFLOW                                                                Discharge
                                                    (MP)
                                                                                                                                                                                                                                                                                                   Reverse
                                            air passes over                                                                                                                                                                                                                                   Configuration
                                               Motor then                                                                                                                                                                                                                                       PM Airflow
                                             through Prop                                                                                           Intake
                                           aka: Hub on Discharge
                                                                                                                                                                                                                                                                                                                  45
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