Page 94 - FanPedia - By Aerovent

®
FAN-PEDIA PROPELLERS
Published by AEROVENT.COM
Aerovent OVERVIEW
©2017

ADJUSTABLE PITCH PROPELLERS “W” Propeller

Propeller Overview
• Available in 7 blades only
• Aluminum spinner cap (hub cover) helps streamline
the air intake
• Blade angle settings range from 18 to 42 degrees in
4 degree increments
• 319 Aluminum (Standard Material)
• Available in welded design (Special Coatings Available)
Design 1
• Commonly used on Arr. 4 Direct Drive Fans
NOTE #1 - Rotation is DESIGN 1 DESIGN 3 • Has a larger hub and shorter blades. The larger
determined by viewing SIZES 18” – 43” SIZES 25” – 84” hub diameter allows for drive motors throughout a
the propeller from the air Rotation: LH Only Rotation: LH Only wide range of horsepowers.
discharge side.
Design 3
Note #2 - To reverse • Commonly used on Arr. 9 Belt Driven Fans
airflow, the propeller • Has a smaller hub and longer blades. The smaller
blades are rotated 180 hub allows for weight reduction on the fan shaft &
degrees (bushing is always Intake compensates for air restriction by the belt tube.
accessible for proper Airflow Direction & Rotation
tightening onto shaft) • Blades can be rotated 180 degrees if reversed
airflow is required (spinner cap/hub cover omitted)
Discharge

STANDARD AIRFLOW
(PM) Discharge
air passes
through Prop
then over Motor
aka: Hub on Intake
Intake Standard Configuration Reverse Configuration
PM Airflow MP Airflow 48