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This is a 5.5x4.5 Speed 400 electric propeller from Advanced Precision Composites. It is for use on electric powered aircraft only, not for glow powered engines.
Features:
Includes: 5.5x4.5 Speed 400 Electric Propeller, two adapter rings and instruction sheet
Requires: Assembly onto motor shaft or gear drive unit in Electric plane
Specs:
Diameter: 5.5"
Pitch: 4.5
Hub inner diameter: 0.24" (6mm) where rings are installed
Inner Diameter of Rings: 0.188" (4.8mm) and 0.236 (6mm)
This product was added to our catalog on July 31, 2008