Master Airscrew 20x6 Classic G/F Nylon Propeller (MASQ1446)

This is a Master Airscrew Injection-Molded Fiberglass-Filled Nylon Popeller. Designed for Giant Scale and WWII Airplanes. The Classic Prop is Designed to Look Scale on Piper Cubs and Similar Aircraft from the 1930s and '40s.       FEATURES Nasa Airfoils and Constant-Pitch Designs enable this Propeller to deliver more Thrust at Lower RPM. The Latest in Engineering Technology used for this Updated Design. Lower Noise and Accurate Balance Available in a Wide Array of Sizes to Suit Every Application. Propeller is totally fuel-proof. The Blades have an Elliptical Planform with rounded tips     INCLUDES One Black 20x6 Fiberglass/Nylon Propeller     SPECIFICATIONS Center Hole Diameter: 3/16" approx. Propeller Diameter: 20" Propeller Pitch: 6"     REQUIREMENTS Depending on the engine crankshaft size, the propeller may need to be reamed to a larger size using GPMQ5005 (SAE) or GPMQ5007 (Metric).     COMMENTS Four-stroke engines are typically higher torque engine