Description
This is the APC 9x3.7 Slow Flyer "SF3D" Propeller. APC propellers are manufactured using a pultrusion process which allows for a higher fiber (60%) to resin (nylon binder) density. This provides substantially higher strength and stiffness than glass-filled nylon. The additional stiffness is beneficial to control vibration resonance response. The higher strength allows the use of thinner cross-sections, beneficial to weight and aerodynamic efficiency.
Features:
- Computer-optimized design gives these props a thinner profile and more "bite" with less noise
- Lightweight molded nylon construction reduces rotating mass for higher output and longer life
- Reinforcing fibers help maintain true, constant pitch at any RPM
Specifications:
- Propeller Diameter: 9in (228.6mm)
- Pitch: 3.7in (93.98mm)
- Hub Diameter: 0.5in (12.7mm)
- Hub Thickness: 0.16in (4.064mm)
- Shaft Diameter: 0.22in (5.5mm)
- Weight: 0.18oz (5.1g)
- Rotation: CCW (Standard/Tractor)