APC Slo-Flyer Prop, 9 x 3.8SF

The APC 9x3.8 Slow Flyer Electric Propeller (APC09038SF) is engineered for electric-powered RC aircraft that prioritize slow, stable, and efficient flight. Its lightweight design and optimized aerodynamics make it ideal for park flyers, indoor models, and multirotor applications.

🔧 Specifications

• Diameter: 9.00 inches (228.6 mm)

• Pitch: 3.80 inches (96.5 mm)

• Hub Diameter: 0.50 inches (12.7 mm)

• Hub Thickness: 0.33 inches (8.38 mm)

• Shaft Diameter: 0.25 inches (6.35 mm)

• Weight: 0.32 oz (9.07 g)

• Rotation: Counterclockwise (CCW) when viewed from the front (standard tractor configuration)

• Material: Fiberglass-reinforced nylon composite

• Color: Grey

• Product Code: LP09038SF 

⚙️ Key Features

• Computer-Optimized Design: Provides a thinner profile for improved aerodynamic efficiency, reduced noise, and better "bite" at lower RPMs.

• Lightweight Construction: Minimizes rotating mass, enhancing throttle response and reducing strain on motors.

• Durable Material: Fiberglass-reinforced nylon composite offers strength and longevity.

• Consistent Performance: Reinforcing fibers help maintain a constant pitch across various RPMs, ensuring reliable and precise performance.

📦 Included Accessories

• One 9x3.8 Slow Flyer Electric Propeller

• One set of adapter rings (LPAR18SF) to fit various motor shaft sizes

• Instruction sheet

⚠️ Usage Notes

• Electric Use Only: Not suitable for glow or gas engines.

• Balancing Recommended: For optimal performance and reduced vibration, it's advised to balance the propeller before use.