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
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Diameter: 9.00 inches (228.6 mm)
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Pitch: 3.80 inches (96.5 mm)
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Hub Diameter: 0.50 inches (12.7 mm)
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Hub Thickness: 0.33 inches (8.38 mm)
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Shaft Diameter: 0.25 inches (6.35 mm)
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Weight: 0.32 oz (9.07 g)
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Rotation: Counterclockwise (CCW) when viewed from the front (standard tractor configuration)
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Material: Fiberglass-reinforced nylon composite
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Color: Grey
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Product Code: LP09038SF
⚙️ Key Features
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Computer-Optimized Design: Provides a thinner profile for improved aerodynamic efficiency, reduced noise, and better "bite" at lower RPMs.
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Lightweight Construction: Minimizes rotating mass, enhancing throttle response and reducing strain on motors.
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Durable Material: Fiberglass-reinforced nylon composite offers strength and longevity.
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Consistent Performance: Reinforcing fibers help maintain a constant pitch across various RPMs, ensuring reliable and precise performance.
📦 Included Accessories
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One 9x3.8 Slow Flyer Electric Propeller
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One set of adapter rings (LPAR18SF) to fit various motor shaft sizes
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Instruction sheet
⚠️ Usage Notes
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Electric Use Only: Not suitable for glow or gas engines.
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Balancing Recommended: For optimal performance and reduced vibration, it's advised to balance the propeller before use.