HQProp Slow Flyer Prop For Indoor 3D Aerobatics 8X4.1SF-CRN (1CCW) Propeller - Dark Grey

Name: HQProp Slow Flyer Prop For Indoor 3D Aerobatics 8X4.1SF-CRN (1CCW) Propeller - Dark Grey
Brand: HQProp
SKU: DRFC-1654
Price: 219.00 INR
Availability: OutOfStock

₹219.00 (Inclusive of all taxes)

Out of Stock

The HQProp 8X4.1SF-CRN is a 2-blade slow-flyer propeller designed for indoor 3D aerobatics and precise control on multirotor drones. Constructed from carbon-reinforced nylon, it offers a durable and lightweight solution for pilots seeking enhanced low-speed stability and maneuverability.

Features

8-inch diameter with a 4.1-inch pitch for optimized slow-fly performance.
Carbon-reinforced nylon (CRN) construction for durability and vibration dampening.
Designed specifically for indoor 3D aerobatics and precise control.
5mm shaft bore with a 10.2mm hub diameter for secure mounting.
Single CCW (counter-clockwise) rotation propeller.

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Description

The HQProp 8X4.1SF-CRN propeller is engineered for pilots who prioritize low-speed control and stability for indoor 3D flight. Its specific diameter and pitch combination generates smooth, predictable thrust, allowing for precise throttle management and complex aerobatic maneuvers in confined spaces.

The carbon-reinforced nylon material provides an excellent balance of rigidity and impact resistance, reducing the risk of blade deformation during flight. This construction also helps absorb vibrations, contributing to cleaner flight controller feedback and smoother video footage from onboard FPV systems.

Key Features

Slow-Fly Aerodynamics: The 8X4.1SF profile is optimized for high thrust at low RPMs, ideal for 3D aerobatics and indoor flight where quick, precise throttle response is critical.
Carbon-Reinforced Nylon Build: Offers superior strength-to-weight ratio compared to standard nylon, enhancing durability while maintaining a lightweight profile for efficient motor operation.
Precision-Molded Hub: Features a 10.2mm diameter hub with a 6mm thickness and a precise 5mm bore, ensuring a secure, concentric fit on motor shafts to minimize imbalance.
Vibration-Dampened Design: The material properties and blade design work to reduce high-frequency vibrations, leading to smoother flight characteristics and improved FPV video quality.

Applications

Indoor 3D aerobatic quadcopters and multirotors requiring precise low-speed control.
Slow-fly and cinematic drones where smooth, stable thrust is prioritized over top speed.
Training builds for pilots learning acrobatic maneuvers in confined spaces.
Lightweight freestyle builds focused on technical, flow-style flying rather than high-speed racing.

Technical Specifications

Propeller Diameter	8 inches
Propeller Pitch	4.1 inches
Blade Count	2
Rotation Direction	CCW (Counter-Clockwise)
Material	Carbon Reinforced Nylon (CRN)
Hub Diameter	10.2 mm
Hub Thickness	6 mm
Shaft Bore Size	5 mm
Adapter Rings Included	No
Weight (per propeller)	5 g
Color	Dark Grey

Frequently Asked Questions

What is the main advantage of a 'slow-fly' propeller like the 8X4.1SF?

The HQProp 8X4.1SF is designed to produce high thrust at lower motor RPMs. This provides exceptional low-speed control, immediate throttle response, and stable hover characteristics, which are essential for executing precise 3D aerobatic maneuvers and flying in tight indoor spaces where rapid, controlled movements are required.

Is this propeller suitable for high-speed FPV racing?

No, the 8X4.1SF is not optimized for high-speed racing. Its aerodynamics prioritize torque and low-speed thrust over top-end speed and efficiency at high RPMs. For racing, you would typically select a propeller with a higher pitch and a design focused on reducing drag at high velocities.

What motors are compatible with this 8-inch propeller?

This propeller is compatible with brushless motors that have a 5mm shaft and are sized appropriately to spin an 8-inch prop efficiently, typically in the 22xx to 28xx size range for multirotors. Ensure your motor's KV rating and power output are suitable for an 8-inch slow-fly prop on your chosen battery voltage (e.g., 3S or 4S LiPo) to avoid overloading the motor.