MAD SPIRO AW 18.4x6.8 Inch Polymer Folding Drone Propeller

Overview

The MAD SPIRO AW 18.4x6.8 folding propeller features a unique anhedral winglet design (AW) that reduces vortex losses, vibrations, and noise while improving efficiency and thrust. Constructed from composite carbon fiber and engineering plastic, this prop measures 467×172.7mm and weighs just 38g. Optimized for 1.5–2.5kg thrust per motor at 3500–4500RPM, it offers lightweight, high-strength performance with superior dynamic balance and compatibility with most multirotor motors.

Key Features

• Anhedral Winglets Design (AW): Reduces energy loss and improves aerodynamic efficiency

• Lightweight & Rigid: Composite carbon fiber + polymer build ensures strength and low inertia

• Noise Reduction: Winglet structure minimizes blade tip turbulence and vibrations

• Easy Folding Structure: Proven folding mechanism with over 50,000 successful test cycles

• Precise Fit: Mounting holes compatible with most multirotor motors

• Best Matched with MAD Motors: Delivers maximum performance and flight time

Technical Specifications

Performance Test Data

Package Contents

Details

The MAD SPIRO AW 18.4x6.8" propeller features an anhedral winglets design, ensuring stability and silence. Its unique downwarped shape reduces operating noise and minimizes moment of inertia. Constructed with carbon fiber filament and high-performance materials, it offers a lightweight and high-strength design. This new arrival is ideal for applications requiring efficiency and quiet operation.

Winglet design reduces vortex effects, enhancing propeller efficiency by improving airflow and reducing losses, noise, and energy consumption.

The SPIRO AW 18.4 x 6.8" propeller features anhedral winglets for noise reduction and efficiency improvement, reducing vortex energy losses and vibrations.

High-quality raw materials and precise production ensure the SPIRO AW 18.4x6.8" carbon fiber folding propeller's lightweight, high strength, stability, and efficiency.

The drone features optimized airfoil and blade design for improved cruise time, high lift-to-drag ratio, and reduced vortex losses, enhancing efficiency and response speed. It supports 7.0KG/AXIS ultimate tensile force and 1.5~2.5KG/AXIS common tensile force.

The SPIRO AW 18.4x6.8" carbon folding propeller is safe, reliable, and designed for perfection with rigorous testing and high-quality materials.

The SPIRO AW 18.4X6.8 Folding Propeller features dimensions of 467 x 172.7 mm, weighs 38 g, and is made from composite carbon fiber and engineering plastic. It operates within a temperature range of -40°C to 65°C and requires storage humidity below 85%. The recommended thrust/RPM is 1.5-2.5 kg at 3500-4500 RPM, with a single thrust limitation of 7 kg. The propeller has a folding structure for easy installation, with specific dimensions marked as Ø4, 12, and 2-Ø3.

The table presents test data showing RPM, thrust (gf), torque (N·m), output power (W), and efficiency (gf/W) for a motor across various operating conditions.

Accessories include 2 folding propellers and 4 hexagon socket head screws.