50Pairs(50CW+50CCW) - Gemfan 3520 Hurricane PC 3 Blade T-mount PropellerTypeGemfan 3520 3 MaterialPC Colourclear gray,purple,yellow,clear blue Pitch2in Prop Diameter89. 5mm Center Thickness5. 5mm Center Hole Inner diameterT mount 1. 5mm Max Prop Width11. 7mm Weight1. 8g Recommended Motor1806 2004 Takefoff weight250 380g Gemfan 3. 5 inch freestyle prop deliver smooth flying performance with lightweight design. To further improve dynamic balance, we've adopted a three hole mounting system. Gemfan 3520 3 Tri Blade Propeller

Gemfan 3520-3 Tri-Blade Propeller

Product Overview

The Gemfan 3520-3 is a high-performance 3.5-inch tri-blade propeller designed for freestyle micro drones and lightweight 1806–2004 motor setups. With a 2-inch pitch, 89.5mm diameter, and a weight of just 1.8g, it delivers smooth, responsive flight while maintaining a lightweight profile.
Constructed from durable PC (Polycarbonate), the 3520-3 features a three-hole T-mount (1.5mm) hub for improved dynamic balance and secure installation. Available in Clear Gray, Purple, Yellow, and Clear Blue, it combines visual appeal with performance for freestyle, racing, and micro-class applications.
Supporting a maximum takeoff weight of 250–380g, this propeller is ideal for pilots seeking agile handling, precise control, and reliable durability.

Key Features

• Tri-blade design: Provides balanced thrust and responsive control

• Lightweight & efficient: Just 1.8g, improving acceleration and maneuverability

• Three-hole T-mount: Enhances dynamic balance and secure installation

• Durable PC material: Impact- and wear-resistant for long-lasting performance

• Multiple color options: Clear Gray, Purple, Yellow, and Clear Blue for personalization and visibility

Applications

• 3.5-inch freestyle drones

• Micro FPV racing and acrobatic drones

• Indoor and outdoor high-speed micro flight

• Drone training and practice for freestyle maneuvers

• Lightweight drones with 1806–2004 motor setups

Features & Advantages

Smooth Flight Performance: Optimized tri-blade profile ensures stable airflow and agile handling.

Lightweight Design: Reduces rotational inertia for faster acceleration, sharper turns, and better throttle response.

Dynamic Balance & Stability: Three-hole mounting hub improves balance, minimizing vibration for smoother flight.

Durable & Reliable: High-strength PC construction resists wear and impacts, extending propeller life.

Visual Identification: Multiple color options allow easy tracking and aesthetic customization.