Product Overview

The Gemfan 1507-3 is a 15-inch tri-blade propeller crafted from high-strength Glass Fiber Nylon, designed for large four-rotor drones. Featuring a 7-inch pitch, 381 mm diameter, and weighing 68 g, it provides excellent stiffness, stability, and balanced flight performance for heavy-lift multirotors. Equipped with a 6 mm center hole and adapter, it ensures secure installation on 4218-class motors and their upgraded variants. Available in Black.

Key Features

• Tri-blade design optimized for large wheelbase, heavy-lift drones

• 7-inch pitch and 15-inch diameter for strong thrust and efficient lift

• Glass Fiber Nylon construction for superior rigidity and durability

• 6 mm hub with adapter allows secure and stable motor connection

• Maintains excellent balance for smooth and controlled flight

• Black color for professional aesthetics and visual orientation

Applications

• Heavy-lift quadcopters for aerial cinematography and industrial use

• Long-endurance and high-payload multirotors

• Large-scale drone platforms requiring precise balance and stability

• Professional filming, surveying, and cargo transport drones

Features & Advantages

High Thrust & Stability
Large diameter and pitch deliver strong lift and efficient flight for heavy drones.

Durable Construction
Glass Fiber Nylon ensures high stiffness, impact resistance, and long-term reliability.

Balanced Design
Optimized for large quadcopters to maintain smooth, vibration-free flight.

Secure Installation
6 mm center hub with adapter ensures reliable attachment to 4218 or upgraded motors.

Professional Appearance
Black finish improves visual orientation and maintains a sleek, professional look.

Company Strength

Ningbo GEMFANHOBBY Co., Ltd (GEMFAN) is a global leader in drone propeller manufacturing, integrating R&D, design, production, and international distribution.

Highlights:

• Expert Team: Specialists in heavy-lift aerodynamics, composite materials, and high-performance prop design

• Innovation Leadership: Nearly 100 patents and continuous development of advanced drone propellers

• Global Reach: Exported to 60+ countries; ~60% FPV prop market share

• Industry Recognition: Official supplier for National Drone World Championship teams

• Core Values: Professionalism, quality, innovation, integrity, and service