Gemfan D3.5-3 Cinewhoop Propeller

Product Overview

The Gemfan D3.5-3 is a high-performance cinewhoop propeller designed for 3.5-inch ducted FPV drones. Constructed from durable PC (polycarbonate), it features a 88.9 mm diameter and 3-inch pitch, delivering strong thrust output, smooth throttle response, and stable aerodynamic performance.

Optimized for the DJI O4 HD video transmission system, the D3.5-3 features an advanced aerodynamic blade profile that supports both normal and inverted mounting configurations. Manufactured under strict dynamic balance control standards, it significantly reduces vibration and ensures a smoother, more stable flight experience for cinematic FPV applications.

Key Features

Optimized for DJI O4 HD transmission system compatibility
Supports normal and inverted mounting configurations
High-efficiency aerodynamic design for smoother flight response
Strict dynamic balance manufacturing for reduced vibration
Durable PC material for impact resistance and long service life
Stable thrust output for cinewhoop cinematic environments

Applications

3.5-inch cinewhoop FPV drones
DJI O4 HD cinematic aerial systems
Indoor and semi-outdoor filming scenarios
Stable cruising and professional video capture

Features & Advantages

Optimized Aerodynamic Efficiency

Refined blade design improves airflow efficiency, reducing turbulence and enhancing overall flight smoothness.

Stable Flight Performance

Strict dynamic balancing minimizes vibration, improving HD video stability and flight control precision.

Flexible Mounting Design

Supports both normal and inverted installation configurations for broader compatibility.

High-Strength PC Construction

Durable polycarbonate material ensures strong impact resistance and long-term reliability.

Responsive Power Delivery

Designed for smooth throttle response and stable low-speed handling in cinewhoop applications.

Specifications

Type: Gemfan D3.5-3
Material: PC
Color: Clear Gray / Clear Yellow
Prop Diameter: 88.9 mm
Pitch: 3 inch
Center Thickness: 5 mm
Center Hole Inner Diameter: 1.5 mm (T-mount)
Max Prop Width: 18.9 mm
Weight (per prop): 2.84 g
Recommended Motor: 2006
Maximum Takeoff Weight: 350 g

Company Strength

Ningbo GEMFANHOBBY Co., Ltd (GEMFAN) is a leading Chinese drone propeller manufacturer integrating R&D, design, production, and global marketing. With strong expertise in aerodynamics, composite materials, and propulsion systems, Gemfan holds nearly 100 patented technologies and exports products to over 60 countries worldwide.

Gemfan propellers are widely used in FPV racing, cinewhoop cinematography, drone soccer, and professional UAV applications, maintaining a strong global presence in the FPV propeller market. The company is committed to innovation, precision manufacturing, and consistent product quality.