The GEMFAN Flash 7040 is a 7-inch tri-blade propeller engineered to achieve an ideal balance between lightweight construction and aerodynamic efficiency. Designed for long-range cruising, cinematic FPV, and endurance builds, this propeller delivers smooth, sustained, and vibration-free power output, making it well-suited for relaxed and stable flight profiles.

With a 4.0-inch pitch and optimized blade geometry, the Flash 7040 prioritizes efficiency over aggression—reducing power consumption while maintaining predictable handling. Manufactured from durable polycarbonate (PC), it offers reliable rigidity without unnecessary weight, making it an excellent choice for pilots focused on flight time and smooth footage.

Specifications

• Model: GEMFAN Flash 7040

• Prop Size: 7 inch

• Pitch: 4.0 inch

• Blade Count: Tri-blade

• Material: Polycarbonate (PC)

• Weight: Approx. 7.9g (per propeller)

• Prop Disk Diameter: ~178.43mm

• Hub Thickness: 7.5mm

• Blade Width: ~18.24mm

• Mounting / Hub: 5mm (M5)

• Recommended Motor: 2206 class, ~1500KV

• Packaging: 2 × CW + 2 × CCW

Key Features

• Tri-blade design optimized for efficiency and smooth thrust

• 4.0″ pitch ideal for long-range and endurance FPV flight

• Lightweight construction for reduced rotational inertia

• Durable PC material ensures consistent performance

• Stable, linear power delivery for vibration-free footage

• Balanced CW/CCW set included

Applications

• 7″ long-range (LR) and endurance FPV drones

• Cinematic aerial filming platforms

• Smooth cruising and efficiency-focused builds

• FPV setups using 2206 motors with low-KV configurations

Features & Advantages

Optimized Aerodynamic Efficiency

Blade geometry is tuned to reduce power draw while maintaining reliable thrust, extending flight time.

Smooth & Sustained Power Delivery

Linear thrust characteristics ensure stable handling and smooth cinematic footage.

Lightweight & Durable

PC construction provides an excellent balance between rigidity and weight for larger props.

Motor-Matched Performance

Optimized for 2206 ~1500KV motors, creating an efficient and well-balanced power system.