Gemfan 1209-4 31mm 4-Blade Propellers for Tiny Whoops - Clear

Introduction

The Gemfan 1209-4 31mm propellers are specifically engineered for the demanding FPV drone community, particularly for tiny whoop builds. These 4-blade propellers are optimized to work with higher KV motors, providing a significant boost in thrust and overall flight performance. Experience longer flight times and a more responsive drone, making every FPV flight more enjoyable and efficient. Built for durability, they ensure reliability during intense aerial maneuvers.

Key advantages

• Optimized for higher KV motors for maximum power output.
• Four-blade design provides superior thrust and control.
• Durable PC material ensures longevity and resistance to impacts.
• Clear color offers a unique aesthetic and potentially better visibility.
• Designed to extend flight duration for more airtime.
• Lightweight at only 0.21g per propeller for minimal impact on flight dynamics.
• Precise 1mm center shaft hole ensures secure motor mounting.
• Ideal for tiny whoop builds targeting a 30g quad weight.

Technical specifications

• Brand Name: Gemfan
• Model: 1209-4
• Color: Clear
• Number of Blades: 4
• Pitch: 0.8 inch
• Material: PC (Polycarbonate)
• Center Hole Diameter: 1 mm
• Propeller Diameter: 31 mm
• Weight: 0.21g per propeller
• Recommended Motor: 0802 25000KV
• Recommended Quad Weight: 30g
• Package Includes: 4 x CW Gemfan 1209-4, 4 x CCW Gemfan 1209-4

Applications

These Gemfan 1209-4 propellers are perfectly suited for FPV racing drones, freestyle flying, cinematic FPV, and general UAV applications, especially within the tiny whoop and micro drone categories. They are designed to enhance the performance of small, agile FPV aircraft.

Compatibility

Designed for 1mm motor shafts, these propellers are compatible with common tiny whoop motors like the 0802 series running at high KV (e.g., 25000KV). They are recommended for quadcopters weighing around 30g.

FAQ

What are the Gemfan 1209-4 31mm propellers best suited for?

These Gemfan 1209-4 31mm 4-blade propellers are best suited for tiny whoop FPV drones, especially when paired with higher KV motors like the 0802 25000KV. They are designed to enhance thrust and flight duration for micro FPV builds around 30g.

What material are the Gemfan 1209-4 propellers made of?

The Gemfan 1209-4 propellers are constructed from durable PC (Polycarbonate) material. This ensures they can withstand impacts and provide reliable performance during FPV flights.

How do the 4 blades affect performance compared to 2-blade props?

The 4-blade design of the Gemfan 1209-4 propellers generally provides increased thrust and better low-end throttle control compared to 2-blade propellers. This can lead to improved responsiveness and potentially longer flight times.

What is the shaft size for these Gemfan 1209-4 propellers?

These Gemfan 1209-4 propellers feature a 1mm center shaft hole, making them compatible with FPV drone motors that have a 1mm motor shaft.

Where can I buy Gemfan 1209-4 31mm propellers with fast delivery?

You can buy the Gemfan 1209-4 31mm propellers at HTDRONE, our specialized FPV drone parts store. We offer fast delivery within Poland and reliable shipping options to Ukraine via Nova Poshta, as well as worldwide delivery via DHL.