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.
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
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
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.
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
Our prices do not include import tax, such as no customs clearance ability of individuals or companies, please be careful to buy, if unable to clear customs, resulting in customs destruction, our company will not refund
Our satisfaction guarantee is active for 30 days after delivery. We don't support returns and refunds if over 30 days after the delivery.
For returns, please email shopify@mad-motor.com with the subject 'Returns' and include your order number, name and the reason for the return.
Seller will provide the customer with instructions where to send returned goods. Customers are strongly recommended to get proof of postage when returning goods to avoid "lost packages" situations.
Please note that customers are responsible for shipping costs of returned items.
When the returned item is received by seller and after inspecting, customer will receive a return confirmation email, which notifying about the status of the refund. If the refund is approved, the payment will be refunded to the customer's account via credit card or original methods shortly thereafter.
Custom orders are not eligible for returns or refunds.
We accept cancellations only within 48 hours after the order has been placed.
(2)PRODUCING:
Due to the handmade process, all orders are processed and complete within 10 working days. Once complete of the production, goods will be shipped within 3 working days. Average shipping times range between 5-10 working days, which depend on your specific location.
When will I get my order?
We will ship the goods via DHL and offer you the tracking number after shipment.
After the production and packaging of the order are completed, we will ship according to the address you provided. We shall commit about delivery time to you as table below region：
|
Region |
Commitment processing time |
Commitment delivery time |
Commitment timeframe |
|---|---|---|---|
|
North America region (excluded Mexico) |
3-5 days |
7-15days |
10-20 days |
|
Europe & UK |
3-5 days |
10-20 days |
13-25 days |
|
Australia, New Zealand, Chile and other regions |
3-5 days |
10-20 days |
13-25 days |
Special Notes:
Delivery may be delayed due to holidays, material shortages, or force majeure events. We will notify you if such cases occur.
If you have any questions or comments, please do not hesitate to contact us through:
Email: shopify@mad-motor.com
