The EMAX GT2820-7 850KV Brushless Motor is a high-performance out-runner motor designed specifically for RC airplane enthusiasts seeking efficiency and power. Weighing 140 grams, this motor is optimized for 2-4S Li-Po battery configurations and is compatible with propeller sizes ranging from 9×4.7 to 12×6. Its robust construction ensures durability, while the 850KV rating delivers a balance between speed and torque, making it suitable for various fixed-wing applications.

Specifications:

• Motor Type: Out-Runner
• Intended Use: Airplanes
• KV Rating: 850
• Weight: 140 grams
• Compatible Battery Cells: 2-4S Li-Po
• Recommended Propeller Sizes: 12×6
• Stator Dimensions: 28x20mm
• Shaft Diameter: 5mm
• Mounting Dimensions: 25x25mm

This motor is part of EMAX’s Grand Turbo series, known for its lightweight design and high-quality construction. The innovative design allows for both front and rear mounting options. Additionally, it features a centrifugal cooling fan machined into the bell cap, enhancing heat dissipation during operation.