The AXI 4120/18 GOLD LINE V3 is a high-efficiency brushless outrunner motor, designed for trainers, aerobatic planes, 3D models, and large sailplanes. Featuring neodymium magnets and a precision-engineered rotating case, it delivers exceptional torque, high power output, and long-lasting durability.
Equipped with a hardened steel shaft supported by three ball bearings, this motor provides smooth operation and maximum efficiency. With 1500W of power output, the AXI 4120/18 GOLD LINE V3 is perfect for demanding high-performance applications, including 3D aerobatic models and large electric aircraft.
✔ Suitable for:
• Trainers up to 3800g
• Aerobatic planes up to 3500g
• 3D models up to 2900g
• Sailplanes up to 4500g
AXI 4120/18 GOLD LINE V3 – High-Power Brushless Motor
The AXI 4120/18 GOLD LINE V3 has been optimized for maximum efficiency and reliability, offering smooth power delivery and high torque. Its low internal resistance allows it to maintain cool operation under high loads, making it ideal for long flight durations and extreme aerobatic maneuvers.
✔ Recommended setup for trainers (3800g):
• Battery: 5S Li-Poly
• Max Current: 55A / 60s
• ESC: 70A Opto
• Propeller: 14”x9”
✔ Recommended setup for aerobatic models (3500g):
• Battery: 5S Li-Poly
• Max Current: 55A / 60s
• ESC: 77A
• Propeller: 14”x8”
✔ Recommended setup for 3D models (2300g - 2900g):
• Battery: 4S-6S Li-Poly
• Max Current: 55A / 60s
• ESC: 70A - 77A Opto
• Propeller: 15”x8”, 17”x8”, or 14”x7”
✔ Recommended setup for large sailplanes (4300g - 4500g):
• Battery: 4S-5S Li-Poly
• Max Current: 55A / 60s
• ESC: 70A Opto
• Propeller: 17”x9”, 15”x9.5”
✔ Also suitable for glow engine conversion, equivalent to:
• 7.5ccm / .46 2-stroke / .65 4-stroke
SPECIFICATIONS
• Operating Voltage: 5-7S Li-Poly
• RPM/V: 515 RMP/V
• Max Efficiency: 89%
• Max Efficiency Current: 15 - 40 A (>82%)
• No Load Current: 1.3 A
• Max Current Capacity: 59 A / 60 sec
• Internal Resistance: 21 mohm
• Weight: 315g
• Max Power: 1500W
• Dimensions: 49.8mm × 54.4mm
• Shaft Diameter: 6mm