RATEFPV
RATEFPV 1505 2800KV 3800KV 4300KV Brushless Motor for 2.5-4" FPV Drone
RATEFPV 1505 2800KV 3800KV 4300KV Brushless Motor for 2.5-4" FPV Drone
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The RATEFPV 1505 Brushless Motor series (2800KV/3800KV/4300KV) offers tailored performance validated by real pilot reviews. Made with premium materials and precise winding, it balances power, efficiency and durability—fixing budget motor flaws (unstable thrust, overheating). Three KV options suit long-range filming, smooth freestyle and high-speed racing, ideal for 2.5-4 inch builds. Perfect for hobbyists and pros alike.
Key Features
1. Three Optimized KV Options for Every FPV Style (Tested & Validated)
- 2800KV: Versatile for 4S 4-inch long-range/filming (extended battery life) and 2.5-3.5 inch 6S freestyle/racing—balanced torque, no overheating.
- 3800KV: 4S 2.5-3.5 inch cinewhoops/freestyle—smooth, stable thrust for shake-free footage and fluid maneuvers, low noise/energy use.
- 4300KV: 4S 2.5-3.5 inch freestyle/racing—powerful, instant throttle response for aggressive racing and acrobatics, durable under high use.
2. Premium Build Quality for Long-Lasting Performance
High-grade materials and strict QC avoid budget motor flaws (inconsistent thrust, bearing wear). Optimized 15mm stator balances power/weight for 2.5-4 inch builds, crash-resistant and durable for less downtime.
3. Tailored for FPV Builds & Regulations
Optimized for US/EU setups: 4S/6S batteries, 2.5-4 inch frames. Lightweight design fits under 250g registration threshold, compliant and high-performing.
4. Smooth, Responsive Control for All Skill Levels
Linear power delivery eliminates throttle lag. 3800KV is stable for beginners; 4300KV for pro aggressive flights. 2800KV (6S) stays smooth—accessible to all pilots.
Specifications
|
Version |
Parameter |
|
4300KV Brushless Motor |
kV Value: 4300KV Maximum Power: 361.78W (4300kV T3X3X3) Maximum Current: 22.61A (4300kV T3X3X3) Pole Number: 12N14P Shaft Extension Mode: Single Shaft Extension Recommended Propellers: 2.5-5 inches (0.5" installation holes) Motor Size: Φ20.3mm x 13.9mm Shaft Diameter: Φ1.45mm Shaft Extension Length: 2mm Motor Mounting Hole Distance: 12 x 12mm Compatible Voltage: 7.2V-17.4V (4300kv) Quadcopter / FPV Drone Recommended Voltage: 10.8V-17.4V(3-4S Lipo/HV) Recommended Current: 20A±2 Suitable Screws: M2 x 5 (4 mounting screws, 2mm thickness) M2 x 6 (5-axis installation screws, 2.5-3.5mm thickness) M2 x 7 (3-axis installation screws) Weight: 12.79g (including 150mm wires) Suitable for 2.5-3.5inch 4S Freestyle / Racing FPV Drone |
|
3800KV Brushless Motor |
KV Value: 3800KV Maximum Power: 251.52W (3800KV T3X3X3) Maximum Current: 15.72A (3800KV T3X3X3) Pole Number: 12N14P Shaft Extension Mode: Single Shaft Extension Recommended Propellers: 2.5-5 inches (0.5" installation holes) Motor Size: Φ20.3mm x 13.9mm Shaft Diameter: Φ1.45mm Shaft Extension Length: 2mm Motor Mounting Hole Distance: 12 x 12mm Compatible Voltage: 10.8V-17.4V (3800kv, 4S Li-Po/HV) Quadcopter / FPV Drone Recommended Voltage: 10.8V-17.4V(3-4S Li po/HV) Recommended Current: 20A±2 Suitable Screws: M2 x 5 (4 mounting screws, 2mm thickness) M2 x 6 (5-axis installation screws, 2.5-3.5mm thickness) M2 x 7 (3-axis installation screws) Weight: 12.79g (including 150mm wires) Suitable for 2.5-3.5 Inch 4S Whoop / Freestyle FPV Drone |
|
2800KV Brushless Motor |
KV Value: 2800KV Maximum Power: 339.36W (2800KV T3X3X3) Maximum Current: 14.14A (2800KV T3X3X3) Pole Number: 12N14P Shaft Extension Mode: Single Shaft Extension Recommended Propellers: 2.5-5 inches (0.5" installation holes) Motor Size: Φ20.3mm x 13.9mm Shaft Diameter: Φ1.45mm Shaft Extension Length: 2mm Motor Mounting Hole Distance: 12 x 12mm Compatible Voltage: 7.2V-26.1V (2800kv, 6S LiPo/HV) Quadcopter / FPV Drone Recommended Voltage: 21.6V-26.1V(3-4S Li po/HV) Recommended Current: 20A±2 Suitable Screws: M2 x 5 (4 mounting screws, 2mm thickness) M2 x 6 (5-axis installation screws, 2.5-3.5mm thickness) M2 x 7 (3-axis installation screws) Weight: 12.79g (including 150mm wires) Suitable for 4 Inch 4S Long Range / Cinematic FPV Drone 2.5-3.5 Inch 6S Freestyle / Racing FPV Drone |
