
Overview
The RATEFPV 1505 brushless motor series is designed for 2.5-4 inch FPV drone builds and is available in 2800KV, 3800KV, and 4300KV versions. Each motor uses a 15 mm stator, a 12N14P pole configuration, a single shaft extension, and a 12 x 12 mm mounting pattern. Select the KV version according to the frame, propeller, and battery configuration.
For product assistance or application questions, contact customer service at rcdrone.top.
Key Features
- Three KV options for different 2.5-4 inch FPV drone configurations.
- 20.3 mm x 13.9 mm motor size with a 1.45 mm shaft diameter.
- 2 mm shaft extension and 12 x 12 mm motor mounting hole distance.
- Recommended for 2.5-5 inch propellers with 0.5 inch installation holes.
- Supplied with 150 mm motor wires; listed weight is 12.79 g including the wires.
Specifications
| Parameter | 2800KV | 3800KV | 4300KV |
|---|---|---|---|
| KV value | 2800KV | 3800KV | 4300KV |
| Maximum power | 339.36 W (T3X3X3) | 251.52 W (T3X3X3) | 361.78 W (T3X3X3) |
| Maximum current | 14.14 A (T3X3X3) | 15.72 A (T3X3X3) | 22.61 A (T3X3X3) |
| Pole number | 12N14P | 12N14P | 12N14P |
| Shaft extension mode | Single shaft extension | Single shaft extension | Single shaft extension |
| Recommended propellers | 2.5-5 inch | 2.5-5 inch | 2.5-5 inch |
| Installation holes | 0.5 inch | 0.5 inch | 0.5 inch |
| Motor size | 20.3 mm x 13.9 mm | 20.3 mm x 13.9 mm | 20.3 mm x 13.9 mm |
| Shaft diameter | 1.45 mm | 1.45 mm | 1.45 mm |
| Shaft extension length | 2 mm | 2 mm | 2 mm |
| Motor mounting hole distance | 12 x 12 mm | 12 x 12 mm | 12 x 12 mm |
| Compatible voltage | 7.2V-26.1V (6S LiPo/HV) | 10.8V-17.4V (4S LiPo/HV) | 7.2V-17.4V |
| Recommended current | 20 A +/- 2 | 20 A +/- 2 | 20 A +/- 2 |
| Weight | 12.79 g including 150 mm wires | 12.79 g including 150 mm wires | 12.79 g including 150 mm wires |
| Suitable screws | M2 x 5 for 4 mounting screws with 2 mm thickness; M2 x 6 for 5-axis installation with 2.5-3.5 mm thickness; M2 x 7 for 3-axis installation | ||
Applications
- 2800KV: 4 inch 4S long-range or cinematic FPV drones, and 2.5-3.5 inch 6S freestyle or racing FPV drones.
- 3800KV: 2.5-3.5 inch 4S whoop or freestyle FPV drones.
- 4300KV: 2.5-3.5 inch 4S freestyle or racing FPV drones.