Overview
The GEPRC SPEEDX2 1104 7500KV Motor is a compact motor for 1.6-2.2 inch lightweight drones, designed for 2-3S LiPo input (7.4-11.1V) and use with a 20A ESC.
Key Features
- 7500KV ultra-high rotational speed; compatible with 3S batteries for fast response and control.
- Integrated outrunner with CNC-machined high-strength carbon steel shell (resistant to deformation and impact damage).
- N52H arc magnets with high-temperature demagnetization resistance.
- NMB high-precision bearings for lower vibration at high RPM.
- Multi-strand winding process for lower resistance and reduced heat.
- 1.5mm standard shaft; compatible with most mainstream FPV propellers on the market.
For customer service, contact https://rcdrone.top/ or email support@rcdrone.top.
Specifications
| Model | GEPRC SPEEDX2 1104 7500KV Motor |
| Max Watt | 155W |
| Peak current | 13.2A (3S) |
| Interphase resistance | 150 mOhm |
| Magnet | N52H |
| Bearing type | NMB |
| Configuration | 9N12P |
| Dimension | Dia 14.5 x 11.5mm |
| Shaft diameter | 1.5mm |
| Shaft protruding length | 4.95mm |
| Mounting holes | 4-M2; mounting pattern Dia 9; center hole Dia 5 |
| Lead | 60mm / 28AWG |
| Recommended ESC | 20A |
| Input volts | 7.4-11.1V (2-3S LiPo) |
| Winding | Multi-strand copper winding |
| Weight | 5.2 +/- 0.2g (included wire) |
| Matching screws | M2*4 Round Head Screw |
| Suitable for | 1.6-2.2 inch lightweight drones |
| Mechanical drawing dimensions (reference) | 17.2mm; 11.5mm; 7.8mm; 4.95mm; 2mm |
Note: Dimensions and weight are for reference only. Actual product may vary.
Motor Test Data
| Prop | Throttle (%) | Voltage (V) | Current (A) | Thrust (g) | RPM | Power (W) | Efficiency (g/W) |
|---|---|---|---|---|---|---|---|
| GEMFAN 2219-3 | 30% | 7.54 | 0.814 | 20.98 | 14854 | 6.14 | 3.42 |
| GEMFAN 2219-3 | 50% | 7.52 | 2.273 | 52.61 | 23961 | 17.09 | 3.08 |
| GEMFAN 2219-3 | 100% | 7.43 | 7.688 | 148.82 | 39878 | 57.12 | 2.61 |
| GEMFAN 2219-3 | 30% | 11.99 | 1.568 | 50.56 | 22458 | 18.80 | 2.69 |
| GEMFAN 2219-3 | 50% | 11.95 | 4.133 | 113.73 | 35099 | 49.39 | 2.30 |
| GEMFAN 2219-3 | 100% | 11.81 | 13.03 | 257.95 | 53902 | 153.88 | 1.68 |
| HQprop-T2X2X3 | 30% | 7.52 | 0.751 | 16.66 | 14773 | 5.65 | 2.95 |
| HQprop-T2X2X3 | 50% | 7.5 | 2.095 | 42.75 | 23462 | 15.71 | 2.72 |
| HQprop-T2X2X3 | 100% | 7.42 | 7.317 | 123.78 | 40904 | 54.29 | 2.28 |
| HQprop-T2X2X3 | 30% | 12 | 1.442 | 41.33 | 23696 | 17.30 | 2.39 |
| HQprop-T2X2X3 | 50% | 11.96 | 3.891 | 104.31 | 36449 | 46.54 | 2.24 |
| HQprop-T2X2X3 | 100% | 11.81 | 13.049 | 226.35 | 54321 | 154.11 | 1.47 |
| HQprop-T2.2X1.6X3 | 30% | 7.53 | 0.755 | 19.86 | 14540 | 5.69 | 3.49 |
| HQprop-T2.2X1.6X3 | 50% | 7.51 | 2.112 | 50.39 | 23741 | 15.86 | 3.18 |
| HQprop-T2.2X1.6X3 | 100% | 7.43 | 7.436 | 144.88 | 40582 | 55.25 | 2.62 |
| HQprop-T2.2X1.6X3 | 30% | 11.99 | 1.563 | 48.99 | 23905 | 18.74 | 2.61 |
| HQprop-T2.2X1.6X3 | 50% | 11.95 | 4.082 | 114.74 | 35907 | 48.78 | 2.35 |
| HQprop-T2.2X1.6X3 | 100% | 11.81 | 13.067 | 256.98 | 53351 | 154.32 | 1.67 |
| GEMFAN 2020-D51MM-5 | 30% | 7.53 | 0.932 | 21.99 | 15023 | 7.02 | 3.13 |
| GEMFAN 2020-D51MM-5 | 50% | 7.5 | 2.677 | 51.34 | 22788 | 20.08 | 2.56 |
| GEMFAN 2020-D51MM-5 | 100% | 7.4 | 9.209 | 134.73 | 35982 | 68.15 | 1.98 |
What's Included
- 1 set: Motor x1; Screws x6 (M2*4 Round Head Screw)
- 4 set: Motors x4; Screws x24
Applications
- 1.6-2.2 inch lightweight drones
- 2-3S LiPo (7.4-11.1V) power systems
Details


Integrated outrunner with N52H arc magnets and NMB high-precision bearings. CNC-machined shell resists deformation, ensuring strong magnetic force, high-temperature resistance, and lower vibration for stable flight.

Multi-strand winding reduces resistance and heat; 1.5mm shaft fits most FPV propellers.

GEPRC SPEEDX2 1104 7500KV motor specs: 155W, 13.2A peak, N52H magnets, NMB bearings, 9N12P, 14.5x11.5mm, 1.5mm shaft, 5.2g weight, suits 1.6-2.2 inch drones, 2-3S LiPo input.

Motor technical drawing: 17.2mm length, 14.5mm diameter, M2 holes, 1.5mm shafts, 9mm and 5mm features.

Compares thrust, RPM, power, and efficiency across GEMFAN and HQprop propellers at 7.4–12V, showing performance metrics for drone motor optimization under varying throttle levels.

Motor dimensions: 11.5mm height, 14.5mm width, 60mm shaft length. Shaft diameter 1.5mm, top pin 4.95mm. Model 1104, 7500KV rated.

Motor weighs 5.2g on scale; display note for reference only.



Product list: 1 set includes 1 motor and 6 screws; 4 sets include 4 motors and 24 screws. Motor labeled 1104 7500kv.
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