Overview
Gemfan 7X9X3 propeller set made from glass fiber nylon. Built with a high-precision mold and a deformation-resistant blade design for stable performance at higher RPM in drone propulsion setups.
Key Features
- Model: Gemfan 7X9X3 (3-blade)
- Material: glass fiber nylon
- High-precision mold design; blades engineered to resist deformation
- CW/CCW set for typical paired installation
Specifications
| Type | Gemfan 7X9X3 |
| Material | glass fiber nylon |
| Pitch | 9in |
| Colour | dark |
| Prop Diameter | 177.8mm |
| Center Thickness | 7mm |
| Center Hole Inner diameter | 5mm |
| Max Prop Width | 20.5mm |
| Weight | 11.6g |
| Recommended Motor | 3210 |
| Takeoff weight | 1.1kg |
Static Test Data
Test label: GemFan & Xoar 7X9-3, 2812-1100KV. Voltage: 22.2V. X-axis: throttle.
| Throttle (%) | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 |
| Current (A) | 0.34 | 1.70 | 3.72 | 7.34 | 11.55 | 17.60 | 23.56 | 30.71 | 37.80 | 44.01 |
| Speed (rpm) | 2546 | 4641 | 6525 | 8297 | 9688 | 11182 | 12151 | 13021 | 13776 | 14426 |
| Thrust (g) | 35 | 108 | 210 | 353 | 482 | 651 | 786 | 923 | 1035 | 1141 |
| Efficiency (g/W) | 4.6 | 2.9 | 2.5 | 2.2 | 1.9 | 1.7 | 1.6 | 1.4 | 1.3 | 1.3 |
What’s Included
- 2 x CW propellers
- 2 x CCW propellers
For compatibility questions before purchase, contact support@rcdrone.top or visit https://rcdrone.top/.

Details

Static test data at 22.2V summarizes how current draw, RPM, thrust, and efficiency change from 10–100% throttle.
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