Overview
Gemfan VORTEX 20X10E / 20X10R is a 20-inch electric propeller made from glass fiber nylon, supplied in dark gray. It is offered in two versions: 20X10E and 20X10R.
Key Features
- 20 x 10 in size (20-inch diameter, 10-inch pitch)
- Material: glass fiber nylon
- Color: dark gray
- Center bore: 6.35 mm / 0.25 in
Specifications
| Model | VORTEX 20X10E / 20X10R |
| Propeller diameter | 20 in |
| Propeller pitch | 10 in |
| Hub diameter | 31.5 mm |
| Hub thickness | 13.2 mm |
| Center bore diameter | 6.35 mm / 0.25 in |
| Single blade weight | 96.4 g |
| Product weight (with packaging) | 103.3 g |
For availability questions about the 20X10E vs 20X10R option, contact support at https://rcdrone.top/ or email support@rcdrone.top.
Test Data (Reference)
The provided test chart is labeled: GemFan&Xoar Vortex 20x13, 6360, 190KV, Static test data, Voltage: 44.4V.
| Throttle (%) | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 |
| Current (A) | 0.79 | 2.47 | 5.03 | 9.69 | 18.45 | 32.2 | 44.62 | 63.13 | 89.21 | 98.53 |
| Thrust (g) | 314 | 777 | 1313 | 2326 | 3579 | 4788 | 5645 | 7012 | 8047 | 8451 |
| Efficiency (g/W) | 9 | 7.1 | 5.9 | 5.4 | 4.4 | 3.4 | 2.9 | 2.5 | 2.1 | 2 |
Whats Included
- Gemfan VORTEX propeller: 1 piece / bag
Details

Reference static test data at 44.4V plots current, thrust, and efficiency across the throttle range for comparison.
Related Collections
