The APC 9x4.1SF is a 9×4.1 inch, 2-blade propeller weighing 5 g.
| Maker | APC |
|---|---|
| Model | 9x4.1SF |
| Size | 9×4.1 in |
|---|---|
| Pitch | 4.10 in |
| Blades | 2 |
| Rotation | CCW |
| P/D | 0.46 |
| Weight | 0.01 lb |
| Max RPM | 25,000 |
|---|
| Throttle | RPM | Thrust (lb) | Power (W) | Current (A) | Efficiency (%) | g/W |
|---|---|---|---|---|---|---|
| 30 % | 3,772 | 0.24 lb | 14 W | 0.3 | 37.7 | 7.65 |
| 40 % | 4,933 | 0.42 lb | 24 W | 0.5 | 50.2 | 8 |
| 50 % | 6,076 | 0.64 lb | 36 W | 0.7 | 61.1 | 8.06 |
| 60 % | 7,198 | 0.90 lb | 52 W | 1 | 69.9 | 7.89 |
| 70 % | 8,299 | 1.21 lb | 73 W | 1.5 | 76.4 | 7.56 |
| 80 % | 9,375 | 1.56 lb | 99 W | 2 | 80.6 | 7.11 |
| 90 % | 10,423 | 1.94 lb | 133 W | 2.7 | 82.6 | 6.6 |
| 100 % | 11,041 | 2.18 lb | 158 W | 3.2 | 82.9 | 6.27 |