The APC 9x4 is a 9×4 inch, 2-blade propeller weighing 23 g.
| Maker | APC |
|---|---|
| Model | 9x4 |
| Size | 9×4 in |
|---|---|
| Pitch | 4.00 in |
| Blades | 2 |
| Rotation | CCW |
| P/D | 0.44 |
| Weight | 0.05 lb |
| Max RPM | 24,000 |
|---|
| Throttle | RPM | Thrust (lb) | Power (W) | Current (A) | Efficiency (%) | g/W |
|---|---|---|---|---|---|---|
| 30 % | 3,761 | 0.27 lb | 15 W | 0.3 | 40.1 | 8.05 |
| 40 % | 4,915 | 0.46 lb | 25 W | 0.5 | 52.6 | 8.27 |
| 50 % | 6,047 | 0.70 lb | 39 W | 0.8 | 63.1 | 8.2 |
| 60 % | 7,158 | 0.98 lb | 56 W | 1.1 | 71.3 | 7.94 |
| 70 % | 8,244 | 1.31 lb | 79 W | 1.6 | 77.3 | 7.54 |
| 80 % | 9,304 | 1.68 lb | 108 W | 2.2 | 80.9 | 7.05 |
| 90 % | 10,333 | 2.09 lb | 146 W | 2.9 | 82.6 | 6.51 |
| 100 % | 10,939 | 2.35 lb | 173 W | 3.5 | 82.7 | 6.18 |