The APC 21.5x13EPN is a 21.5×13 inch, 2-blade propeller weighing 125.5 g.
| Maker | APC |
|---|---|
| Model | 21.5x13EPN |
| Size | 21.5×13 in |
|---|---|
| Pitch | 13.00 in |
| Blades | 2 |
| Rotation | CCW |
| P/D | 0.60 |
| Weight | 0.28 lb |
| Max RPM | 11,000 |
|---|
| Throttle | RPM | Thrust (lb) | Power (W) | Current (A) | Efficiency (%) | g/W |
|---|---|---|---|---|---|---|
| 30 % | 769 | 0.32 lb | 9 W | 0.2 | 46.5 | 17.06 |
| 40 % | 997 | 0.56 lb | 15 W | 0.3 | 57 | 16.74 |
| 50 % | 1,218 | 0.85 lb | 24 W | 0.5 | 64.1 | 15.8 |
| 60 % | 1,432 | 1.18 lb | 37 W | 0.7 | 68.7 | 14.68 |
| 70 % | 1,639 | 1.56 lb | 52 W | 1 | 71.6 | 13.56 |
| 80 % | 1,840 | 1.99 lb | 72 W | 1.4 | 73.2 | 12.48 |
| 90 % | 2,035 | 2.44 lb | 97 W | 1.9 | 73.8 | 11.49 |
| 100 % | 2,149 | 2.74 lb | 114 W | 2.3 | 73.8 | 10.92 |