The APC 28x20-4 is a 28×20 inch, 4-blade propeller weighing 488.6 g.
| Maker | APC |
|---|---|
| Model | 28x20-4 |
| Size | 28×20 in |
|---|---|
| Pitch | 20.00 in |
| Blades | 4 |
| Rotation | CCW |
| P/D | 0.71 |
| Weight | 1.08 lb |
| Max RPM | 6,000 |
|---|
| Throttle | RPM | Thrust (lb) | Power (W) | Current (A) | Efficiency (%) | g/W |
|---|---|---|---|---|---|---|
| 30 % | 427 | 0.75 lb | 14 W | 0.3 | 64.1 | 25.15 |
| 40 % | 543 | 1.23 lb | 26 W | 0.5 | 68.3 | 21.47 |
| 50 % | 652 | 1.80 lb | 44 W | 0.9 | 69.7 | 18.46 |
| 60 % | 756 | 2.43 lb | 68 W | 1.4 | 69.6 | 16.09 |
| 70 % | 853 | 3.11 lb | 99 W | 2 | 68.8 | 14.2 |
| 80 % | 944 | 3.83 lb | 137 W | 2.8 | 67.6 | 12.67 |
| 90 % | 1,031 | 4.58 lb | 182 W | 3.7 | 66.2 | 11.42 |
| 100 % | 1,081 | 5.04 lb | 213 W | 4.3 | 65.2 | 10.76 |
—