From battery capacity, average current draw and cruise speed, estimates drone flight endurance, maximum range and usable pack energy.
| Item | Formula / Note | Source / Standard |
|---|---|---|
| Range equation | R = E·(L/D)·η | UAV endurance estimation |
| Battery energy | E = V·Ah (Wh) | Battery fundamentals |
| Hover power | P = T·v_i/η momentum theory | Leishman 2006 |
| Figure of merit | FoM 0.6–0.8 for real rotors | Rotor aerodynamics |
| Wind effect | Headwind reduces ground range | Flight performance |
| Reserve margin | Reserve 20–30% for return | UAV operations guidance |
无人机航程计算器根据电池容量、电压、平均电流与飞行速度,估算续航时间、最大航程、电池能量与单位能耗,并给出 80% 安全余量下的建议航程,适用于无人机选型与航点规划。