In ArduCopter is current calibration easy. Just turn around props and switch their order. But how can I safely measure/calibrate current in plane with one motor? Just hold the plane in hand?
“Safely” is a bit of a stretch, but that’s how I would do it. Or fix the nose against some obstacle / the ground.
If flying the plane isn’t a safety issue, you can do it with used capacity:
- charge the battery completely full
- fly around with (suboptimal configured) current logging
- read the remaining capacity value from the log
- calculate used capacity = total capacity - remaining capacity
- charge the battery with a charger that can tell you how much mAh it put into the battery
- calculate < new amp/volt = old amp/volt * (charged capacity / used capacity) >
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