Electric helicopter with electric tail rotor testing
Some more aggressive testing of the electric tail rotor to see what the limitations are. So far it s performed exceptionally well. One question that gets asked a lot is How long does the battery last Here is the answer: The battery capacity is 7. 8kWh. When hovering the power required is 21kW, so the battery will last 7. 8, 21 hours 22 minutes. When flying just above ETL (about 20km, h) the power required is 17kW, so the battery will last 7. 8, 17 hours 27 minutes.
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