Electric aircraft are no longer just development projects

A Norwegian customer has just ordered 60 pieces(!) of 2-person e-Flyer2 aircraft from BYE AEROSPACE from Colorado USA. The company claims that in total it has 298 pieces in the order book.

The aircraft is powered by a Siemens electric engine, with a continuous maximum power of 70kW, pulse 90kW; and is supposed to stay in the air for 3.5 hours. Assuming that the plane does not need maximum power all the time, it can be estimated that the battery’s energy is about 200-210kWh.

This very interesting and demanding application, and a fairly large power system, show that the power supply capabilities of lithium technologies are just developing.

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