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Most powerful hybrid electric powertrain powers up

All powertrain components developed by Siemens during the project represent the state of the art of electric flight propulsion. The drive motor, delivering 200 kW take off power and 150 kW continuous, and the generator, delivering 100 kW feature a power density exceeding 5 kW/kg and dual windings with four power controllers to provide unprecedented reliability. Further element of innovation is the Human-Machine-Interface designed to simplify the operation of a complex powertrain. A single lever with haptic feedback is used to apply power and a new integrated cockpit display to monitor the powertrain status and performance.
Following the extensive laboratory testing of components and the integration on a representative airframe at the Pipistrel aviation factory in Slovenia, the successful power up trialled all propulsion modes at low and high powers, driving a specially developed five blade low rpm, low noise propeller. Tests of take-off power were performed using combined output of the generator driven by a turbonormalised engine and the high-performance battery custom developed to support high discharge rates.

In the upcoming months, extensive testing will continue to simulate typical mission profiles covered in the performance study and to validate the hybrid drive concept and performance.

first power-up VIDEO