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Lilium Jet’s Electric Propulsion System Begins Assembly

Munich-based Lilium N.V., developer of an all-electric vertical take-off and landing (eVTOL) jet, has begun the assembly of its electric propulsion system. This marks a pivotal juncture in Lilium’s eVTOL manufacturing timeline and planned commercial entry into service of the Lilium Jet. It supports Lilium’s roadmap towards first crewed flight of the aircraft in late 2024.

Lilium Jet's Revolutionary Electric Propulsion System Begins Assembly in Wessling, Germany

Set in Lilium’s dedicated jet propulsion facility in Wessling, Germany, just a stone’s throw from its main headquarters, the propulsion system reflects Lilium’s iconic aircraft design.

Yves Yemsi, COO of Lilium, said: “In the coming weeks we will be systematically working towards validating our manufacturing capabilities and preparing to deliver the propulsion units for initial aircraft integration and type-certification.”

Klaus Roewe, CEO of Lilium, commented: “Thanks to the unique propulsion system and aerodynamic jet architecture, I believe the Lilium Jet will set the benchmark for the eVTOL industry, opening the way for superior performance, unit economics and comfort. 95% of commercial airplanes today use jet engines, which offer high safety in addition to the best cabin experience with low vibration and noise, combined with great payload and range potential.”

Daniel Wiegand, Lilium Co-Founder and Chief Engineer for Innovation & Future Programs remarked: “It was our shared belief in the radical potential of our electric jet technology that formed the nucleus of our company and that has driven Lilium forward ever since. I’m more convinced than ever that our vision of a sustainable new form of high speed and affordable regional transportation will become a commercial reality.”

Delving into the Assembly Process

The initial phase of assembly includes integrating the propulsion system’s dynamic parts. These include the shaft, magnets, and titanium compressor fan, with static components like the e-motor stator. Subsequently, they are incorporated into the high-performing engine. Later this year, these engines will merge into the Lilium Jet’s unique flap structure. This is a pivotal component for both vertical and horizontal flight.

Pre-assembly Milestones

Prior to this assembly launch, Lilium undertook comprehensive testing of propulsion subsystems, collaborating with Denso, Honeywell, Aeronamic, and SKF. A significant highlight was in July, with the testing of a full-size prototype of the Lilium Jet fan. The successful test confirmed its operational parameters. Moreover, the Lilium Jet e-motor has begun its testing phase. Lilium also recently announced the start of its fuselage assembly at the Aciturri facilities in Valladolid, Spain.

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