Lilium Prepares for Production of Jet’s Propulsion Units
Lilium announced this week it is preparing the installation of its propulsion units for its prototype Jet, reports a press release. They will begin coming off the assembly line in Q2, to be used for testing.
Lilium is collaborating with Schnaithmann Maschinenbau, the German automation and robotics company which is also supporting the company with workflow design, jigs and tools for Lilium’s aerostructures for the final assembly line. Located near the automotive hub of Stuttgart, Schnaithmann is a global leader in designing and supplying automated, scalable industrial solutions with long-standing partnerships in high-volume industries, especially automotive.
This partnership started several years ago. Lilium’s aerostructures assembly line is already utilising equipment provided by Schnaithmann for handling of the Jet’s wings and canards. The propulsion assembly line is located in the same building as Lilium’s aerostructures.
Jan Dr Nowacki, Lilium Senior VP of Manufacturing, commented, “The electric jet engine is a unique, core technology, critical for aircraft performance. With the support of Schnaithmann, we look forward to implementing state-of-the-art manufacturing solutions capable of being scaled-up and replicated for high-volume production.”

Jan Dr. Nowacki
Gerd Maier, Schnaithmann Member of the Management Board, Sales and Marketing , added, “With nearly 40 years of experience in supplying automation technology to global industries, we are proud to participate in the industrialisation of the Lilium Jet. The eVTOL industry has the potential to change aviation in a positive, sustainable way, and we are delighted to be able to play a key role in helping Lilium scale up towards high-volume production.”
The release explains, “The electric jet propulsion unit is a core company technology and key to providing the required performance, unit economics and comfort for regional air mobility. Consisting of electric jet engines integrated into the propulsion mounting system that forms the rear part of the wings and front aerofoils, the Lilium Jet’s unique propulsion system will provide advantages in payload, aerodynamic efficiency and a reduced noise profile, while also providing thrust vector control to maneuver the Lilium Jet through every phase of flight.”
In 2023, following successful testing of engine systems, including the fan, stator and e‑motor, Lilium assembled the first complete Jet electric engine on a pre-series line. The e‑motor has been designed to deliver industry-leading power density of over 100kW from a system weighing just over 4kg. Major subassemblies of the propulsion unit are delivered to Lilium by a team of qualified suppliers including Honeywell in alliance with Denso (e‑motor), Aeronamic (fan), and SKF (electric motor bearings).
Meanwhile, Lilium will be releasing its Full Year and Fourth Quarter 2023 Shareholder Letter on Tuesday (February 27th). The company is hosting a conference call at 8 am EST. To access the webcast of the call, please visit the Lilium investor relations website at: Lilium FY 2023 Business Update | Lilium N.V.
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(Top image: Lilium)
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