Investor Presentaiton

Ducted fans need 10-15X less propulsion area than open propellers for the same aircraft Note: Footprint for same aircraft weight Source: Architectural performance assessment of an eVTOL aircraft. Lilium engineering assessment. Open propeller For open propeller configurations the footprint of the propellers is dominating the overall footprint Ducted Fan Lilium Analyst Presentation 2021 19

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