Martin SIPPEL, Steffen CALLSEN, Jascha WILKEN, Sunayna SINGH

DOI Number: N/A

Conference number: HiSST-2025-305

The SpaceLiner ultra-high-speed rocket-propelled passenger transport is in Phase A conceptual design after successful completion of the MRR. The ongoing concept evolution is addressing system aspects of the next configuration release 8. The space transportation role of the SpaceLiner concept as a TSTO-launcher is further refined and suitable precursor steps are investigated. The SpaceLiner cabin integration is an important aspect to be addressed as well as the feasibility of performing multiple missions compliant with noise and sonic-boom constraints. The passenger capsule’s shape has been iterated by Multi-Disciplinary Design Analyses aiming for aerodynamic stability in a wide range of flight conditions. The Thermal Protection System of both stages is adapted and is evaluated for the passenger stage for multiple missions. A worldwide network of point-to-point missions with minimized impact of sonic-boom on the overflown population is assessed. The challenges of finding a passenger rescue capsule with improved aerodynamic stability in the full flight regime are summarized. Finally, the development roadmap is linked to key elements of potential future European reusable heavy-lift launchers as precursors to the SpaceLiner and an update of estimated costs is presented.

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