DLR's launcher systems analysis division is investigating since a couple of years a visionary, extremely fast passenger transportation concept reaching the edges of space based on rocket propulsion. Work is now focusing on the iterative sizing of all major subcomponents in nominal and off-nominal flight conditions. The paper describes the recent technical progress achieved in the SpaceLiner 7 configuration supported by the EU-funded studies FAST20XX (Future high-Altitude high-Speed Transport 20XX) and CHATT (Cryogenic Hypersonic Advanced Tank Technologies). The focus of the paper is on all system aspects of the reference vehicle's preliminary design including its nominal trajectory and first assessment of its environmental impact.
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