Sources & image credits

Concept visualizations

AI-generated Visualization – Concept & Art Direction: David Emmenlauer/HYTRAC, 2026

The AI-generated visualizations communicate a development concept and a possible visual interpretation. They do not document built vehicles or completed missions.

Photographs and logo

Team portraits, archival photograph and congress photographs supplied by the HYTRAC team. Original photographs have not been altered using AI; crops and sizes are adapted for web display. HYTRAC logo supplied by the project.

Technical sources

• HYTRAC · Das deutsche Raumtransporter-Projekt SÄNGER, DLRK 2026 · Handout / Extended Abstract.
• Deutscher Luft- und Raumfahrtkongress 2026 ↗
• D. E. Koelle, H. Kuczera · Sänger II, an advanced launcher system for Europe · Acta Astronautica, 1989 ↗
• NASA Glenn Research Center · Ramjet Propulsion ↗

Typeface

Manrope · The Manrope Project Authors · SIL Open Font License 1.1

Concept status

Historical reference concept. Values shown are design targets, not demonstrated flight performance. Sites, flight corridors, certification and operations require reassessment.