Junkers RT-8 (Saenger I)

RT-8 Sled Launch:
Launch System: Sled-launched two-stage space plane
Sled Propulsion: Steam rocket
Launch Distance: 3 kilometers
Stage Separation: At 30km altitude
First Stage:
Power: Three airbreathing LH2 engines
Power Output: 150 tons at sea level
Stage Length: 80 meters
Wing Span: 40 meters (shoulder-mounted delta wing)

Stage Separation and Second Stage:
Separation Altitude: 30km
Second Stage Propulsion: Single Lox/LH2 engine
Second Stage Options:
Manned: Capable of carrying two astronauts (HORUS - Hypersonic Orbital Upper Stage)
Cargo: Unmanned cargo ship (CARGUS) without wings for a return trip

Second Stage (HORUS/CARGUS):
Length: 31 meters
Wing Span (Orbiter): 12 meters (low-mounted delta wing)

This craft was an ambitious early space shuttle design with innovative sled-launch technology, multiple stages for different purposes (manned, unmanned, cargo), and hybrid propulsion systems. The two-stage design allowed for versatility in missions, either for reaching orbit or suborbital flights, demonstrating the adaptability of its components for various space missions.