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Technical Data

The technical specifications of the SpaceLiner 7 are:

	Passenger Stage (50 Passenger version)	Booster (Long version)	Total (Australia Europe mission)
Overall Length:	65.6 m	82.3 m
Wing span:	33 m	36.0 m
Overall Height:	12.1 m	8.7 m	21.5 m
Cabin length:	15.3 m
Fuselage diameter:	6.4 m	8.6 m
Empty weight:	140 t	201 t	341 t
Total mass:	370 t	1485 t	1855 t
Propellant mass:	215 t	1285 t
MECO mass:	155 t	215.5 t	1500 t
Maximum alitutde:	approx. 80 km	approx. 75 km
Maximum speed:	7 km /s (25,200 km/h)	3.7 km /s (13,300 km/h)
Maximum Mach number:	24	14
Max range:	up to about 18,000 km
Number of engines:	2	9	11

Propulsion

The SpaceLiner concept intends to use a single type of reusable liquid rocket engine, which operates in the full-flow staged combustion cycle mode. The nozzle expansion ratio is adapted to the different missions of the booster and passenger stages. Furthermore, liquid hydrogen and liquid oxygen will be used as the propellants, a combination which is both very powerful while remaining eco-friendly.

	Passenger Stage	Booster
Mixture ratio:	6.0
Combustion chamber pressure:	16.0 MPa
Mass flow rate (per engine):	518 kg/s
Expansion ratio	59.0	33.0
Specific impulse (vacuum)	449 s	437 s
Specific impulse (sea level)	363 s	389 s
Thrust per engine (vecuum)	2268 kN	2206 kN
Thrust per engine (sea level)	1830 kN	1961 kN

Contact

Martin Sippel
German Aerospace Center (DLR)
Institute of Space Systems
Bremen
Tel.: +49 (0) 421 24420-1145