European Space Vehicle Launcher Development Organisation (ELDO) |
Europa I | Europa II | ||||
Overall Vehicle |
Operational | from | 30.11.1968 | 05.11.1971 | ||
to | 12.06.1970 | |||||
Orbital flights | 3 | 1 | ||||
Payload weight | t | LEO | 1.44 | GTO | 0.36 | |
Gross liftoff weight | t | 106.418 | 112.367 | |||
Gross propellant weight | t | 94.964 | 101.489 | |||
Total length | m | 31.68 | 31.68 | |||
Max. diameter (span) | m | 3.69 | 3.69 | |||
Total liftoff thrust (s.l.) | kN | 1,471 | 1,471 | |||
Total impulse (vac) | MN*s | 264.4 | 283.4 | |||
Fairing |
Total length | m | 4.00 | 4.00 | ||
Diameter | m | 2.00 | 2.00 | |||
Total weight | t | 0.308 | 0.308 | |||
Stage 4 | Name | |||||
Length | m | 2.02 (1.64) | ||||
Diameter | m | 0.73 | ||||
Liftoff weight | t | 0.807 | ||||
Propellant weight | t | 0.685 | ||||
Engines | SEP P0.68 | |||||
Propellant | solid Isolane29/9 | |||||
Total thrust (vac) | kN | 41.2 | ||||
Specific impulse (vac) | N*s/kg | 2707 | ||||
Burn time | s | 45 | ||||
Total impulse (vac) | MN*s | 1.8 | ||||
Stage 3 |
Name |
ERNO | ERNO | |||
Length | m | 3.82 | 3.82 | |||
Diameter | m | 2.02 | 2.02 | |||
Liftoff weight | t | 3.370 | 3.993 | |||
Propellant weight | t | 2.760 | 2.874 | |||
Engines | Astris 1 | Astris 2 | ||||
Propellant | Aerozin50/N2O4 | Aerozin50/N2O4 | ||||
Total thrust (s.l.) | kN | 22.6 | 23.3 | |||
Specific impulse (s.l.) | N*s/kg | 2942 | 3040 | |||
Burn time | s | 360 | 375 | |||
Total impulse (vac) | MN*s | 8.1 | 8.7 | |||
Stage 2 |
Name | SNIAS Coralie | SNIAS Coralie | |||
Length | m | 5.50 | 5.50 | |||
Diameter | m | 2.00 | 2.00 | |||
Liftoff weight | t | 11.894 | 11.959 | |||
Propellant weight | t | 9.795 | 9.765 | |||
Engines (Chambers) | LRBA Vexin A (4) | LRBA Vexin A (4) | ||||
Propellant | UDMH/N2O4 | UDMH/N2O4 | ||||
Total thrust (s.l.) | kN | 274.6 | 262.0 | |||
Specific impulse (s.l.) | N*s/kg | 2716 | 2756 | |||
Burn time | s | 96.9 | 103 | |||
Total impulse (vac) | MN*s | 26.6 | 27.0 | |||
Stage 1 |
Name | Blue Streak | Blue Streak | |||
Length | m | 18.36 | 18.36 | |||
Diameter | m | 3.05 | 3.05 | |||
Liftoff weight | t | 89.406 | 94.940 | |||
Propellant weight | t | 82.409 | 88.165 | |||
Engines (Chambers) | Rolls-Royce RZ.2 (2) | Rolls-Royce RZ.2 (2) | ||||
Propellant | Kerosene/LOX | Kerosene/LOX | ||||
Total thrust (s.l.) | kN | 1,471 | 1,471 | |||
Specific impulse (s.l.) | N*s/kg | 2438 | 2438 | |||
Burn time | s | 136.5 | 146.1 | |||
Total impulse (vac) | MN*s | 229.7 | 245.9 |