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