Weapons Research Establishment

Redstone-Sparta

Overall
Vehicle
Operational from 28.11.1966

 

to 29.11.1967
Orbital flights (+ suborbital)   1 (+ 9)
Payload weight t 0.073
Gross liftoff weight t 24.50
Gross propellant weight t 20.93
Total length m 21.77
Max. diameter (span) m 3.66
Total liftoff thrust (s.l.) kN 311.4
Total impulse (vac) MN*s 47.3

Fairing

Total length m 2.17
Diameter m 0.76
Total weight t 0.00
Stage 3 Name   Alcyone
  Length m 0.81
Diameter m 0.48
Liftoff weight t 0.098
Propellant weight t 0.087
Engines   BE-3
Propellant   solid
Total thrust (vac) kN 27.5
Specific impulse (vac) N*s/kg 2677
Burn time s 8.4
Total impulse (vac) MN*s 0.2
Stage 2

Name

  Antares II
  Length m 1.70
Diameter m 0.76
Liftoff weight t 1.525
Propellant weight t 1.168
Engines   ABL X-259
Propellant   solid
Total thrust (vac) kN 93.2
Specific impulse (vac) N*s/kg 2579
Burn time s 38
Total impulse (vac) MN*s 3.5

Stage 1

Name   Redstone
  Length m 17.00
Diameter m 1.78 (1.60)
Liftoff weight t 22.80
Propellant weight t 19.67
Engines   NAA75-110-A6
Propellant   Ethyl-Alcohol/LOX
Total thrust (s.l.) kN 311.4
Specific impulse (s.l.) N*s/kg 1917
Burn time s 121
Total impulse (vac) MN*s 43.6