Naval Research Laboratory (USNavy) Vanguard
Overall
Vehicle
Operational from 06.12.1957

 

to 18.09.1959
Orbital flights   11
Payload weight t LEO 0.04
Gross liftoff weight t 10.45
Gross propellant weight t 8.91
Total length m 21.60
Max. diameter (span) m  
Total liftoff thrust (s.l.) kN 120.1
Total impulse (vac) MN*s 23.5

Fairing

Total length m 2.31
Diameter m 0.81
Total weight t 0.14
Stage 3

Name

   
  Length m 1.54
Diameter m 0.46
Liftoff weight t 0.217
Propellant weight t 0.193
Engines  

GCR X-242

Propellant  

solid CPCC

Total thrust (vac) kN 11.6
Specific impulse (vac) N*s/kg 2256
Burn time s 38
Total impulse (vac) MN*s 0.44

Stage 2

Name    
  Length m 4.88
Diameter m 0.81
Liftoff weight t 1.975
Propellant weight t 1.575
Engines   AJ-10-37
Propellant  

UDMH/Nitric Acid (WFNA)

Total thrust (vac) kN 33.0
Specific impulse (vac) N*s/kg 2618
Burn time s 125
Total impulse (vac) MN*s 4.12

Stage 1

Name    
  Length m 12.87
Diameter m 1.14
Liftoff weight t 8.08
Propellant weight t 7.14
Engines   GE X-405
Propellant   Kerosene/LOX
Total thrust (s.l.) kN 123.9
Specific impulse (s.l.) N*s/kg 2432
Burn time s 140
Total impulse (vac) MN*s 18.9