Specifications
- Stage Number: 1 - Vanguard
- Mass: 7,661 kg
- Empty Mass: 811 kg
- Thrust (vac): 134.7 kN
- Isp: 270 s (2.6 kN·s/kg)
- Burn time: 145 s
- Isp (sea level): 248 s (2.4 kN·s/kg)
- Diameter: 1.14 m
- Length: 12.20 m
- Propellants: Lox/Kerosene
- Engines: General Electric X-405
- Stage Number: 2 - Delta A
- Mass: 2,164 kg
- Empty Mass: 694 kg
- Thrust (vac): 33.8 kN
- Isp: 271 s (2.7 kN·s/kg)
- Burn time: 115 s
- Diameter: 0.84 m
- Length: 5.36 m
- Propellants: Nitric acid/UDMH
- Engines: Aerojet AJ10-37
- Stage Number: 3 - Vanguard 3
- Mass: 210 kg
- Empty Mass: 31 kg
- Thrust (vac): 11.6 kN
- Isp: 230 s (2.3 kN·s/kg)
- Burn time: 31 s
- Isp (sea level): 210 s (2.1 kN·s/kg)
- Diameter: 0.50 m
- Length: 2.00 m
- Propellants: Solid
- Engines: Grand Central 33KS2800
Read more about this topic: Vanguard (rocket), Launches