Vanguard
Country of Origin: United States
Manufacturer: Martin
Height: 23 m
Diameter: 1.14 m
Payload to LEO: 22.7 kg
Total Mass: 10.05 tons
Launch Sites: Cape Canaveral
First Flight: October 23, 1957
Last Flight: September 18, 1959
Total Launches: 11
Successful Launches: 3
Vanguard
| Stage | Diameter | Fuel | Engine | Time | Thrust (Vac.) | ISP (SL / Vac.) | Mass / Empty Mass |
|---|---|---|---|---|---|---|---|
| 1 (Vanguard) | 1.14 m | RP-1 / LOX | X-405 | 145 s | 134.7 kN | 248 s / 270 s | 7661 kg / 811 kg |
| 2 (Delta A) | 0.84 m | UDMH / Nitric Acid | AJ10-37 | 115 s | 33.8 kN | ? / 271 s | 2164 kg / 694 kg |
| 3 (Vanguard 3) | 0.5 m | Solid | Grand Central 33KS2800 | 31 s | 11.6 kN | 210 s / 230 s | 210 kg / 31 kg |
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