Long March 2
Country of Origin: China
Manufacturer: CALT
Height: 32 – 62 m
Diameter: 3.35 m
Payload to LEO: 2 to 9.5 tons
Total Mass: 190 to 464 tons
Launch Sites: Jiuquan, Taiyuan, Xichang
First Flight: November 5, 1974 (LM-2A), Novmeber 19, 1999 (LM-2F)
Last Flight: Active
Total Launches: 4 (2A), 41 (2C), 29 (2D), 7 (2E), 11 (2F)
Successful Launches: 3 (2A), 40 (2C), 20 (2D), 5 (2E), 11 (2F)
Long March 2C
| Stage | Diameter | Fuel | Engine | Time | Thrust (Vac.) | ISP (SL / Vac.) | Mass / Empty Mass |
|---|---|---|---|---|---|---|---|
| 1 | 3.35 m | UDMH / N2O4 | 4 x YF-21C | 4 x 740.4 kN | 260.7 / ? s | Prop mass: 162.7 tons | |
| 2 (YF-24E) | 3.35 m | UDMH / N2O4 | YF-22E + 4 x YF-23C verniers | 741.4 + 47.1 kN | ? / 298 s | Prop mass: 54.67 tons | |
| 3 (opt.) | 2.7 m | HTPB | Solid | 10.78 kN | ? / 285.9 s | Prop mass: 0.125 tons |
Long March 2D
| Stage | Diameter | Fuel | Engine | Time | Thrust (Vac.) | ISP (SL / Vac.) | Mass / Empty Mass |
|---|---|---|---|---|---|---|---|
| 1 | 3.35 m | UDMH / N2O4 | 4 x YF-21C | 4 x 740.4 kN | 260.7 / ? s | Prop mass: 182 tons | |
| 2 (YF-24C) | 3.35 m | UDMH / N2O4 | YF-22C + 4 x YF-23C verniers | 742.04 + 47.1 kN | ? / 300 s | Prop mass: 52.7 tons |
Long March 2E
| Stage | Diameter | Fuel | Engine | Time | Thrust (Vac.) | ISP (SL / Vac.) | Mass / Empty Mass |
|---|---|---|---|---|---|---|---|
| Boosters | 2.25 m | UDMH / N2O4 | 4 x YF-20B | 127 s | 4 x 740.4 kN | 260.7 / ? s | 40.75 tons / 3 tons |
| 1 | 3.35 m | UDMH / N2O4 | 4 x YF-20B | 160 s | 4 x 740.4 kN | 260.7 / ? s | 198.83 tons / 12.55 tons |
| 2 (YF-24B) | 3.35 m | UDMH / N2O4 | YF-22B + 4 x YF-23B verniers | 301 s | 738.4 + 47.1 kN | ? / 298 s | 91.41 tons / 4.955 tons |
| 3 (EPKM) (opt.) | 1.7 m | HTPB | FG-46 | 87 s | 190 kN | ? / 293 s | 6 tons / 0.557 tons |
Long March 2F
| Stage | Diameter | Fuel | Engine | Time | Thrust (Vac.) | ISP (SL / Vac.) | Mass / Empty Mass |
|---|---|---|---|---|---|---|---|
| Boosters | 2.25 m | UDMH / N2O4 | 4 x YF-20B | 128 s (?) | 4 x 814 kN | ? / 291 s | 41 tons / 3.2 tons |
| 1 | 3.35 m | UDMH / N2O4 | 4 x YF-20B | 166 s | 4 x 814 kN | ? / 291 s | 196.5 tons / 9.5 tons |
| 2 (YF-24B) | 3.35 m | UDMH / N2O4 | YF-22B + 4 x YF-23B verniers | 300 s | 831 kN | ? / 298 s | 91.5 tons / 5.5 tons |
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