Soyuz FG
The launch of Soyuz TMA-3 atop a Soyuz-FG rocket.
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| Function | Orbital carrier rocket |
|---|---|
| Manufacturer | TsSKB-Progress |
| Country of origin | Russia |
| Size | |
| Height | 49.5 m for Soyuz-FG and 42.5 m for Soyuz-FG/Fregat |
| Diameter | 2.95 m |
| Mass | 305,000 kg (672,000 lb) |
| Stages | 2 (Soyuz FG) or 3 (Soyuz-FG/Fregat) |
| Capacity | |
| Payload to LEO | 6900 kg for Soyuz-FG and 7,800 kg for Soyuz-FG/Fregat |
| Payload to 800km SSO (only for Soyuz-FG/Fregat) |
4,500 kg (9,900 lb) |
| Associated rockets | |
| Family | R-7 (Soyuz) |
| Launch history | |
| Status | Active |
| Launch sites |
Soyuz-FG: LC-1/5 & LC-31/6, Baikonur |
| Total launches | 58 (FG: 48, FG/Fregat: 10) |
| Successes | 58 |
| First flight |
Soyuz-FG: May 20, 2001 Soyuz-FG/Fregat: June 2, 2003 |
| Last flight |
Soyuz-FG: November 17, 2016 Soyuz-FG/Fregat: July 22, 2012 |
| Notable payloads | |
| Boosters - Blok-B,V,G,D | |
| No. boosters | 4 |
| Length | 19.6 m (64 ft) |
| Diameter | 2.68 m (8.8 ft) |
| Empty mass | 3,800 kg (8,400 lb) |
| Gross mass | 43,400 kg (95,700 lb) |
| Engines | RD-107A |
| Thrust |
Sea Level: 838.5 kN (188,500 lbf) Vacuum: 1,021.3 kN (229,600 lbf) |
| Specific impulse |
Sea Level: 263.3 s (2.582 km/s) Vacuum: 320.2 s (3.140 km/s) |
| Burn time | 118 seconds |
| Fuel | LOX/RG-1 |
| First stage - Blok-A | |
| Length | 27.1 m (89 ft) |
| Diameter | 2.95 m (9.7 ft) |
| Empty mass | 6,550 kg (14,440 lb) |
| Gross mass | 99,500 kg (219,400 lb) |
| Engines | RD-108A |
| Thrust |
Sea Level: 792.48 kN (178,160 lbf) Vacuum: 990.18 kN (222,600 lbf) |
| Specific impulse |
Sea Level: 257.7 s (2.527 km/s) Vacuum: 320.6 s (3.144 km/s) |
| Burn time | 280 seconds |
| Fuel | LOX/RG-1 |
| Second stage - Blok-I | |
| Length | 6.7 m (22 ft) |
| Diameter | 2.66 m (8.7 ft) |
| Empty mass | 2,410 kg (5,310 lb) |
| Gross mass | 25,300 kg (55,800 lb) |
| Engines | RD-0110 |
| Thrust | 297.93 kilonewtons (66,980 lbf) |
| Specific impulse | 326 seconds |
| Burn time | 230 seconds |
| Fuel | LOX/RG-1 |
| Upper stage (optional) - Fregat | |
| Length | 1.5 m (4.9 ft) |
| Diameter | 3.35 m (11.0 ft) |
| Empty mass | 930 kg (2,050 lb) |
| Propellant mass | 5,250 kg (11,570 lb) |
| Engines | S5.92 |
| Thrust | 19.85 kilonewtons (4,460 lbf) |
| Specific impulse | 333.2 seconds |
| Burn time | 1100 seconds |
| Fuel | N2O4/UDMH |
Soyuz-FG: LC-1/5 & LC-31/6, Baikonur
The Soyuz-FG launch vehicle is an improved version of the Soyuz-U, from the R-7 family of rockets, designed and constructed by TsSKB-Progress in Samara. It made its maiden flight on May 20, 2001, carrying a Progress M1-6 cargo spacecraft to the International Space Station (ISS).
Since October 30, 2002 the Soyuz-FG has been the only vehicle used by the Russian Federal Space Agency to launch Soyuz-TMA and Soyuz-MS manned spacecraft to the ISS. All launches have been successful.
Another version of the Soyuz-FG is the Soyuz-FG/Fregat with Fregat as its 3rd stage, developed and produced by Lavochkin Association in Khimki. A European-Russian company Starsem owns all rights to launches using this version. As of December 2014 there have been 10 launches of Soyuz-FG/Fregat with commercial payloads. Its maiden flight occurred on June 2, 2003.
The analog control system of this spacecraft significantly limits its capabilities, and it will eventually be replaced by the Soyuz-2 launch vehicle.
The Soyuz-FG is launched from the Baikonur Cosmodrome in Kazakhstan, using launch site LC-1/5 for Soyuz-FG and LC-31/6 for Soyuz-FG/Fregat.
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