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U.S.S.R / NPO Yuzhnoye (Ukraine) |
Tsiklon 2 (R-36-O) | Tsiklon 2M | Tsiklon 3 | Tsiklon 2K | ||||||
|
Overall |
Operational | from | 17.09.1966 | 27.10.1967 | 24.06.1977 | |||||
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to | 08.08.1971 | 25.06.2006 | 30.01.2009 | ||||||
| Orbital flights | 18 | 115 | 119 | 0 | ||||||
| Payload weight | t | LEO | 3.35 | LEO | 2.85 +AKS | LEO | 4.10 | SSO | 1.46 | |
| Gross liftoff weight | t | 174.7 | ~186 | 191.3 | 185.8 | |||||
| Gross propellant weight | t | 161.19 | 171.36 | 174.55 | 171.96 | |||||
| Total length | m | 31.95 | 39.65 | 39.27 | 40.39 | |||||
| Max. diameter (span) | m | 3.60 | 3.60 | 3.60 | 3.60 | |||||
| Total liftoff thrust (s.l.) | kN | 2,650.1 | 2,650.1 | 2,650.1 | 2,650.1 | |||||
| Total impulse (vac) | MN*s | 481.1 | 511.8 | 521.7 | 513.6 | |||||
|
Fairing |
Total length | m | 3.00 | 10.70/6.50 | 9.54 | 9.64 | ||||
| Diameter | m | 2.20 | 2.20/3.00 | 2.70 | 2.70 | |||||
| Total weight | t | ~0.50 | ~1.00 | ~1.00 | ~1.10 | |||||
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Stage 3 |
Name | S5.M | ADU-600 | |||||||
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Length | m | 2.72 | 2.90 | ||||||
| Diameter | m | 2.42 | 1.00 - 2.00 | |||||||
| Liftoff weight | t | 4.60 | 1.640 | |||||||
| Propellant weight | t | 3.19 | 0.600 | |||||||
| Engines | RD-861 | S7.21? (4) | ||||||||
| Propellant | UDMH/N2O4 | UDMH/N2O4 | ||||||||
| Total thrust (vac) | kN | 78.7 | 2.44 | |||||||
| Specific impulse (vac) | Ns/kg | 3109 | 2952 | |||||||
| Burning time | s | 126 | 720 | |||||||
| Total impulse (vac) | MN*s | 9.9 | 1.8 | |||||||
| Stage 2 |
Name |
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Length (+adapters) | m | 10.08 | 10.08 | 10.86 | 11.88 | ||||
| Diameter | m | 3.00-2.00 | 3.00-2.00 | 3.00 | 3.00 | |||||
| Liftoff weight | t | 48.35 | 52.00 | 52.00 | 52.00 | |||||
| Propellant weight | t | 45.61 | 49.08 | 49.08 | 49.08 | |||||
| Engines (Chambers) | RD-252 (2) |
RD-262 (2) |
RD-262 (2) |
RD-262M (2) |
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| Propellant | UDMH/N2O4 |
UDMH/N2O4 |
UDMH/N2O4 |
UDMH/N2O4 |
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| Total thrust (vac) | kN | 940.5 (+53.9) | 940.5 (+53.9) | 940.5 (+53.9) | 940.5 (+53.9) | |||||
| Specific impulse (vac) | Ns/kg | 3115 | 3115 | 3115 | 3077 | |||||
| Burning time | s | 140 (170) | 151.5 (170) | 151.5 (170) | 151.5 (170) | |||||
| Total impulse (vac) | MN*s | 140.8 |
151.7 |
151.7 |
151.7 |
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Stage 1 |
Name | |||||||||
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Length | m | 18.87 | 18.87 | 18.87 | 18.87 | ||||
| Diameter | m | 3.00 | 3.00 | 3.00 | 3.00 | |||||
| Liftoff weight | t | 122.50 | 129.60 | 129.60 | 129.60 | |||||
| Propellant weight | t | 115.58 | 122.28 | 122.28 | 122.28 | |||||
| Engines (Chambers) | 3 | RD-251M (2) | RD-261 (2) | RD-261 (2) | RD-261M (2) | |||||
| Propellant | UDMH/N2O4 | UDMH/N2O4 | UDMH/N2O4 | UDMH/N2O4 | ||||||
| Total thrust (s.l.) | kN | 2,364.7 (+285.4) | 2,364.7 (+285.4) | 2,364.7 (+285.4) | 2,364.7 (+285.4) | |||||
| Specific impulse (s.l.) | Ns/kg | 2644 | 2644 | 2644 | 2644 | |||||
| Burning time | s | 113 (128) | 120 (128) | 120 (128) | 120 (128) | |||||
| Total impulse (vac) | MN*s | 340.3 | 360.1 | 360.1 | 360.1 | |||||