| Islamic Republic Iran |
Safir-1 |
Safir-1A |
Safir-1B |
Safir-1B+ |
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|
Overall Vehicle |
Operational | from | 16.08.2008 | 15.06.2011 | 03.02.2012 | 23.05.2012 | ||||
|
|
to | 03.02.2009 | 29.08.2019 | |||||||
| Orbital flights | 2 | 1 | 1 | 5 | ||||||
| Payload weight | t | LEO | 0.027 | LEO | 0.015 | LEO | ~0.050 | LEO | 0.052 | |
| Gross liftoff weight | t | ~25.20 | ~25.25 | ~25.15 | ~25.25 | |||||
| Gross propellant weight | t | ~21.25 | ~21.25 | ~21.25 | ~21.25 | |||||
| Total length | m | ~ 22.60 | ~ 22.60 | ~ 22.60 | ~ 22.60 | |||||
| Max. diameter (span) | m | |||||||||
| Total liftoff thrust (s.l.) | kN | 284.4 | 298.2 | 298.2 | 333.6 | |||||
| Total impulse (vac) | MN*s | 56.9 | 59.2 | 59.2 | 61.3 | |||||
|
Fairing |
Total length | m | ~2.00 | ~2.00 | ~2.00 | ~2.00 | ||||
| Diameter | m | 1.25 | 1.25 | 1.25 | 1.25 | |||||
| Total weight | t | ~0.1 | ~0.1 | ~0.1 | ~0.1 | |||||
| Stage 2 |
Name |
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| Length | m | ~3.10 | ~3.10 | ~3.10 | ~3.10 | |||||
| Diameter | m | 1.25 | 1.25 | 1.25 | 1.25 | |||||
| Liftoff weight | t | ~3.40 | ~3.48 | ~3.45 | ~3.45 | |||||
| Propellant weight | t | ~3.05 | ~3.05 | ~3.05 | ~3.05 | |||||
| Engines | LRE-4 (2) | LRE-4+ (2) | LRE-4+ (2) | LRE-4+ (2) | ||||||
| Propellant | UDMH /AK-27 | UDMH /N2O4 | UDMH /N2O4 | UDMH /N2O4 | ||||||
| Total thrust (vac) | kN | 34.1 | 35.4 | 35.4 | 35.4 | |||||
| Specific impulse (vac) | N*s/kg | ~2736 | ~2844 | ~2844 | ~2844 | |||||
| Burn time | s | 245 | 245 | 245 | 245 | |||||
| Total impulse (vac) | MN*s | 8.3 | 8.7 | 8.7 | 8.7 | |||||
|
Stage 1 |
Name | |||||||||
| Length (+ adapter) | m | ~17.50 | ~17.50 | ~17.50 | ~17.50 | |||||
| Diameter | m | 1.25 | 1.25 | 1.25 | 1.25 | |||||
| Liftoff weight | t | ~21.66 | ~21.66 | ~21.57 | ~21.66 | |||||
| Propellant weight | t | ~18.20 | ~18.20 | ~18.20 | ~18.20 | |||||
| Engines | Nodong (1) | Nodong+ (1) | Nodong+ (1) | Nodong++ (1) | ||||||
| Propellant | UDMH/AK-27 | UDMH/N2O4 | UDMH/N2O4 | UDMH/N2O4 | ||||||
| Total thrust (s.l.) | kN | 284.4 | 298.2 | 298.2 | 333.6 | |||||
| Specific impulse (s.l.) | N*s/kg | 2422 | 2540 | 2540 | 2658 | |||||
| Burn time | s | 155 | 155 | 155 | 145 | |||||
| Total impulse (vac) | MN*s | 48.6 | 50.5 | 50.5 | 52.6 | |||||