MR-UR-100U (15A16; Spanker)
Second stage with unknown engines 15A1/15A1V
| MR-UR-100U | Thrust s.l. | Isp s.l. | Thrust vac | Isp vac |
Propellant |
Burn time |
Flow rate |
Total Imp.(vac) |
|||
| Stage |
Engines |
Chamb. |
kN | Ns/kg | kN | Ns/kg |
Fuel/Oxidizer |
tons |
sec |
t/sec |
MN*sec |
| 1 |
RD-268 |
1 | 1,146.5 | 2903 | 1,235.7 | 3128 |
UDMH/AK-27 |
0.3950 |
|
||
| RD-863 | 4 | 276.5 | 2579 | 316.6 | 2953 |
|
0.1072 |
||||
| 2 |
15A1 |
4 (?) |
UDMH/AK-27 |
||||||||
| 15A1V |
4 (?) |
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