MR-UR-100 (15A15; Spanker)
Rears of first and second stages
| MR-UR-100 | 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 |
RD-862 |
1 | 142.6 | 3246 |
UDMH/N2O4 |
0.0439 | |||||
| ? | ? | ? | ? | ? | |||||||
First stage engine RD-268 (+ 4x RD-863)
Steering engines RD-863
