R-16 (8K64; Saddler)
Small steering engines D-69 (RD-852) for the second stage
R-16 second stage
Mounting of the second-stage engines
3 x 2 main engines RD-218 + four steering engines D-68
(RD-851)
| R-16 ICBM | 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-218 |
3 x 2 | 2,220.6 | 2412 | 2,609.7 | 2834 |
UDMH/AK-27 |
93.70 | 90 | 0.9208 |
265.5 |
| RD-851 (D68) | 4 | 282.9 | 2383 | 324.8 | 2736 |
(91) |
0.1187 |
||||
| 2 |
RD-219 |
1 x 2 | 882.6 | 2873 |
UDMH/AK-27 |
40.90 | 125 | 0.3072 | 118.6 | ||
| RD-852 (D69) | 4 | 48.2 | 2501 |
(126) |
0.0193 | ||||||
Steering engines
RD-851 (D-68)
RD-852 (D-69)