1960-F14
1M No. 2 was launched a few days after 1M No. 1 and was also a failure. The new Blok-I stage, on its second flight, failed to ignite its 8D715K engine and the Mars probe was lost. A leaky oxygen valve had caused the kerosene in the engine pump inlet to freeze while the rocket was on the pad.
| 1M No. 2 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1960 Oct 14 | 1351:03 | Launch by 8K78 | KB LC1 |
| 1355 | Blok-A sep | ||
| 1355:53 | Blok-I failed to ignite T+290s | ||
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