1962-045A
The third probe to be launched in the 1962 Venus window was 2MV-2 No. 1, on 1962 Sep 12. As the 8K78 rocket reached orbit and shut down the third stage main engine, a failed LOX cutoff value caused an explosion in one of the four vernier chambers in the 8D715K engine. However, the mission continued as planned until the Blok-L main engine shut down 1s into its burn when the oxidizer pump failed.
| 2MV-2 No. 1 | |||
| Date | Time | Event | Orbit |
|---|---|---|---|
| 1962 Sep 12 | 0059:13 | Launch by 8K78 | KB |
| 0104 | Blok-A sep | ||
| 0104 | Blok-I burn | ||
| 0108 | Blok-I shutdown | ||
| 0108:04 | Blok-I explosion | ||
| 1962 Sep 12 | 0108 | Blok-I sep | 186 x 213 x 64.9 |
| 0200 | T+1:00:50 BOZ burn | ||
| 0200 | T+1:01:30 Blok-L burn | ||
| 0200 | Blok-L cutoff at 1s | ||
| 1962 Sep 14 | Reentered | ||
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