Hydra 7, Semroc
Semroc Hydra 7 cluster rocket, B6-4, four-engine cluster
Rocketry Product: Estes - B6 Single-Use Motor {Motor}
| Author | jpwsml |
| Duration | 39 seconds |
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Semroc Hydra 7 cluster rocket, B6-4, four-engine cluster
Rocketry Product: Estes - B6 Single-Use Motor {Motor}
| Author | jpwsml |
| Duration | 39 seconds |
|
|