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They absolutely plan on returning to the launch site. Why would they put landing legs on a rocket destined to land in the ocean? The eventual plan is to accomp
by JshWright 13y ago
They absolutely plan on returning to the launch site. Why would they put landing legs on a rocket destined to land in the ocean?
The eventual plan is to accomplish the maneuver with a total of three burns. Shortly after separation, the first stage will reignite three of its nine engines to decelerate enough that hitting the atmosphere won't break it apart. This is a fairly short burn, and they have done it on at least one flight so far.
The second burn, which they haven't tested yet, will use the same three engines to boost the stage back to the site where it launched from.
Finally, they will ignite just the center engine shortly before it hits the ground in order to land softly. It can't hover. Even with the engine throttled as low as it will go, the TWR is still >1, so no hovering...
SpaceX has published all sorts of information about their Return to Launch plans, and a simple googling should reveal that. They're even put out some shiny promo videos demonstrating the process.
- arrrg 13y agoWell, they obviously plan to land on land. Why do you think I ever thought otherwise? It just seems weird to me that this fluke of geography would force them turn around and land. It seems like they could launch in Texas or somewhere and then land in Florida or something.
- JshWright 13y agoIt would take a lot more fuel to reach Florida from Texas than it would take to boost back to the launch site. The first stage is only a couple hundred kilometers downrange at stage separation. Florida is >1,000 kilometers away from Texas. The other advantage to boosting back to the launch site is that any failures result in the first stage crashing into the ocean. If you put it on a ballistic trajectory towards Miami... the worst case scenarios get a lot worse...