Was der Titel sagt. Ich frage mich, ob jemand weiß, wie das Abbruchverfahren in Bezug auf das LEM bei der Landung ablief. Wenn Sie den Abstieg und die Landung von Apollo 11 beobachten Manchmal müssen die verschiedenen Stationen der Missionskontrolle den nächsten Schritt für den Abstieg und die endgültige Landung genehmigen. Ich frage mich, was genau das Verfahren für einen Abbruch war und ob sie sich sofort vom Boden (oder der Abstiegsstufe) des LEM gelöst hätten oder ob sie es benutzt und dann abgebrochen hätten.
Danke für alle, die es wissen! Ich kann dazu keine genaue Antwort finden.
If Apollo 11 (or the other Apollo missions) would have aborted during the landing sequence, would they have staged and just used the upper part of the LEM while descending, or would they have used the lower part to gain velocity and then staged?
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I think it depends on what caused the abort
If not related too the decent stage prob would have used it for a quicker response
If the decent stage failed prob would have used the accent stage for everything
It would have depended entirely on what phase of the landing sequence they were in and why they were aborting.
In the actual landing, the descent stage was almost out of fuel by the time they landed. The place they intended to land turned out to be full of boulders, so they had fire the engines for longer while they looked for a different place to land. If their reason for aborting was that they didn’t find a suitable landing site, they would have had to drop the descent stage to return to orbit.
I don’t know for sure but my perception has always been that if they hit the abort button the descent stage would detach and then the ascent engine would fire, likely very quickly in sequence. It shouldn’t rely on the descent engine because a failure with that engine could be the reason for the abort.
Apollo 10 did it. Just the ascent stage.
The answer is, it depends and it is complicated.
It would have depended both on what was the reason they were aborting, when they were aborting and what systems Mission Control/the astronauts believed were at fault.
If you search there is lots of disparate information about it, especially in descriptions of how the Luminary software used for the descent was designed. But I’m not sure there is anywhere that pulls it together into a comprehensive decision tree/matrix of what to do and when.