NASA Picks SpaceX Lunar Starship

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Menelmacar
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NASA Picks SpaceX Lunar Starship

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NASA picked SpaceX's Lunar Starship over Dynetics and the National Team's proposals for landing astronauts on the moon for Project Artemis in what is, I believe, a very controversial decision. But what do I know..... I'm not a rocket scientist. I just have always believed less is more, simplicity is superior. I always felt the Dynetics proposal was superior in most categories. Space X lander is going to require a fairly flat surface to land and it seems to me that it will take a lot of thrust which in turn is going to create a large crater. SpaceX relies on an elevator to egress and ingress the lunar surface, and the National Team's lander was only partially reusable and relies on a ten meter ladder that astronauts would need to climb.
It seems NASA is putting all of it's eggs into one basket. I wish they would have narrowed it down to two competitors and waited before making a final choice. The ball is now in Elon's court. The whole of NASA's plans to return to the moon depend on SpaceX.

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Re: NASA Picks SpaceX Lunar Starship

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Interesting, can you die by falling from 10 meters in 0.16 Earth's g?
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Re: NASA Picks SpaceX Lunar Starship

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If you land wrong or rip your spacesuit, yes.
The energy equivalent is falling from 1.6 meters on Earth.
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Re: NASA Picks SpaceX Lunar Starship

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Tony0945 wrote: Sun Apr 18, 2021 8:24 pm The energy equivalent is falling from 1.6 meters on Earth.
That's doable, you can skip the ladder altogether.
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Re: NASA Picks SpaceX Lunar Starship

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Watch some of the video of the Apollo astronauts using a few feet of ladder on the moon.
It looked really awkward.
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Re: NASA Picks SpaceX Lunar Starship

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Henry Crunn wrote: Sun Apr 18, 2021 10:28 pm Watch some of the video of the Apollo astronauts using a few feet of ladder on the moon.
It looked really awkward.
If an astronaut was injured, it could prove very difficult getting them up a ten meter ladder on the National Team Lander. Which if you are unfamiliar with that group; it consists of Blue Origin, Northrop Grumman, Lockheed Martin, and Draper. The other negative with that vehicle is it is mostly non reusable.

I understand the SpaceX Lunar Starship has two airlocks, but I am uncertain where the second airlock is located. What happens if the elevator becomes inoperable? That vehicle is over 48 meters tall, and the airlock must be around 30 meters high.

The hit against the Dynetics proposal was the vehicle weighed considerably more than advertised and would require a different set of engines than already designed. It was also intended to carry different modules and rovers. It required the refueling in Lunar orbit where the SpaceX lander would be refueled in Earth orbit.

I am still under the opinion that the positives of the Dynetics lander far outweighed the negatives. I think it would be the most crew friendly of the three proposals.
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Re: NASA Picks SpaceX Lunar Starship

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They will all be late and over budget and probably overweight too.
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