Questions tagged [reuse]

Questions regarding the reuse of parts or equipment.

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23
votes
3answers
2k views

Were decommissioned Cold War missiles repurposed for peaceful spaceflight?

Those formerly on either side of the Iron Curtain can now admit that the Cold War had its plusses and minuses. The key minus, of course, is that the United States and the Soviet Union constructed ...
16
votes
4answers
2k views

Why aren't there any space tugs in use?

Ion thrusters are capable of providing the same amount of delta-V for far less fuel (e.g. Falcon 9 v1.1 second stage specific impulse is 340 seconds, while some ion-thrusters have a specific impulse ...
2
votes
1answer
98 views

Can aerobrake maneuvers for entering orbit stress a ship over time?

Say you are in a happy future where mother ships travel between Earth and the Moon, or Mars, or Venus on regular runs, and are met by shuttles at each end of their voyages that transfer people, cargo, ...
7
votes
2answers
880 views

Has SpaceX considered using its abort system for cargo flights too?

If SpaceX starts reusing boosters, it has to be assumed there is an increased risk of catastrophic failure until proved otherwise. If my payload was going to be on top of one of those boosters, some ...
9
votes
2answers
902 views

Can the reaction wheels also be used to store energy?

My understanding is that the parts of a typical flywheel energy storage are pretty much the same as the parts of a typical reaction wheel subsystem -- both have a flywheel, electric motor/generator, ...
10
votes
1answer
1k views

Software to simulate / optimize ascent trajectory

I read the previous question on this site about astrodynamics software and I have tried STK (free version) and GMAT, but I could not find software to simulate and optimize a launch trajectory. Is ...
6
votes
1answer
351 views

Can the Orion be reused in space?

Orion is designed to land in the ocean and is therefor not reusable after landing (only some internal systems will be reused). But can Orion be reused while in space? What would the main issues be? ...
9
votes
3answers
2k views

What was SpaceX's original vision for booster reusability?

An article from 2007 made the following statement: SpaceX is in many ways the exact opposite of Kistler. It's run by Internet wunderkind Elon Musk, does almost all of its work in-house with a staff ...
6
votes
1answer
818 views

Was any first stage recovery system tested on SpaceX Falcon 9 flight seven?

My son really was upset he missed the launch live, so we re-watched the video at breakfast and I noticed starting at 3:27 in the video a few seconds after MECO, and stage separation, you can see the ...
12
votes
1answer
2k views

What went wrong, Falcon 9 1.1 first flight with first stage landing attempt?

They are reporting that the three engine relight in the upper atmosphere worked. But the relight of a single engine, lower down for pretend landing on the water generated too much torque and the fuel (...
5
votes
2answers
297 views

Could parts be salvaged off the Apollo thrusters found on the ocean floor?

In March of this year, Jeff Bezos' team found Saturn V engines on the ocean floor: While they will probably be placed in a museum, I'm wondering if there could possibly be a more practical use for ...
3
votes
1answer
437 views

Falcon 9 1.1 demo flight (flight 6) - Was the second stage burn meant to test deorbit?

On F9 flight 6, the first demo of the V1.1 configuration, the putative rationale for the extra second stage burn was to demonstrate relight capabilities for Geosync, and really, any orbit that ...

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