Questions tagged [reuse]

Questions regarding the reuse of parts or equipment.

Filter by
Sorted by
Tagged with
8
votes
1answer
656 views

SpaceX Falcon 9 Reusable first stage propellant for return

How much propellant is required to return the Falcon 9 Reusable's first stage after separation?
8
votes
1answer
675 views

What is the practical limit on reusable chemical rockets?

With few exceptions, orbit-reaching rocket systems have a service life limited to a single launch. The Space Shuttle was intended at concept to be highly (and economically) reusable. Although much of ...
9
votes
2answers
905 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, ...
14
votes
5answers
7k views

How is SpaceX going to land their Falcon first stage?

SpaceX's attempt at a reusable first stage rocket sounds amazing, but how they're going to get it to land back on the launchpad is beyond me. Assuming that the first stage will separate with a speed ...
9
votes
2answers
2k views

Are the Falcon 9 landing legs aerodynamic surfaces as well?

With the CRS-3 (SpaceX-3) launch of a Falcon 9 v1.1 with a Dragon capsule to the ISS the F-9 will launch with landing legs for the first time. Elon Musk Tweeted an image of the legs mounted on the ...
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 ...
13
votes
3answers
7k views

Were Space Shuttle External Tanks recoverable and reusable?

During the launch of STS vehicle, the two stage 0 Solid Rocket Boosters (SRB) were jettisoned and recovered after they gently parachuted into the ocean: But what happened with the STS External Tanks ...
6
votes
1answer
820 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 ...
5
votes
2answers
298 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 ...
14
votes
1answer
1k views

Could an EVA Suit meant for Mars be used for EVA on another celestial, or vice-versa?

A quick follow-up to What is the power requirement of a spacesuit? The Apollo 11 crew were in a vacuum out on Luna; their space-suits fulfilled the purpose of a basic space-suit about which Wikipedia ...
3
votes
1answer
439 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 ...
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 (...
15
votes
4answers
1k views

Vertical-takeoff, vertical-landing (VTVL) vehicle falling orientation

The SpaceX Grasshopper vehicle (formally a VTVL vehicle) tests have been increasing the height that their tests can climb to before doing the vertical landing. Throughout all these tests it keeps ...

1 2 3 4
5