All Questions
16
questions
3
votes
0
answers
150
views
Space-X Falcon-9 and Falcon Heavy fuel consumed for landing
The question is, how much fuel is used by each of above rockets for landing (in % of whole fuel of the rocket) as a function of three following components - payload, orbit and descend trajectory (land/...
- 131
13
votes
1
answer
2k
views
Why did the Falcon Heavy center core fall off the ASDS OCISLY barge?
On the second flight of the Falcon Heavy, they successfully landed the side cores at LZ-1 and LZ-2, and the center core downrange on the ASDS Of Course I Still Love You.
Reports have come in that ...
- 80k
6
votes
2
answers
736
views
Do Falcon 9/Heavy Block 5 boosters need landing legs? Or can they land back on their launch mounts?
At 2017's International Astronautical Congress, Elon Musk claimed that SpaceX could master propulsive landing without landing legs.
The assertion was that Falcon 9's ...
- 5,505
21
votes
2
answers
5k
views
Could SpaceX land on the moon today?
Now that SpaceX has a bunch of flown Block 4 Falcon 9 rockets laying around, could they theoretically do a mission to the Moon with landing even if it's just a rocket with no payload? Does it work out ...
- 367
28
votes
1
answer
4k
views
Why the soot pattern on the nosecone of Falcon Heavy side booster?
When a SpaceX booster is landed, we are used to seeing soot deposited all over it, usually in a specific pattern.
You can read more about that in this question:
Why the strange bands of soot of the ...
- 80k
3
votes
1
answer
2k
views
Just how much of the Falcon Heavy is reusable?
I've been looking for just this one bit of info, in all the press: exactly how much of the Falcon Heavy is recoverable and reusable? Obviously not the fuel, but is all the hardware recovered? If so, ...
- 41
8
votes
2
answers
2k
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Why did the Falcon Heavy core engines fail to reignite?
I realize that this is a hot take, less than twenty-four hours later at the time of posting, but is any technical detail known about why the core engines failed to restart, causing the crash?
- 2,267
16
votes
2
answers
5k
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Did the fairings from the Falcon Heavy test flight get recovered?
According to the flight plan that Elon Musk posted on Twitter, there's a section listed as 'Fairing Recovery', was this section successful? Did the Fairings get recovered?
- 1,247
8
votes
1
answer
410
views
How will they lower the landed side boosters after landing, if there is a nose cone?
To lower/handle landed stages, SpaceX has a rig that connects to the inter stage and they use it as an attach point for the crane to lift/move it.
The two cores landed in Florida after the first ...
- 80k
4
votes
1
answer
391
views
Does the centre core really need three engines to land, and if so why?
Reports suggest that the centre core of the FH launch crashed because it couldn't get the necessary three engines relit. If this isn't a misunderstanding (there was something about the shrapnel ...
- 19.6k
11
votes
2
answers
4k
views
Why not jettison the nose-cone from Falcon Heavy side boosters for better control authority?
With February 6th's launch of Falcon Heavy we saw the landing of both side boosters. During the past few weeks and again in the press conference today I've heard over and over about the increased ...
- 422
12
votes
3
answers
2k
views
If the SpaceX drone ship's camera feed gets disrupted every landing, why cant they throw the antennae off the ship on a buoy for better reception?
They mentioned on the live stream that this is because of the shaking antennae.
It has also been discussed on here before why this happens:
Why does the video feed always fail during Falcon 9 ...
- 1,006
55
votes
4
answers
40k
views
What was the fate of the main core of the first Falcon Heavy launch?
February 6th 2018 saw the first test launch of SpaceX's Falcon 9 Heavy rocket.
During the main core's landing on the marine landing pad, the connection was lost. As such it is not immediately clear ...
- 593
5
votes
1
answer
204
views
Falcon Heavy launch to landing time
We are going to see the first launch of the Falcon Heavy in person February 6th 2018. What is the expected time from initial launch to landing of the two strap on boosters nearby?
18
votes
2
answers
4k
views
On the Falcon Heavy, why are the side boosters using Ti Grid fins, but not the center core?
Elon Musk showed a picture of the almost ready to fly Falcon Heavy in the HIF (Horizontal Integration Facility, aka rocket barn).
You can see the darker, larger grid fins on the side cores, and the ...
- 80k