Questions tagged [falcon-heavy]

SpaceX's heavy lift launcher, based on the Falcon 9, using two strap-on boosters with a center core.

Filter by
Sorted by
Tagged with
2
votes
1answer
67 views

Feasibilities and challenges of these Orion + commercial lunar lander scenarios? [closed]

Suppose that US politicians want to fund a moon mission without SLS, using only hardware that is working now in 2019, using Orion together with some future moon lander supplied by the private sector. ...
24
votes
5answers
9k views

Why doesn't SpaceX land boosters in Africa?

Apart from the obvious answer that it'd take too long to get the booster back across the Atlantic, why doesn't SpaceX leave the main or centre booster in space a little bit longer and guide it to land ...
7
votes
1answer
206 views

Did the Falcon Heavy center core miss the drone ship or abort?

On the recent Space Test Program-2 Falcon Heavy launch, the center core crashed into the ocean. Unlike the test flight, however, it was not due to running out of TEA-TEB lighter fluid. From the video ...
2
votes
2answers
123 views

Are there payload lights turning on and off in orbit on SpaceX STP-2?

In the video of the SpaceX STP-2 Mission during satellite deployment after around T+01:21:35 there are some areas that abruptly blink brightly. It's too fast and ...
3
votes
1answer
205 views

Can we get to Mars today using current rockets/technology?

I was wondering if, using the rockets we have today (I'm guessing the most likely candidate is the Falcon Heavy), we could send at least 1 human to Mars. For arguments sake, let's ignore the fact it ...
1
vote
0answers
95 views

How many SpaceX 2nd stages are in heliocentric orbits?

I can think of one particularly famous SpaceX 2nd stage in heliocentric orbit that even has its own website: https://www.whereisroadster.com/ and I know one was used to send DSCOVR towards Sun-Earth ...
0
votes
1answer
180 views

Why is DSX two satellites connected by a ring, and what are all those tubes? (upcoming SpaceX STP-2 payload)

Reminiscent of a chrome-plated exhaust manifold from a 20th century vehicle. The Teslarati article SpaceX’s Falcon Heavy flies a complex mission for the Air Force in launch video discusses the ...
8
votes
6answers
3k views

What is “propulsive passivation” and why will the SpaceX STP-2 mission do it?

The Teslarati article SpaceX’s Falcon Heavy flies a complex mission for the Air Force in launch video discusses the upcoming third Falcon Heavy mission STP-2 and quotes the caption on the linked ...
-2
votes
1answer
224 views

What barge height limit warning sign is Scott Manley describing? (Falcon Heavy core fell into ocean)

In the beginning of Scott Manley's new video The First Commercial Lunar Spacecraft - 20 Years before Israel & Beresheet he takes a moment to talk about recent Falcon Heavy core falling off the ...
13
votes
1answer
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 ...
3
votes
0answers
123 views

Are these two length scales in FH exhaust plumes real, understood, and distinct?

The Ars Technica article We can admit it—we’re dazzled by the controlled fury of the Falcon Heavy includes a beautiful photo of the exhaust plume produced by the 27 engines of a Falcon Heavy launch. ...
3
votes
2answers
280 views

Would it be practical to add side payloads on top of Falcon Heavy's side boosters?

Those side payloads / side fairings, would be strapped on central core second stage, on top of side boosters. The idea is to increase payload volume without (that much) changing drag during the lift ...
1
vote
0answers
61 views

SpaceX Avionics [closed]

Just wondering what are some avionics aboard the falcon 9 and heavy. also what are some avionics on the dragon? Just general avionics that play a pivotal role in space travel.
4
votes
2answers
236 views

What are these big shiny metallic “lumps” on the bottom edge of each Falcon Heavy nozzle?

What are these big shiny metallic "lumps" on the bottom edge of each nozzle of each core of this Falcon Heavy image from the Teslarati article SpaceX reveals Falcon Heavy Block 5 in first official ...
9
votes
1answer
2k views

What is the white spray-pattern residue inside these Falcon Heavy nozzles?

What is the white residue in a spray pattern seen on the inside of each nozzle of each side core of this Falcon Heavy image from the Teslarati article SpaceX reveals Falcon Heavy Block 5 in first ...
14
votes
5answers
4k views

Why does Arabsat 6A need a Falcon Heavy to launch

Is it just me or does a falcon heavy seem like a bit of an overkill to launch Arabsat 6A? Falcon Heavy - GEO payload: 26,700 kilograms Arabsat 6A - weight: ~6000 kilograms Wouldn't some other ...
8
votes
1answer
349 views

Why is the Falcon Heavy interstage not black?

Falcon Heavy has two side boosters that are essentially standard Falcon 9 lower stage with a nose cone, along with a black interstage, as seen below. (Full size) But the renders that SpaceX shows of ...
2
votes
1answer
275 views

What is meant by “a high-energy geostationary orbit”? (SpaceX Arabsat 6A)

The Teslarati article SpaceX’s April 7th Falcon Heavy launch a step toward new commercial markets says: While there is some inherent uncertainty surrounding the (once again) fairly new rocket, ...
7
votes
2answers
240 views

What is the point of launching EM-1 on DIVH/F9H?

EM-1 was originally a full-up test of the SLS block 1B: Orion, ICPS (a modified 5-meter Delta cryogenic second stage), and the first stage/SRBs. NASA administrator Bridenstine’s statement on 3/13/...
3
votes
0answers
55 views

Surmountability of the technical risks to launching EM-1 on commercial rockets?

NASA administrator Bridenstine announced that commercial rockets (e.g., Delta Heavy and Falcon Heavy) would be considered as ways to launch EM-1 by July, 2020. Such a move would reportedly require a ...
2
votes
2answers
88 views

Inspect an asteroid before mining?

If I were to send a mining machine in, for example, a Falcon Heavy, I would first have to inspect the asteroid before I could start mining, so I would really have to send 2 rockets. First to inspect ...
2
votes
0answers
178 views

Does the 90 million cost for the Falcon Heavy include everything?

SpaceX says that it costs them 90 million each time to launch a Falcon Heavy, does this include fuel? If I where to purchase a Falcon Heavy launch, how much would it cost me to launch it, buying my ...
9
votes
1answer
5k views

How much fuel does the Falcon Heavy use? What is the price RP-1?

Does anyone know how much fuel the Falcon Heavy can hold, the RP-1 fuel and liquid oxygen as oxidizer, and how much of that will it use to get to a certain point? I don't know how i would calculate ...
1
vote
1answer
144 views

What is the maxium weight the falcon heavy can take to mars

I am doing a project on asteroid mining and I was wondering how much the falcon heavy can take into space, I have seen the Wikipedia page. it says it can take a max of 16.8 metric ton. but at what ...
21
votes
3answers
3k views

How is thrust transmitted from strap on boosters to the central core?

Strap on boosters of a lot of heavy launch vehicles seems to be attached with just a few "flimsy" struts. Here are few images for reference : Some of the possibilities: These support structures ...
1
vote
1answer
178 views

Would having the Falcon fairing reconnect be possible/beneficial?

I understand that many of the problems with recovering the two pieces of the Falcon 9 fairing deal with the weird aerodynamic patterns of the descent. It is by no means an aerodynamically sound object ...
7
votes
4answers
1k views

Could a Falcon Heavy assembly or something similar be useful for deep space missions? [duplicate]

Please forgive me, I'm a stargazer not an astronomer, nor a rocket scientist. If one could get a complete, fully fueled Falcon Heavy assembly into space, say for example by sandwiching one between ...
6
votes
1answer
353 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 ...
29
votes
3answers
7k views

Could the Lunar X-Prize have been won by the Tesla Roadster that was the Falcon Heavy test payload?

The Lunar X-Prize winning condition was "landing a robot on the surface of the Moon, traveling 500 meters over the lunar surface, and sending images and data back to the Earth." The Falcon Heavy test ...
11
votes
2answers
3k views

Can SpaceX Falcon 1st stage hover during landing?

I came across with this video in which the Falcon Heavy boosters' landing burn seems to deaccelerate the 1st stage until a point their speed is constant right before touchdown. ...
2
votes
3answers
382 views

What are the drawbacks using an intelligent bulldozer on Mars for the assistance of a rover?

Already in 2011 NASA Ames Research Center proposed a Mars mission called Red Dragon that would use a Falcon Heavy. A SpaceX 2015 estimation was 2,000-4,000 kg to the surface of Mars with a soft ...
2
votes
0answers
82 views

What is the scheduled launch date history for SLS EM-1?

The Falcon Heavy was famous for being "6 months away" for around 6 years, seen in this chart. How has the SLS maiden launch schedule changed since its first proposed date? P.S. If someone could ...
7
votes
1answer
560 views

What would be reasonable payload capacities of Falcon Super Heavy to various reference orbits

After the first Falcon Heavy launch, SpaceX CEO Elon Musk mentioned the feasibility of a Falcon Super Heavy, with 4 strap-on Falcon 9 boosters instead of 2. (https://www.theverge.com/2018/2/5/16975850/...
4
votes
2answers
183 views

What's this camera view of Falcon Heavy's test flight?

At about T+1:51, the lower left tile switches to some camera view I don't understand. But only for the fraction of a second, then view is back to normal. Video at that position: ...
7
votes
2answers
4k views

What is Falcon heavy's payload capacity to Trans-Lunar Injection

According to the SpaceX website (http://www.spacex.com/falcon-heavy) the falcon Heavy can carry 16.8 tons to Trans Mars Injection (TMI) and 26.7 tons to Geostationary Transfer Orbit (GTO). How much ...
3
votes
1answer
303 views

Will Falcon Heavy center cores be block 5 or something else?

I've heard that Falcon Heavy will be using the new block 5 rockets for the two side boosters, but the center core has a different configuration than the side boosters. Is Elon planning on using ...
5
votes
1answer
236 views

Can (or will) Block5 Falcon 9s be used on the Falcon Heavy?

With the Block5 version of Falcon 9 booster soon to be flying, will they be used for the Falcon Heavy, or will they remain a stand alone thing?
0
votes
1answer
224 views

How did the Tesla roadster probe push away from earth's orbit? [closed]

I know every rocket/probe has to revolve around the Earth and then push out of the Earth's orbit to reach mars. So what exactly is kicking the rocket to push out of that orbit?
1
vote
1answer
300 views

Starman and Tesla temperatures [duplicate]

As The Tesla car and Starman continue to orbit the earth, How does the paint on the car survive the extremes of temperature? As I understand it, they are both exposed to temperatures between 120C and -...
13
votes
1answer
1k views

Why can't Falcon Heavy accelerate deep space payloads as fast as Atlas V and Delta Heavy?

A Falcon Heavy with an expendable core costs $95M and lifts 2.5x as much to GTO as the Atlas V. It's Pluto injection orbit payload is nearly half of the Atlas V's GTO payload. In the answer to this ...
20
votes
3answers
4k views

How many SpaceX Starlink Internet-service satellites could be deployed in a single Falcon 9 launch? Falcon Heavy? BFR?

The mass of the two test satellites being launched this month is 400 kg, but I don't believe that includes the antennae and the structure to hold and release them. Is total mass the only constraint or ...
38
votes
1answer
8k views

Why did the Tesla Roadster spend time in the Van Allen belt?

Following the Falcon Heavy launch, the second stage + Roadster payload spent a number of hours 'drifting' through the Van Allen belt before performing the burn to put it into its current orbit. Elon ...
16
votes
3answers
4k views

Why didn't they launch the Falcon Heavy to be injected into Mars orbit?

With SpaceX's mission of getting a human colony, why would they launch the roadster into the astroid belt and not actually attempt to inject it into mars orbit?
2
votes
1answer
1k views

Why do we see smoke before ignition of Falcon Heavy? [duplicate]

We can see smoke at some regions before the main ignition takes place. Why is that?
7
votes
1answer
3k views

How much payload can Falcon Heavy Reusable lift?

I can only find figures for the Expendable configuration - 63.8 metric tons. The Wikipedia article says The partially reusable Falcon Heavy falls into the heavy-lift range of launch systems, ...
23
votes
2answers
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 ...
28
votes
1answer
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 ...
44
votes
3answers
9k views

Is a SpaceX launch completely automated?

Once the engines are ignited and liftoff occurs, are any operators/controllers on the ground making any manual changes to the flight? Or are they simply monitoring the entire event until the boosters ...
22
votes
2answers
15k views

Is Starman in the Tesla Roadster a real human?

I first need to know if starman is a real human or a robot. If he is a real human, how does he live? How many years can he live in that car?
12
votes
2answers
3k views

Can the Falcon Heavy handle deep space missions?

Can the Falcon Heavy rocket handle sending payloads past Jupiter like the Atlas V?