Questions tagged [falcon-heavy]

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

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9
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2answers
1k 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 ...
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1answer
507 views

Was anything else about the Falcon Heavy test launch “off nominal” besides the center core return?

Apart from the announcement that the center core failed to return correctly, it appeared from media coverage that the flight went exactly according to plan, but there is always the potential for ...
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1answer
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How deep into space will the live feed from Starman remain active?

Assuming they keep it streaming for us to watch, at what distance will it no longer broadcast?
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If a living person had been inside Starman's suit, would the launch have been survivable?

The spacesuit in the falcon heavy test launch was a genuine test article. Assuming the suit performed nominally could a person have ridden the roadster into space?
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1answer
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In what position is the Tesla Roadster mounted on the SpaceX Falcon Heavy?

I've been looking at the live streams but it's difficult to tell. How is the Tesla mounted on the Falcon Heavy? Is parallel or perpendicular to the axis of the rocket?
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If Starman is heading to Mars, why is he still spinning so we see the earth?

If Starman is heading to Mars, why is he still spinning so we see the earth? Shouldn't he always be pointing away from the earth?
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1answer
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How many times did Starman orbit the Earth pre-third burn

Starman was in a 6 hour holding orbit before the injection burn to Mars (Assuming that happens at the 6 hour mark). This was done to test the capability to put a satellite directly in GEO orbit. Did ...
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How long will it take for Starman to get to Mars?

How long will it take for the Starman to get to Mars? I'm following the incredible launch of the Heavy Falcon and Starman, and would like to know. Thanks!
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1answer
481 views

Are Falcon Heavy's side boosters aerodynamically detached?

During SpaceX Falcon Heavy test launch live stream, it's been said, just after boosters engines cutoff, the pneumatic separation system on the centre core will unlock the two side boosters and ...
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Starman what are all these little bits

I keep seeing all these little partials or bits flying all over the place, any idea what they are (circled in green). Here is one moving in front of the earth.
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Where are cameras mounted on the 'Starman' payload of today's F-H launch?

Where are the cameras on the Starman mounted? I see it (the entire payload) is a small engine with the roadster mounted on top of it. There are camera shots of the nozzle of the payload, of the ...
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1answer
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What is this object on the Falcon Heavy payload stream?

On the live stream from the Falcon Heavy's payload (The Tesla car with dummy) an object appears to be visible between the car and the planet, what is it? The object is visible in the right hand side ...
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Is Starman wearing a seatbelt?

While staring at the live feed of a crash dummy in a convertible in outer space, I was wondering: Is this crash dummy following safety conventions and wearing a seat belt? I somehow doubt that it ...
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9answers
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Was the side booster footage from the same camera during the Falcon Heavy test flight stream?

Chat has once again led me to ask a question. Geoffc suggest that the "two bottom feeds were from the same camera" as they aimed at the same landing site. I then started to collect some images to see ...
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1answer
548 views

Would it be beneficial to land Falcon Heavy's side boosters on droneships too?

Although the synchronous landing of the Falcon Heavy side boosters looks impressive, they seem to have traveled a long way back to the landing zones. How does this ...
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4answers
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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 ...
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Why is there any launch window at all for the Falcon Heavy test flight?

Why is the window only ~3 hours long, why not 2? why not 5? why not "until it launches"? I'm guessing range safety, they could only get a TFR that long?
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How long will it take Elon Musk's roadster to become the fastest ever car?

In chat, site moderator PearsonArtPhoto raised an interesting question after I'd pointed out that watching this launch could be disguised as watching "A car go faster than any car has gone before." ...
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How to view the Feb 6, 2018 Falcon Heavy launch?

Will the Feb 6, 2018 SpaceX Falcon Heavy launch from KSC be visible in Boca Raton/ Deerfield Beach area? Is there a good site for determining viewing ranges for launches?
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Why is the Falcon Heavy first launch being given such a risk of failure? [closed]

Why is there is so much fuss about Falcon Heavy exploding on the way? I don't understand why would they purposely design a rocket having a good chance of explosion during launch. If they are not ...
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3answers
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Will the Falcon Heavy be far enough in 12 seconds to not cause damage?

Elon Musk has stated that he will consider it a success if the Falcon Heavy gets far enough away from the launch pad to not cause damage if it blows up. The Falcon Heavy underwent a 12 second static ...
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3answers
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Why won't Falcon Heavy launch with 100% thrust?

The crossfeed system is not yet realized for Falcon Heavy. Instead, the central booster will throttle down after liftoff and resume "full thrust after side boosters separate". Why would one do that ...
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Why is the first launch of Falcon Heavy sending a car instead of something useful?

The first launch of the new Falcon Heavy will be sending up a Tesla Roadster owned by Elon Musk as its payload instead of something more useful. Why spend all that money and effort sending up a car? ...
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Will the Tesla Roadster return any telemetry?

Is there any equipment fitted to the Tesla Roadster to send signals back to Earth, even for a short time after launch?
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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?
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Why does the Falcon Heavy Rocket have a higher payload than the Space Shuttle?

The Falcon 9 heavy rocket has a thrust of about 5,340,000 pounds (23700 kN) with a LEO payload of 140,660 pounds (65.7 t). The Space Shuttle, on the other hand, had a thrust of 6,780,000 pounds (30000 ...
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Is the Falcon Heavy as loud as the Space Shuttle or Saturn V?

Is the Falcon Heavy Rocket as loud as the older Saturn V and Space Shuttles? I have read that Saturn V and the Space Shuttle were within a few decibels of each other. The newer Shuttle was slightly ...
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Could an Orion Spacecraft launch from a Falcon Heavy? [duplicate]

The cost of an SLS launch is significantly more expensive then a Falcon Heavy. Could an Orion spacecraft be mated to the Falcon Heavy to save launch costs?
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1answer
620 views

Falcon Heavy path and propulsion to Mars

Has SpaceX provided any details on their specific plans for the trajectory of the Falcon Heavy payload propulsion on its trip out as far as Mars orbit? I'm wondering if they have made public whether ...
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1answer
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Can the launch of Falcon Heavy be seen well from the Rocket Garden?

Is any viewing of the falcon heavy launch visible from the $75 rocket garden ticket? Just trying to decide if it would be worth the money.
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Can I drive Elon Musk's Tesla after it's been in space for 100 Years?

We know that the the payload of the maiden Falcon Heavy flight will be... Elon Musks's Tesla Which will be placed in "Mars Orbit" Assuming it is serviced and road ready when launched with the keys in ...
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How can Elon Musk's Tesla actually reach Mars orbit?

So the payload of the maiden Falcon Heavy flight will be... Elon Musks's Tesla This is one part publicity stunt (it's going to be playing David Bowie's Space Oddity, if for nothing more than the ...
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What are these yellow devices attached to the Falcon Heavy?

I was looking at the pictures of the newly rolled out Falcon Heavy and I noticed these odd yellow extensions on the payload faring. What are they?
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What secondary payloads, if any, are launching on the inaugural flight of Falcon Heavy?

Overshadowed by a silly, yet awesome primary payload — 'a cool colored cool electric sports car playing a cool track' on to a heliocentric orbit, are there other satellites/secondary payload Falcon ...
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Why was the falcon heavy already on the pad?

Why would the falcon heavy sit on the launch pad if it is not yet ready to be launched? Wouldn't this just make it susceptible to damage to inclement weather and possible (although not probable due ...
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Why are the Falcon Heavy boosters stacked in a row instead of a triangle?

I wonder if triangle stack would be a better design to handle thrust and stability of the flight. Photo source (public domain).
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Has any payload been as silly, as the Falcon Heavy's Tesla Roadster?

Seemingly as a joke, Elon Musk suggested in a tweet that the first payload of Falcon Heavy demo flight would be his Midnight Cherry Tesla Roadster. The first payload of Falcon 9 with a Dragon test ...
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1answer
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What if an engine fails to ignite on Falcon Heavy?

The Falcon Heavy has 27 engines (Suck on it N-1!) in three sets of 9 (per core booster). SpaceX initially suggested they might need a couple of static fires to nail down the ignition sequence, since ...
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1answer
573 views

Do they assemble the Falcon Heavy on the TEL?

The Falcon 9 stages, by themselves, are usually stored on rotisserie style mounts, that allow the stage to be rotated and worked on easily. That is, if the engineer needs access to the top, instead ...
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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 ...
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1answer
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Will the Falcon Heavy make the first full fairing reuse ever?

The two side boosters will need some kind of aerodynamic protection, which could very much be recovered with the rocket in one piece. Will they be recovered and reused?
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Is a Falcon Semi-Heavy plausible?

Some rockets use strap-on boosters to match the payload requirements, even sometimes launching with only one strap on. Is this a plausible scenario for Falcon to be strapped together with only one ...
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How long would a Falcon Heavy last in orbit around Mars before degrading?

Elon Musk made another characteristic splash recently with his plan to launch a Falcon Heavy into orbit around Mars, with the bonus payload of his personal Tesla Roadster inside. Of course, it's an ...
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1answer
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Falcon 9 design: Why is the cargo fairing so much wider than the lower parts?

Why does the cargo fairing have a much larger diameter than the lower part of the rocket? Of course a larger diameter lets thicker payloads fit. But then the first, inter, and second stage could have ...
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What will the Falcon Heavy maiden flight launch as its payload?

I know that Elon Musk has stated that SpaceX will try to launch the "silliest thing imaginable" on the maiden flight of the Falcon Heavy, but will it be a Dragon capsule on top or a special SpaceX ...
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Why can Falcon Heavy bring 4.2 times as much mass to Mars than F9, but only 2.7 times as much to LEO?

In Wikipedia's article SpaceX Falcon-Heavy the section titled Capabilities has a table comparing maximum payload masses to Falcon 9 for different payload destination. The current numbers there are ...
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Why is the development of the Falcon Heavy difficult, when two of three cores are reused?

Elon Musk said that the integration of the Falcon Heavy was "shockingly difficult". I can absolutely believe that. But at the same time, SpaceX is reusing two "flight proven" boosters for the Heavy. ...
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Does the Falcon Heavy also use a helium system?

The Falcon 9 uses a helium system to pressurize the tanks. Does the Heavy first stage also use helium? How big would the explosion be in case of a failure assuming the boosters would go too?
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How can the same upper stage be optimal on a common core booster as well as on a single booster?

Bundling three or five first stage cores together improves the launch capacity a great deal. But Delta, Falcon and Angara are supposed to use the same upper stage in their multiple common core ...
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Does SpaceX plan to repair SLC-40?

SpaceX just used 39A for CRS-10. Do they have any plans to repair SLC-40 from the September anomaly? The Boca Chica launch center should be ready in 2018, so will they solely use 39A and Boca Chica?