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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Spacex NASA GOES-U 2024 contract to use Falcon Heavy?

https://www.nasa.gov/press-release/nasa-awards-launch-services-contract-for-goes-u-mission Why would they use Falcon-Heavy instead of Falcon-9 FT for the GOES-U 2024 satellite launch? Falcon-9 FT has ...
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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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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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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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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, ...
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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 ...
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No need for gravity assist with Falcon Heavy?

Elon Musk is quoted to have said, after the launch of Falcon Heavy, that «it can launch things direct to Pluto or beyond, no stop needed, don’t even need gravity assist or anything». Now, I am not an ...
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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 ...
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What do the banana values mean in this tweeted plot of heavy lift vehicle capabilities?

@FreddieR's answer to What are the longest current rocket payload fairings, capable of carrying long space station sections? contains the following graphic. It's attributed to Ken Kirtland and I found ...
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Why does the signal get lost every single time a Falcon 9 booster or Falcon Heavy booster lands on a droneship? [duplicate]

SpaceX reuses the Falcon 9 boosters and they sometimes fly back from space and land on land or sometimes at sea. In the sea landings, they land the booster on a floating drone ship(mainly, Of Course, ...
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What all is included in the contraption around Star Man?

In the streaming video, we can see a mannequin sitting in a car. It is fairly evident there is more to it than that, the cameras are clearly on some sort of supporting arms extending from the car, ...
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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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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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What is this line, what is it called, what is the reason behind it?

I started following SpaceX recently. I used to read the updates but now I am diving deeper to learn new things. SpaceX is fascinating and I really like everything about it. But I have question, I don'...
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What damage/repairs have to be done to the launch pad every time SpaceX launches?

As SpaceX is a company that is very focused on rapid reusability, low-cost operation and a philosophy of "the best part is no part", what repairs have to be done to the towers and general ...
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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?
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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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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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Were/Are the Space Shuttle or the Falcon 9 Dragon capable of achieving an elliptical orbit on whose apogee you'd see the entire Earth?

Was the Space Shuttle and is the Crew Dragon capable of achieving a highly elliptical orbit on whose apogee you could see the entire planet Earth? There will be a touristic flight soon in which an ...
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What is the maximum apogee a Dragon spacecraft can reach?

What is the maximum apogee a Crew Dragon can reach in a highly elliptical orbit (by both the Falcon 9 and the Falcon Heavy)? There is a planned touristic mission in which the current apogee record of ...
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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/...
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What would the challenges be in developing a Falcon Heavy with three or four strap-on boosters?

Falcon Heavy has a standard Falcon 9 Full Thrust (FT) rocket core with two strap-on boosters derived from the Falcon 9 FT first stage. What about a heavier Falcon Heavy with four strap-on boosters (or ...
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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 ...
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How and/or why did Elon Musk mistweet Roadster's C3 so badly?

In this answer to How close would the Tesla Roadster with Starman have to get to Earth in order to become attracted and fall on Earth? I just wrote: When Roadster was launched from Earth Elon Musk ...
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What is this black rod in falcon heavy on both boosters?

There are black rods on both boosters and are connected with each other.One is thicker than other two.What is its purpose?
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Does the low gravity on Moon eliminate the need for a launch pad/flame trench for a reusable rocket launch?

I'm new to rocket science and I learned how the rockets do not reach full thrust immediately and isn't really stable for the initial couple of seconds - hence the need for "launch clamps" and a ...
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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 ...
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Why doesn't Tesla's Roadster melt in space?

Tesla's Roadster is somewhere above us taking sunlight directly part of the time, then very cold on the next half of the orbit. Or when it rolls, one side gets hot, the other is cold. Why don't the ...
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Estimate of how fast will the Starship/Super Heavy be moving 5 and 10 seconds after liftoff?

I am wanting to make a comparison of the expected initial seconds of the ascent of the Starship/Super Heavy compared to the similar time of the Saturn V ascent. If this chart (from a NASA space math ...
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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 ...
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Could a Falcon Heavy really put six GPS Block III satellites in orbit at the same time?

This answer says: GPS Block III satellites are being launched to replace failed or aging Block II satellites, which doesn't require launching more than one at a time. A Falcon Heavy could fill up ...
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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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How is Falcon-Heavy staged?

How are the boosters attached to the core at the aft end? How do they separate?
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Why is the Falcon Heavy center core recovery done at sea?

Why does SpaceX attempt sea recoveries of the Falcon Heavy center core instead of staying at altitude and performing a land based recovery at a different site?
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What does 'Rocket is in self align' mean?

I've noticed during SpaceX streams (this could happen with other LSPs but I've only noticed it with SpaceX) that shortly after the vehicle goes to internal power the controller says "Vehicle is in ...
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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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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 ...
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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. ...
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What missions could be done with Orion on Falcon Heavy?

Orion is being developed in tandem with the SLS. But Falcon Heavy is scheduled to fly earlier, early 2015, and be cheaper. So I wonder what kind of missions Orion could do with FH. Could it for ...
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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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When is the tesla roadster expected to reach mars [duplicate]

I guess "Reach" is a bad term here. When is the Tesla roadster expected to be close enough to mars that it can orbit it normally, just as satellites orbit us. https://www.theverge.com/2018/2/6/...
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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 ...
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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 ...
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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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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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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 ...
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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 ...
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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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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: ...
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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 ...