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Questions tagged [payload]

Questions regarding equipment or other material to be transported during space exploration.

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Has anything like the Luna 2 “Flag Grenade” been done since?

I read this week's XKCD and learned a fun new fact about the first contact with the moon. A replica of the ball that they mention in the comic is shown below: Gratis the wiki page on Luna 2. Source ...
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1answer
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Could OneWeb's satellites be launched on Electron rockets?

OneWeb's satellites weigh about 150 kg each, which is within the range of the Electron rocket. However I am not sure about the target orbit(s). Technically speaking, could OneWeb launch its satellite ...
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Ariane 4 Random Vibration

In the plot above, taken from space craft system engineering book, chapter 2. This is the plot showing the random vibration power spectrum of Ariane 4. The unit is $g^2/Hz$, I understand how the ...
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1answer
106 views

What licenses do you need to launch a rocket and put something into orbit? [duplicate]

Do you need a licence to build, and fly a rocket (mainly flying)? Can you build any type of rocket and fly it anywhere at any time? Are there regulations on what you can take to space?
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Parasite Satellite

With computers and technology becoming lighter and is also effected by drag. Could a small satellite that lacks certain systems be designed to utilize an existing satellites systems like radio, solar ...
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1answer
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help understanding this complicated structure that will deploy HySIS

This ISRO page for the HysYS spacecraft says: HysIS, the primary satellite of PSLV-C43 mission, weighing about 380 kg, is an earth observation satellite configured around ISRO’s Mini Satellite-2 (...
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How do I calculate the Characteristic Energy for a rocket to Near Rectilinear Halo Orbit where the Deep Space Gateway is gonna orbit moon?

How do I calculate the Characteristic Energy for a rocket to Near Rectilinear Halo Orbit (NRHO) where the LOP-G or the Deep Space Gateway is going to be orbiting the moon? Or if someone already has a ...
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8answers
5k views

How would a long pole be transported to space?

Can a long pole or a set of poles be strapped to the out side of a rocket (like a bottle rocket)or on the nose as an external payload without interfering with the aerodynamics of the rocket? How would ...
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1answer
89 views

Solar Sail Payloads

Seeing as solar panels have become more compact, reliable and sturdy; could we potentially build a collapsible solar-sail to "tow" things out of our solar system? I've seen a lot of questions tackling ...
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1answer
137 views

How to identify loads for a Payload Adapter System during Rocket Launch?

Good afternoon, A classmate and me are doing a project for university in which I have to perform several structural analysis of the Payload Adaptar System 937C from Ariane V (picture shown). The ...
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2answers
332 views

What size payloads could we feasibly launch from the moon with a mass driver?

I've been wondering how large a payload could be launched & if it's viable to launch those payloads directly to the earth for splashdown & collection. Obviously the payload would need to be ...
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2answers
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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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469 views

Where are all those blocks of steel and concrete now?

According to the Wikipedia article about Elon Musk's Tesla Roadster now in Heliocentric orbit: Traditionally, concrete or steel blocks are used as ballast in risky test flights. SpaceX wanted to ...
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1answer
277 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 -...
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1answer
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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, ...
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2answers
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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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1answer
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How does horizontal payload mounting influence satellite design

Payloads have to withstand forces of several G, but those forces point backwards toward the rocket engines (or close to). Also, while the launcher is in the pad the satellite is subject to 1G, but ...
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Can the Falcon Heavy handle deep space missions?

Can the Falcon Heavy rocket handle sending payloads past Jupiter like the Atlas V?
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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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8answers
12k views

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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2answers
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What was the outcome of the launch of ZUMA by SpaceX, to the best of the public's knowledge?

Now, I realise this question is inherently unanswerable due to the classified nature of the mission, and speculation is also not desirable, but that's okay — because we can at least assemble official ...
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What secondary payloads, if any, are launching on the inaugural fight 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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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
379 views

Was the Space Shuttle the most efficient orbital launcher, based on the launch/LEO mass ratio?

It seems that the mass of the Space Shuttle at launch was around 2,000 tons, and it could deliver a total payload of around 122 tons to LEO. This would give it a launch/LEO mass ratio of around 16.4. ...
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How did the Apollo engineers decide what to include in their cargo? [closed]

The Apollo missions, like all missions really, were limited in what they could bring into space. How did they decide what would make the trip? Were there any tests or failures that they learned from?
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When have secondary payloads damaged the primary payload of a launcher?

Primary payload customers have traditionally been cautious when allowing secondary payloads on the same launcher. For example, a secondary payload is not trusted to have its own chemical propulsion ...
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Why isn't the JWST mirror bigger?

What's behind the choice of not designing the largest possible folding mirror for the James Webb space telescope, since something like a 13m diameter mirror could also fit in Ariane's fairing?
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1answer
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Using large orbital launchers as sounding rockets. What are the opportunities and challenges?

Instead of launching a payload to orbit, consider one of the big launchers of today (like Atlas V, Ariane 5, Falcon 9, Proton) being used as a sounding rocket for astronomical observation purposes. ...
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4answers
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What does it take to make a spacecraft able to launch on any out of several different launcher types?

Choice of launcher seems to be an early decision in the design of spacecrafts. There would be an advantage to having the option to easily change launcher, especially for an interplanetary mission with ...
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3answers
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How could we make a fair comparison between space rockets regarding their payload mass in low Earth orbit and Earth escaping?

I was searching for comparisons between space rockets regarding their payload mass in low Earth orbit and Earth escaping. First one to see capability of the space booster (the first stages) and second ...
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1answer
330 views

Delta IV Heavy trans-lunar injection mass

What is the mass capacity for the Delta IV Heavy for a trans-lunar injection? Or is there a way to take its capacity to GEO or LEO and substitute it into a formula which would bring the approximate ...
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1answer
1k views

How can the 6.5 m primary mirror of the JWST fit inside the 5.4 m fairing of Ariane 5?

All the variants of the payload fairing for Ariane 5 are 5.4 meters in diameter, the same as the core stage of the rocket. At the same time, the mirror of the James Webb Space Telescope is 6.5 meters. ...
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Why was the payload placed on the rocket for a test? [duplicate]

The payload for the Falcon 9, the Amos 6 satellite, was placed on top of the rocket during the static fire test. Why was this done?
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What is the latest GSO capacity for the Russian heavy launch-vehicle Proton-M?

Proton started with Proton-K (Proton-Zond) to Proton-M and has now grown to major phases 1-4 and enhanced Block-Dm and Briz-M. What is the latest geostationary orbit (GSO) capacity? I could not find ...
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Why is there no common “docking” interface for express rack payloads?

It seems strange to me that given all of the concerns about living space and color palette aboard ISS, the data/power/cooling ports for different mid-deck locker equivalent (MLE) express rack payloads ...
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What payload was expected for the 2018 Mars Dragon flight (“Red Dragon”)

SpaceX has long been planning to use Dragon capsules to carry objects anywhere in the Solar System. They have officially announced a 2018 launch to Mars. Specifically, the launch window is April-May ...
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1answer
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Why is the Dragon small compared with the Falcon 9 LEO payload

According to wikipedia, the Falcon 9 1.0 had ca. 10t payload capacity to LEO. The Dragon has a 3.3t payload capacity to the ISS with a dry mass of 4.2t that leaves 2.5t unused lift capacity. Is this ...
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380 views

What would have been the absolute maximum LEO payload of a two-stage Saturn V?

I read about the Skylab 1 mission in which SA-513 was used to lob the Skylab OWS into orbit. One source (http://forum.nasaspaceflight.com/index.php?topic=12519.20) gave some payload masses: Total ...
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712 views

Would the Saturn V have been able to send more mass to TLI if it had a lower earth parking orbit?

After reading into the topic a little, I've come across a number of increases to the Saturn V's LEO and TLI performance over the course of the Apollo program. Early moon missions sent between 133t and ...
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1answer
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Since NASA's InSight Lander's launch has been delayed by two years, are there any plans to edit its payload?

A few days ago, NASA announced that, due to a vacuum leak in one of the instruments, they would have to delay InSight's launch for about two years. This is longer than it would take to fix the ...
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How much bigger could Earth be, before rockets would't work?

hint: Apparently the Tsiolkovsky rocket equation does not actually say that you can launch a conventional rocket into orbit around an arbitrarily large and massive body. Question: "How much bigger ...
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3answers
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What's the largest single object payload ever lifted into space?

I am aware that the Saturn V is the largest rocket ever built and was capable of lifting more weight into space than anything that exists today. Modern rockets often carry several satellites up at ...
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1answer
765 views

Space rocket payload by inclination

I know that near the equator where the inclination is 0° it is easier to put payloads to low earth orbit because of the advantage of rotation speed of earth which saves more fuel. Saving more fuel ...
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2answers
2k views

How much mass could the Saturn V rockets have landed on the Moon if nothing was coming back?

What dry mass could have soft-landed on the Moon if a Saturn V had been reconfigured to launch a robotic mission going entirely to the surface? Obviously, that wasn't possible at the time, but for a ...
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Compressible foam in space

I've started looking into the use of compressible foams used in space (specially in approximately 500 km SS orbit). I've tried to find some form of heritage or proof of concept missions that have used ...
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Will or could the Parker Solar Probe do science at Venus?

Solar Probe Plus will flyby Venus 7 times(!) during 6 years in order to enter its "low" Solar orbit. Will it carry any instrument useful for studying Venus, for example seasonal changes? Would its ...
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1answer
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Is New Horizons capable of making natural color photos?

As far as I know, LORRI is panchromatic (black-and-white) and Ralph has red, blue and two infrared filters but no green filter. As such, I wonder whether New Horizons is capable of making natural ...
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How much payload could a manned Dragon return, if unmanned?

The first mission to the ISS by Dragonrider (and CST-100) is expected to be unmanned. That means when it returns, it will have ability to return a full cargo load. Of course, ISS payloads are often ...
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1answer
227 views

How much payload, could a Soyuz return, without crew?

With the sad demise of the US Space Transportation System (Colloquially known as the "Space Shuttle") return of payload from orbit is very limited. Currently the SpaceX Dragon can return the most ...