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10 votes

What does it take to make a spacecraft able to launch on any out of several different launcher types?

The physical adapter is the easy part. These have standard dimensions. Commercial launch providers were quick to realize it'd be advantageous to offer compatibility. E.g. the Ariane 5 payload fairing ...
Hobbes's user avatar
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6 votes
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Why did SpaceX choose vertical integration for Starship?

There are two separate operations mentioned in the OP: Manufacture of the stages that make up the stack, and Integration of the stack prior to launch. Integration The integration of a 2 stage rocket ...
Level River St's user avatar
6 votes

Why did SpaceX choose vertical integration for Starship?

Vertical integration should allow for quicker reuse, if you can do it right. Bring the landed rocket horizontal, loading it, then vertical takes about 2 hours, which if SpaceX does what they ...
PearsonArtPhoto's user avatar
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6 votes

What does it take to make a spacecraft able to launch on any out of several different launcher types?

In response to the part of the question "Could one design a spacecraft to go with at least three out of these four?" the answer is yes. This is actually quite common for geostationary communications ...
Puffin's user avatar
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6 votes

What does it take to make a spacecraft able to launch on any out of several different launcher types?

Changing launchers late in the development cycle is unusual, but it does happen. For example, the next Cygnus mission (OA-7) has been moved on to an Altas 5 from Antares in order to carry more cargo. ...
Bear's user avatar
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6 votes
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Which ISRO satellite was built in 24 hours?

Pallava Bagla is known to misrepresent or exaggerate things unfortunately and poor English of Chairman and edited out answer makes it a mess further. The spacecraft they are talking about is ...
Ohsin's user avatar
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5 votes
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How does horizontal payload mounting influence satellite design

According to the Falcon 9 Users Guide, section 4.3.1, satellites must be able to withstand a lateral load of +/- 2 g, so the lateral load of 1 g when the rocket is horizontal is still within the ...
oefe's user avatar
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4 votes

How to propagate the orbit of a satellite analytically using Lagrange planetary equations/VOPs and compare them with numerically propagated solution?

In addition to the Lagrange planetary equations, there are lots of other SomeFamousPerson (no derogation intended) planetary equations. Examples include the Gauss planetary equations, the Delaunay ...
David Hammen's user avatar
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4 votes

How to propagate the orbit of a satellite analytically using Lagrange planetary equations/VOPs and compare them with numerically propagated solution?

The question is about orbit-integration problems using Lagrange planetary equations and methods of variation of parameters (VP), especially for (earth-)satellite orbits. It's worth noting first the ...
terry-s's user avatar
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4 votes

Which ISRO satellite was built in 24 hours?

The Indian media has habit of exaggerating and diluting the facts. As can be easily seen, the point where he was clarifying about microsat, the video was cut. He is actually is a great systems ...
zephyr0110's user avatar
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1 vote

Why did SpaceX choose vertical integration for Starship?

Likely the change was because of scale. While a Falcon 9 is not small (230 feet tall and 9 feet wide) in comparison to the Starship/Super Heavy (350 feet tall (final height to be determined) and 30 ...
geoffc's user avatar
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1 vote

What does it take to make a spacecraft able to launch on any out of several different launcher types?

The launcher is chosen early is that once you know what launcher you intend to use, then you can determine how big (in particular how heavy) your satellite can be. That would have a BIG impact on the ...
Eugene Styer's user avatar
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