Kerbal Space Program (KSP) is a sandbox spacecraft simulation game for Mac, Linux or Windows. Players build, launch, and pilot spacecraft and airplanes through a fictional 6 planet star system.

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3answers
6k views

Can I escape Kerbin's gravitational pull?

In Kerbal Space Program, I finally managed to build a rocket that would actually do something other than explode on the launch pad. So far I've been fairly consistent in making it into orbit. Sadly, ...
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1answer
63 views

R&D center is closed in career

I'm playing with the new ARM stuff, and it's nice. But I tried to load up my research center, and it says it's closed. Some Googling quickly showed me that this happens in Sandbox mode. But my save is ...
4
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2answers
131 views

A way to practice certain stages?

I'm wondering if there is a way of practicing different stages of a flight. I am currently trying to land on the Mun and after some hours i just made my first semi successful attempt at it. But most ...
3
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3answers
3k views

How to get SAS working in Kerbal Space Program

I've built a small rocket in KSP. It doesn't do much, but it does make it into orbit just fine. It has a parachute, capsule, decoupler, SAS module, 3x liquid fuel tanks, a liquid fuel engine, and 4 ...
3
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2answers
628 views

When is the orbit of an asteroid determined?

So I've discovered and started tracking a fair number of asteroids in my short time playing the Asteroid Redirect Mission update. Some of them are completely harmless (at least for now), most have a ...
2
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4answers
1k views

Kerbin Stationary Orbit

In Kerbal Space Program, I put up 3 geostationary "GPS" satellites. I spaced them evenly around Kerbin, around 120 degrees apart. They're all at the same (KSO) altitude and within 0.1 m/s speed, but ...
3
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1answer
9k views

How do I activate custom action groups?

I've created an action group to deploy my solar array, but now I'm safely in orbit, I have no idea how to actually do this. What do I need to do?
6
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1answer
144 views

Can you land an asteroid?

I did it. I "docked" with an asteroid using the "Klaw" and changed it's orbit. Now it has a non-escape trajectory. But now I'm wondering... can I de-orbit it and land it safely on Kerbin? If I dock ...
4
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1answer
136 views

Can I get science from asteroids?

Wow, I've just noticed a load of asteroids appearing in KSP's space center. My first thought isn't "What if they hit Kerbin and wipe out the entire Kerbal race?". It's "How much science can I get from ...
5
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1answer
338 views

What Science can I perform on and near Kerbin?

I've decided to try the Career mode in Kerbal Space Program and I've flown a few rockets into orbit around Kerbin and landed them safely again. I've taken some mystery goo into orbit and I've taken ...
0
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1answer
55 views

How to prevent cargo from swinging inside fairings?

I'm using Ferram Aerospace Research to add some realism to drag. But this makes me to use fairings for my payload. Sad thing is, my payload swings. A lot. I tried both KW Rocketry and Procedural ...
17
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3answers
1k views

Can I abandon my Kerbonaut in space?

My little Kerbonaut is currently circling the planet in a stable orbit, and seems to be having a grand ol' time with it. You should see the smile on his face. He's been circling now for what looks ...
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0answers
65 views

Corrupted save file

Something just went wrong with my ksp persistent.sfs (and quicksave.sfs) files. I launched the program like always, loaded everything just fine, made a rocket perfectly ok, then tried to launch and ...
4
votes
2answers
178 views

Getting to Gilly and back

Been trying to get to Gilly (in career mode) to get more science but I can't seem to ever have enough fuel to get back. I don't know if it's because I have too much weight or not enough fuel but no ...
3
votes
1answer
144 views

How do I get back from Eve?

I can now successfully land on Eve using a nuclear engine and several parachutes on my lander. I had originally tested taking off at Kerbin by equipping a pair of solid fuel boosters, but of course ...
1
vote
1answer
2k views

Why are my Kethane tanks not filling?

I've been playing around with the Kethane resource mod, and I believe I've met the requirements to be able to extract Kethane from Mun. I've deployed satellites around Mun, in a rather nice fashion, ...
4
votes
1answer
74 views

ksp: saving number of kerbals in ship

Is there any way to save the number of kerbals along with a ship? I always forget that these get reset and launch with less kerbals than expected only to realize my mistake midlanding somewhere.
0
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1answer
114 views

ksp: lv909 and nuclear engines flaming out?

I launched a ship into orbit around the sun and got to the point that I have to start using my small engines but when I decouple the previous poodle engine, all four of my lv909/nuclear engines die: ...
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1answer
274 views

Reuse mystery goo transmit in career mode and multiple science for same canister

Is there a way to transmit data and not have the object be unusable anymore?
6
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3answers
762 views

How can I deal with the “floppiness” of tall rockets?

I just tried to build a rather tall rocket which also uses several Quad-Couplers to add more engines, and as you can see in the screenshot below this thing is rather floppy and unstable: It also ...
2
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1answer
1k views

In KSP-Interstellar, is there a way to disable a fission reactor?

I've installed KSP-Interstellar and I'm enthusiastic of this beautiful mod, but I'm still far from understanding all of its complex mechanics. One of the problems I'm facing now is the excess of ...
6
votes
2answers
593 views

Controls locking up while in space

I am trying to launch a space probe which involves quite long periods of waiting at times to be able to raise apoapsis maximally. Sometimes during these waits when I try to start up engines again (or ...
4
votes
1answer
571 views

What altitude do I need to be to register as being above a biome?

In KSP, I can do science "from space just above Kerbin's Deserts" or "while flying over Kerbin's Water". At what altitude do I stop "flying over" and start sciencing "from space just above"? At what ...
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5answers
3k views

Can I activate engines on spent stages?

To avoid cluttering my sky with bits of engine and fuel tank, I had the thought to strap some solid fuel boosters to stages pointed retrograde and activate them during staging in order to deorbit ...
2
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4answers
2k views

With KSP Interstellar, how can I tell what my velocity vector will be when I turn off my warp drive?

I've been trying to figure out some stuff with the KSP Interstellar, and my biggest problem is that I don't know how to enter orbit of another planet. When I leave warp, I'm basically left with a ...
4
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2answers
421 views

How to install 2 instances of Kerbal Space Program from Steam, on one computer?

KSP loads slowly. Sometimes very slowly. More parts and addons, slower loading. So I want to have a second instance, with no mods and only some of the stock parts, to quickly test things. I bought my ...
4
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1answer
158 views

How can I kill Kerbals? From what drop height can they not survive?

What are all the ways a Kerbal in KSP might die? I know that they always wear space suits, so they (seemingly) can't suffocate. Side Question: How far must a Kerbal fall to die?
4
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3answers
2k views

How does the career mode change when you have unlocked the entire tech tree?

I've nearly unlocked all the science tech tree. How does the game change after that? Specifically, is there any reason for more science when I've unlocked everything? I've unlocked pretty much ...
5
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1answer
2k views

Editing Kerbal Space Program save files for KSO

Currently I've got a communications satellite in almost geosynchronous orbit around Kerbin. Unfortunately, it is not where I want it (I'd like it to be over the space center) and the orbit is off by ...
5
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3answers
3k views

How would one undo loading a quicksave in Kerbal Space Program?

I just reverted to a quicksave in KSP, but I had forgotten that I had not actually made a quicksave during this mission (or in the last few missions), and thus hours of work were deleted. Is there ...
7
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1answer
2k views

Do I definitely lose science when transmitting reports by antenna?

In the latest patch (0.22), which introduces career mode, we can do science. Then the way to recover the data collected is either sending it by antenna, or landing the ship back on Kerbin to retrieve ...
4
votes
2answers
528 views

Stabilizing your craft in orbit

Is there a hot-key, trick or maneuvering technique to stabilize your craft in orbit so it does not roll, pitch and yaw relative to the planet it is orbiting? I'd like to get my first station part up ...
3
votes
1answer
73 views

Do I have to land ships that contains parts I will not have access to, before updating addon?

I'm playing career mode. I have 2 mini-stations at Mun and Minmus. But they contains parts from an add-on that did not have any technology tree entries and I added them as I felt right. Now there is ...
6
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1answer
292 views

Kraken ate Jebediah - any way to resurrect him?

I landed on Minmus. Some parts exploded, but that's only to be expected, it's Kerbal Space Program after all. I got Jebediah EVA to take some samples, and Hell Kraken ate him. Screen got blank, ...
0
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2answers
271 views

KSP Lag when above Kerbin

I'm getting some heavy lag when flying over kerbin (or on the surface) sometimes. Still have not figured out any pattern. It does not happen as soon as I move above the ocean. Changing settings.cfg ...
4
votes
1answer
382 views

How to build a water lander that can move?

I've build several landers that can safely splash down in water (on moons like Laythe, for instance). However, they cannot move around. The lander is basically a standard rover, with a lot of RCS. ...
3
votes
2answers
214 views

How to make sure directions on navball correspond to directions I see my ship flying?

When I land on celestial body without atmosphere, I can't count on drag to nullify my horizontal velocity. So I need to use translation RCS for the final 3-5 m/s I can't nullify with manoeuvres. But I ...
5
votes
4answers
299 views

how to keep a kerbal on the command module

How do I keep a Kerbal on the command module? I can barely get in orbit be for I run out of fuel and I need more science to get farther, but I can't without an EVA report and a review report for it, ...
2
votes
1answer
775 views

Do I need to bring my scientific instruments back from the Mun?

I'm doing science (career mode), and I plan to send a manned spacecraft to the Mun. It'll have some basic science instruments on it -- SC-9001 Science Jr, Mystery Goo, etc. Assuming that I don't want ...
2
votes
1answer
937 views

How to get kerbals out of Mobile Processing Lab MPL-LG-2?

I have a space station on Duna orbit, equipped with Mobile Processing Lab MPL-LG-2. I plan to decommission it and bring my kerbals back (or move them to the new station). But I have no idea how to ...
5
votes
3answers
567 views

Focus current craft on orbit map

I lost focus of my craft on the orbit map and I'm flying far away from any celestial bodies that I can focus. I have to plan a maneuver but a single pixel on my current flight path represents a couple ...
0
votes
1answer
172 views

Turning too fast makes me lose control

I am building a Space plane. Its very simple, I have a completely symmetrical design with the center of lift near the edge of the center of mass sphere (so behind but not WAY behind). The problem I'm ...
13
votes
1answer
3k views

Which communication method is most efficient?

I'm playing Kerbal Space Program 0.22 and I've just unlocked the Comms DTS M1. It looks better than the Communotron 16 but is it more efficient? Specifically is the throughput or electricity use ...
3
votes
1answer
294 views

Combine two saved rockets in KSP Mac

In Kerbal Space Program on the Mac, is there any way to load two saved rockets into one workspace in the Assembly Building? For example, I want to load the Heavy Orbiter with the Kerbal X in order to ...
0
votes
1answer
196 views

Can I move my Kerbals inside a pod?

How can I move my Kerbals inside the Lander-can, Hitchhiker, or Command pod? If it isn't possible by default, is there a mod allowing me to do that?
1
vote
1answer
319 views

Left shift doesn't work in KSP or other Unity games

I've got an issue in several different unity games: the LeftShift key doesn't recognize, nor does RightShift. Every other key works fine, and LeftShift works in other games and outside of Kerbal. ...
2
votes
1answer
426 views

How to produce an EVA report

I'm in carreer mode, I've finally managed to reach the orbit, I see the EVA button, but when I'm outside the only thing I can do is to climb the ladder up and down and eventually get lost in space :) ...
8
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2answers
9k views

How Do I Use Docking Clamps?

I've built the following ship, which is capable of taking me to the Mun. However, with some careful piloting, I can make it into a stable Mun orbit with a bunch of fuel still left in the ...
7
votes
2answers
11k views

Can I transfer Kerbonauts from a capsule to Hitchhiker Storage Container without taking an EVA?

I've been constructing a space station, and up to this point, I've been using autonomous launch vehicles to put unmanned sections into orbit. But now it's time to have a permanent presence in orbit. ...
3
votes
2answers
2k views

My spacecraft was built backwards; gimbal always lies

I put a probe into orbit and is now on a Kerbin escape path, but it has a really annoying quirk; the engines are mounted to the "top" of the probe so the gimbal always seems flipped 180°. In order to ...