Kerbal Space Program (KSP) is a spacecraft simulation game for Mac, Linux or Windows. Players build, launch, and pilot spacecraft and airplanes through a fictional 7 planet star system.

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Why does KSP keep crashing from access violations?

Whenever I'm playing KSP 0.90, the game seems to crashes routinely about every 30-45 minutes, and whenever I look in the crash logs, it's always the same reason. The game usually crashes when I'm ...
2
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1answer
72 views

Why is the clock frozen?

When I'm in the space center, the little box with the time in it just reads Year-232, Day-161--3h,-14m. Why is this? Is there some sort of maxint that the developers implemented?
4
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1answer
997 views

Help me blow up a space station

I'd like to create a scenario where there is space station debris scattered in an area within a 0.5km radius for at least an in-game hour or so. The space station is has one center structural part, ...
11
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1answer
212 views

Does the science bonus of multiple scientists stack?

A kerbal of the Scientist class who gained a few levels gives you a percentual bonus to all science collected by the vessel he is on. What happens when you have multiple scientists on board? Do their ...
1
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1answer
45 views

No option to decouple

I have built a small sub-assembly with a small docking port. I have also added a small docking port to my rocket. During construction in the VAB the ports never snap together but I am able to align ...
0
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2answers
61 views

Does KSP model friction?

I'm currently try to land a kerbal without a spacecraft on gilly, but I just keep sliding around. Is this an effect of the low gravity, or the fact that there is no friction?
2
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1answer
28 views

Why is the load button unclickable?

Whenever I go into a VAB and try to load a craft, the load button is unresponsive. All other buttons work except for load. Loading crafts that came with mods from clicking on the runway doesn't work ...
2
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2answers
74 views

Kerbal Space Program - Can I transfer Parts to another in-orbit vessel?

I have a few satellites and stations orbiting my planets, but I'd like to add onto them. I've seen numerous videos on using docking clamps to attach my new ship to the existing station, but can I do ...
8
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2answers
145 views

How do you level up a kerbal?

How do you level up a kerbal in kerbal space program? I have a kerbal with one star, but I don't really know how I got him to one star...
0
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0answers
57 views

What is craft unloading and how should it be handled?

What is craft "unloading" due to being farther that the "physics distance" from the "main craft"? What is the best way to deal with it? Can it be avoided? I only find very sparse information on these ...
3
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1answer
81 views

Can I play Kerbal without Steam?

A recent hot question, brought my attention to this site and the Kerbal space program. It looks like I would enjoy it, and there is a free demo but when I look at the purchase link it lists a "Buy ...
23
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2answers
2k views

How can I get a pod back from orbit when it's out of fuel?

What's the best way to return a Kerbal back to Kerbin if they're in orbit around Kerbin. I have my best pilot, Jebediah, stuck in orbit without fuel. I'm quite fond of him so I would like to mount a ...
4
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1answer
178 views

When using Deadly Re-entry, how can I add heat shielding to unshielded parts?

I've designed a SSTO shuttle using mostly B9 Aerospace parts that flies pretty well with Ferram Aerospace Research. The only problem being that it doesn't really like to slow down that much, and ...
0
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1answer
30 views

Where do I put the contents of the source folder with the b9 aerospace pack?

I've downloaded the B9 Aerospace Pack, and I've put everything where it needs to go, except for the contents of the folder named source. Where do I put the contents of this folder in my KSP directory? ...
3
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1answer
81 views

2HOT Thermometer “in flight above 7,300 meters” at Minmus?

I have been given a mission to "Measure the temperature in flight above 7,300 meters near Gene's Deposit". I flew to Gene's Deposit on Minmus, put myself on a suborbital trajectory, and attempted to ...
2
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1answer
44 views

How to use action gruopings in ksp 0.90

I have a rocket and whenever i launch it the parachute automatically deploys and i cant stop it from doing that. Help please?
2
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1answer
1k views

Can I salvage my KSP career with a single launch

My KSP career has stagnated. I can't get enough income from contracts to cover my launch costs. My per launch costs to LKO and back are 20-30k depending on payload size. Is there any way to get income ...
0
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1answer
42 views

Why can I not click on any buildings except the astronaut complex?

I have a really good save file, it's in sandbox mode, but I have lots of things in it, and recently it became unusable. Every time I loaded it up, I couldn't click on any facilities except for the ...
3
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3answers
125 views

How do I make sure radially-mounted stages don't collide with the craft when they're decoupled?

Many interplanetary launch platforms tend to require radially-mounted stages, especially for the atmospheric portion of their flight. However, I've found that a lot of these configurations have a ...
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2answers
2k views

Lag is ruining KSP - any ways to improve performance?

I've been to the Mun countless times and at one point had 3 bases, 6 landers, and 8 rovers operating there. I've sucked all of the science points out of Kerbin, the Mun and Minmus. I got rid of all ...
1
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1answer
113 views

How do I recruit more pilots?

I kind of.... killed all my pilots in carrer mode in .90, so can someone tell me how to get more? Also i have a whole bunch of scientists and engineers if converting the traits of them is possible. ...
2
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0answers
50 views

Is there a way to measure the structural strength of a connection?

I'm designing a very large spacecraft, and I'd like to attach an arm to the spacecraft. Is there a way to measure just how strong the attachment is? In engineering terms, this arm is a cantilever ...
0
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1answer
71 views

Which parts panel contains control surfaces?

The title is pretty self-explanatory. I'm just trying to make a plane in sandbox mode, and I can't find control surfaces. Thanks!
2
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2answers
180 views

How to tell scientist from pilot from engineer?

I know that when you pick kerbals for a mission it tells you what their role is, but I didn't even pay attention to who was placed on my ships when I launched, and now I have a space station with 5 ...
6
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1answer
6k 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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2answers
88 views

Rasterpropmonitor for Kerbal Space Program

Hello people I am a player of the PC game kerbal space program. I don't use many mods so I am unfamiliar with the process. I have download the rasterpropmonitor.zip, uncompressed it with 7-zip then ...
5
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1answer
243 views

What do all these difficulty options mean?

I'm getting ready to start a career game of Kerbal Space Program, but I don't understand what some of these options are. In particular, what is the effect of: Allow Quickloading Auto-Hire ...
1
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2answers
379 views

How to intercept an asteroid in Kerbal Space Program?

I'm an experienced player with more landings on the Mun, Minmus, and Duna than I can count. I've built 2 successful space stations, and rendezvous and docking (which is something I was convinced I'd ...
2
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1answer
98 views

Testing an Eve launcher on Kerbin

I'd like to launch a rocket from the surface of Eve. From what I've read, Eve is significantly harder to launch from than Kerbin. How can I test my Eve launcher design on Kerbin to see that it has ...
4
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2answers
326 views

What are the altitudes for the various altitude record contracts?

In career mode, you have the option of taking on a number of altitude record contracts, which are simply to get a rocket to a given altitude. However they're presented one at a time, and if you pass ...
1
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0answers
73 views

When is the size and shape of an asteroid determined?

While I was working on an asteroid capture mission, I reverted and retried the launch of my craft many times. I noticed that the mass of the asteroid seemed to be different each time I got to it. It ...
10
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4answers
12k views

Which facility upgrade unlocks maneuver nodes in KSP

Which facility upgrade unlocks maneuver nodes in career mode in KSP? The beta announcement hints that maneuver nodes are now unlocked with a facility upgrade: Are there any perks for upgrading? ...
20
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8answers
6k views

How do I clean up this space-town?

After having some successful and (primarily) not-so-successful rendezvous in space, the area around my nascent space-base is full of detritus. Ending the missions responsible for littering didn't ...
4
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2answers
3k 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 ...
9
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3answers
10k views

How do I bring back lost Kerbals?

I did a bad thing - I shot Jebediah at Kerbin at 20,000m/s. The chute didn't even slow him down and he impacted at Mach 4. He's now listed as MIA under the Lost tab. How do I bring him back to life? ...
7
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4answers
1k views

Find location when flying a lander in KSP

How can you find a location when flying a lander in KSP? I have a contract to collect soil samples from specific zones on Minmus. The locations are shown with pink sample bags in the orbit map, but ...
4
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1answer
662 views

How can one switch between symmetry modes in space plane hangar?

I don't know what I did, normally the Space Plane Hangar (SPH) uses mirror symmetry - meaning if you place two horizontal stabilizers they will both be on the top of the vessel. And the Vehicle ...
1
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2answers
108 views

Keep Mission Flag but edit Kerbal Flag?

I'm trying to recreate the Apollo 11 mission once more... (0.90 update stuffed up my save) But this time I want to do it a little differently... You can choose your save files flag by going to the ...
3
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1answer
352 views

Does “stupidity” and “courage” affect the performance of kerbonauts?

With the latest patch Kerbonauts can gain skill as Pilots, Engineers, and Scientists. Besides that they only have the two distinguishing traits Stupidity and Courage. Apparently the latter two affect ...
8
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2answers
4k views

What do the colors of the Reputation Bar in Kerbal Space Program mean?

In the Career Mode for Kerbal Space Program there is now a reputation bar, that in many screen shots looks yellow-green or green. Mine is green with some blue and then some stripped blue. I've ...
4
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2answers
192 views

My kerbal detached from my spacecraft and is floating away?

I finally got into orbit and I let my kerbal out for a second. Now he's floating away. Is there a way to get him back?
3
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1answer
2k 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 :) ...
3
votes
3answers
201 views

Same rocket, different payload?

I'd like to design lifting rockets independently from the ships they launch into space. Basically, I'd like two design two different orbiters (we'll call them Apollo and Mercury) that can be launched ...
5
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2answers
2k views

Do I get a refund for parts that land on rails?

In the career mode, we have to take care about cash now. It means we need to reclaim as much as feasible. I fly high, it's easy. But it also means that when I jettison unneeded parts, they soon get ...
11
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6answers
7k 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, ...
11
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2answers
14k views

How to satisfy a contract in Kerbal Space Program?

I've been flying a few contracts now that the contracts update has been released. I notice in my contract bar that all of the checkmarks for a contract are green, however I am not awarded the ...
3
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1answer
233 views

What's the mechanic behind building destruction?

Since version 0.25, the buildings of the space center can be destroyed by flying vessels into them. What exactly are the mechanics behind building destruction? Do buildings have a hidden impact ...
4
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1answer
3k views

Get SAS working on a probe in KSP 0.90?

In KSP 0.90 (beta), command pods only provide SAS when a pilot is onboard. A probe command pod like the Stayputnik doesn't have a pilot aboard. I tried adding an SAS module to my Stayputnik probes, ...
1
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1answer
466 views

Transferring fuel between tanks on KSP for Mac

I'm trying to transfer LiquidFuel and Oxidizer between a pair of tanks in KSP on my mac. I've previously done this on Windows and Linux machines by Alt+right clicking on each of the two tanks, and ...
3
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1answer
348 views

Recover launch stages in KSP

How can I recover the pre-orbital stages of a spaceship in Kerbal Space Program? I'm trying to reduce my per-launch costs in the beginning of career mode. I tried building my spaceship with radial ...