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 8 planet star system.

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KSP Flight Menu won't appear(64X windows 8)

Yeah, it was working a while ago, but ever since my dad decided to install 7 DIFFERENT anti viruses. Normally, pressing esc while in flight or doing a science report replies with a menu appearing. ...
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2answers
51 views

Can't control small probe launch

I've got a very small probe rocket that I'm looking to launch to harvest a bunch of "Return science from X location" contracts- in this case, Kerbin orbit. However, when I try to launch the probe, ...
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2answers
29 views

What role does terminal velocity play in a rocket launch?

The section about terminal velocity on the KSP wiki says that terminal velocity "represents the speed at which a ship should be traveling upward during a fuel-optimal ascent." It also has a table of ...
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114 views

Kerbal Space Program: Getting the SRB-KD25k “Kickback” to orbit?

In KSP, I have a contract to test the Kickback SRB in orbit. That seems impossible to me, how do I get a huge SRB like that into orbit? Remember, I can't light it up until it's in orbit or the ...
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1answer
48 views

Tech research disappearing from tree

I noticed when I went into my tech tree, that there were several blank (unresearched) techs, most of which I know I already bought, including one of the first two you ever unlock. I'm finding myself ...
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2answers
59 views

Docking: RCS translation with joystick

I'm having a problem with my joystick setup for RCS translation. What I expected to happen: In linear docking mode, I'd expect the joystick inputs to trigger translation only. What actually happens: ...
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1answer
243 views

My rockets lose stability when trying to launch

I've been playing KSP since about 0.22. I've been having a bunch of problems since 1.0 though, where I cannot even get into orbit. The major issue is that with every rocket design, when it comes to ...
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38 views

The kerbal space program auto hire option help

I believe that the auto hire option when the light is on then crew should be auto hired and when it's off they should not be auto hired if this is correct then there is something causing this option ...
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1answer
276 views

What does the engine precooler do?

In 1.0 there is a new part, the engine precooler. The description says, it "improves jet performance" but not how or by what amount. According to the stats it appears to be just a combined intake ...
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103 views

How NOT to launch my Mac mini into orbit?

When running KSP, even while I'm still on the ground in Mission Control or the VAB, my mid-2011 Mac mini (2.3 GHz Intel Core i5, 8 GB RAM, Intel HD Graphics 3000 with 512 MB) appears to make serious ...
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1answer
687 views

How can I make KSP run at half-speed?

In one of Scott Manley's videos (Interstellar Quest I think), I heard him say that he was running the physics of Kerbal Space Program at half-speed so his computer could handle it. He then doubled the ...
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1answer
112 views

How does the Laboratory work?

How does the Mobile Processing Lab work? There's a "Start Research" option, but it doesn't do anything...
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105 views

Flight path for SSTO

Is there an optimal altitude profile for an SSTO spaceplane? I'm guessing it might depend on the mass and lift profiles, but I'm looking for a general outline, if possible. By altitude profile, I'm ...
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1answer
72 views

Do I need to bring the laboratory back to Kerbin?

The related question talks about bringing experiments back from space. This can be done without penalties if a scientist "removes" the data from given device and stores it in a command module, then ...
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2answers
131 views

KSP: How to move parts closer/farther in the editor?

The VAB/SPH editor interface frustrates me to no end. I just can't figure out the most fundamental control of moving a part closer/farther from the camera. Yesterday I nearly lost a half-built large ...
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235 views

What's the air intake parts air drag in KSP past 1.0?

I've been considering increasing efficiency of my early launch stages by adding jet engines. I found an old thread discussing the idea, and one post struck me as "make-or-break" of my idea: IMO, ...
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1answer
135 views

Why did my Kerbal die?

I made a tug with the Klaw to rescue Valentina Kerman, who I had stranded in an orbit of the Mun, and bring her back to Kerbin. During reentry, I set the tug's parachutes to fire at a high pressure, ...
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1answer
736 views

Why does my hoverpad flip over?

I tried building a "pad" that would allow my Kerbals to fly around at moderate altitudes, hovering in the air; something like a quadcopter, just with jet engines. I made sure the center of thrust ...
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1answer
177 views

Which parts can act as ailerons, elevators and rudders?

I read the tutorial on building planes in KSP, absorbed the knowledge on ailerons, elevators and rudders, then eagerly set off to build one, purchasing the 'aviation' research. And then I got stuck. ...
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3answers
244 views

How can I make money in the new career mode?

I know, there are tons of people and questions about the new career mode, mostly the tight money system. Most of these posts are answered with "Farm the 'test x while landed on Kerbin' missions, ???, ...
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1answer
46 views

Where do add-ons have to be placed?

I use the Steam version of Kerbal Space Program and I don't know where add-ons have to be installed. The answer may be easy to find but this question hasn't be asked here yet.
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1answer
371 views

Is asparagus staging still the most efficient method of staging?

When I used to play a ton, I remember reading and hearing that the dry mass of fuel tanks in KSP is unrealisticly high, resulting in asparagus staging being more efficient than sequential staging by a ...
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1answer
277 views

How do I toggle the planetary scan overlays?

I put a satellite in polar orbit and used the big scanner to scan the planet (technically a moon) for ore. Now I have a green overlay on the planet making it difficult to determine landing ...
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1answer
221 views

How to add decoupler to Staging List?

I'm having a problem with Kerbal Space Program where decouplers are not appearing in the staging list. Instead they are just to the left of the staging list. I can click them and drag them but they ...
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1answer
427 views

Do you need a heat shield to land on Duna?

The title says it all. A big heavy heat shield will mean a whole lot of wasted delta-v if it's not required to re-enter on Duna. With Duna's low gravity and hence low orbital speed, combined with ...
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1answer
242 views

How to land accurately with a plane?

I've created a basic sub-orbital plane in KSP, it flies well enough. On landing, I always cut the engines, then go into a glide from ~6km up then end up overshooting the runway or landing to it's ...
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2answers
109 views

How do I space out satellites evenly in an orbit?

I'm playing career mode with RemoteTech. A major task I'm facing is deploying a network of communication satellites in keostationary orbit. As I understand it, three spaced out evenly across the orbit ...
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187 views

How can I navigate on Kerbin?

I've seen a number of contracts for "conduct a survey near X at Y altitude". How do I find point X in relation to the space center? It doesn't look like the space center is marked on the planet, so ...
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1k views

How does the temperature overlay work?

I've read about the temperature overlay in Kerbal Space Program here. And I've seen it, but how does it work? When I turned it on f11, everything was red, which seems bad. I've seen the temperature ...
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4answers
2k views

Build a plane or rocket for Kerbal high altitudes

I currently have a contract where I'm asked to take crew reports at certain spots on Kerbal at an altitude of 18,000m. However, I've failed to build a vehicle to achieve this (without a hundred ...
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1answer
384 views

How fast should I be going through Kerbin's atmosphere during launch?

I'm playing Kerbal Space Program on Career mode. I'm doing a lot of space tourism to build up funds and science. My current six-tourist design uses a three stage rocket with seven BACC boosters in ...
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1answer
2k views

My ship is exploding on entry, what do I do?

My ship consists of a pod with a parachute on top and a science lab at the bottom. Now with the new update for KSP, my ship burns and my parachute gets destroyed when entering Kerbin. How do I stop my ...
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1answer
1k views

How do I add a tourist to a vessel in KSP

I'm trying to do the tourist flight contracts in KSP, but can't figure out where I can find the tourist kerbals to add them to my vessel?
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152 views

The game pauses but the menu doesn't appear?

Usually, when you hit escape during a mission, the game pauses and the menu pops up. I've just come back to playing KSP after about a year long break, and I'm encountering a bug that is pretty much ...
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8k views

How do you tell if re-entry will destroy your ship?

Kerbal Space Program 1.0 is finally out. The big change is re-entry disintegration. It's a problem for me. My first few flights escaped atmosphere without a heat shield and reentered just fine. But ...
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1answer
90 views

Lock up in space plane hangar issue

When im in the hangar for space planes and have finished creating a plane, I go and press the launch button and the game locks off all of the buttons but still lets me interact with certain parts of ...
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1answer
1k views

Do I have to buy Kerbal Space Program 1.0 even if I already purchased KSP before the update?

I want to download KSP 1.0, but it says I have to purchase it. I have already purchased KSP before the update.
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2answers
64 views

Where are the game files for DMP mod so I can put them on my second machine as well

I've got two computers and I'd like to move the game files from my one computer to my other so I can play under the same multiplayer account using the DMP mod. Can anyone point me to which files I ...
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3answers
643 views

Why all of a sudden my KsP Launcher Stoped loading

When I fire up KSP, the launcher will say "Looking for updates" rather than play or options, and the background will be a big red question mark rather than the Kerbal X Space craft. It worked just ...
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1answer
1k views

Does ksp auto-update?

According to the [dev team's blog]( http://kerbaldevteam.tumblr.com/), KSP, 1.0 is 7 days from launch, and I was wondering, does the game itself auto-update, or do I have to ...
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4answers
370 views

How do I restart probes that have lost power?

It seems that some probes (maybe all) switch off permanently after they lose power. I've got a nice probe (with reaction wheels) that is just dead in space. Is there a way to restart them?
2
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1answer
200 views

Why can't I move my unmanned rocket?

I have an unmanned rocket in Kerbal Space Program. I have batteries and solar panels and I am clearly not out of electricity. I still can't control my rocket at all though. Why can't I control the ...
5
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2answers
651 views

Is there any way to repair a broken ship in kerbal space program

I was learning how to use the Eva jet packs when my kerbal (i hate dandard) flew into the solar panel and chopped it clean off. Is there any way to recover the broken part and reattach it without ...
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204 views

Does Near Future Propulsion (KSP mod) get easier late game?

After playing Kerbal Space Program way too much. I added the mod "Near Future Propulsion" along with the axillary near future mods. But now, mid-career it looks like the nuclear engine (everyone's ...
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2answers
1k views

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 ...
4
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1answer
1k 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, ...
2
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1answer
127 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 ...
2
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1answer
84 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 ...
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2answers
156 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?
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2answers
700 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 ...