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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Cause of broken lander legs on my rover? Kerbal Space Program

I made a rover for drilling, containing both wheels and landing struts (for support while drilling.) At first it worked fine, but as I was playing around with various wheels and configurations, I ...
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Is Terminal Velocity important in KSP 1.0+?

Related: Terminal velocity table for KSP v1.0 and later? I like to build big fast rockets. I always get wind and heating effects on my way up. Prior to version 1, that was incredibly inefficient ...
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88 views

Terminal velocity table for KSP v1.0 and later?

The KSP wiki presents an interesting table of terminal velocity in Kerbal's atmosphere preceded by an useful advice: Note: this table is useless with KSP version 1.0 and later, see the explanation in ...
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69 views

Solar intercept from collision course

I've got a craft that was stranded in solar orbit. Unfortunately, this orbit also came close to Kerbin's orbit. After a few cycles whilst I was trying to intercept it, it is now on a collision course ...
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Is there a way to play KSP without having studied rocket science?

A couple of years ago I bought KSP and struggled to even get through the tutorial getting the "basics". I didn't get anywhere, got frustrated and just stopped playing the game. However this morning I ...
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Landing at Kerbin without a chute

I've got a Duna lander. I used my chutes to land on Duna with basically no cost, which was nice. Unfortunately, I did not bring an engineer with me, as I did not know you needed one to repack chutes ...
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49 views

KSP: why does TrackIR crash the first time, run the second time?

I start TrackIR 4.0 software, to control a TrackIR 5 camera (KSP doesn't support TrackIR 5 software yet). Then I start KSP and load a game. When the spaceport appears, headtracking is inoperative ...
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52 views

Satellite exploding while in transfer orbit

I've accepted a contract to launch a satellite into polar orbit. I've done this before and things went totally smoothly, whereas now when I'm doing another contract like this I've stumbled upon a ...
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2answers
69 views

Why is this decoupler attached wrong?

Why is this decoupler attached wrong? When I launch my ship, it's fine, but why does the engineering report say this: Any ideas?
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43 views

What is the list of career mode general achievement contracts?

As @Philipp points out in a comment to this question: The general achievement contracts only appear when it's something you haven't already done yet. To maximize my career performance I'd like ...
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82 views

New Surface Outpost Contract - add on to an existing base?

So I currently have a surface outpost on both Mun and Minmus, but I've now received two more contracts to do the same thing -- one outpost on each moon. Instead of creating a whole new outpost, is it ...
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78 views

When should I perform the inclination matching maneuver?

I'm sending a manned mission to Minmus and, as Minmus' orbit is inclined to Kerbal I need to perform a maneuver to align inclination. From one of Scott Manley's newbie career guide videos I hear that ...
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69 views

How do multiple Mobile Processing Labs work?

Related: How does the Laboratory work? I had a orbital station with 1x Mobile Processing Lab (MPL-LG-2) in LKO. With another small vessel I did a tour of Mun and Minmus, collecting science as I ...
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46 views

How to bring back mysteriously missing contract in Kerbal?

For reasons unknown contract "Explore Mun" disappeared for me. I can't see it in accepted, can't see it in finished, nowhere. Not even in Alt+F12 debug console. I got the contract to explore Minmus ...
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92 views

Rover power in KSP

I've built a small rover in KSP. I launched it, landed on the Mun and literally pushed it off the top of my lander. However, the outcome is seriously disappointing. Even at the maximum rated speed of ...
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75 views

Kerbal Space Program: Gigantor XL solar arrays wobbling heavily on Space Station (no mods)

Background info: I was building a station similar to how the iss was built. So I added module by module. I placed a control module, with a drone core, lots of RCS fuel and SAS modules. After that I ...
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2answers
108 views

I can't perform science experiments but retrieving space crafts

I have gone into space and went EVA and right clicked on my kerbal, nothing appeared. (I am in science mode) I can't use the mystery goo container or science jr. I am on a mac and using 1.0.4.
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38 views

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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82 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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89 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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190 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
70 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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85 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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3answers
433 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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45 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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436 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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155 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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730 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
147 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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175 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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90 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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4answers
183 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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324 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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151 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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758 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
265 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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420 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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52 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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465 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
344 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
335 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
547 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 ...
5
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1answer
408 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
127 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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221 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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469 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
2k 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?