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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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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5answers
12k views

Easy money in Kerbal Space Program

Ships cost money now a days, but I'm unwilling to make any changes to construction style (TWR >5 all the way!). I've had some trouble making fat stacks of ker-cash. What is the easiest way to make ...
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5answers
14k views

How can I change focus without firing up the throttle?

I can use tab to change between foci, e.g. if my focus is Kerbin and I hit tab, focus shifts to the Mun. However to go back without cycling through every celestial object requires pressing shift +tab, ...
4
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1answer
3k views

How do I calculate necessary Delta-V for circularization burn?

I'm trying to write a launch into orbit program. I could use wait until periapsis > x, but this seems inaccurate, because I can't start the burn at the exactly right time, because I don't know how ...
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1answer
35 views

Half of my training missions are missing

After not playing for a while I re-launched KSP and went back to refresh my skills with the training missions - however I only have the more advanced missions available - how do I reset or re-acquire ...
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1answer
267 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 ...
3
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1answer
101 views

In this Kerbal Space Program tutorial, why does the commentator put the Stayputnik module on top of the crew capsule?

I have been watching Scott Manley's KSP tutorials, specifically this one here. He intentionally strands a Kerbal in orbit, then shows how to build a "rescue rocket", but doesn't go very in depth on ...
3
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3answers
775 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 ...
2
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2answers
329 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 ...
4
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1answer
2k 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 ...
4
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1answer
159 views

Is there any way to reduce repeated science experiments?

There are many science experiments in the game that only give you part of the (remaining) value whenever you carry them out and retrieve the data. So, even if you rerun the experiment, you only get ...
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2answers
1k views

My Mun encounter trajectory intersects the Mun. Is this optimal?

My encounter trajectory is pictured below. From a fuel-efficiency standpoint, is it optimal for my encounter burn to intersect the Mun, then perform another burn to curve my periapsis out to a ...
5
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1answer
355 views

Can I play Kerbal without Steam?

Kerbal Space Program looks like a game I'd enjoy. There is a free demo available. I noticed the purchase link lists "Buy Steam Key". I have had one experience with Steam, and that was enough. Do I ...
4
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1answer
3k 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 :) ...
13
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1answer
4k 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
99 views

Kerbal Space Program Unmanned modules

How can I fly an unmanned module? It shows SPU:no connection when I right click on it. I have tried adding batteries, comms dts m1 on it but no luck.
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2answers
88 views

Parachute activates on launch problem

So in Kerbal Space Program Im using the MK2 Radial Mounted Parachute, attached to the side of a Science Jr. Module. The issue im facing is that at launch the parachute automatically activates causing ...
5
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2answers
297 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
451 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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1answer
158 views

Can one replace/add a ship part in orbit? [duplicate]

I have a reusable ship in orbit and wish to add some parts to it (e.g. parachutes, heat shield, Mono-Fuel ...). Is it possible? Is there a mod that lets an engineer to do it?
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2answers
363 views

How can I cheat docking in Kerbal Space Program

To make things clear, I know how to and can dock, CoM thruster placing, translation, RCS build aid, 'cotrol from here' etc inclusive. I've built a multi-piece orbital station that was assembled in ...
4
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2answers
110 views

Mounting a time-limited rescue mission for kerbal inbound to Kerbin

I have a poor kerbal who, due to poor planning by mission control (erm, me), is returning to Kerbin, but does not have sufficient fuel to enter orbit. The situation: She has 84 days of supplies ...
3
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1answer
229 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
106 views

Does an RTGs efficiency decrease?

I've got a ship with Radioisotope Thermal-electric Generators (RTG), they're the stock PB-NUK variety. When I right click on them they say "Efficiency 1.0". In reality RTGs wear out over the ...
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1answer
244 views

Are Fuel Cell Arrays efficient enough for mining ships?

In Kerbal Space Program I'm developing a refueling/mining network. I've got miners scattered across the stellar system, but now that I'm out on Jool's moons, I've found that solar panels aren't as ...
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3answers
68 views

Does items/modules breaks or malfunction in KSP?

I've played for more than 100 hours, nothing stop working so far, but does it happen?
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4answers
531 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 ...
2
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1answer
119 views

Maintaining control during probe atmospheric landing with RemoteTech

I've dived into unmanned exploration with RemoteTech mod for added challenge. I am at an early stage in the Career mode and my core communications constellation is 3 satellites at 700km orbit with a ...
2
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1answer
1k 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. ...
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2answers
116 views

Kerbal - Is it possible to transfer fuel with a probodobodyne OKTO in the middle?

I want to transfer fuel between two tanks while they are docked in orbit. The thing is, one of the tanks has a Probodobodyne OKTO between the docking port and the tank. I don't want to use any ...
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2answers
324 views

How to achieve Kerbin orbit without using maneuver nodes?

I'm having a very hard time to fulfill the Orbit Kerbin contract. I already saw a dozen videos of people explaining how to orbit and saw another billion texts. The problem is, when I'm in orbit, ...
4
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1answer
728 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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4answers
5k views

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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3answers
295 views

Usefulness of SSTOs and spaceplanes

There's a lot of chat about SSTOs for KSP. I recently managed to design, launch into orbit, and recover an SSTO. However I have to say that having achieved this, I don't really see what the appeal ...
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2answers
932 views

Why won't my MK16 parachute deploy?

I just started a career mode in KSP and the simplest setup fails to work. I have a RT-10 Solid Fuel booster with an Mk1 command pod on top and an Mk16 parachute at the tip. Whenever I deploy the ...
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3answers
297 views

Do I need more than 1 Antenna / Comms / Communotron?

What might the reason for taking more than 1 Antenna into orbit / space?
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1answer
338 views

Can't save subassembly “THE SELECTED PART IS NOT ATTACHABLE!”

When trying to save a 'science prob' (see below image), I keep getting the above message and can't save it. Action taken to produce result: Build the module (see image), drag and drop the OKTO pod to ...
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1answer
536 views

How to 'Test BACC “Thumper” Solid Fuel Booster in flight over Kerbin'?

After endless tries, how can it be achieved? Req: 5Km~14Km, 100~800 m/sec I created a craft with the device, achieved all test conditions (all is green), still I don't get the achievement. What did ...
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1answer
467 views

In To the Mun, Part 1, is there actually enough fuel to get to the Mun?

I'm trying to land on the Mun in the first Mun tutorial. What I find is that I can escape Kerbal orbit and intercept the Mun, then set an orbit basically going straight down into the Mun. But when I ...
8
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3answers
8k views

Will my parachute fail if I'm going too fast when I deploy it?

I was going to put a whole back-story for this question here, but thought it'd be better as a Google+ post instead, for reasons that should be obvious to anyone who reads it. So, during high velocity ...
2
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3answers
503 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 ...
5
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2answers
395 views

Translating time units in KSP

In Kerbal Space Program, not all time units are equivalent to their real-world counterparts. Seconds, minutes, and hours seem to be roughly the same but there seems to be some breakdown after that. ...
2
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1answer
384 views

Can't make sense of launch window planner results

I've been using alexmoon's KSP Launch Window Planner to plot transfers from the Mun to Minmus, but the trajectories that I get are quite far off, and I feel like I must be doing something wrong. What ...
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3answers
6k 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 ...
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0answers
80 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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4answers
806 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
174 views

How can I calculate if something can land on an atmosphere-less body?

As a part of a contract I'm bringing a surface outpost of ~10t to the surface of Minmus. I want to land that thing intact and for that I need to calculate how much engines/thrust/fuel I need on the ...
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1answer
111 views

How does KSP simulate objects out of focus?

I've attempted to perform a controlled aerobraking maneuver against Kerbin upper atmosphere (>55km) when returning from a moon and decided to speed things up with fast-forwarding from the Tracking ...
3
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1answer
1k views

Terminal velocity table for KSP v1.0 and later?

The KSP wiki presents an interesting table of terminal velocity in Kerbin'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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1answer
122 views

Spaceplane speeds on Kerbin- beating 1400m/s

I'm doing my best to launch an SSTO into orbit. Currently, my primary objective is to replace my LVT-30 with an LV-909 so that I can reap the d/v rewards. Unfortunately that means pushing as high and ...