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.

learn more… | top users | synonyms

2
votes
3answers
63 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 ...
2
votes
0answers
69 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
votes
1answer
54 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. ...
0
votes
1answer
56 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
votes
0answers
38 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 ...
1
vote
2answers
194 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 ...
5
votes
1answer
156 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 ...
2
votes
2answers
125 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 ...
2
votes
1answer
76 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
votes
2answers
196 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
vote
0answers
56 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 ...
4
votes
1answer
519 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
vote
2answers
95 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
votes
3answers
160 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 ...
8
votes
0answers
128 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 ...
3
votes
1answer
294 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 ...
7
votes
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 ...
10
votes
4answers
11k 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? ...
4
votes
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, ...
2
votes
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 ...
3
votes
1answer
289 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 ...
1
vote
1answer
363 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
votes
1answer
366 views

What do you gain by training Kerbals?

Now that Kerbals can learn and develop skills I wonder what is increasing the skill level? Is it the number of flights? distance traveled? Time in space? biomes visited? Also, what does leveling my ...
4
votes
1answer
74 views

Activating Mods per World

In KSP, I have 2 worlds. One I play around doing real missions all in stock, the other, I use mods and mess around all the time. I want to get Deadly Re-entry, but it will also affect my stock world. ...
3
votes
1answer
381 views

Criteria for completing the Orbit contract

I've had a kerbal in a decaying orbit for some time now (I lose about a meter to my apoapsis every 3 seconds), with an apopsis of ~80km and periapsis of ~67 km. I've made a few rotations around ...
0
votes
0answers
23 views

KSP - Intercept craft [duplicate]

I launched a rocket to get a capsule stuck in orbit around Minmus but I'm not sure how to intercept it. Can anyone help me? http://i.stack.imgur.com/UtY3F.png Thanks
1
vote
0answers
164 views

KSP Career Mode - “Experiments you have collected cannot be stored on MK1”

I am trying to do the very first thing in the Career mode - create a lone Command Pod mk1 and explore the launch pad with the Kerbal, get EVA data and do a crew report. First, I do not seem to have ...
4
votes
2answers
172 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?
2
votes
2answers
355 views

Long Ship Physics Problems

I have personally experienced this in Version 0.25 as I sent up my own ISS. (International Space Station) I had a very long main payload which every other part would dock to. As I got it into orbit ...
3
votes
2answers
213 views

Is it possible to collide planets?

Like if I change some existing mod with engine and increase power of that engine. Then land to the Mun, and use this customized engine aimed to the Mun, will Mun orbit change? Does the game physics ...
4
votes
1answer
230 views

Can I fill or empty fuel tanks in the VAB?

I've read about people emptying some of their fuel tanks to save money. How is this done? I've tried everything I can think of short of editing the persistence file. What I really need to do is fill ...
4
votes
1answer
377 views

What are the units of measure used in Kerbal Space Program?

Kerbal Space Program is, ostensibly, all about having fun with rocket science. Of course, much of rocket science is dependent upon mathematics. Sure, there's plenty of mods and tools to help you out ...
5
votes
1answer
99 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. ...
4
votes
2answers
115 views

Is there a way to track player-defined missions in Kerbal Space Program?

I've played Kerbal Space Program now to the point that I'm no longer really interested in the pre-defined missions in Career Mode. For awhile, I want to just focus on exploring space my way. This ...
1
vote
2answers
277 views

Is there a way to “make” Kethane?

I'm still trying to learn how things work in the Kethane mod, and I'm having a bit of a hard time with it since my current game doesn't appear to have any Kethane available at the KSC launch pad. I'm ...
-2
votes
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 ...
2
votes
1answer
534 views

Reusable Goo Canisters and Jr. Science Bays

I would like to ask, how did Scott Manley in his Interstellar quest videos, able to reset the Goo Canister and Jr Science Bay after transmitting the data and used it again? He didn't even include the ...
1
vote
1answer
376 views

Electricity source for magnetoplasmadynamic engines in KSP

I'm attempting to create some cool long distance ships with the new hydrogen+electricity engines but quickly realized how ridiculous these engines are in terms of electricity intake. I managed to use ...
2
votes
1answer
410 views

KSP parachutes not deploying

I have several parachutes to slow my craft on Duna. I set their altitude at 1500m and their atmosphere setting to 0.5, yet they do not deploy. They turn blue when I activate them with space bar but ...
3
votes
1answer
492 views

Adding parts from other mods to Kerbal Attachment System

I've played KSP for a while now, and my approach here has been the same as with other games: First try it out vanilla, then add mods as I see which holes they'd fill. I added mechjeb first, to ...
4
votes
2answers
924 views

How do I keep my rockets from blowing up the pad without launch stabilizers?

Since 0.25, it is now possible to destroy buildings at KSC. Unfortunately, this appears to also mean it's now possible to overload your launch pad. On several occasions, even with relatively small ...
3
votes
2answers
299 views

KSP VS1 VTOL Engine. Can't 'Run Test'

I have been given a contract to test the VS1 VTOL engine while landed but I can't because the Right-Click menu is so big it goes off the screen! How do I work around this?
4
votes
1answer
2k views

Exactly what does reputation unlock/buy (KSP)?

I'm selling off all my reputation and I'm noticing the game is a little harder than usual. I've never been told what reputation does. What exactly does reputation do/give/unlock?
5
votes
1answer
324 views

How does Aggressive Negotiations work?

I have little need for reputation so I chose to get a high level of aggressive negotiations. Now it says I pay 90 reputation for each discount. I assume that unlocking science parts is a single ...
3
votes
1answer
224 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 ...
5
votes
1answer
582 views

Are SSTO (Single Stage To Orbit) vehicles cost effective?

I've been experimenting with building rockets that can make it into orbit with a single stage, decouple and then land/splash the booster section with a probe core in control (or sometimes Jeb in a ...
3
votes
1answer
303 views

What causes Kerbals to become brain dead debris?

Jebediah was testing out my new monopropellant lander on the mun. After landing it was obvious that he was some 300 units short of making it back to Kerbin. I designed and sent a lightweight ...
1
vote
1answer
284 views

How can I determine the fastest orbit altitude including time warp?

When using mods like SCANsat, I find I spend a lot of time having to wait for my spacecraft to complete a certain number of orbits in order to complete whatever task it is I launched it for. To ...
2
votes
1answer
404 views

Kerbal stuck in seat, refuses to get out

So I created a rover with an EAS-1 control seat and sent it to the Mun. Everything went well, but now the Kerbal is kind of in the seat and kind of not. It looks like he's trying to walk when I drive. ...
5
votes
1answer
252 views

How can I prevent a part from being added to any stage?

In Kerbal Space Program many parts, typically engines and separators are "stagable", in that their activation can be tied to a stage. However sometimes I have stagable parts that I don't want tied to ...