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These are a list of frequently-asked questions about KSP.
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These are a list of frequently-asked questions about KSP.
  
 
Please feel free to add to it or update it.
 
Please feel free to add to it or update it.
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=== Where can I find Kerbal Space Program? ===
 
=== Where can I find Kerbal Space Program? ===
The main website can be found [http://kerbalspaceprogram.com/ here]. Available at the main website are the demo and full versions. The latter is also available [http://store.steampowered.com/app/220200/ on Steam].
+
The main website can be found [http://kerbalspaceprogram.com/ here]. Available at the main website are the demo and full versions. Both are also available [http://store.steampowered.com/app/220200/ on Steam] and DRM free [https://www.gog.com/game/kerbal_space_program on GOG].
  
 
=== What are the differences between the demo version and the full version? ===
 
=== What are the differences between the demo version and the full version? ===
The demo is a freeware release and as such is missing a lot of content that has been added since. The demo version gives you solid boosters, some liquid engines, and a [[Demo parts|handful of other parts]]. It does not allow the use of the [[Space Plane Hangar]] and [[runway]], many stock parts (including unmanned [[command module]]s and [[docking port]]s) are omitted, and there are no celestial bodies other than [[Kerbin]], the [[Mun]] and [[Kerbol]]. Use the demo version to get an idea of what the game is like, but don't forget that the full game has so much more for a good price too. Trust me. Its worth it!
+
The demo is a freeware release and as such is missing a lot of content. The demo version gives you only a [[Demo parts|small subset]] of the rocket parts available in the full game. It does not allow the use of the [[Space Plane Hangar]] or [[runway]], and there are no celestial bodies other than [[Kerbin]], the [[Mun]] and [[Kerbol]]. The demo is also based on an older version of the game which lacks many useful features. Use the demo to get an idea of what playing the game is like, but don't forget that the full product has so much more. Trust me. It's worth it!
  
 
=== What features are planned? ===
 
=== What features are planned? ===
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* Clear your browser's cache or temporary files.  
 
* Clear your browser's cache or temporary files.  
 
* Try another browser.
 
* Try another browser.
 +
* Disable your Antivirus for a while.
 
You can verify your downloads by comparing the [[w:checksum|checksums]].
 
You can verify your downloads by comparing the [[w:checksum|checksums]].
 
Usually downloading again works if these options fail.
 
Usually downloading again works if these options fail.
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=== I can't load my save file and/or spacecraft! ===
 
=== I can't load my save file and/or spacecraft! ===
 
* Updates can and will break saves and .craft files. If the file isn't made by you, make sure that you use the same version as the person who sent you the file! Otherwise try using the last version it worked on.
 
* Updates can and will break saves and .craft files. If the file isn't made by you, make sure that you use the same version as the person who sent you the file! Otherwise try using the last version it worked on.
* Make sure that you have all addons installed that are needed for the save or craft. You can get them in the forums or on the official [http://kerbalspaceport.com/ Kerbal SpacePort].
+
* Make sure that you have all addons installed that are needed for the save or craft. You can get them in the [http://forum.kerbalspaceprogram.com/index.php?/forum/34-add-on-releases/ forums] or on the official [http://kerbal.curseforge.com// Kerbal CurseForge].  Keep in mind that sometimes addon updates will break craft, especially when parts are deleted from mod packs.  This may not become apparent until you switch focus to a craft that has that particular part (at which point it may explode or simply fall apart).
 
* Make sure your [[KSP]] installation hasn't be damaged by applying addons. Try reinstalling [[KSP]] if nothing else helps.
 
* Make sure your [[KSP]] installation hasn't be damaged by applying addons. Try reinstalling [[KSP]] if nothing else helps.
 
* TIP: Always backup (Copy and move to a new folder) your original KSP installation files, save files and ships to prevent loss!
 
* TIP: Always backup (Copy and move to a new folder) your original KSP installation files, save files and ships to prevent loss!
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This is usually caused by corrupted saves files. Open the <tt>KSP/saves</tt> folder and try moving all of the folders (except for <tt>scenarios</tt> and <tt>training</tt>) somewhere else. Then move them back one at a time and see if the button works again after each one. If it doesn't work, the last save folder you copied is corrupt. Your progress on that save is probably lost, however there are two things you can do:
 
This is usually caused by corrupted saves files. Open the <tt>KSP/saves</tt> folder and try moving all of the folders (except for <tt>scenarios</tt> and <tt>training</tt>) somewhere else. Then move them back one at a time and see if the button works again after each one. If it doesn't work, the last save folder you copied is corrupt. Your progress on that save is probably lost, however there are two things you can do:
 
# '''Replace the current state with that of a quicksave or autosave:''' Go into the folder for the corrupted save (<tt>KSP/saves/SAVENAME</tt>) and rename the <tt>persistent.sfs</tt> file to <tt>persistent2.sfs</tt>, so KSP will ignore it. Then rename <tt>quicksave.sfs</tt> to <tt>persistent.sfs</tt>. This will reset your current progress to that of the last quicksave or autosave. If the save file still won't load, your current missions can't be recovered, unless you know how to repair the files manually.
 
# '''Replace the current state with that of a quicksave or autosave:''' Go into the folder for the corrupted save (<tt>KSP/saves/SAVENAME</tt>) and rename the <tt>persistent.sfs</tt> file to <tt>persistent2.sfs</tt>, so KSP will ignore it. Then rename <tt>quicksave.sfs</tt> to <tt>persistent.sfs</tt>. This will reset your current progress to that of the last quicksave or autosave. If the save file still won't load, your current missions can't be recovered, unless you know how to repair the files manually.
# '''Copy the crafts from the corrupted save to another one:''' Go to the <tt>Ships</tt> folders in the corrupted and an intact save's folders. Then copy the contents of the <tt>SPH</tt> and <tt>VAB</tt> folders from the corrupt save to the corresponding folders of the intact save. You should then be able to load the crafts in the intact save file.
+
# '''Copy the craft from the corrupted save to another one:''' Go to the <tt>Ships</tt> folders in the corrupted and an intact save's folders. Then copy the contents of the <tt>SPH</tt> and <tt>VAB</tt> folders from the corrupt save to the corresponding folders of the intact save. You should then be able to load the craft in the intact save file.
  
 
Remember that multiple saves could be corrupt, so you might have to repeat the procedure!
 
Remember that multiple saves could be corrupt, so you might have to repeat the procedure!
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This is also caused by corrupted files. You will have to follow a similar procedure as described above:
 
This is also caused by corrupted files. You will have to follow a similar procedure as described above:
  
Go to the craft folder of the save on which the problem occured (<tt>KSP/saves/SAVENAME/Ships</tt>) and you will find two folders: <tt>VAB</tt> (Vehicle Assembly Building crafts) and <tt>SPH</tt> (Spaceplane Hangar crafts). Move all the .craft files from the folder in question somewhere else, then move them back one at a time, and see if the button works again. If it does not, the last file you copied is corrupt and you will have to delete it, unless you know how to fix it manually.
+
Go to the craft folder of the save on which the problem occurred (<tt>KSP/saves/SAVENAME/Ships</tt>) and you will find two folders: <tt>VAB</tt> (Vehicle Assembly Building craft) and <tt>SPH</tt> (Spaceplane Hangar craft). Move all the .craft files from the folder in question somewhere else, then move them back one at a time, and see if the button works again. If it does not, the last file you copied is corrupt and you will have to delete it, unless you know how to fix it manually.
  
 
Remember that there could be multiple corrupted files, so you might have to repeat the procedure.
 
Remember that there could be multiple corrupted files, so you might have to repeat the procedure.
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==== Is there a list of key bindings? ====
 
==== Is there a list of key bindings? ====
Yes. Please see [[Key Bindings]].
+
Yes. Please see [[Key bindings]].
  
 
==== How do I get things into orbit/land on a planet? ====
 
==== How do I get things into orbit/land on a planet? ====
See our [[Tutorials]] for more info.
+
See our [[Tutorials]] for more info.  
  
 
==== Can I change the order of the stages? ====
 
==== Can I change the order of the stages? ====
Yes, [[Getting Started#The Rocket.21|just drag the stage or the part where you want]]. As of 0.18, you can now do this in flight as well as in the VAB.
+
Yes, [[Getting Started#The Rocket.21|just drag the stage or the part where you want]]. You can do this in flight as well as in the VAB.
  
 
==== What's the difference between S.A.S and Advanced S.A.S? ====
 
==== What's the difference between S.A.S and Advanced S.A.S? ====
With {{Version|0.21}} there is no difference between them anymore. The previous function of ASAS to hold the heading was moved to the SAS while the SAS instead became reaction wheels which provide torque. Like before with ASAS only one SAS module per ship is required, its performance depends on amount and positioning of the control systems like [[RCS]].
+
Since {{Version|0.21}} there has been no difference between them. The previous function of ASAS,to hold the heading, was moved to the SAS while the SAS instead became reaction wheels which provide torque. Like before with ASAS, only one SAS module per ship is required, its performance depends on amount and positioning of the control systems like [[RCS]].
  
 
==== Why do parts of my rocket fall when I launch it? ====
 
==== Why do parts of my rocket fall when I launch it? ====
Check the stats of the parts, you can't attach more then a specific weight on each part.
+
Your rocket may have too much weight being supported by a weak joint. Make sure that every part of your rocket is resting on something strong enough to hold its weight, or that it is supported by enough connections to keep it in place.
* Tip: Connect parts together with [[EAS-4 Strut Connector]] to help them from disconnecting.
+
* Tip: Connect parts together with [[EAS-4 Strut Connector]] to strengthen your rocket.
  
 
==== Can I take screenshots of the game? ====
 
==== Can I take screenshots of the game? ====
Yes! With the function key F1 you'll take a screenshot of the current scene. The screenshots will be saved in a folder called "Screenshots" that is located in your root folder of [[KSP]].
+
Yes! Pressing {{Key press|F1}} will take a screenshot of the current scene. The screenshots will be saved in a folder called "Screenshots" that is located in the root folder of your [[KSP]] install.
* Tip: Toggle the UI with F2, and toggle the marks of ships with F4.
+
* Tip: Toggle the marks of ships with {{Key press|F4}} or toggle the entire UI with {{Key press|F2}} to take less cluttered screenshots.
 +
Additional methods are possible, depending on your OS and installation method. (eg: Steam users can use {{Key press|F12}})
  
 
==== How can I recover ships/Kerbonauts that have safely landed after a mission? ====
 
==== How can I recover ships/Kerbonauts that have safely landed after a mission? ====
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After a successful flight mission and landing back on planet Kerbin, you can:
 
After a successful flight mission and landing back on planet Kerbin, you can:
  
* Move the mouse over the altitude meter, then click the green '''Recover''' button that shows up.  
+
* Move the mouse over the altitude meter, then click the green '''Recover''' button that shows up.
  
 
Or:
 
Or:
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==== Why I can't activate the next stage? ====
 
==== Why I can't activate the next stage? ====
Please check if:
+
There are several reasons this might happen:
* You have pressed [[Key Bindings#Modifier key|Mod]] + L. This action will toggle the stage lock.
+
* You have locked the stages by pressing {{Key press|[[Mod]]|L}}. Press it again to re-enable staging.
 
* You're in [[Docking|Docking Mode]].
 
* You're in [[Docking|Docking Mode]].
* There isn't any activate command pod. If it's an unmanned ship, check if there's electric charge remained. If it's a manned ship, check if there's any Kerbanaut in.
+
* There isn't any active command pod. If it's an unmanned ship, it may have run out of [[electric charge]]. If it's a manned ship, the crew may have all exited the vehicle.
 
* Your mouse is hovering over the staging viewer and editor on the left.
 
* Your mouse is hovering over the staging viewer and editor on the left.
* You're at [[Time warp#Non-physical time warp|Time Warp]].
+
* You're in [[Time warp#Non-physical time warp|Time Warp]].
  
 
==== Why I can't control the ship anymore? ====
 
==== Why I can't control the ship anymore? ====
 
Please check if:
 
Please check if:
* There isn't any activate command pod. If it's an unmanned ship, check if there's electric charge remained. If it's a manned ship, check if there's any Kerbanaut in.
+
* There isn't any active command pod. If it's an unmanned ship, it may have run out of [[electric charge]]. If it's a manned ship, the crew may all have exited the vehicle.
* You're at [[Time warp#Non-physical time warp|Time Warp]].
+
* You're in [[Time warp#Non-physical time warp|Time Warp]].
 
* There isn't enough [[electric charge]] for [[reaction wheel]]s.
 
* There isn't enough [[electric charge]] for [[reaction wheel]]s.
 +
* You've run out of [[monopropellant]] for the [[RCS]] thrusters.
 
* Your ship is completely destroyed. (I'm sorry for that.)
 
* Your ship is completely destroyed. (I'm sorry for that.)
 +
* Your [[Craft#Vessel_types|vessel type]] is Debris while [[CommNet]] is enabled.
  
 
==== Why I can't do the Time Warp/save the current progress? ====
 
==== Why I can't do the Time Warp/save the current progress? ====
 
Please check if:
 
Please check if:
* The throttle is not at 0%. Press X to set it to 0% immediately.
+
* The throttle is not at 0%. Press {{Key press|Ctrl}} to gradually lower it, or {{Key press|X}} to drop it to 0% immediately.
 
* Your ship is spinning too fast.
 
* Your ship is spinning too fast.
 
* You're flying in atmosphere.
 
* You're flying in atmosphere.
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==== How do I stabilize the ship? ====
 
==== How do I stabilize the ship? ====
You have two options.
+
The easiest way is to enable [[SAS]]. Press {{Key press|T}} to toggle it on; it will gradually stop your ship from spinning. You can also hold {{Key press|F}} to momentarily enable SAS.
* Press T to toggle/switch S.A.S. on or off.
 
* Press F for momentary correction/stabilization (activates only for as long as you hold the F key down).
 
  
Attention, you must have at least one "SAS-Equipped" part and electric charge.
+
You must have some [[electric charge]] available for SAS to function.
  
 
==== How do I use RCS? ====
 
==== How do I use RCS? ====
 
See [[RCS]] for the basics.
 
See [[RCS]] for the basics.
* Tip: On smaller orbital modules RCS can be used instead of [[liquid engine]]s (don't forget to take enough RCS fuel!) Normally RCS is only used for orbital and landing procedures and to correct heading, not during take off or while in the Kerbin Atmosphere.
 
  
 
==== How do I transfer fuel between tanks? ====
 
==== How do I transfer fuel between tanks? ====
Hold the [[Key Bindings#Modifier key|modifier key]] and right click the two tanks. You can then click In or Out on either tank to specify the direction of fuel flow.
+
Hold the [[modifier key]] and right click the two tanks. You can then click In or Out on either tank to specify the direction of fuel flow.
 +
* Tip: Remember that [[liquid fuel]] and [[oxidizer]] are two separate resources and must both be transferred together.
 +
* Tip: Transferring will not be available if you select tanks containing different types of fuel.
 +
* Tip: In Career mode, transferring requires an upgrade of the R&D building.
  
==== Can I do the [[Time warp#Physical time warp|Physics Warp]] while in space? ====
+
==== Can I use [[Time warp#Physical time warp|Physics Warp]] while in space? ====
Yes. You can toggle the Physics Warp by pressing "[[Key Bindings#Modifier key|Mod]] + ," and "[[Key Bindings#Modifier key|Mod]] + ." .
+
Yes. You can toggle the Physics Warp by pressing {{Key press|[[Mod]]|,}} and {{Key press|[[Mod]]|.}}.
 +
* Tip: Physics warp can make your spacecraft more fragile. Be careful when using it with engines throttled up.
  
 
==== Can the object filter in Tracking Station be shown in Map View? ====
 
==== Can the object filter in Tracking Station be shown in Map View? ====
Yes. Move mouse to the top of the screen and it will show up.
+
Yes. Move the mouse to the top of the screen and it will drop down.
  
==== Can I examine multiple types of objects at the same time? ====
+
==== Can I filter for multiple types of objects at the same time? ====
By right clicking, you can do multiple selection in the object filter.
+
Yes, you can right-click the filters to select more than one of them.
  
 
==== Can I rename a vehicle? ====
 
==== Can I rename a vehicle? ====
Right click an active command pod, then click "Rename Vehicle". You'll be able to change the name and the type of this vehicle.
+
Right-click an active [[command module]], then click "Rename Vehicle". You'll be able to change the name and the type of this vehicle. Alternatively, you can rename it from the tracking station by selecting it and clicking its name on the info panel, on the right-side of the screen.
  
==== Why doesn't the orientation of the Nav Ball follow what I want it to be? ====
+
==== Why doesn't the orientation of the [[navball]] follow what I want it to be? ====
Each ship has the "axis of control". You can change it by right clicking any command pod or docking port then clicking "Control from Here". If you have tried all the command pods and docking ports and you still can't get the orientation you want, just make your way to attach a command pod or docking port with the right direction.  
+
The direction of the navball depends on which part of the ship you are controlling it from. You can change it by right clicking any [[command module]] or docking port then clicking "Control from Here"; the navball will then point in the same direction as the selected part. If you have tried all the command modules and docking ports and none of them have the orientation you want, then you must go back to the [[VAB]] or [[SPH]] and add a new one to allow it (Sorry!).
  
 
==== Can I see the ship at different angles? ====
 
==== Can I see the ship at different angles? ====
By right clicking and drag you can make the camera orbit the ship, and by middle clicking and drag you can change the attitude of the camera in a limited range.
+
By right clicking and drag you can make the [[camera view|camera]] orbit the ship, and by middle clicking and drag you can change the direction of the camera within a limited range.
  
Press V to change the camera mode (Auto/Free/Orbit/Chase). Press C to switch between external view and IVA view.
+
Press {{Key press|V}} to change the camera mode (Auto/Free/Orbit/Chase). Press {{Key press|C}} to switch between external view and [[IVA]] view.
  
 
==== How do I make [[Maneuver node|Flight Planning]] more precise during interplanetary transfer? ====
 
==== How do I make [[Maneuver node|Flight Planning]] more precise during interplanetary transfer? ====
You can try opening settings.cfg in game folder with Notepad and change "CONIC_PATCH_DRAW_MODE = 3" to "CONIC_PATCH_DRAW_MODE = 0". This will make each trajectory drawn at the current position of celestial bodies. So you can focus the celestial body you're planning to reach.
+
You can try opening settings.cfg in game folder with Notepad and change "CONIC_PATCH_DRAW_MODE = 3" to "CONIC_PATCH_DRAW_MODE = 0". This will make each trajectory drawn at the current position of celestial bodies, so that you can focus the celestial body you're planning to reach.
  
==== Can trajectory prediction work with more SOI changes? ====
+
As of {{Version|0.23.5}} this has been exposed as part of the stock game. If you change your focus to a body whose [[SOI]] you will enter in the future (double-click on it, right click on it and select “Focus View”, or press {{Key press|tab}} repeatedly) you will see the trajectory your craft will follow once it arrives. You can return focus to your ship by pressing {{Key press|delete}}.
Open settings.cfg with Notepad and change "CONIC_PATCH_LIMIT = 3" to a higher value.
 
  
 +
==== Can trajectory prediction work with more [[SOI]] changes? ====
 +
Trajectory prediction is limited to 2 SOI changes (3 conics trajectories) after the last maneuver nodes. Set a maneuver node on the end of your trajectory, the prediction should extend to more SOI. Due to the limits of the game's mathematics, orbit predictions beyond 3 SOI changes will be less accurate than nearer ones. It's also possible without maneuver nodes by replacing the number in "CONIC_PATCH_LIMIT = 3" in the settings.cfg with a higher value.
  
 
=== Ground ===
 
=== Ground ===
  
 
==== Why does my rover "lift itself" in low-gravity environments? ====
 
==== Why does my rover "lift itself" in low-gravity environments? ====
It's because of the overpowered reaction wheels. You can make reaction wheels no longer work by doing any of the following actions:
+
 
 +
In low gravity, the powerful motors on rover wheels can exert so much force that they kick the wheels out from under the vehicle. Wheelies are all too easy in low gravity!
 +
* Accelerate and brake carefully, with short taps of the forward and backwards keys, to avoid this.
 +
* Don't turn too sharply at high speed or the rover may tip over. Slow down before turning, or turn more gradually.
 +
 
 +
One other cause of rover flipping is activating [[reaction wheel]]s while driving. You can make reaction wheels no longer work by doing any of the following actions:
 
* Switch to [[Docking|Docking Mode]];
 
* Switch to [[Docking|Docking Mode]];
 +
* Disable [[SAS]].
 
* Right click the parts with reaction wheels, then click "Toggle Torque".
 
* Right click the parts with reaction wheels, then click "Toggle Torque".
* Enter the Main Menu, click Settings, then Input, then Rovers. Change the controls of rovers from W/S/A/D to something other, like I/K/J/L.
+
* Rebind the rover control keys away from the attitude control keys. Enter the Main Menu, click Settings, then Input, then Rovers. Change the controls of rovers from {{Key press|W|S|A|D|chain=}} to something other, like {{Key press|I|K|J|L|chain=}}.
  
 
==== Why do the wheels of my rover break? ====
 
==== Why do the wheels of my rover break? ====
It's because your velocity over surface is beyond the maximum velocity of the wheel, or your wheel hits the ground too hard.
+
It's because your velocity over surface is beyond the maximum velocity of the wheel, or your wheel hit the ground too hard.
  
 
You can repair the wheel by walking a Kerbanaut near it, then right clicking on the wheel and clicking "Repair Wheel".
 
You can repair the wheel by walking a Kerbanaut near it, then right clicking on the wheel and clicking "Repair Wheel".
  
 +
=== EVA ===
 +
==== I'm floating away into space! How do I get back inside the ship? ====
  
=== EVA ===
+
Press {{Key press|R}} to activate your [[kerbonaut]]'s [[RCS]] backpack; the [[Key bindings#EVA|proper keys]] will now make the kerbonaut move in each of the cardinal directions. Each manned [[command module]] has a hatch and small ladder mounted on one side; find where it is and carefully fly towards it. Once the kerbonaut is within a meter or so of the hatch, a prompt will appear to press {{Key press|F}}; press it and he/she should grab the ladder. Press {{Key press|B}} to finish boarding or move along the ladder until the boarding prompt appears.
  
 
==== Why does my Kerbal always walk with the back to the camera? ====
 
==== Why does my Kerbal always walk with the back to the camera? ====
Press [[Key Bindings#Modifier key|Mod]] to switch to free-walking mode.
+
Press {{Key press|[[Mod]]}} to switch to free-walking mode.
  
 
==== Can Kerbals jump in different directions when on ladders? ====
 
==== Can Kerbals jump in different directions when on ladders? ====
Press Shift + (W/S/A/D) + Space. Press Shift + Space to jump backward, Shift + A to jump to the left, etc.
+
Press {{Key press|Shift}} + ({{Key press|W|S|A|D|chain=}}) + {{Key press|Space}}. Press {{Key press|Shift|Space}} to jump backward, {{Key press|Shift|A}} to jump to the left, etc.
  
 
==== How can I orient Kerbals to the direction of camera? ====
 
==== How can I orient Kerbals to the direction of camera? ====
 
Make sure the jet pack is activated, then press Space.
 
Make sure the jet pack is activated, then press Space.
 +
 +
==== How can I orient Kerbals to an other direction that the one of the camera? ====
 +
Press A/E to "yaw", left click and drag to "pitch"/"roll". Make sure you disabled EVAs Auto-Rotate to Camera in your settings (input/other) or the orientation will reset the next translationnal move you make.
  
 
==== Why do some Kerbals laugh during the entire mission, while others panic easily? ====
 
==== Why do some Kerbals laugh during the entire mission, while others panic easily? ====
The expression of Kerbals is determined by an extremely complex, mysterious and scientific system - so complicated that it can't be explained here. But you can still find some clues about this system, like Kerbals with high Courage won't become panic easily and Kerbals with high Stupidity will find fun in spinning, and Kerbals with a true badS (Badass) parameter (you can find it in .sfs files) will laugh all the way.
+
Each Kerbal is rated on his "courage" and "stupidity"; the different levels of each attribute determine his reaction to flight events. Some, such as Jebediah, are also considered "badass" and will laugh in the face of all but the biggest calamities. (This is controlled by a secret flag named "badS" in the configuration files behind the scenes.)
 
 
By the way, Jebediah's badS is true, Bill is false, and Bob is false.
 
 
 
  
 
=== VAB/SPH ===
 
=== VAB/SPH ===
  
 
==== Can I undo/redo my actions? ====
 
==== Can I undo/redo my actions? ====
Yes, by pressing Ctrl + Z and Ctrl + Y.
+
Yes, by pressing {{Key press|Ctrl|Z}} and {{Key press|Ctrl|Y}}.
  
 
==== Can I rotate the parts? ====
 
==== Can I rotate the parts? ====
Yes, by pressing Q/E/W/S/A/D you will be able to rotate parts by 90° and by pressing Shift + Q/E/W/S/A/D you will rotate parts by 5°.
+
Yes, by pressing {{Key press|Q|E|W|S|A|D|chain=}} you will be able to rotate parts by 90° and by pressing {{Key press|Shift}} + ({{Key press|Q|E|W|S|A|D|chain=}}) you will rotate parts by 5°.  There is also move tools in the upper left corner of the VAB.
  
All right, I know you haven't read [[Key Bindings]].  
+
All right, I know you haven't read [[Key bindings]].
  
 
==== How do I transfer a craft between the VAB and the SPH? ====
 
==== How do I transfer a craft between the VAB and the SPH? ====
 
The .craft files you made are located in \saves\*The name of the save*\Ships\VAB and \saves\*The name of the save*\Ships\SPH. Any .craft file in these two folders will be shown in corresponding buildings, no matter what type it is. As for the type, you can edit the file with Notepad, change "type = VAB" or "type = SPH" to change the type of the craft permanently.
 
The .craft files you made are located in \saves\*The name of the save*\Ships\VAB and \saves\*The name of the save*\Ships\SPH. Any .craft file in these two folders will be shown in corresponding buildings, no matter what type it is. As for the type, you can edit the file with Notepad, change "type = VAB" or "type = SPH" to change the type of the craft permanently.
 +
 +
As of {{Version|0.22}}, you can also use the [[subassembly]] system to move part groups, including nearly-complete craft, between the two areas.
 +
 +
As of {{Version|0.90}}, you can load craft of both types in both buildings.
 +
 +
==== How do I transfer a craft between savegames? ====
 +
The .craft files you made are located in \saves\*The name of the save*\Ships\VAB and \saves\*The name of the save*\Ships\SPH.
  
 
== Development Related ==
 
== Development Related ==
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== Wiki ==
 
== Wiki ==
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=== Why don't some characters appear correctly in the Wiki? ===
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This isn't a problem for anyone using Firefox, Linux/Mac, or who have installed a font that fully supports Unicode (or a program that includes such a font), but is a problem for many Google Chrome users, because Chrome on Windows only uses the currently installed fonts to render characters, and defaults to a missing character symbol if no fonts support it. These symbols are in the "Miscellaneous Symbols" Unicode block, which is largely unsupported by the default Windows fonts (Arial only renders 12 of the 256 characters in the block). They are actually supported by the version of the font "Segoe UI Symbol" included by default in Windows 8, and a patch for Windows 7 was rolled out in 2012 that would update that font to the newer version used in Win8.
  
 
=== Why is my page edit being blocked? ===
 
=== Why is my page edit being blocked? ===
 
In order to curb spam, the Kerbal Space Program wiki has a spam blacklisting system.  If a page edit has any blacklisted terms, you will be unable to post that edit.
 
In order to curb spam, the Kerbal Space Program wiki has a spam blacklisting system.  If a page edit has any blacklisted terms, you will be unable to post that edit.
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{{Uncategorized|date=April 2014}}
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== Community ==
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=== Where can I find a list of popular Youtubers dedicated to KSP episode production? ===
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Please see the [[Kerbal Space Program Media Page]] for details on currently popular Youtube producers, Twitch broadcasters, and other dedicated KSP media providers.
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[[Category: Tutorials]]

Revision as of 17:38, 1 October 2018

These are a list of frequently-asked questions about KSP.

Please feel free to add to it or update it.

Contents

Basics

This section was originally on User:Senamic, but has been merged into this article for consistency.

Where can I find Kerbal Space Program?

The main website can be found here. Available at the main website are the demo and full versions. Both are also available on Steam and DRM free on GOG.

What are the differences between the demo version and the full version?

The demo is a freeware release and as such is missing a lot of content. The demo version gives you only a small subset of the rocket parts available in the full game. It does not allow the use of the Space Plane Hangar or runway, and there are no celestial bodies other than Kerbin, the Mun and Kerbol. The demo is also based on an older version of the game which lacks many useful features. Use the demo to get an idea of what playing the game is like, but don't forget that the full product has so much more. Trust me. It's worth it!

What features are planned?

See the Planned Features list.

Technical

What are the recommended system specifications?

Please see the page System Specs.

The file I downloaded is broken!

If you get a problem like "Corrupted archive", this means something went wrong with your download. Try the following:

  • Disable all download managers. These programs are notorious for messing up downloads.
  • Clear your browser's cache or temporary files.
  • Try another browser.
  • Disable your Antivirus for a while.

You can verify your downloads by comparing the checksums. Usually downloading again works if these options fail.

I can't load my save file and/or spacecraft!

  • Updates can and will break saves and .craft files. If the file isn't made by you, make sure that you use the same version as the person who sent you the file! Otherwise try using the last version it worked on.
  • Make sure that you have all addons installed that are needed for the save or craft. You can get them in the forums or on the official Kerbal CurseForge. Keep in mind that sometimes addon updates will break craft, especially when parts are deleted from mod packs. This may not become apparent until you switch focus to a craft that has that particular part (at which point it may explode or simply fall apart).
  • Make sure your KSP installation hasn't be damaged by applying addons. Try reinstalling KSP if nothing else helps.
  • TIP: Always backup (Copy and move to a new folder) your original KSP installation files, save files and ships to prevent loss!

Nothing happens when I click on the "Resume Saved" button in the main menu!

This is usually caused by corrupted saves files. Open the KSP/saves folder and try moving all of the folders (except for scenarios and training) somewhere else. Then move them back one at a time and see if the button works again after each one. If it doesn't work, the last save folder you copied is corrupt. Your progress on that save is probably lost, however there are two things you can do:

  1. Replace the current state with that of a quicksave or autosave: Go into the folder for the corrupted save (KSP/saves/SAVENAME) and rename the persistent.sfs file to persistent2.sfs, so KSP will ignore it. Then rename quicksave.sfs to persistent.sfs. This will reset your current progress to that of the last quicksave or autosave. If the save file still won't load, your current missions can't be recovered, unless you know how to repair the files manually.
  2. Copy the craft from the corrupted save to another one: Go to the Ships folders in the corrupted and an intact save's folders. Then copy the contents of the SPH and VAB folders from the corrupt save to the corresponding folders of the intact save. You should then be able to load the craft in the intact save file.

Remember that multiple saves could be corrupt, so you might have to repeat the procedure!

Nothing happens when I click on the "Load" button in the VAB/SPH!

This is also caused by corrupted files. You will have to follow a similar procedure as described above:

Go to the craft folder of the save on which the problem occurred (KSP/saves/SAVENAME/Ships) and you will find two folders: VAB (Vehicle Assembly Building craft) and SPH (Spaceplane Hangar craft). Move all the .craft files from the folder in question somewhere else, then move them back one at a time, and see if the button works again. If it does not, the last file you copied is corrupt and you will have to delete it, unless you know how to fix it manually.

Remember that there could be multiple corrupted files, so you might have to repeat the procedure.

Can I get older KSP versions back?

Yes, the last stable version before the current one can still be downloaded on your profile page at the KSP store, where you will find it on the same page as the current version. Any versions before that one cannot be downloaded anymore though.

Gameplay Related

General

Is there a list of key bindings?

Yes. Please see Key bindings.

How do I get things into orbit/land on a planet?

See our Tutorials for more info.

Can I change the order of the stages?

Yes, just drag the stage or the part where you want. You can do this in flight as well as in the VAB.

What's the difference between S.A.S and Advanced S.A.S?

Since version 0.21 there has been no difference between them. The previous function of ASAS,to hold the heading, was moved to the SAS while the SAS instead became reaction wheels which provide torque. Like before with ASAS, only one SAS module per ship is required, its performance depends on amount and positioning of the control systems like RCS.

Why do parts of my rocket fall when I launch it?

Your rocket may have too much weight being supported by a weak joint. Make sure that every part of your rocket is resting on something strong enough to hold its weight, or that it is supported by enough connections to keep it in place.

Can I take screenshots of the game?

Yes! Pressing F1 will take a screenshot of the current scene. The screenshots will be saved in a folder called "Screenshots" that is located in the root folder of your KSP install.

  • Tip: Toggle the marks of ships with F4 or toggle the entire UI with F2 to take less cluttered screenshots.

Additional methods are possible, depending on your OS and installation method. (eg: Steam users can use F12)

How can I recover ships/Kerbonauts that have safely landed after a mission?

The altimeter with the recovery button above it

After a successful flight mission and landing back on planet Kerbin, you can:

  • Move the mouse over the altitude meter, then click the green Recover button that shows up.

Or:

  • Return to the main Kerbal Space Center view.
  • Select the Tracking Station (building near the bottom right).
  • Select the completed flight mission from the left.
  • Click on the Recover button near the bottom left.

Why I can't activate the next stage?

There are several reasons this might happen:

  • You have locked the stages by pressing Mod+L. Press it again to re-enable staging.
  • You're in Docking Mode.
  • There isn't any active command pod. If it's an unmanned ship, it may have run out of electric charge. If it's a manned ship, the crew may have all exited the vehicle.
  • Your mouse is hovering over the staging viewer and editor on the left.
  • You're in Time Warp.

Why I can't control the ship anymore?

Please check if:

Why I can't do the Time Warp/save the current progress?

Please check if:

  • The throttle is not at 0%. Press ^ Ctrl to gradually lower it, or X to drop it to 0% immediately.
  • Your ship is spinning too fast.
  • You're flying in atmosphere.
  • You're moving over the terrain.
  • Your ship is completely destroyed. (I'm sorry for that, once again.)

Flight

How do I stabilize the ship?

The easiest way is to enable SAS. Press T to toggle it on; it will gradually stop your ship from spinning. You can also hold F to momentarily enable SAS.

You must have some electric charge available for SAS to function.

How do I use RCS?

See RCS for the basics.

How do I transfer fuel between tanks?

Hold the modifier key and right click the two tanks. You can then click In or Out on either tank to specify the direction of fuel flow.

  • Tip: Remember that liquid fuel and oxidizer are two separate resources and must both be transferred together.
  • Tip: Transferring will not be available if you select tanks containing different types of fuel.
  • Tip: In Career mode, transferring requires an upgrade of the R&D building.

Can I use Physics Warp while in space?

Yes. You can toggle the Physics Warp by pressing Mod+, and Mod+..

  • Tip: Physics warp can make your spacecraft more fragile. Be careful when using it with engines throttled up.

Can the object filter in Tracking Station be shown in Map View?

Yes. Move the mouse to the top of the screen and it will drop down.

Can I filter for multiple types of objects at the same time?

Yes, you can right-click the filters to select more than one of them.

Can I rename a vehicle?

Right-click an active command module, then click "Rename Vehicle". You'll be able to change the name and the type of this vehicle. Alternatively, you can rename it from the tracking station by selecting it and clicking its name on the info panel, on the right-side of the screen.

Why doesn't the orientation of the navball follow what I want it to be?

The direction of the navball depends on which part of the ship you are controlling it from. You can change it by right clicking any command module or docking port then clicking "Control from Here"; the navball will then point in the same direction as the selected part. If you have tried all the command modules and docking ports and none of them have the orientation you want, then you must go back to the VAB or SPH and add a new one to allow it (Sorry!).

Can I see the ship at different angles?

By right clicking and drag you can make the camera orbit the ship, and by middle clicking and drag you can change the direction of the camera within a limited range.

Press V to change the camera mode (Auto/Free/Orbit/Chase). Press C to switch between external view and IVA view.

How do I make Flight Planning more precise during interplanetary transfer?

You can try opening settings.cfg in game folder with Notepad and change "CONIC_PATCH_DRAW_MODE = 3" to "CONIC_PATCH_DRAW_MODE = 0". This will make each trajectory drawn at the current position of celestial bodies, so that you can focus the celestial body you're planning to reach.

As of version 0.23.5 this has been exposed as part of the stock game. If you change your focus to a body whose SOI you will enter in the future (double-click on it, right click on it and select “Focus View”, or press Tab repeatedly) you will see the trajectory your craft will follow once it arrives. You can return focus to your ship by pressing Delete.

Can trajectory prediction work with more SOI changes?

Trajectory prediction is limited to 2 SOI changes (3 conics trajectories) after the last maneuver nodes. Set a maneuver node on the end of your trajectory, the prediction should extend to more SOI. Due to the limits of the game's mathematics, orbit predictions beyond 3 SOI changes will be less accurate than nearer ones. It's also possible without maneuver nodes by replacing the number in "CONIC_PATCH_LIMIT = 3" in the settings.cfg with a higher value.

Ground

Why does my rover "lift itself" in low-gravity environments?

In low gravity, the powerful motors on rover wheels can exert so much force that they kick the wheels out from under the vehicle. Wheelies are all too easy in low gravity!

  • Accelerate and brake carefully, with short taps of the forward and backwards keys, to avoid this.
  • Don't turn too sharply at high speed or the rover may tip over. Slow down before turning, or turn more gradually.

One other cause of rover flipping is activating reaction wheels while driving. You can make reaction wheels no longer work by doing any of the following actions:

  • Switch to Docking Mode;
  • Disable SAS.
  • Right click the parts with reaction wheels, then click "Toggle Torque".
  • Rebind the rover control keys away from the attitude control keys. Enter the Main Menu, click Settings, then Input, then Rovers. Change the controls of rovers from WSAD to something other, like IKJL.

Why do the wheels of my rover break?

It's because your velocity over surface is beyond the maximum velocity of the wheel, or your wheel hit the ground too hard.

You can repair the wheel by walking a Kerbanaut near it, then right clicking on the wheel and clicking "Repair Wheel".

EVA

I'm floating away into space! How do I get back inside the ship?

Press R to activate your kerbonaut's RCS backpack; the proper keys will now make the kerbonaut move in each of the cardinal directions. Each manned command module has a hatch and small ladder mounted on one side; find where it is and carefully fly towards it. Once the kerbonaut is within a meter or so of the hatch, a prompt will appear to press F; press it and he/she should grab the ladder. Press B to finish boarding or move along the ladder until the boarding prompt appears.

Why does my Kerbal always walk with the back to the camera?

Press Mod to switch to free-walking mode.

Can Kerbals jump in different directions when on ladders?

Press Shift + (WSAD) + Space. Press Shift+Space to jump backward, Shift+A to jump to the left, etc.

How can I orient Kerbals to the direction of camera?

Make sure the jet pack is activated, then press Space.

How can I orient Kerbals to an other direction that the one of the camera?

Press A/E to "yaw", left click and drag to "pitch"/"roll". Make sure you disabled EVAs Auto-Rotate to Camera in your settings (input/other) or the orientation will reset the next translationnal move you make.

Why do some Kerbals laugh during the entire mission, while others panic easily?

Each Kerbal is rated on his "courage" and "stupidity"; the different levels of each attribute determine his reaction to flight events. Some, such as Jebediah, are also considered "badass" and will laugh in the face of all but the biggest calamities. (This is controlled by a secret flag named "badS" in the configuration files behind the scenes.)

VAB/SPH

Can I undo/redo my actions?

Yes, by pressing ^ Ctrl+Z and ^ Ctrl+Y.

Can I rotate the parts?

Yes, by pressing QEWSAD you will be able to rotate parts by 90° and by pressing Shift + (QEWSAD) you will rotate parts by 5°. There is also move tools in the upper left corner of the VAB.

All right, I know you haven't read Key bindings.

How do I transfer a craft between the VAB and the SPH?

The .craft files you made are located in \saves\*The name of the save*\Ships\VAB and \saves\*The name of the save*\Ships\SPH. Any .craft file in these two folders will be shown in corresponding buildings, no matter what type it is. As for the type, you can edit the file with Notepad, change "type = VAB" or "type = SPH" to change the type of the craft permanently.

As of version 0.22, you can also use the subassembly system to move part groups, including nearly-complete craft, between the two areas.

As of version 0.90, you can load craft of both types in both buildings.

How do I transfer a craft between savegames?

The .craft files you made are located in \saves\*The name of the save*\Ships\VAB and \saves\*The name of the save*\Ships\SPH.

Development Related

What happened to Experimental Releases?

In order to improve quality, Squad has created an internal team of community members hand-picked for their ability to post useful bug reports. Experimental releases are now only available to this team.

How can I join the Experimental team?

Community members are chosen by Squad, so one cannot join the team by asking. Having a knack for posting informative, clear bug reports with reproduction steps, logs, version of the game, etc. will definitely help your chances, though.

I think I've found a bug!

In a piece of software so early in development as KSP, it's very likely there will be bugs in the program. If you've found something that can potentially be a bug, you can report it to the Dev team on the Squad Bugtracker. To make your report easier to identify as a bug, please follow the Guidelines to Bug Reporting, and please check to see if there aren't other reports about the same issue already.

When is the next version coming out?

There are no fixed release dates for new versions. There may be announcements for new versions on the dev blog though.

Is there multiplayer?

Not at this time, nor is it being considered until the game's development is complete. Main issues with implementing multiplayer deal with handling time warp for all players. It may be released as a DLC at some point, so please do not post suggestions for multiplayer in the development suggestions forum at this time. Current community-posted ideas and unsupported implementations can be found in the multiplayer article.

Wiki

Why don't some characters appear correctly in the Wiki?

This isn't a problem for anyone using Firefox, Linux/Mac, or who have installed a font that fully supports Unicode (or a program that includes such a font), but is a problem for many Google Chrome users, because Chrome on Windows only uses the currently installed fonts to render characters, and defaults to a missing character symbol if no fonts support it. These symbols are in the "Miscellaneous Symbols" Unicode block, which is largely unsupported by the default Windows fonts (Arial only renders 12 of the 256 characters in the block). They are actually supported by the version of the font "Segoe UI Symbol" included by default in Windows 8, and a patch for Windows 7 was rolled out in 2012 that would update that font to the newer version used in Win8.

Why is my page edit being blocked?

In order to curb spam, the Kerbal Space Program wiki has a spam blacklisting system. If a page edit has any blacklisted terms, you will be unable to post that edit.


This page has not been added to any categories. Please help out by adding categories to it so that it can be listed with similar pages.


Community

Where can I find a list of popular Youtubers dedicated to KSP episode production?

Please see the Kerbal Space Program Media Page for details on currently popular Youtube producers, Twitch broadcasters, and other dedicated KSP media providers.