Difference between revisions of "Extra-Vehicular Activity"

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[[File:IconEVA.png|left|link=]][[File:Kerbal on jetpack.jpg|thumb|Kerbal on jetpack]]
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[[File:Kerbal on jetpack.jpg|thumb|Kerbal on jetpack]]
An '''extra-vehicular activity''' or '''EVA''' is an activity outside the craft. [[Kerbal]]s can leave the (relative) safety of their [[Command module|capsule]] and venture out into the world to perform maintenance tasks, perform [[science]], or simply go exploring.
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'''Extra-vehicular activity''' (abbr. '''EVA''') is any activity performed by a [[kerbonaut]] when outside of a [[command pod]]. [[Kerbals]] have the ability to leave their pods and walk on the surface of a [[celestial body]], collect [[science|scientific experiments]], and perform untethered spacewalks. The Kerbals can navigate outside their spacecraft by climbing [[ladder]]s, walking, or using their personal [[RCS]] jetpacks, which have a Δv of 600 m/s RCS fuel that is completely restored upon entering a [[command pod]]. An EVA suit can carry 5 units of EVA propellant, and as of the 1.11 update, up to 8 units with an EVA propellant tank. Prior to that version the jetpack fuel was represented by an arbitrary percentage that did not correspond to any other resource. Along with the change [[monopropellant]] was meant to be deducted from the spacecraft's tanks and place a cap on any given mission's EVA capability. However, a bug prevents that deduction from taking place, so jetpacks can still be refueled an unlimited number of times.
  
To start an EVA, open the exterior (default) view of a manned spacecraft by pressing {{Key press|C}} and then either left click on the capsule door or mouse over the images in the lower right corner and click the EVA button. To re-enter the capsule, approach the door and press {{Key press|F}}. The Kerbals can navigate outside their spacecraft by climbing [[ladder]]s, walking, or using their personal [[RCS]] jetpacks, which have a Δv of 600 m/s RCS fuel that is completely restored upon entering a [[command pod]]. With {{version|0.23}} an EVA suit can carry 5 units of EVA propellant. Prior to that version the jetpack fuel was represented by an arbitrary percentage that did not correspond to any other resource. Along with the change [[monopropellant]] was meant to be deducted from the spacecraft's tanks and place a cap on any given mission's EVA capability. However, a bug prevents that deduction from taking place, so jetpacks can still be refueled an unlimited number of times.
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Jetpacking is impossible in more than 3.2&nbsp;m/s<sup>2</sup> gravity, including [[Kerbin]], [[Eve]], [[Laythe]] and [[Tylo]]. The largest planet on which the jetpack can lift a Kerbal off the ground is [[Duna]]. The engines of the jetpack have a thrust of about 270 newtons, which is slightly more than a quarter of the maximum thrust available by the stock [[RCS]] thrusters.
 
 
Jetpacking is impossible in more than 3.2&nbsp;m/s<sup>2</sup> gravity, excluding [[Kerbin]], [[Eve]], [[Laythe]] and [[Tylo]]. The largest planet on which the jetpack can lift a Kerbal off the ground is [[Duna]]. The engines of the jetpack have a thrust of about 270 newtons, which is slightly more than a quarter of the maximum thrust available by the stock [[RCS]] thrusters.
 
 
 
A new version of the EVA suit has been announced. An image showing a fact sheet of the changes is already available.<ref>“[http://kerbaldevteam.tumblr.com/post/93338999759/a-closer-look-at-the-new-eva-suit-for-cinematics A Closer Look at the New EVA Suit for Cinematics]” on the dev blog</ref>
 
  
 
==Uses==
 
==Uses==
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These are the tasks that may be performed:
 
These are the tasks that may be performed:
*Repack a previously deployed parachute for another deployment ''(Right-click on parachute → Repack Chute)''.<sup>(Engineer level 1)</sup>
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*Repack a previously deployed parachute for another deployment ''(Right-click on parachute → Repack Chute)''.<sup>([[Engineer]] level 1)</sup>
 +
*Use an [[EVA Repair Kit]] to repair a broken deployable part ''(Right click on part → Repair)''.<sup>([[Engineer]] level 1)</sup>
 
*Fix broken [[landing gear|landing leg]] ''(Right-click on leg → Repair Leg)''. For this to succeed the leg must be only mildly damaged; a leg which has exploded or detached from the lander cannot be recovered.<sup>(Engineer level 2)</sup>
 
*Fix broken [[landing gear|landing leg]] ''(Right-click on leg → Repair Leg)''. For this to succeed the leg must be only mildly damaged; a leg which has exploded or detached from the lander cannot be recovered.<sup>(Engineer level 2)</sup>
 
*Fix broken [[rover]] wheels ''(Right-click on wheel → Repair Wheel)''. For this to succeed the wheel must be only mildly damaged; a wheel which has exploded or detached from the ship cannot be recovered.<sup>(Engineer level 3)</sup>
 
*Fix broken [[rover]] wheels ''(Right-click on wheel → Repair Wheel)''. For this to succeed the wheel must be only mildly damaged; a wheel which has exploded or detached from the ship cannot be recovered.<sup>(Engineer level 3)</sup>
 
*Extend or retract solar panels ''(Right-click on panel → Extend Panel/Retract Panel)'', even panels on otherwise uncontrollable vessels, e.g. a probe that ran out of power.
 
*Extend or retract solar panels ''(Right-click on panel → Extend Panel/Retract Panel)'', even panels on otherwise uncontrollable vessels, e.g. a probe that ran out of power.
 +
*Extend or retract ladders ''(Right-click on ladder → Extend Ladder/Retract Ladder)''
 
*Plant a [[Extend-o-matic Series A1 Deployable Flag]] (commonly called ''flag'') at their current position ''(Right-click on Kerbal → Plant Flag)''. This is only possible when the kerbal stands on the ground. Each kerbal is equipped with a single flag at the start of every EVA.<sup>([[Astronaut Complex]] upgraded to level 2)</sup>
 
*Plant a [[Extend-o-matic Series A1 Deployable Flag]] (commonly called ''flag'') at their current position ''(Right-click on Kerbal → Plant Flag)''. This is only possible when the kerbal stands on the ground. Each kerbal is equipped with a single flag at the start of every EVA.<sup>([[Astronaut Complex]] upgraded to level 2)</sup>
 
*Remove a previously planted flag ''(Right-click on flag → Remove Flag)''. The flag goes into their inventory and may be replanted at a new location.
 
*Remove a previously planted flag ''(Right-click on flag → Remove Flag)''. The flag goes into their inventory and may be replanted at a new location.
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*Produce an [[science|EVA report]]. Reports may be generated repeatedly during an EVA but only one may be returned to the ship for transmission at a time.
 
*Produce an [[science|EVA report]]. Reports may be generated repeatedly during an EVA but only one may be returned to the ship for transmission at a time.
 
*Gather a [[science|surface sample]]. Surface samples can only be taken when the kerbal swims or stands on the terrain of a celestial body, and only one may be returned to the ship at a time.<sup>([[Research and Development|R&D]] upgraded to level 2)</sup>
 
*Gather a [[science|surface sample]]. Surface samples can only be taken when the kerbal swims or stands on the terrain of a celestial body, and only one may be returned to the ship at a time.<sup>([[Research and Development|R&D]] upgraded to level 2)</sup>
*Take the scientific results from experiments and store them in a [[command pod]]. When the part is only reusable with the [[lab]] this will block the part as well.
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*Use an [[EVA Experiments Kit]] to conduct EVA Science. Only one experiment can be held at a time, although the experiment can be discarded to re-perform the EVA Science.
 +
*Take the scientific results from experiments or cabins and store them in a [[command pod]] or [[lab]]. When the part is only reusable with cleaning by the lab or an restoration on EVA, this will block the part as well.
 +
*Restoring used [[environmental sensor]]s for reuse. ''(Right-click on sensor → Restore)''.<sup>([[scientist]])</sup>
 +
*Place or move parts in [[EVA Construction Mode]]
 +
*If you planned poorly or just burned too much and you do not have enough fuel to de-orbit, assuming you're actually orbiting the planet you want to be on, a Kerbal can disembark and use his RCS jetpack to provide a retrograde push and eventually allow a spacecraft to land.  It might take a while, but the time spent pushing the spacecraft out of orbit might be a more attractive investment than financing another spaceflight to rescue your unfortunate astronaut(s).  It will probably take multiple EVAs, and depending on your opinion of how RCS jetpacks refill without taxing the spacecraft's resources could be cheaty.  Remember to save enough monopropellant to get back on board!
  
 
==Controls==
 
==Controls==
 +
 +
Regardless of whether you're on the ground or in the air, pressing {{Key press|U}} will toggle the spacesuit's lights ({{Key press|L}} was used before [[1.2.1]]).
  
 
===Ground===
 
===Ground===
  
When a Kerbal on EVA is standing on a solid surface, the {{Key press|W}}, {{Key press|S}}, {{Key press|A}}, and {{Key press|D}} keys move him forward, backwards, left, or right respectively. Note that this is relative to the camera, not to the Kerbal himself- he will turn to move in the requested direction. {{Key press|Space}} will make him jump, and holding down {{Key press|Shift}} will allow him to run. Kerbals can also swim in bodies of water or other liquids they encounter; the movement controls are the same as on solid ground.
+
When a Kerbal on EVA is standing on a solid surface, the {{Key press|W}}, {{Key press|S}}, {{Key press|A}}, and {{Key press|D}} keys move him forward, backwards, left, or right respectively. The movement is relative to the camera, not relative to the Kerbal and they will turn to move in the requested direction if the camera was moved. {{Key press|Space}} will make them jump, and holding down {{Key press|Shift}} will allow them to run. Kerbals can also swim in bodies of water or other liquids they encounter; the movement controls are the same as on solid ground.
  
 
===Free fall===
 
===Free fall===
  
When a kerbonaut loses his footing, jumps, or releases his grip on a vehicle in zero gravity, he enters free fall. The controls function somewhat differently in this situation.
+
When a kerbonaut loses his footing, jumps, or releases a grip on a vehicle, she enters free fall. The controls function somewhat differently in this situation.
 +
 
 +
The most important control in EVA may be this:  {{Key press|Space}} will rotate the active Kerbal to match the camera direction (placing his back to you), and align her head/foot axis perpendicular to the equatorial plane with the head towards north. Knowing what direction you are pointing is critical to successful EVA.
  
Pressing {{Key press|R}} will activate the Kerbonaut's [[RCS]] jetpack. If he is in midair, he will attempt to automatically reorient himself to face in the same direction as the camera. The jetpack can also be activated while standing on the ground, and on bodies with sufficiently low gravity can launch Kerbals into the air for one-man VTOL flight.
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Pressing {{Key press|R}} will activate a Kerbonaut's [[RCS]] jetpack. She will automatically assume North orientation. Holding the left mouse button and dragging the mouse up/down or left/right will rotate the Kerbal about her left/right or front/back axis.
  
When a Kerbonaut with an active jetpack is freefalling, {{Key press|W}}, {{Key press|S}}, {{Key press|A}}, and {{Key press|D}} still move him, but rather than face the direction of his travel he rotates to face away from the camera whenever a key is pressed. {{Key press|Shift}} and {{Key press|Control}} will move him up and down. {{Key press|Space}} will also rotate him to match the camera direction.
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{{Key press|W}}, {{Key press|S}}, {{Key press|A}}, and {{Key press|D}} will accelerate him respectively forward, backward, left, and right '''relative to the direction he is looking''', and assume North orientation. {{Key press|Shift}}/{{Key press|Control}} and {{Key press|Q}}/{{Key press|E}} will accelerate her up/down or rotate her about her up/down axis, but '''not''' change her head/foot axis. It is therefore possible to do long burns efficiently in the up/down axis of a Kerbal while adjusting the attitude. If you wish to maneuver toward something that is horizontally and vertically away from you while you are in Northward orientation, you will need to combine vertical and horizontal controls. The navball reflects the the camera direction, not the Kerbals attitude. It may be impossible to grab/board a hatch/ladder while not facing it.
  
Additionally, left-clicking on a kerbal and dragging the mouse can be used to rotate the kerbal while on EVA.
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When performing extended EVAs, make sure to check the map display periodically, because although RCS jetpacks do not provide much thrust at all, Kerbals are relatively light and do not need a lot of thrust to significantly impact their velocities.  As a result, although you might be concentrating on maneuvering close to your target or moving around a vessel, you are ultimately affecting your velocity and a Kerbal on EVA is just another thing in orbit.  Make sure that all of your maneuvering does not cause your orbit to decay.  Kerbals are hardy little guys but they don't handle atmosphere re-entry very well on their own.
  
 
===Ladders===
 
===Ladders===
  
Press {{Key press|F}} to grab onto nearby ladders or other handholds (a prompt will be visible onscreen when the kerbal is in a position where this is possible). While holding on, use {{Key press|W}} and {{Key press|S}} to climb up or down, or {{Key press|A}} and {{Key press|D}} to transition to nearby perpendicular ladders. If the Kerbal is clinging to a [[command module]]'s hatch, pressing {{Key press|F}} will board the vehicle. Pressing {{Key press|Space}} while on a ladder will release the kerbonaut's grip, allowing him to fall or float away.
+
Press {{Key press|F}} to grab onto nearby ladders or other handholds (a prompt will be visible onscreen when the kerbal is in a position where this is possible). While holding on, use {{Key press|W}} and {{Key press|S}} to climb up or down, or {{Key press|A}} and {{Key press|D}} to transition to nearby perpendicular ladders. If the Kerbal is clinging to a [[command module]]'s hatch, pressing {{Key press|B}} will board the vehicle. Pressing {{Key press|Space}} while on a ladder will release the kerbonaut's grip, allowing him to fall or float away.
 
 
Finally, pressing {{Key press|L}} will toggle the spacesuit's lights.
 
  
 
==Trivia==
 
==Trivia==
* Kerbals can survive re-entry in [[EAS-1 External Command Seat]]s or floating on their own like anything else, since the game does not implement damage from atmospheric drag or heating. However, the jetpack does not have enough thrust to arrest their fall in [[Kerbin]]'s gravity so without additional equipment they will not survive hitting the ground. However, a glitch/easter egg (a glitch too funny to fix?) may cause a Kerbal hitting the surface of Kerbin (no confirmation in other spots) to BOUNCE. And this can be done reliably by letting the Kerbal hit the ground head-first.
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* In older versions Kerbals could survive re-entry in [[EAS-1 External Command Seat]]s or floating on their own like anything else, since the game had not implemented damage from atmospheric drag or heating. The jetpack does not have enough thrust to arrest their fall in [[Kerbin]]'s gravity so without additional equipment they will not survive hitting the ground. However, a glitch/easter egg may cause a Kerbal hitting the surface of Kerbin (no confirmation in other spots) to bounce. This can be done reliably by letting the Kerbal hit the ground head-first.
* According to the Kerbal Knowledge Base, a Kerbal on EVA masses 0.09 tonnes, but a vehicle's mass does not increase when a Kerbal boards it.
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* According to the Kerbal Knowledge Base, a Kerbal on EVA masses 0.09 tonnes, and as of the 1.11 update, Kerbals now add mass to a vehicle when boarded.
 +
* A Kerbal riding in an [[EAS-1 External Command Seat]] still functions as being on EVA for many gameplay purposes. Amongst other things, the mass of a Kerbal sitting in the Command Seat counts towards the total mass of the craft; if the Command Seat is attached radially, this can even noticeably throw off the centre of mass for small, lightweight craft. Note also that mounting an External Command Seat will ''not'' refill a Kerbal's jetpack fuel supply.
 
* The jetpack can provide enough Δv to place a Kerbal into orbit from the surface of [[Minmus]] or a smaller body.
 
* The jetpack can provide enough Δv to place a Kerbal into orbit from the surface of [[Minmus]] or a smaller body.
 
* Before 0.25, EVA was the only way to transfer a [[Kerbal]] between cabins.
 
* Before 0.25, EVA was the only way to transfer a [[Kerbal]] between cabins.
 +
* Tourists may not perform EVAs.
  
 
==Gallery==
 
==Gallery==
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== Changes ==
 
== Changes ==
;{{Version|0.23|}}
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;[[1.11]]
 +
*Added [[EVA Jetpack]], replacing the built-in RCS Jetpack
 +
 
 +
;[[0.23]]
 
*On EVA the results of experiments can be taken out.
 
*On EVA the results of experiments can be taken out.
;{{Version|0.22|}}
+
;[[0.22]]
 
*Surface samples and EVA reports can be created on EVA.
 
*Surface samples and EVA reports can be created on EVA.
;{{Version|0.19|}}
+
;[[0.19]]
 
*Overhauled the Kerbal Face Expression System with new animations, which are also visible on EVA.
 
*Overhauled the Kerbal Face Expression System with new animations, which are also visible on EVA.
  
;{{Version|0.18.4|}}
+
;[[0.18.4]]
 
*Fixed the EVA map icons not showing.
 
*Fixed the EVA map icons not showing.
 
*Fixed EVA light orientations.
 
*Fixed EVA light orientations.
*Boarding a vessel from EVA no longer toggles the SAS on the vessel.
+
;[[0.18.3]] (Demo)
;{{Version|0.18.3|}} (Demo)
 
 
*Fixed EVA light orientations.
 
*Fixed EVA light orientations.
 
*Boarding a vessel from EVA no longer toggles the vessel's SAS state.
 
*Boarding a vessel from EVA no longer toggles the vessel's SAS state.
  
;{{Version|0.17.1|}}
+
;[[0.17.1]]
 
*The Q and E keys can now be used to control yaw with the EVA Jetpack
 
*The Q and E keys can now be used to control yaw with the EVA Jetpack
 
*Added a game setting to disable the automatic orientation when pressing any of the WSAD keys while jetpacking on EVA.
 
*Added a game setting to disable the automatic orientation when pressing any of the WSAD keys while jetpacking on EVA.
  
;{{Version|0.17|}}
+
;[[0.17]]
 
*Implemented dynamic walk cycle blending for EVA Kerbals under G levels between 0.17 and 1G
 
*Implemented dynamic walk cycle blending for EVA Kerbals under G levels between 0.17 and 1G
 
   
 
   
;{{Version|0.16|}}
+
;[[0.16]]
 
* Initial release
 
* Initial release
 
* Added key and axis bindings for EVA controls. Reorganized the Input Settings screen a little.
 
* Added key and axis bindings for EVA controls. Reorganized the Input Settings screen a little.

Revision as of 20:19, 26 June 2022

Kerbal on jetpack

Extra-vehicular activity (abbr. EVA) is any activity performed by a kerbonaut when outside of a command pod. Kerbals have the ability to leave their pods and walk on the surface of a celestial body, collect scientific experiments, and perform untethered spacewalks. The Kerbals can navigate outside their spacecraft by climbing ladders, walking, or using their personal RCS jetpacks, which have a Δv of 600 m/s RCS fuel that is completely restored upon entering a command pod. An EVA suit can carry 5 units of EVA propellant, and as of the 1.11 update, up to 8 units with an EVA propellant tank. Prior to that version the jetpack fuel was represented by an arbitrary percentage that did not correspond to any other resource. Along with the change monopropellant was meant to be deducted from the spacecraft's tanks and place a cap on any given mission's EVA capability. However, a bug prevents that deduction from taking place, so jetpacks can still be refueled an unlimited number of times.

Jetpacking is impossible in more than 3.2 m/s2 gravity, including Kerbin, Eve, Laythe and Tylo. The largest planet on which the jetpack can lift a Kerbal off the ground is Duna. The engines of the jetpack have a thrust of about 270 newtons, which is slightly more than a quarter of the maximum thrust available by the stock RCS thrusters.

Uses

Jebediah is swimming and could perform experiments

EVAs are useful for exploring the proximity of a craft; Kerbals on EVA can perform several useful actions by standing near certain objects. In career mode some activities can only be performed by a kerbonaut who has reached a certain level in certain specializations, or other improvement needed - this is indicated at the end of the description of the activity. The other game modes have no restrictions.

These are the tasks that may be performed:

  • Repack a previously deployed parachute for another deployment (Right-click on parachute → Repack Chute).(Engineer level 1)
  • Use an EVA Repair Kit to repair a broken deployable part (Right click on part → Repair).(Engineer level 1)
  • Fix broken landing leg (Right-click on leg → Repair Leg). For this to succeed the leg must be only mildly damaged; a leg which has exploded or detached from the lander cannot be recovered.(Engineer level 2)
  • Fix broken rover wheels (Right-click on wheel → Repair Wheel). For this to succeed the wheel must be only mildly damaged; a wheel which has exploded or detached from the ship cannot be recovered.(Engineer level 3)
  • Extend or retract solar panels (Right-click on panel → Extend Panel/Retract Panel), even panels on otherwise uncontrollable vessels, e.g. a probe that ran out of power.
  • Extend or retract ladders (Right-click on ladder → Extend Ladder/Retract Ladder)
  • Plant a Extend-o-matic Series A1 Deployable Flag (commonly called flag) at their current position (Right-click on Kerbal → Plant Flag). This is only possible when the kerbal stands on the ground. Each kerbal is equipped with a single flag at the start of every EVA.(Astronaut Complex upgraded to level 2)
  • Remove a previously planted flag (Right-click on flag → Remove Flag). The flag goes into their inventory and may be replanted at a new location.
  • Read the plaque on a flag. While flags are listed in the Tracking Station and can be controlled and seen up close at any time, having a Kerbal in the vicinity is the only way to read the contents of their plaques.
  • Board any unoccupied command module or EAS-1 External Command Seat- not necessarily the one they launched on. Before version 0.25, EVA was the only way to transfer crew during a mission. However, in version 0.25, a system for transferring crew between crew modules on the same ship was added. Left click on the hatch and click the "Transfer" button next to the name of the Kerbal.
  • Produce an EVA report. Reports may be generated repeatedly during an EVA but only one may be returned to the ship for transmission at a time.
  • Gather a surface sample. Surface samples can only be taken when the kerbal swims or stands on the terrain of a celestial body, and only one may be returned to the ship at a time.(R&D upgraded to level 2)
  • Use an EVA Experiments Kit to conduct EVA Science. Only one experiment can be held at a time, although the experiment can be discarded to re-perform the EVA Science.
  • Take the scientific results from experiments or cabins and store them in a command pod or lab. When the part is only reusable with cleaning by the lab or an restoration on EVA, this will block the part as well.
  • Restoring used environmental sensors for reuse. (Right-click on sensor → Restore).(scientist)
  • Place or move parts in EVA Construction Mode
  • If you planned poorly or just burned too much and you do not have enough fuel to de-orbit, assuming you're actually orbiting the planet you want to be on, a Kerbal can disembark and use his RCS jetpack to provide a retrograde push and eventually allow a spacecraft to land. It might take a while, but the time spent pushing the spacecraft out of orbit might be a more attractive investment than financing another spaceflight to rescue your unfortunate astronaut(s). It will probably take multiple EVAs, and depending on your opinion of how RCS jetpacks refill without taxing the spacecraft's resources could be cheaty. Remember to save enough monopropellant to get back on board!

Controls

Regardless of whether you're on the ground or in the air, pressing U will toggle the spacesuit's lights (L was used before 1.2.1).

Ground

When a Kerbal on EVA is standing on a solid surface, the W, S, A, and D keys move him forward, backwards, left, or right respectively. The movement is relative to the camera, not relative to the Kerbal and they will turn to move in the requested direction if the camera was moved. Space will make them jump, and holding down Shift will allow them to run. Kerbals can also swim in bodies of water or other liquids they encounter; the movement controls are the same as on solid ground.

Free fall

When a kerbonaut loses his footing, jumps, or releases a grip on a vehicle, she enters free fall. The controls function somewhat differently in this situation.

The most important control in EVA may be this: Space will rotate the active Kerbal to match the camera direction (placing his back to you), and align her head/foot axis perpendicular to the equatorial plane with the head towards north. Knowing what direction you are pointing is critical to successful EVA.

Pressing R will activate a Kerbonaut's RCS jetpack. She will automatically assume North orientation. Holding the left mouse button and dragging the mouse up/down or left/right will rotate the Kerbal about her left/right or front/back axis.

W, S, A, and D will accelerate him respectively forward, backward, left, and right relative to the direction he is looking, and assume North orientation. Shift/^ Control and Q/E will accelerate her up/down or rotate her about her up/down axis, but not change her head/foot axis. It is therefore possible to do long burns efficiently in the up/down axis of a Kerbal while adjusting the attitude. If you wish to maneuver toward something that is horizontally and vertically away from you while you are in Northward orientation, you will need to combine vertical and horizontal controls. The navball reflects the the camera direction, not the Kerbals attitude. It may be impossible to grab/board a hatch/ladder while not facing it.

When performing extended EVAs, make sure to check the map display periodically, because although RCS jetpacks do not provide much thrust at all, Kerbals are relatively light and do not need a lot of thrust to significantly impact their velocities. As a result, although you might be concentrating on maneuvering close to your target or moving around a vessel, you are ultimately affecting your velocity and a Kerbal on EVA is just another thing in orbit. Make sure that all of your maneuvering does not cause your orbit to decay. Kerbals are hardy little guys but they don't handle atmosphere re-entry very well on their own.

Ladders

Press F to grab onto nearby ladders or other handholds (a prompt will be visible onscreen when the kerbal is in a position where this is possible). While holding on, use W and S to climb up or down, or A and D to transition to nearby perpendicular ladders. If the Kerbal is clinging to a command module's hatch, pressing B will board the vehicle. Pressing Space while on a ladder will release the kerbonaut's grip, allowing him to fall or float away.

Trivia

  • In older versions Kerbals could survive re-entry in EAS-1 External Command Seats or floating on their own like anything else, since the game had not implemented damage from atmospheric drag or heating. The jetpack does not have enough thrust to arrest their fall in Kerbin's gravity so without additional equipment they will not survive hitting the ground. However, a glitch/easter egg may cause a Kerbal hitting the surface of Kerbin (no confirmation in other spots) to bounce. This can be done reliably by letting the Kerbal hit the ground head-first.
  • According to the Kerbal Knowledge Base, a Kerbal on EVA masses 0.09 tonnes, and as of the 1.11 update, Kerbals now add mass to a vehicle when boarded.
  • A Kerbal riding in an EAS-1 External Command Seat still functions as being on EVA for many gameplay purposes. Amongst other things, the mass of a Kerbal sitting in the Command Seat counts towards the total mass of the craft; if the Command Seat is attached radially, this can even noticeably throw off the centre of mass for small, lightweight craft. Note also that mounting an External Command Seat will not refill a Kerbal's jetpack fuel supply.
  • The jetpack can provide enough Δv to place a Kerbal into orbit from the surface of Minmus or a smaller body.
  • Before 0.25, EVA was the only way to transfer a Kerbal between cabins.
  • Tourists may not perform EVAs.

Gallery

Changes

1.11
0.23
  • On EVA the results of experiments can be taken out.
0.22
  • Surface samples and EVA reports can be created on EVA.
0.19
  • Overhauled the Kerbal Face Expression System with new animations, which are also visible on EVA.
0.18.4
  • Fixed the EVA map icons not showing.
  • Fixed EVA light orientations.
0.18.3 (Demo)
  • Fixed EVA light orientations.
  • Boarding a vessel from EVA no longer toggles the vessel's SAS state.
0.17.1
  • The Q and E keys can now be used to control yaw with the EVA Jetpack
  • Added a game setting to disable the automatic orientation when pressing any of the WSAD keys while jetpacking on EVA.
0.17
  • Implemented dynamic walk cycle blending for EVA Kerbals under G levels between 0.17 and 1G
0.16
  • Initial release
  • Added key and axis bindings for EVA controls. Reorganized the Input Settings screen a little.
  • Added 1:1 EVA rotation axes. Using them disables the automatic orientation system.
  • Added separate control bindings for walking and jetpacking on EVAs.

See also

References