Difference between revisions of "Throttle"
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[[File:NavBallThrottleIndicator.png|right|thumb|Throttle indicator]] | [[File:NavBallThrottleIndicator.png|right|thumb|Throttle indicator]] | ||
| − | The '''throttle''' setting determines the demanded thrust from the engine(s) on the active stage of | + | The '''throttle''' setting determines the demanded thrust from the engine(s) on the active stage of the craft. The throttle may be set anywhere from 0% (or "closed", meaning that engines are inactive) to 100% (or "open", meaning that engines are producing their highest level of thrust). |
The throttle indicator is located to the left of the navball. | The throttle indicator is located to the left of the navball. | ||
== Control == | == Control == | ||
| − | The throttle can be controlled with the {{Key press| | + | The throttle can be controlled with the {{Key press|l shift}} and {{Key press|l ctrl}} keys, which will respectively increase and decrease the throttle. When in [[Intra-Vehicular Activity]] view, the throttle lever in the cockpit can also be used by clicking and dragging it with the mouse. The {{Key press|X}} key will immediately cut the throttle (faster than holding down {{Key press|l ctrl}}); conversely the {{Key press|Z}} key will immediately set the throttle to maximum. When a vessel is first launched from the [[Launch Pad]] or [[Runway]], the throttle is initially set to 50%. |
| − | + | Activating non-physical [[time warp]] will automatically cut the throttle if no engines are firing. If engines are firing, non-physical time warp cannot be used. Physical time warp may be used, but at the risk of destabilizing the ship due to the loss of calculation accuracy while accelerated. | |
== Effects == | == Effects == | ||
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[[Liquid engine]]s are controlled directly by the throttle in the most simple way- the higher the throttle, the more thrust they produce and the more fuel they consume. Higher throttle settings also cause the engine to [[overheating|overheat]], which can lead to explosions if not caught in time. Some engines, most notably the [[mainsail]], cannot be run at 100% throttle for long periods at all. | [[Liquid engine]]s are controlled directly by the throttle in the most simple way- the higher the throttle, the more thrust they produce and the more fuel they consume. Higher throttle settings also cause the engine to [[overheating|overheat]], which can lead to explosions if not caught in time. Some engines, most notably the [[mainsail]], cannot be run at 100% throttle for long periods at all. | ||
| − | [[Jet engine]]s respond to the throttle, but just like real-life jets they exhibit [ | + | [[Jet engine]]s respond to the throttle, but just like real-life jets they exhibit [[w:Throttle response|throttle lag]]. The thrust they produce will adjust slower than the speed at which the throttle is moved and it will take extra time for them to change their power output to match its new position. |
| − | [[Solid rocket booster]]s do not respond to the throttle; once activated by [[stage|staging]] they will instantly produce 100% of their thrust and run continuously until their fuel is exhausted. | + | [[Solid rocket booster]]s do not respond to the throttle at all; once activated by [[stage|staging]] they will instantly produce 100% of their thrust (adjusted by the thrust limiter, only available in the VAB / SPH) and run continuously until their fuel is exhausted. |
| + | |||
| + | == Bugs == | ||
| + | |||
| + | In Linux, if you are using a joystick to control your throttle, only part of the throttle range may be available depending on where the throttle was set when you started KSP.[http://bugs.kerbalspaceprogram.com/issues/490] | ||
Latest revision as of 15:06, 31 August 2017
The throttle setting determines the demanded thrust from the engine(s) on the active stage of the craft. The throttle may be set anywhere from 0% (or "closed", meaning that engines are inactive) to 100% (or "open", meaning that engines are producing their highest level of thrust).
The throttle indicator is located to the left of the navball.
Control
The throttle can be controlled with the ⇧ Left Shift and ^ Left Ctrl keys, which will respectively increase and decrease the throttle. When in Intra-Vehicular Activity view, the throttle lever in the cockpit can also be used by clicking and dragging it with the mouse. The X key will immediately cut the throttle (faster than holding down ^ Left Ctrl); conversely the Z key will immediately set the throttle to maximum. When a vessel is first launched from the Launch Pad or Runway, the throttle is initially set to 50%.
Activating non-physical time warp will automatically cut the throttle if no engines are firing. If engines are firing, non-physical time warp cannot be used. Physical time warp may be used, but at the risk of destabilizing the ship due to the loss of calculation accuracy while accelerated.
Effects
Liquid engines are controlled directly by the throttle in the most simple way- the higher the throttle, the more thrust they produce and the more fuel they consume. Higher throttle settings also cause the engine to overheat, which can lead to explosions if not caught in time. Some engines, most notably the mainsail, cannot be run at 100% throttle for long periods at all.
Jet engines respond to the throttle, but just like real-life jets they exhibit throttle lag. The thrust they produce will adjust slower than the speed at which the throttle is moved and it will take extra time for them to change their power output to match its new position.
Solid rocket boosters do not respond to the throttle at all; once activated by staging they will instantly produce 100% of their thrust (adjusted by the thrust limiter, only available in the VAB / SPH) and run continuously until their fuel is exhausted.
Bugs
In Linux, if you are using a joystick to control your throttle, only part of the throttle range may be available depending on where the throttle was set when you started KSP.[1]
