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MaxZhao

Navball dv indicator keeps on increasing

Question

I've been doing some interplanetary missions but it seems that there's something wrong with the delta v bar next to the navball.  The delta v needed for the maneuver keeps on increasing. Although the patch conics does not seem to change. Anyone kind enough to give some suggestions?

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13 answers to this question

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If this happens during a burn, it usually means you're facing the wrong direction.

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This happens even when a maneuver node is created with 0 dv, it still persistently increase:confused:

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Another possibility is that you're dipping into an atmosphere. The drag would slow you down, so you have to burn that much more to catch up to where you were.

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Posted (edited)

19 minutes ago, HebaruSan said:

If this happens during a burn, it usually means you're facing the wrong direction.

No, all engines deactivated, no RCS no SAS. Neither am i in the atmosphere.

Here is the log. I'll see what I can do to troubleshoot this. I see some spams from another mod in the console but I don't think it's related.

Edited by MaxZhao

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Posted (edited)

I'm experiencing the same thing - dV just keeps changing with time (usually growing but sometimes going down). Using nodes is next to impossible when this happens.

I can see you're also running a heavily modded install and many of our mods are the same - my list is here:

Spoiler

taken from the log. Is there a better way to list all the mods installed btw?

 

Mod DLLs found:
Stock assembly: Assembly-CSharp v1.0.0.0
ModuleManager.2.7.5 v2.7.5.0
MiniAVC v1.0.3.2
aaa_Toolbar v1.0.0.0 / v1.7.13.0
MiniAVC v1.0.3.2
USITools v1.0.0.0
AsteroidDay v1.0.0.0
AtmosphereAutopilot v1.5.10.0
AtmosphereAutopilot.UI v1.0.0.0
B9PartSwitch v1.7.1.0
BetterBurnTime v1.0.0.0
BetterCrewAssignment v0.0.0.0
MiniAVC v1.0.3.2
BetterTimeWarp v2.3.6.3
BonVoyage v0.12.0.0
Chatterer v0.9.92.1622
MiniAVC v1.0.3.2
CCK v1.2.1.0
MiniAVC v1.0.3.0
ContractConfigurator v1.0.0.0 / v1.22.2
MiniAVC v1.0.3.0
UnmannedContracts v1.0.5980.31793
CustomBarnKit v1.1.11.0
DistantObject v1.8.1.12781
DMagic v1.3.0.8 / vv1.3.8
ContractParser v1.0.5.0 / vv5.0
ProgressParser v1.0.6.0 / vv6.0
CapCom v1.0.2.5 / vv2.5
ContractsWindow v1.0.7.3 / vv7.3
ContractsWindow.Unity v1.0.7.3
EasyVesselSwitch v1.2.0.0 / v1.2.0 for KSP v1.2
KSPDev_Utils.0.19.0 v0.19.0.0 / v0.19.0 for KSP v1.2
MiniAVC v1.0.3.0
MiniAVC v1.0.3.2
EditorExtensionsRedux v3.3.12.0
EngineLight v1.0.0.0
Firespitter v7.3.6212.36331
FShangarExtender v3.4.9.0
HideEmptyTechTreeNodes v0.7.4.0
MiniAVC v1.0.3.2
JanitorsCloset v0.2.17.1 / v1.0.0.0
KAS v0.6.2.0 / v0.6.2 for KSP 1.2
MiniAVC v1.0.3.1
KIS v1.4.3.0 / v1.4.3 for KSP 1.2
KSPDev_Utils.0.20.0 v0.20.0.0 / v0.20.0 for KSP v1.2
MiniAVC v1.0.3.0
ModularFlightIntegrator v1.0.0.0 / v1.2.4.0
Kopernicus.Components v1.0.0.0
Kopernicus.OnDemand v1.0.0.0
Kopernicus v1.0.0.0
Kopernicus.Parser v1.0.0.0
KRnD v0.0.0.0
MagiCore v1.0.0.0
BetterManeuvering v1.0.2.3 / v2.3
BetterManeuvering.Unity v1.0.2.3
MechJeb2 v2.5.1.0 / vDev #691 Sarbian / v2.6.0.0
MemGraph v1.1.0.3
MiniAVC v1.0.3.2
NavBallDockingAlignmentIndicatorCE v1.0.1.1 / v1.0.0.0
MiniAVC v1.0.3.0
NearFutureElectrical v1.0.0.0
MiniAVC v1.0.3.0
NearFuturePropulsion v0.7.5.17367 / v0.7.5.*
MiniAVC v1.0.3.0
NearFutureSolar v0.4.0.0
MiniAVC v1.0.3.0
MiniAVC v1.0.3.0
FinalFrontier v1.0.0.0
MiniAVC v1.0.3.0
PlanetShine v1.0.6121.34655
PortraitStats v1.0.13.0
ReentryParticleEffect v1.2.0.0
SCANsat v1.6.0.11 / vv16.11
SensibleScreenshot v1.2.3.0
MiniAVC v1.0.3.0
SigmaBinary v1.0.0.0
Stock assembly: KSPSteamCtrlr v0.0.1.35
Stock assembly: Steamworks.NET v9.0.0.0 / v9.0.0
MiniAVC v1.0.3.0
StationScience v1.0.0.0
Strategia v1.0.0.0 / v1.5.0
SEPScience v1.2.1.3 / v2.1.3
SEPScience.Unity v1.2.1.3
SurfaceExperimentPack v1.4.2.0
MiniAVC v1.0.3.2
TakeCommand v1.4.8.0 / v1.4.0.0
MiniAVC v1.0.3.2
TarsierSpaceTech v6.6.1.0
TextureReplacer v2.5.4.0
MiniAVC v1.0.3.2
ToadicusTools v0.22.0.0
MiniAVC v1.0.3.2
TotalTime v0.6.4.2
KerbalAlarmClock v3.8.4.0
TransferWindowPlanner v1.6.1.0
MiniAVC v1.0.3.2
TweakableDeployablePanels v0.1.19.1
TweakableDockingNode v0.1.19.1
TweakableEVA v0.1.19.1
TweakableFuelPumps v0.1.16.1
TweakableGimbals v0.1.19.1
TweakableIntakes v0.1.19.1
TweakableParachutes v0.1.19.1
TweakableReactionWheels v0.1.19.1
TweakableSAS v0.1.19.1
MiniAVC v1.0.3.0
MiniAVC v1.0.3.2
VanguardTechnologies v0.1.12.0 / v1.0.0.0
WaypointManager v1.0.0.0 / v2.6.2
MiniAVC v1.0.3.0
[x] Science! v5.6.6303.22012

 

I'm removing RealChute now, let's see if this still happens

 

EDIT: It helped! I'll keep playing to see whether it stays permanent.

by the way - you're using Trajectories mod and I read in its thread that it's too inaccurate to use

Edited by Raphaello
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Realchutes shouldn't be causing an issue like this, I've been using it since .23 and it's never done that to me.

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I'll play a bit more to see whether the issue appears again. There are two possibilities:

1. I'm soooooooooo unlucky

2. issue is caused not by realchute itself but by it conflicting with another mod.

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2 hours ago, Raphaello said:

I'm experiencing the same thing - dV just keeps changing with time (usually growing but sometimes going down). Using nodes is next to impossible when this happens.

I can see you're also running a heavily modded install and many of our mods are the same - my list is here:

  Reveal hidden contents

taken from the log. Is there a better way to list all the mods installed btw?

 

Mod DLLs found:
Stock assembly: Assembly-CSharp v1.0.0.0
ModuleManager.2.7.5 v2.7.5.0
MiniAVC v1.0.3.2
aaa_Toolbar v1.0.0.0 / v1.7.13.0
MiniAVC v1.0.3.2
USITools v1.0.0.0
AsteroidDay v1.0.0.0
AtmosphereAutopilot v1.5.10.0
AtmosphereAutopilot.UI v1.0.0.0
B9PartSwitch v1.7.1.0
BetterBurnTime v1.0.0.0
BetterCrewAssignment v0.0.0.0
MiniAVC v1.0.3.2
BetterTimeWarp v2.3.6.3
BonVoyage v0.12.0.0
Chatterer v0.9.92.1622
MiniAVC v1.0.3.2
CCK v1.2.1.0
MiniAVC v1.0.3.0
ContractConfigurator v1.0.0.0 / v1.22.2
MiniAVC v1.0.3.0
UnmannedContracts v1.0.5980.31793
CustomBarnKit v1.1.11.0
DistantObject v1.8.1.12781
DMagic v1.3.0.8 / vv1.3.8
ContractParser v1.0.5.0 / vv5.0
ProgressParser v1.0.6.0 / vv6.0
CapCom v1.0.2.5 / vv2.5
ContractsWindow v1.0.7.3 / vv7.3
ContractsWindow.Unity v1.0.7.3
EasyVesselSwitch v1.2.0.0 / v1.2.0 for KSP v1.2
KSPDev_Utils.0.19.0 v0.19.0.0 / v0.19.0 for KSP v1.2
MiniAVC v1.0.3.0
MiniAVC v1.0.3.2
EditorExtensionsRedux v3.3.12.0
EngineLight v1.0.0.0
Firespitter v7.3.6212.36331
FShangarExtender v3.4.9.0
HideEmptyTechTreeNodes v0.7.4.0
MiniAVC v1.0.3.2
JanitorsCloset v0.2.17.1 / v1.0.0.0
KAS v0.6.2.0 / v0.6.2 for KSP 1.2
MiniAVC v1.0.3.1
KIS v1.4.3.0 / v1.4.3 for KSP 1.2
KSPDev_Utils.0.20.0 v0.20.0.0 / v0.20.0 for KSP v1.2
MiniAVC v1.0.3.0
ModularFlightIntegrator v1.0.0.0 / v1.2.4.0
Kopernicus.Components v1.0.0.0
Kopernicus.OnDemand v1.0.0.0
Kopernicus v1.0.0.0
Kopernicus.Parser v1.0.0.0
KRnD v0.0.0.0
MagiCore v1.0.0.0
BetterManeuvering v1.0.2.3 / v2.3
BetterManeuvering.Unity v1.0.2.3
MechJeb2 v2.5.1.0 / vDev #691 Sarbian / v2.6.0.0
MemGraph v1.1.0.3
MiniAVC v1.0.3.2
NavBallDockingAlignmentIndicatorCE v1.0.1.1 / v1.0.0.0
MiniAVC v1.0.3.0
NearFutureElectrical v1.0.0.0
MiniAVC v1.0.3.0
NearFuturePropulsion v0.7.5.17367 / v0.7.5.*
MiniAVC v1.0.3.0
NearFutureSolar v0.4.0.0
MiniAVC v1.0.3.0
MiniAVC v1.0.3.0
FinalFrontier v1.0.0.0
MiniAVC v1.0.3.0
PlanetShine v1.0.6121.34655
PortraitStats v1.0.13.0
ReentryParticleEffect v1.2.0.0
SCANsat v1.6.0.11 / vv16.11
SensibleScreenshot v1.2.3.0
MiniAVC v1.0.3.0
SigmaBinary v1.0.0.0
Stock assembly: KSPSteamCtrlr v0.0.1.35
Stock assembly: Steamworks.NET v9.0.0.0 / v9.0.0
MiniAVC v1.0.3.0
StationScience v1.0.0.0
Strategia v1.0.0.0 / v1.5.0
SEPScience v1.2.1.3 / v2.1.3
SEPScience.Unity v1.2.1.3
SurfaceExperimentPack v1.4.2.0
MiniAVC v1.0.3.2
TakeCommand v1.4.8.0 / v1.4.0.0
MiniAVC v1.0.3.2
TarsierSpaceTech v6.6.1.0
TextureReplacer v2.5.4.0
MiniAVC v1.0.3.2
ToadicusTools v0.22.0.0
MiniAVC v1.0.3.2
TotalTime v0.6.4.2
KerbalAlarmClock v3.8.4.0
TransferWindowPlanner v1.6.1.0
MiniAVC v1.0.3.2
TweakableDeployablePanels v0.1.19.1
TweakableDockingNode v0.1.19.1
TweakableEVA v0.1.19.1
TweakableFuelPumps v0.1.16.1
TweakableGimbals v0.1.19.1
TweakableIntakes v0.1.19.1
TweakableParachutes v0.1.19.1
TweakableReactionWheels v0.1.19.1
TweakableSAS v0.1.19.1
MiniAVC v1.0.3.0
MiniAVC v1.0.3.2
VanguardTechnologies v0.1.12.0 / v1.0.0.0
WaypointManager v1.0.0.0 / v2.6.2
MiniAVC v1.0.3.0
[x] Science! v5.6.6303.22012

 

I'm removing RealChute now, let's see if this still happens

 

EDIT: It helped! I'll keep playing to see whether it stays permanent.

by the way - you're using Trajectories mod and I read in its thread that it's too inaccurate to use

 

Actually from my own experience trajectories is not that bad. It does have a larger margin of error than before but since I'm doing powered landing there's nothing too major to be adjusted in situ.

Thanks a lot for the suggestion. I'll try if removing it helps. Although it's very odd that realchute will cause issues in space.:o

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Posted (edited)

OK, I confirm it's not RealChute - previously the bug was gone after I restarted KSP but after some time (1h, I guess) spent playing it appeared again. Restarting KSP solved the issue again.

One more observation - when I restarted KSP after having the bug the game crashed when exiting to Windows. 2nd run was quite fast (10min, just one ship played) and there was no crash during exit. Dunno if this is related though.

Edited by Raphaello

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I'm still trying to find the root cause by removing some mods and then playing again. No luck so far.

I have also noticed that whenever the bug appears then maneuver nodes seem to be completely broken - they become completely unreliable and timewarping to them usually overshoots by quite a long time.

The crashes however were caused by steam dll which I deleted and no crashes occur anymore :)

@MaxZhao any progress on your side?

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20 minutes ago, Raphaello said:

I'm still trying to find the root cause by removing some mods and then playing again. No luck so far.

I have also noticed that whenever the bug appears then maneuver nodes seem to be completely broken - they become completely unreliable and timewarping to them usually overshoots by quite a long time.

The crashes however were caused by steam dll which I deleted and no crashes occur anymore :)

@MaxZhao any progress on your side?

 

Not much progress, however, a few observations where made.

First, the further in the future the maneuver nodes are, the higher the chances of this happening is.

Second. Reducing the number of conic patches seems to have reduced the rate at which dv indicator increases.

Hope this post will be seen by people more capable of troubleshooting than I am:D

Thanks for the effort too, @Raphaello

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Posted (edited)

I had this issue as well, after much testing it turned out to be the BTW (better time warp) experimental "lossless physiscs" option. Disabling that again fixed it for me.

Edited by Jognt

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