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Bug #896

Staging and Focusing Issues - Engine Stages Not Firing in Designed Order

Added by King_Killa_C over 11 years ago. Updated over 11 years ago.

Status:
Not a Bug
Severity:
Urgent
Assignee:
-
Category:
Gameplay
Target version:
-
Start date:
07/09/2013
% Done:

0%

Version:
0.20.2
Platform:
Windows
Expansion:
Language:
English (US)
Mod Related:
No
Votes:
Arrow u r green
Arrow d r red

Description

I've built a couple dozen ships at this time, so I'm familiar with how to build a craft.

I haven't been on the game since a recent update (been 3 weeks to a month...ish). I Built a new ship and have been wanting to give it a test run. With all of the staging properly set, and in the correct orders, I went to the launch pad to give it an initial test run. The Stage 1 engines made a whooshing, gas/air sound, but no flame, no lift off. I initiated Stage 2, and separation occurs and the stage 2 engines activate.

Obviously it was a bug, so I restarted the game. Using the same saved ship and having made no adjustments, I gave it another test (screen shots showing the staging and launch attempt are attached). This time, Stage 1 was skipped entirely, and the game immediately skipped to Stage 2, where it separates from Stage 1 and the Stage 2 engines activate.

Additionally, I made a test rocket that upon separation of Stage 1, Stage 2 engages and the craft rockets off. However, I'm stuck with the game focused on the depleted Stage 1, unable to control or focus on Stage 2 or the craft itself. I am stuck, helplessly watching Jebediah Kerman and crew tumble to their death.

This sucks, and needs immediate resolution. The game is currently unplayable.

KSP Build: v0.20.2.186 (Steam)
OS: Win8 x64 (Pro)
GPU: 2x GeForce GTX 560 Ti 2048MB
GPU Driver: 314.22
CPU: i7 3770k
RAM: 16GB

2013-07-09_00001.jpg (289 KB) 2013-07-09_00001.jpg Stage 1 Engines (Highlighted) King_Killa_C, 07/09/2013 06:42 PM
2013-07-09_00002.jpg (287 KB) 2013-07-09_00002.jpg Stage 2 Engines (Highlighted) King_Killa_C, 07/09/2013 06:42 PM
2013-07-09_00003.jpg (288 KB) 2013-07-09_00003.jpg Stage 3 Engines (Highlighted) King_Killa_C, 07/09/2013 06:42 PM
2013-07-09_00005.jpg (167 KB) 2013-07-09_00005.jpg Launch Prep King_Killa_C, 07/09/2013 06:42 PM
2013-07-09_00006.jpg (174 KB) 2013-07-09_00006.jpg Holy Fail Bucket - Let's Just Skip Stage 1, Shall We? King_Killa_C, 07/09/2013 06:42 PM
KKC Space Lander Rocket.craft (137 KB) KKC Space Lander Rocket.craft Craft King_Killa_C, 07/10/2013 07:22 PM
2013-07-10_190134.7z (39.1 KB) 2013-07-10_190134.7z Game Crash Logs King_Killa_C, 07/10/2013 07:22 PM
2013-07-10_00006.jpg (335 KB) 2013-07-10_00006.jpg [email protected] King_Killa_C, 07/10/2013 08:26 PM
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History

#1 Updated by King_Killa_C over 11 years ago

You'll notice when looking at the craft in the Vehicle Assembly Building, that all stages are accounted for. However, look at screen shot 2013-07-09_00005.jpg (Launch Prep).

Notice something missing? All of Stage 1?

#2 Updated by King_Killa_C over 11 years ago

So I reloaded the craft and created a new stage. I moved what "should" be Stage 1 into the "new" Stage 1. I saved the craft then went to the launch pad.

When I attempted launch, I could see all of my stages, as they should be. However, with trust at max., I attempted to launch with Stage 1. I got the same whooshing gas/air sound as previously described, but the engines themselves never fired....

UGH!!!

#3 Updated by rditto48801 over 11 years ago

Are you using a clean install of KSP, with no mods at all? I ask because I noticed stage 0 has two groups of 4 items lacking icons. What are those icons for?

Can you possibly detail how others can recreate these issues? If not, can you provide the craft files for the two craft affected by the staging and focusing issues?

The thing of a stage not triggering after reordering the staging, sounds vaguely familiar to me. I think I have encountered that before (in KSP 0.19.x), but under different circumstances, mainly after undocking and switching to a craft, but the basics are the same since it also involved having to redo staging.
I think one workaround is to place an empty stage and triggering it first, then triggering the stage that normally refuses to trigger right after staging was redone 'in flight'.

#4 Updated by Nachtwind over 11 years ago

Cant confirm here directly.. but i have seen this happening in previous versions when connections between stages broke... do you have the end flight result? Can you upload the craft file?

#5 Updated by King_Killa_C over 11 years ago

I tried to take the ship out to get the end flight, but after Stage 1 failed with the engine "whoosh", Stage 2 separated and crashed. Mid-crash explosion, the game hard freezes on-screen, and there was a crash message in the background.

Attached is the craft file and zipped game crash report.

#6 Updated by King_Killa_C over 11 years ago

1084

rditto48801 wrote:

Are you using a clean install of KSP, with no mods at all? I ask because I noticed stage 0 has two groups of 4 items lacking icons. What are those icons for?

Can you possibly detail how others can recreate these issues? If not, can you provide the craft files for the two craft affected by the staging and focusing issues?

The thing of a stage not triggering after reordering the staging, sounds vaguely familiar to me. I think I have encountered that before (in KSP 0.19.x), but under different circumstances, mainly after undocking and switching to a craft, but the basics are the same since it also involved having to redo staging.
I think one workaround is to place an empty stage and triggering it first, then triggering the stage that normally refuses to trigger right after staging was redone 'in flight'.

Plain, clean installation (no mods at all). Those icons you see listed at Stage 0 are mere Structural Pylons being used to stiffen up the nose piece and Mk2 Lander-can.

#7 Updated by doctorzuber over 11 years ago

I hate to do this to you M8, but you're wrong. This is not a bug.

The decoupler between your third and fourth stages is being crushed under the standing weight of the stages above. The rocket appears whole and unchanged, but the entire bottom stage is actually detached and non functional. This can be fixed by adding some struts. I suspected this immediately simply by looking at your first pic in the VAB. It looked too heavy. Loading your craft file quickly confirmed this.

This is not a bug. Learn to play m8.

#8 Updated by Adie123 over 11 years ago

  • Status changed from New to Resolved
  • % Done changed from 0 to 100

doctorzuber is correct. Decoupler is being crushed due to too much weight above it and stage one is being detached almost immediatly.

Changing this to resolved.

#9 Updated by Ted over 11 years ago

  • Status changed from Resolved to Not a Bug

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