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Bug #5198

TR-38-D does not correctly decouple with struts involved

Added by godarklight over 9 years ago. Updated over 8 years ago.

Status:
Closed
Severity:
Low
Assignee:
-
Category:
Parts
Target version:
-
Start date:
07/01/2015
% Done:

100%

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

Description

It appears this decoupler has issues with struts.

In both attached vessels, the strut prevents takeoff. Removing the strut in both cases allows them to fly.

I have a youtube video of the first buggy craft here: https://www.youtube.com/watch?v=JNqODGI8kTc

I'm currently using the completely stock linux 64bit 1.0.4 version, but I also had someone running win32 confirm this as well.


The requirements for this bug are very specific and all must be satisfied.
  1. The part MUST contain both PhysicsSignificance = 1 AND ModuleDecouple - The TR 38D is the only stock example.
  2. A part with CModuleStrut must be linked between a lower part and the decoupler directly. - The Strut Connector is the only stock example.
    1. A part which is less than 25cm in height is below the decoupler.
    2. A part with CModuleStrut must be linked between the >25cm part and any other lower part.
Parts below 25cm that trigger this bug include:
  • Cubic Octagonal strut.
  • Octagonal Strut.
  • Mk2 Drone Core.
  • RC 001s Remote Guidance unit.
  • Small Inline Reaction Wheel.
The following sub 25cm parts do not trigger this bug.
  • TR 18A Stack Decoupler.
  • TR 2C Stack Separator.
  • TR 2V stack Decoupler.
  • Heatshilds.
  • Batteries.
These parts are incredibly difficult to attach a strut connector to.
  • M 1x1 Structural Panel.
  • M 2x2 Structural Panel.
Buggy craft.craft (12 KB) Buggy craft.craft [email protected] godarklight, 07/01/2015 08:57 PM
Buggy craft 2.craft (11.5 KB) Buggy craft 2.craft [email protected] godarklight, 07/01/2015 08:57 PM
foiled.png (1.79 MB) foiled.png [email protected] godarklight, 07/01/2015 09:13 PM
screenshot0.png (1.65 MB) screenshot0.png [email protected] godarklight, 11/10/2015 01:42 PM
6994
8715

Related issues

Related to Kerbal Space Program - Bug #2346: TR-38-D decoupler does not separate correctlyClosed04/04/2014

Related to Kerbal Space Program - Bug #5414: Decoupling creates empty ghost stage, Camera looses focus, Ship spins out of controlClosed09/15/2015

History

#1 Updated by godarklight over 9 years ago

6994

Attached screenshot also showing how to create the bug

#2 Updated by Squelch over 9 years ago

  • Status changed from New to Confirmed
  • % Done changed from 0 to 10

Thanks for reporting this. It seems this decoupler has been overlooked during an edit.

The TR-38-D is the only decoupler that has the PhysicsSignificance flag set. Removal of this line from the configuration file fixes the sticky strut problem.

Passed on to the Devs for attention.

#4 Updated by Squelch over 9 years ago

  • Is duplicate of Bug #2346: TR-38-D decoupler does not separate correctly added

#5 Updated by Squelch over 9 years ago

  • Status changed from Confirmed to Duplicate
  • % Done changed from 10 to 100

#6 Updated by Squelch over 9 years ago

  • Is duplicate of deleted (Bug #2346: TR-38-D decoupler does not separate correctly)

#7 Updated by Squelch over 9 years ago

  • Related to Bug #2346: TR-38-D decoupler does not separate correctly added

#9 Updated by Squelch over 9 years ago

  • Description updated (diff)
  • Status changed from Duplicate to Confirmed
  • % Done changed from 100 to 10

Added further information to the description and cleaned up a bit.

#10 Updated by Squelch over 9 years ago

  • Description updated (diff)

#11 Updated by RexKramer over 9 years ago

  • Related to Bug #5414: Decoupling creates empty ghost stage, Camera looses focus, Ship spins out of control added

#12 Updated by godarklight about 9 years ago

8715

This bug still exists in 1.0.5 (although now there are pretty lights!)

#13 Updated by TriggerAu over 8 years ago

  • Status changed from Confirmed to Needs Clarification
  • % Done changed from 10 to 0

#14 Updated by TriggerAu over 8 years ago

  • Status changed from Needs Clarification to Closed
  • % Done changed from 0 to 100

Closing this report out for now. If you find it is still occuring in the latest version of KSP please open a new report (and this one can be linked to it.) For best results, the wiki contains really useful info for when creating a report http://bugs.kerbalspaceprogram.com/projects/ksp/wiki.

You can also ask questions about the bug cleanup in the forum here: http://forum.kerbalspaceprogram.com/index.php?/topic/143980-time-to-clean-up-the-bug-tracker/ and tag @TriggerAu to get my attention

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