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Bug #4072

LT-5 Micro Landing Strut indestructable

Added by BeguiledAardvark almost 10 years ago. Updated over 8 years ago.

Status:
Closed
Severity:
Very Low
Assignee:
-
Category:
Parts
Target version:
-
Start date:
02/14/2015
% Done:

100%

Version:
0.90
Platform:
OSX
Expansion:
Language:
English (US)
Mod Related:
No
Votes:
Arrow u r green
Arrow d r red

Description

Found this one out while hitting Mun a bit too hard...

KSP Version: .90
What Happens: LT-5 survives heavy impact
Mods / Add-Ons: All Stock

Steps to Replicate:
1) Create a craft and flight like this: http://imgur.com/V7uT0TF

Result: Craft will crash but the LT-5 struts will remain intact

Fixes/Workarounds:
N/A

History

#1 Updated by SoulWager over 9 years ago

  • Status changed from New to Need More Info

The legs are compressible, so your engine is going to bottom out long before the legs do, and the exploding engine will cushion the fall. The legs have a couple failure states. damaged(repairable on EVA, the leg won't retract until you fix it), and going poof Going poof happens a lot easier when the suspension is locked or the legs are already damaged.

Does the issue persist when you offset the legs down as far as they'll go?

I did some drop testing, and the only thing I'd call a bug was occasional clipping through the launchpad on impact. I was able to get a test from 1km where everything except the capsule was destroyed, and a test from 400m where the engine survived but all 4 landing legs were damaged.

I think a lot of the "what gets damaged" question boils down to the temporal resolution of the physics calculation, because you might just be moving more than the travel of your legs' suspension in 1 simulation step. That also explains a bit of why kerbals sometimes bounce.

#2 Updated by BeguiledAardvark over 9 years ago

I see what you mean by the engine possibly taking the brunt of the impact - however I originally realized this when I impacted Mun with a Lander far too quickly. The engine did explode but the remaining body (with legs still attached) skipped, bounced and rolled across the surface without destroying the legs. I can try to build a different rig to test the legs again.

#3 Updated by sal_vager about 9 years ago

  • Status changed from Need More Info to Resolved
  • Severity changed from High to Very Low
  • % Done changed from 0 to 100

Hi, please be mindful of the bug reporting guidelines and priority table when reporting issues, thank you.

http://bugs.kerbalspaceprogram.com/projects/ksp/wiki

Also, this is not reproducible in 1.0.5

#4 Updated by TriggerAu over 8 years ago

  • Status changed from Resolved to Closed

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