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Bug #23271

Propellers don't work in water

Added by Tw1 22 days ago. Updated 9 days ago.

Status:
Confirmed
Priority:
Low
Assignee:
-
Category:
Gameplay
Target version:
-
Start date:
07/29/2019
% Done:

10%

Version:
Platform:
Windows
Expansion:
Breaking Ground, Core Game
Language:
English (US)
Votes:
Arrow u r green
Arrow d r red

Description

I have found propellers won't work when partially submerged. This put a stop on creating stock boats and aquatic rovers.
Attached is a save file with an experiment to demonstrate.
They rotate fine, but no thrust is created by the blades once in water.
It would be great to see this patched, so we can build stock propeller powered watercraft, for Eve, Laythe, and on Kerbin

persistent.sfs (386 KB) persistent.sfs A persistent file with two vessels ready to confirm. One in water, one in air, both have the same propeller set up Tw1, 07/29/2019 03:54 PM

History

#1 Updated by k-ohara5a5a@oco.net 9 days ago

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

I can confirm with the savefile attached above. Using alt-F12 to enable aerodynamics information in the right-click menus, the propeller blades show reasonable drag, but exactly 0.00kN lift, when underwater.

If anyone looking at this is looking for a workaround, the normal aerodynamics surfaces (elevons, etc.) work underwater.

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