Library

Versions of Generic longwall powered roof support, 1.75 m seam

Published versions never change. A new license, new data or new geometry is always a new version; people who used an older one keep it.

Drawing	Version	Change	License	Status	Published
	Version 2	GeometryAdded the two base skids, four hydraulic legs, the canopy with a front visor and the sloped rear shield for a powered roof support (plan and 3D).	CC0	Published	Nov 3, 2026
	Version 1	GeometryFirst version.	CC0	Published	Nov 3, 2026