Library

Versions of Generic hydraulic mine roof prop, 8 ft extended

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 base plate, the outer barrel, the inner ram with its collar, the valve stub and the head plate (plan and 3D).	CC0	Published	Nov 3, 2026
	Version 1	GeometryFirst version.	CC0	Published	Nov 3, 2026