The frame was made of 2219 aluminium alloy tubing welded assemblies .
The frame was consisted of a three - part chassis that was hinged in the center so it could be folded up and hung in the Lunar Module Quadrant 1 bay .
The frame was made of 2219 aluminium alloy tubing welded assemblies and consisted of a three - part chassis that was hinged in the center so it could be folded up and hung in the Lunar Module Quadrant 1 bay .