We had to redo the threading on most of the bolts. They were damaged from the manufacturer, the guy who grinded the bulb probably was drunk or something… We also digged out some parts of the mold that had fallen into the cast, and filled the holes with fiberglass and polyester.
Now it’s looking nice. And as you see, my calculated center of gravity was pretty good. It’s hanging from a single lifting point.
(Oh.. The weight? 4 500 kg)