When it comes to transporting large things at sea, sometimes the very best option is to move it in one piece. But what if that thing is an entire oil rig?
Enter the Heavy-Lift Ship: a specially designed vessel which can partially submerge to allow other ships, yachts, oil rigs and drilling platforms to float over its massive, flat cargo deck. The ship lowers itself into the water using a series of ballast tanks which can be flooded. Then, after the cargo has been floated over the deck, air is pumped back into the tanks and the massive ship lifts its cargo aboard. [Read more...]