I often get asked how the heck we get a 1 million pound plus dive boat out of the water…Good question!!
We have used a number of different techniques over the years from a “railway” which is indeed just as it sounds – a railway track into the water with massive supports, and a heavy duty winch to a “travel lift” which is essentially a self-propelled “U” shape structure on wheels with giant belts that are slung under the ship and then tightened to lift the ship out of the water. I personally always find it somewhat terrifying to see one of our ships swaying 2 feet off the pavement as a travel lift negotiates it’s way to our designated parking spot!
We went for something new this year and lifted our beautiful Nautilus Explorer and Nautilus Belle Amie out of water simultaneously using the floating dry-dock pictured below. If you look carefully at the photo you can see high walls on both sides of the ship. This structure is actually submersible. The buoyancy tanks are then flooded so that the dry dock literally sinks down in the water until only the upper part of the “high walls” are above water. Talk about the need to carefully maintain neutral buoyancy. Can you imagine!! After a lot of nail biting, the ships are maneuvered above blocks that are set up ahead of time and then the buoyancy tanks are emptied of water with detroit diesel engines driving massive pumps and the whole works rises up out of the water.
Larry, our tireless incredibly hard working chief engineer, is standing on a concrete deck that was previously 12 feet under water!
The good times at refit 2017 continue. I’m super proud of our team and very appreciative of how incredibly hard everyone is working. Our babies are going to look beautiful and be running like tops when they head out at the end of July for our first Guadalupe great white shark trips of 2017.
– Captain Mike
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This post was written by Captain Mike