Dutch builder U-Boat Worx’s proposed 1,250-tonne, 37.5m diesel-electric Nautilus can function as a yacht or a submersible. It has a depth rating of 200m, with a surface cruise speed of 9 knots and an underwater speed of 4 knots. The Nautilus will be able to stay underwater for up to four days; at cruise speed, the underwater endurance is six hours.
When functioning as a boat, the Nautilus offers a massive sundeck equipped with a freshwater pool, a bar, and a luxurious dining table. This al fresco arrangement is retracted before the submersible slips below sea level.
A newly invented, completely pressure-resistant electrical tender is stowed under the Nautilus’s aft deck and will stay outside while diving. This tender, the Aronnax, may also be used for transporting five scuba divers…