Deep Rover DR1002
 Model of the Deep Rover
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The Deep Rover DR1002 is the second generation of Deep Rover research submarines . She was built in 1994 by the Californian company Deep Ocean Engineering in two copies. To distinguish the submarines DR1 and DR2 are named.
construction
The outstanding feature of these submarines is the spherical, thick-walled pressure body made of acrylic glass (PMMA). It allows both passengers an unobstructed view over 320 °. With an outer diameter of 1.75 m, it has a wall thickness of 135 mm. With a permissible diving depth of 1000 m, it enables access to 15% of the seabed.
The batteries are located in two runners outside the pressure hull and the pressurized gas cylinders and the immersion tank are in the back structure. Four electrically driven jet propellers serve as the drive, which are jointly controlled via a joystick . Visibility and maneuverability were compared to underwater helicopter flights.
The other equipment consists of two hydraulic manipulators with six degrees of freedom and an intuitive joystick control. The lighting system consists of 4 × 150 W and 3 × 450 W as well as optionally four metal halide lamps with 1200 W each for filming.
history
The two Deep Rovers were designed as film submarines from the start. Her first media-effective expedition took her to the wreck of the Royal Captain in 1999 . They were named Jules and Jim . This was followed by a supporting role in lifting a fragment of the Titanic and an expedition to Yamato . In 2002 both submarines were bought by DeepOcean Expeditions and a partner. The boats were overhauled and equipped with modern controls based on a PLC ( programmable logic controller ). With this equipment and green base color they can be seen in James Cameron's " Aliens of the Seas ". They have been in storage since then (2005).