7
The two skids contain ballast weights that are used to adjust both the balance and buoyancy of the
ROV in water. When properly adjusted, the ROV should sit level in the water and should be slightly
positive, just positive enough so it does not sink (extra ballast weights are included.)
The ROV is pressure tested to a 1,000 foot depth prior to shipment. Operation of the SeaOtter-2 out
of water is not recommended. If the
front
lights are operated out of the water for more than 10-15
seconds the water cooled halogen lights will overheat and burn the reflector. If the motors are operated
out of the water for more that 5-10 seconds the motor seals will overheat and experience excessive
wear. After cabling up the system a short pretest may be made of the lights and motors. The cameras
and rear LED lights can or course be operated out of water. At all times caution is advised in handling
the propellers.
ROV:
(continued)
100w of lighting
(variable 0-100)
Max 500’ depth
housing
ROV: 23”L x 16”W x 12”H
Four Hi performance motors
Pan and Tilt
Front Camera
Pan and Tilt
Rear Camera
Ballast weights inside
Cable:
The umbilical cable connects the ROV to the control box. The cable is neutrally buoyant and has a
connector on both ends. The system comes standard with a 250 foot cable. Additional cable can be
ordered up to a total length of 500 feet (do not exceed this total length.) When additional cable is
ordered it comes with a connector on both ends and performs as an extension cord. The additional
cable installs between the 250 foot cable and the ROV.
The umbilical cable is approximately .5 inches in dia and contains nine wires: a coax for the video
signal, two twisted pairs for transmitting and receiving control signals to the ROV, a twisted pair for
power to the ROV and a spare twisted pair for options (metal detector, scanning sonar, etc). It is
important that the cable be protected against damage.
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