ROV Ventana Specifications

ROV Ventana control system upgrade.

Specifications

  • Dimensions
    • Length: 10′
    • Width: 5′ 6″
    • Height: 7′ 3″
  • Structure and ballast
    • Core vehicle dry weight: 2,567 kg. (5,660 lbs.)
    • Core vehicle with benthic sled is typically 7450 lbs.
    • Core vehicle with midwater sled:
      • Heaviest configuration: 8225 lbs.
      • Lightest configuration: 7450 lbs.
    • Configurable ballast combined with benthic sled:
      • 850 lbs.
      • 80 lbs. variable buoyancy, expandable to 380 lbs.
  • Power (hotel): 8 kW
    • Lighting: 3.4 kW
    • System: 1.1 kW
    • Science: 3.5 kW
  • Hydraulic power: 3000 psi
    50 hp Franklin electric motor (2300 VAC)
    Rexroth A10-25 hydraulic pump
  • Thrusters (six):
    Two Rexroth A2F with ISE nozzles
    Four Volvo F11-10 with ISE nozzles
  • Servo manifolds:
    • MOOG -78 series 25gpm (thrusters and 1 auxiliary) 5 station
    • MOOG -30 series 1.8gpm (camera control) & 2 MOOG -32 series 6gpm (spares) 5 station
  • Hydraulic valve manifolds (two 8-station, 3-position 4-way)
  • Two manipulators: Schilling T4 7-function with camera, Schilling/Oceaneering Hybrid Atlas 7-function
  • Umbilical cable: 2300 m
  • Three # 12 gage conductors for hydraulics
  • Four # 16 gage conductors for vehicle hotel
  • Four single-mode fibers, vehicle, HD video, ethernet, spare

Control System

  • Custom hardware and software developed at MBARI and Greensea Systems, Inc. Communication is achieved by use of local area network (LAN), multiplexed serial port technology, and analog interface.
  • Focal 903 digital multiplexer, 21 RS232 serial, 5 RS485 serial

Navigation Instrumentation

  • Altimeter: Kongsberg 1007D, 100 meter range
  • Depth Sensor: Paroscientific 8B2000
  • Octans Fiber Optic Gyro (FOG) motion sensor with six degrees of freedom in custom 2000m titanium housing
  • ROV INS – Sonardyne Sprint 505 with real time aiding including : Speed of Sound, Depth, RDI DVL, USBL, and 1 PPS subsea synchronized with GPS
  • RDI Workhouse Doppler Velocity Log (DVL) with system integrated stationkeeping and video mosaicing, 1200 Khz.
  • USBL Sonardyne Ranger 2 V 6.0 with pole mounted Lodestar AHRS, HPT head and Laser surveyed CASIUS corrected offsets, 4000 m capable.
  • USBL Ranger 1 with GDT head for older HPR beacons and Sonardyne Homer tracking capability from ship.
  • ROV to ship beacons: Sonardyne WMT 6G and Applied Acoustic HPR – both in responder or transponder mode selectable from surface.
  • ROV to subsea targets using Sonardyne homer tracking system, 400 m range line of sight.
  • Sonardyne WMT beacon / AA 935 beacon (backup)

Lights

  • 6 DSPL HMI lamps, 400 watts, custom upgrade with Schiederwerk ballasts/ignitors
  • Two core vehicle lamps on ROS accupositioner Pan/Tilt units
  • Two Midwater sled lamps on ROS PT-10 Pan/Tilt units
  • 2x DSPL L.E.D. Lamps 250 watts

Sonar

  • Mesotech MS1000, 675 kHz high resolution head or 330 kHz standard head
  • USBL (ship to ROV beacon), Sonardyne Ranger 2 software with laser measured offsets and Casius calibration
  • Tritech – Gemini 720is Multibeam Imaging Sonar 720kHz

Camera Systems

  • One Ikegama HDL-57 60p camera with HA10X5.2 Fujinon zoom lens
  • Six Insight Orion zoom cameras with integrated pilot control
  • Extron 30 X 30 Video Switch (ROV control room)
  • Secondary HD 1080i 60 camera capability using Seacon MINL 3G standard interface typically with  Insite Pacific Micro Zeus camera and dual serial port control.
  • VARS Video Annotation System with realtime annotation and up to 4K frame grab capabilities
  • M3RS video recording system:
    • MacOS/MacPro rack mount system
    • Movie Recorder software with 3 feed capabilities
    • Records video formats up to 4K resolution using DeckLink 8K Pro capture cards
    • Records master (ProRes) and mezzanine (H.264) formats simultaneously to Thunderbolt 3 RAID at up to 40Mbps
    • Additional software allows for pilot monitoring, automated dive number entry, automated nightly backups, and more
    • Video recordings are time-synced with shipboard UTC time server

Science Sensors

  • Scientific CTD package
    • depth, temperature, salinity: SBE 19plus V2
    • dissolved O2 via SBE 43
    • transmissometer, WET Labs CSTAR
    • spare channel or fluorometer, WET Labs
  • Harbor Branch spatial lasers, custom electronic boards
    • 2 parallel, 9″ spacing
    • 1 crossing
    • 1 splitter, 1″ spacing
  • Gigabit ethernet high speed port + 120 vac @ 5 amps
  • 10/100 Base-T Ethernet port + 120 vac power @ 5 amps
  • Three dedicated high speed serial ports for science, with 12 and 24 VDC, and NTSC video available
  • “MARS like” interface port to simulate subsea MARS ports

Swing Arm Interface Drawing

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