Mohican was specifically developed to cope with the fast-moving and unpredictable turbid waters of the southern North
Sea. The ‘dynamic vector’ feature enables the operator to adjust thruster angles on the fly for agile manoeuvring and the
3000v 400Hz power system is particularly suited to long tether excursions and deep live boating operations. The subCAN
the control system provides advanced diagnostics, precise vehicle control and reduced reactive maintenance. Thus, the benefit
of increased dive time, reduced vessel standby and operating costs. The system can be supplied as free-flying or with
Tether Management System.
Standard System Equipment
Dual 1 atmosphere electronics pods / subCAN control, protection & diagnostics system
Camera Pan & Tilt Unit
1000m / 35Kg standard payload buoyancy
Operational Equipment (Optional)
6 station combined valve pack / HPU for auxiliary hydraulics
Torque tool / manipulator / cutter / FMD / AXVX skid options
Pipeline inspection / cable tracking skids
Scientific sensor / sample collection skids
Submarine rescue pod / threat detection options
HD / stereo / PATZ / multi-beam / digital stills camera interfaces
Type 2 cage Tether Management System
Live boat winch / integral cabin & LARS options
Standard System Equipment
1 atmosphere electronics pod / subCAN control, protection & diagnostics system
Camera Tilt Unit
Low mass 15 Kw/3000v / 400Hz transformer
2000m / 35Kg standard payload buoyancy
Adjustable ‘dynamically vectored’ thrusters
Narrow gauge 16.5mm tether
Operational Equipment (Optional)
Combined 6 station valve pack / HPU for auxiliary hydraulics
Torque tool / manipulator / cutter / FMD skid options
Survey pod / navigation skid options
Pipeline inspection/cable tracking skids available
HD / Stereo / PATZ / Digital / Acoustic camera interfaces
Type 1 or 2 cage Tether Management System
Live boat winch / integral cabin & LARS options
Control System and Features
Hands free navigation/station keeping
Power management and system protection
Live monitoring and diagnostics
Telemetry
Single-pass to four pass fibre-optic upgrade available
Ethernet / CWDM options for expansion of sensor suite
4 x video channels, 2 x RS 485 channels, 4 x RS 232 channels (1 dedicated to subCAN)
Additional System Options
300m Buoyancy set (50 Kg payload)
3000m Buoyancy set (30Kg payload)
Digital Video and Survey Database options
Operational Skids
Forum provides a range of operational skids for each model of Observation ROV, including the following options:
Pipeline Inspection (boom arms / TS440 etc.)
Seabed Survey – multibeam / gradiometer/profiling sonars etc.
IRM – Manipulator / Jetting / Dredging / Cutting / Cleaning
Flooded Member Detection / AX,VX ring changeout
Torque tool & verification unit
Fluid Injection for BOP testing etc.
Submarine rescue pod delivery
Sample collection & storage / scientific instrumentation
Bespoke skids to customer requirements
• Mohican ROV Free Flying
• 4 Function Manipulator
• El. Cleaning brush
• 1 Spare Thruster
• HP Clean Unit
• Options Video Overlay system
• SH Mini Haul and Feed winch mod 2018
Length 1150 mm Width770 mm Height 800 mm
Standard buoyancy depth 2000m Deep Water Buoyancy 3000m Shallow Water Buoyancy 300m Weight in Air (Kg) 340Kg
System Specification
Standard Payload 35Kg Deep Payload 30Kg Shallow Payload 50Kg
Power Required 440vAC 3ph 50/60Hz 15Kva Thrusters Horizontal 1 80 mm¢
Thrusters Vertical 180 mm¢ Bollard Pull (Nominal) Forward 110 Kgf
Reverse 110 Kgf
Lateral 110 Kgf
Vertical 75 Kgf
Surface Speed (Nominal) 3.5 Kt= 1.75 m/s Turning rate 180Q per second
Mohican VEHICLE
2000 meter rated system (30kg Unladen Payload)
13KVA High Voltage & High
Frequency PDU
SPE-180 Horizontal and Vertical (Vectored) Thrusters
Tilt Unit
Light Fuse Pod
PortSide Pod Boards and Connectors
Starboard Side Pod Boards and Connectors
SubCAN Control System Low Voltage Power Supplies
2000m Depth Transducer (200Bar • at 0.05%)
Focal 907Plus Remote Fibre Optic • Multiplexer
Lead Ballast Kit
1 Pass Fibre Optic Connection
1 Gigabit Ethernet - Subsea and Surface Ethernet Fibre Optic Interface - CWDM Version
3rd Party Subsea Integration Kits • (Cables, Brackets, Mounts)
1 ea. Single Channel HD-SDI Data • High-Definition Video Upgrade (inc. Conns, Splice, Remote, Console)
6 ea. Bowtech 3200 LED Dimmable LED Light (3,000m)
1 ea. Low Light Monochrome Camera - Bowtech Explorer Pro (4000m)
1 ea. HD Colour Zoom Camera - HD-SDI Output - Bowtech Surveyor (6000m)
AHRS Gyro - Impact Subsea ISM3D, 6000m
Altimeter - Tritech PAS00, (4000m)
Novatech - ST-400AR Xenon Flasher
Tritech Super SeaKing Dual Frequency Scanning Sonar, (4000m)
Mohican High-Pressure Water Jetter (Skid required if HPU selected)
Cutter/ Manipulator Skid Inc. 2000m rated buoyancy (Exe. HPU) - In cl. Shock Mounting
6 Station DC Combined Hydraulic Power and Valve Pack Unit+ 370cc Compensator
Hydro-Lek MB4 Manipulator (4 Function & Rope Cutter) Inc. hoses
Mohican MB4 Manipulator Buoyancy Kit (7.4 kg Net)
Cleaning Brush - SPE-180 Electric Rotary Motor, 100mm Cup Brush, Mounting Kit
Spares, Tools and Consumables
Fibre-Optic Spares Kit (Subsea + Surface Mux's w/ subCAN Diagnostic Interface)
HLK-MB4 Manip Spares Kit (Exe. Hoses) Mohican High-Pressure Water Jetter Spares Kit
Spares Kit for 300V DC Combined Hydraulic Power Unit and 6 Station Valve Pack Unit
Launch and Recovery Systems
Slip Ring (7 Pass 3KV, 3 Pass SM, EEx Rated) SH winch with haul and tension function.
Live Boat - Bullet & Gimbal Assembly Mini Lock Latch
Surface Control System
Surface Power and Control - Suitable for Mohican Operation to 2000m 19" Rack Mount Surface Control Unit
Focal 907Plus Fibre-Optic Communication Link SubCAN Interfaced Communication Link Diagnostics Composite Video Overlay System
Portable Pilot Hand Control Console
17" SubCAN touch control screen on positionable arm 19" Rack Mount SubCAN Computer
lS00VA (900Watt) Uninterruptable Power Supply Residual Current Fused Distribution Outlet
40U x 19" Rack Base Assembly
22" Flat Widescreen Monitors, w/ adjustable monitor Mounts (set of 4) Dual Capability Computer - SubCAN / Auxiliary Equipment Control (Sonar Control)
Mohican PDU 3kV Lockable Rotary Power Isolation Switch
Winch capacity for up to 1300 m cable Umbilical I2)19mm
2kN on the bottom layer
Speed on the bottom layer app rox. 58 m/min and 69 m/min on the top layer
Ideal spooling of buoyant tether due to the tension system on the level wind. |
