SL20 profile

Autonomous Survey Boat

A compact and portable unmanned surface vessel for hydrology and bathymetric survey

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Moon Pool Design

  • The moon pool supports flexible deployment of different instruments like ADCP and echo sounder. 
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Autonomous Survey and Realtime Data Telemetry

  • Both remote control and autonomous available, great line tracking capability.
  • Base Station ensures easy setup on field, real time data telemetry.
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Compact and Long Endurance

  • SL20 is 1 meter long and weights 17 kg, it’s easy for one man to operate and transport.
  • Powerful battery and low power consumption provides 6 hours of endurance at 3 knots.
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Low Draft and Shallow Water Adaptability

With a low draft of 15 cm, the SL20 delivers perfect performance in shallow water survey.

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High Speed and Well Protected Propulsion

  • Waterjet  propulsion system drives the maximum speed to 5m/s
  • Safety protection avoids the propellers being intertwined with water plants or water debris.

Specification

Hull MaterialCarbon Fiber
Hull Length105 cm
Hull Width55 cm
Weight (excl. ADCP)17 kg
Payload8 kg
PropulsionWaterjet
Moon Pool177 mm
Remote ControlRadio Frequency
Remote Control Frequency900 MHz/ 2.4GHz
Remote Control Range1km
Data Telemetry Frequency2.4GHz/ 5.8 GHz
Data Telemetry Range2 km
Survey Speed2-5 knots (1-2.5m/s)
Top Speed10knots (5m/s)
Battery Endurance6 hours @ 1.5m/s
Battery Pack1 x 33V 40Ah
Quick Battery Replacement
InstrumentationSontek RiverSurveyor S5/M9
Teledyne RD Instruments RiverRay
Teledyne RD Instruments RiverPro
Teledyne RD Instruments RioPro
Teledyne RD Instruments StreamPro
Linkquest Flowquest
OptionsADCP telemetry module

 

Application Case

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    SL20 Unmanned Boat Surveys Three Plateau Glacial Lakes in Tibet
  • SL20 in France
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Video

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