SL20
Product descripton: SL20 by OceanAlpha
SL20 USV: One-Person Operation, Zero Hassle
The SL20 USV is specially designed for ease of use. A single operator can handle it effortlessly, whether for quick bathymetric survey in coastal areas or water discharge measurement in narrow waterways.
Its small size means it can be simply loaded into a car, enabling you to reach remote survey sites with ease.
Technical specifications
Key Features
Rugged Architecture for Field Operations
The SL20 is a thoughtfully designed compact USV built for real-world use.
Every component, from the hull to the propulsion system, was engineered for durability and efficiency.
Compact Portability
The SL20 USV features a carbon-fiber hull (1.05 m × 0.55 m × 0.38 m, 17 kg)—compact as a golf travel bag and light enough for one-handed lifting.
Shallow-Water Navigation
With only 15 cm draught, SL20 can navigate and operate effectively in narrow inland waterways, shallow rivers, and coastal areas where conventional vessels cannot access.
Tangle-Free Propulsion
Powered by a debris-resistant waterjet thruster, SL20 reaches 8 knots while avoiding tangles in weeds and floating obstacles—ideal for messy shallow waters.
Enduring Operation and Quick Swap
With 6-hour endurance @ 3 knots and field-swappable batteries, SL20 powers full-day surveys without downtime.
Dual Control Options
The SL20 USV offers two control options, being operable via remote control for precise human intervention and equipped with an autopilot system for autonomous navigation and task execution.
Remote Control
- Radio remote control with handheld terminal
- Communication range up to 1 km
Autonomous Operation
- Autopilot under autonomous navigation
- Communication range up to 2 km
Wet Payload Flexibility
SL20 is equipped with a 177 mm diameter moonpool for instrument installation.
The mounting brackets for instruments such as Echo sounder, ADCP, RTK GPS can be custom designed.
Technical Specifications
| Category | Specification | Value |
|---|---|---|
| Physical | Dimensions | 1.05 m (L) × 0.55 m (W) |
| Weight | 17 kg (with battery) | |
| Payload | 10 kg | |
| Draught | 0.15 m | |
| Hull Material | Carbon Fiber Composite | |
| Power | Propulsion | 2 × Duct-type Thrusters |
| Power Supply | 1 × 33.6 V / 40 Ah Lithium Battery | |
| Performance | Survey Speed | 3 kn |
| Maximum Speed | 8 kn | |
| Endurance | 6 h @ 3 kn | |
| Real-time Video | Yes | |
| Collision Avoidance | Yes | |
| Control & Communication | Control Mode | Remote Control / Autonomous |
| Remote Control Range | 1 km | |
| Data Telemetry Range | 2 km | |
| Software | OceanAlpha USV Control Software |