CHCNAV Apache3 USV Hydrographic Drone

CHCNAV Apache 3 USV

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The Apache 3 USV from CHCNAV is a cost-effective single beam hydrographic survey drone.

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Overview

The Apache 3 USV from CHCNAV is a portable hydrographic survey drone with a shallow-draft hull and a single beam echo sounder for bathymetric surveys of lakes, inland rivers, and coastal areas. The master control unit provides seamless 4G communication, removing the limitations of traditional network bridge base stations and transmission distances, making field work easier.

The Apache 3 USV combines a dual GNSS positioning and heading sensor with a stable and reliable hull attitude and an IMU sensor, allowing for uninterrupted surveying while passing below bridges. The high efficiency 5 m/s motors and absolute straight-line technology allows you to choose a predetermined course in autonomous mode even under adverse current and flow conditions.

Made of macromolecule polyester carbon fiber and Kevlar fiber-glass, the Apache 3 weighs only 7 kg without sensors. It can be carried by a single person for the entire duration of the project from on-site transport, installation, calibration and mission processing.

The integration of GNSS and IMU sensor provides accurate position and attitude data to compensate for hull sway on survey results. Tight integration of GNSS and INS data eliminates outliers.

DC-injection rotary motor technology provides a 40% increase in energy conversion efficiency while still reaching speeds of up to 7,000 rpm. Its anti-collision design, with a sealed straw cover and oblique titanium alloy mesh, and its anti-corrosion design, resistant to one month’s immersion in sea water, make it extremely durable.

Less than 1m in length and with a pocket-hulled vessel design, the Apache 3 is able to operate in shoals, channels and shallow rivers without run aground.

Features

  • 4G wireless transmission
  • Compact and lightweight
  • Automatic obstacle avoidance
  • One-click return to base
  • Real-time HD video feed
  • Integrated positioning and attitude
  • Centimeter-level positioning
  • Inertial navigation module

Technical Specifications

Physical
Hull Dimension:100 cm (L) x 65 cm (W) x 30 cm (H)
Material:Macromolecule polyester carbon fiber
Weight (w/o Instrument and Battery):7 kg
Maximum Payload:25 kg
Anti-Wave & Wind:3rd wind level and 2nd wave level
Hull Design:Triple-hull vessel
Waterproof:IP65
Draft:13 cm
Indicator Light:Two-color light (display positioning signal)
Video:360° omnidirectional video
Auto-Return:Automatic return in case of low battery or signal loss
Power
Type:Electric
Propeller Type:Brushless DC
Direction Control:Veering without steering engine
Maximum Motor Power:700 W
Maximum Motor Speed:7000 rpm
Maximum Speed:5 m/s
Li-ion Battery:4 x 40,000 mAh, 18.5 V
1 x 15,000 mAh, 18.5 V
Battery Endurance:2 x 2 hours @ 2 m/s (running on 2 battery sets)
Communications
Data Communication:Network bridge: 1 km and 4G: unlimited
R/C Communication:2.4 GHz
Remote Control Range:1 km
SIM Card Slot:nano SIM
Interface:2 x RJ45 port
2 x RS232 serial port
1 x RS485 serial port
1 x PPS
Navigation Mode:Manual or Auto-Pilot
Waterproof (Master Control):IP67
Data Storage:Local multi-sessions and FTP push
Positioning
Satellite System:GPS L1/L2
GLONASS L1/L2
Galileo E1/E5
BeiDou B1/B2
SBAS
QZSS
Channel:432 channels
Single Point Position (RMS):Horizontal: 1.5 m
Vertical: 2.5 m
SBAS Positioning Accuracy:Horizontal: 0.5 m
Vertical: 0.85 m
DGNSS Positioning Accuracy:Horizontal: 0.4 m + 1ppm
Vertical: 0.85 m + 1ppm
RTK Positioning Accuracy:Horizontal: ±8 mm + 1ppm
Vertical: ±15 mm + 1ppm
Heading Accuracy:0.2° @1 m baseline
Inertial Navigation:stability 6°/h
D230 Singlebeam Echo Sounder
Data Type:CHCGD, NMEA SDDPT/SDDBT, original waveform
Weight:1.1 kg
Sounding Range:0.15 m to 200 m
Sounding Accuracy:±0.01 m + 0.1% x D (D is the depth of water)
Resolution:0.01 m
Frequency:200 kHz
Beam Angle:6.5° ± 1°

Video

Ordering

The Apache 3 hydrographic survey drone from CHCNAV is available through Canal Geomatics. If you would like more information about this product, please feel free to get in touch with us by completing the Request Pricing form.

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