DESCRIPTION

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RMD Systems has developed a small, unmanned pontoon boat that can be outfitted with a variety of different payloads. Currently, RMD supplies the boat with a 16-gallon sprayer system.
The sprayer system uses a collection of valves that allow the operator to fill and drain the tank from the shore using the remote control. The speed of the pump can be controlled, and the pump can be controlled autonomously via the autopilot (using pre programmed GPS flight paths).
The boat features a pair of trolling motors that control not only the speed but also the direction of the boat. The trolling motors are mounted on a moving jackplate that allows the motors to be raised and lowered in the water and on the trailer during travel. A real time high-definition camera mounted on the bow of the boat allows first person video to be transmitted to the controller and the operator on the shore. A miniature, waterproof laser rangefinder provides object detection and avoidance in the front of the boat. The boat runs off a 12v, 100Ah lithium iron phosphate battery. The boat has approximately 4 hours of run time on a single battery when operating in autonomous GPS waypoint mode. The boat also has a ‘loiter’ capability, where the boat will hold position in the water even when disturbed by wind and currents. RMD can customize the boat configuration, payload, and other features to meet the exact needs of the customer. RMD has developed a hybrid powertrain that allows a small gasoline generator to power the boat. RMD has also developed larger boats for specialty industrial tasks in open pit mines and other applications. Please contact RMD Systems directly to discuss your project’s needs. 

The boat is capable of GPS waypoint missions, either with manual control of the pump and valves or autopilot (autonomous) control of the pump and valves. The speed of the pump can be varied or turned off entirely at any point in the mission for spot spraying or other applications. There is a small laser rangefinder in the front of the boat that serves as an object detection and object avoidance sensor.

The sample configurations below include ADAPT Station Controller, ADAPT Spray Flow Control, ADAPT lift system. Electric configurations include ADAPT Battery Pack and Hybrid Configuration include ADAPT Hybrid Power System.

SPECIFICATION

• Vehicle Type:  Dual Pontoon Boat
• Endurance: 240 minutes*
• Engine type: Dual 55lb trolling motors
• Speed controller: Dual 60A motor controller
• Overall Length: 78 in (1981 mm)
• Width: 50 in (1270 mm)
• Height: 46 in (1143 mm)
• Empty weight: 240 lbs (109 kg)
• Tank Capacity: 16 Gallons
• Maximum Payload: 168 lbs** (76 kg)
• Energy source: 12V 100 Ah Lithium Iron Phosphate Battery
• Operating distance: 6 miles (10Km)***
• Operating cost ($/hr): $1.50/hr****
• Manual controller: RC Radio with Android OS and real time video downlink
• Groundstation telemetry link: Integrated to handheld controller; RFD 900x optional
• GPS: uBlox M8P RTK GPS
• Max Speed: 6 MPH ( m/s)
• Operating temperature: 20-120 degree F (5-50C)
• Enviornmental tolerance: IP54 (dust tight, capable of operation in heavy rain)
• Failsafes: Return to Launch (RTL) in case of loss of radio, loss of groundstation. Return to Launch on low battery. LiDAR rangefinder for object avoidance

*Endurance depends on atmospheric conditions and operating speed
**payload includes weight of spray system and liquid.
*** Range limited by 2.4GHz signal. Range dependent on obstacles and atmospheric conditions
****Operating costs based off of 2000 hour maintenance cycle (replace trolling motors and ESCs)