Fenrir combined custom mechanical, electrical, and software subsystems that helped ARC rank highly in the AUVSI SUAS competition during its competition years. Each subsystem is outlined below.
Features
Built-up construction from laser-cut plywood
Rail-based payload mounting for easy payload swaps and integration
Easily breaks down for transportation - fits in 56 in X 24 in X 20 in volume
Dimenions
Wingspan: 10.1 ft
Length: 10 ft
Height: 36 in
Payload bay: 44 in L x 9 in W x 9 in H
Weights
Empty Weight: 19 lbs
Max Gross Weight: 45 lbs
Useful Load: 26 lbs
Fuel Capacity: 50 oz, 2.37 lbs
Current RTF (Ready to Fly) Weight: 34 lbs
Performance
Powerplant: Desert Aircraft DA-50R
Max Power: 5 BHP
Loiter Endurance: 60+ minutes
Cruise Range: 50 nm
Stall Speed: 21 kias
Loiter Speed: 37 kias
Cruise Speed: 55 kias
Max Speed: 100 kias
Takeoff Distance over a 50ft obstacle: 250 ft
Landing Roll: 100 ft
Max Rate of Climb: 2000 ft/min
System
Cloud Cap Technologies Piccolo LT
Laser Technology Laser Altimeter for precision altitude measurement
High quality Honeywell magnetometer
“Safety Switch” allows full-authority manual control takeover
Capabilities
Fully autonomous flight
Fully autonomous takeoff and landing
Easy dynamic retasking through ground station
Autopilot
Two operator stations
Primary: Commands and monitors aircraft
Secondary: Dynamic retasking and flight-plan adjustment
Intercom for communication between operators, VHF radio for inter-team comms
Imagery
Two operator stations
Primary: Monitors and controls imagery system state
Secondary: Examines images for targets and other items of interest
Intercom for communication between operators, VHF radio for inter-team comms
Auto-tracking antenna system for long-range 5.8GHz link
Safety Pilot
Manual control transmitter
VHF radio and earphone for inter-team communication
Forward-looking video and telemetry console for long-range missions
Image Capture
Machine vision camera for high quality images in a small, easy to interface, * package
High resolution 10.1MP images for analysing small details on ground targets
Nadir tracking gimbal keeps the camera pointed directly at the ground
Imagery Infrastructure
Onboard flight computer for control and storage, even in the event of communication loss
Near real-time still image downlink, 70Mbps link to the ground
RAID-backed database of all imagery ever captured - over 60,000 images total
Image Analysis
Easy-to-use image software aids analysts in quickly detecting and identifying targets
Automatic target recognition software aids operators in detecting and characterizing targets