System Overview Innovative, Reliable, Simple

We have a winning combination of custom mechanical, electrical, and software subsystems that allows us to consistently rank highly in the AUVSI SUAS competition from year to year. Each incredible in its own right, our subsystems are outlined below.

Fenrir Airframe

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 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

Autopilot

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

Imagery

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

Ground Control 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