Remotely Guided Air Support Systems
PROJECTS & FLIGHT TESTING

What we actually build, test and learn from.

RGASS is grounded in practical fixed-wing UAS development. The work below reflects real aircraft, components, troubleshooting, modifications and flight testing rather than theoretical product descriptions.

Fixed-Wing UAV ArduPilot / ArduPlane CubePilot / Pixhawk SpeedyBee F405 Wing Crossfire 868 MHz DJI O4 FPV Brushless Motors ESC Testing Li-ion Batteries FPV Antennas Mission Planner Flight Log Analysis
ORIGINAL RGASS AIRFRAME

LF-2944

The 13.1-foot scratch-built twin-electric UAS that helped establish the RGASS design philosophy: modular, repairable and built around practical systems integration.

Explore LF-2944

Fixed-Wing Autopilot Development

Falcon Evo — ArduPlane flight testing

A practical development platform used for testing autonomous fixed-wing behaviour and refining the complete aircraft system.

  • ArduPlane flight modes including MANUAL, CRUISE, RTL and automated take-off.
  • Mission Planner configuration and parameter development.
  • Take-off power, climb performance and throttle/current testing.
  • Battery failsafe, RTL and landing behaviour.
  • Barometer, GPS and airframe airflow troubleshooting.
  • BIN flight-log review and Google Earth/KML analysis.

Long-Range Fixed-Wing Systems

Skyhunter platform development

Experience with efficient larger fixed-wing FPV aircraft, focusing on endurance, radio/video integration and low-current cruise performance.

  • Electric powertrain matching using low-KV motors, ESCs and large propellers.
  • FPV radio and video-system integration.
  • Long-range Crossfire and analogue/digital video experience.
  • Power-system efficiency and endurance testing.
  • Airframe modification and practical field repair.

Digital FPV Integration

DJI O4 & ArduPilot OSD

Integration and troubleshooting of modern digital FPV hardware on fixed-wing aircraft.

  • DJI O4 Air Unit Lite and O4 Pro testing.
  • MSP-based ArduPilot OSD integration.
  • UART wiring and digital-video troubleshooting.
  • Bandwidth, channel and RF power testing.
  • Video stability, recording modes and RockSteady evaluation.
  • Real-world antenna configuration testing.

Radio & Telemetry

Crossfire 868 MHz systems

Practical work with long-range RC links, telemetry and antenna systems for fixed-wing aircraft.

  • Crossfire CRSF configuration with ArduPilot.
  • RSSI and Link Quality integration into the OSD.
  • Dynamic RF mode behaviour and telemetry evaluation.
  • Failsafe and RTL testing.
  • Moxon and custom 868 MHz antenna development.
  • Ground-station antenna and relay concepts.

Propulsion & Energy

Motors, ESCs, propellers & batteries

Bench and flight testing to understand how real fixed-wing power systems behave rather than relying only on catalogue figures.

  • T-Motor brushless propulsion systems.
  • ESC current and thermal behaviour.
  • Propeller comparison and current-limiting strategies.
  • 3S and 4S electric fixed-wing power systems.
  • 21700 Li-ion battery packs using Molicel cells.
  • Cruise-current, voltage-sag and endurance analysis.

Flight Controllers

Pixhawk, Cube & F405 Wing hardware

Installation and integration of open autopilot hardware across several aircraft platforms.

  • Cube / Pixhawk-class autopilot hardware.
  • SpeedyBee F405 Wing Mini running ArduPlane.
  • GPS, barometer, current sensing and power modules.
  • Servo, ESC, RC receiver and telemetry integration.
  • Autopilot power and wiring troubleshooting.
  • Independent configuration for different airframes rather than copying one setup blindly.

Airframe Engineering

Repair, fabrication & 3D printing

Keeping aircraft flying often requires manufacturing parts that no longer exist or adapting components for a specific airframe.

  • Reverse-engineering obsolete motor mounts.
  • 3D-printed structural and mounting components.
  • Carbon-tube interfaces and firewall design.
  • Laser-cut airframe component recreation.
  • Airframe sealing and pressure-flow work around flight-controller bays.
  • Iterative prototypes based on real fit and measurement.

Testing & Evidence

Flight logs before claims

RGASS prefers measurable results. Flight-controller logs, current data, GPS tracks and repeatable field tests are used to understand what an aircraft actually does.

  • Mission Planner BIN log analysis.
  • GPS track export to KML/KMZ.
  • Current, voltage and energy-use review.
  • Climb, cruise and return-to-home evaluation.
  • Landing and flare behaviour analysis.
  • Incremental configuration changes followed by retesting.
This page is intentionally based on real RGASS development work. Specific aircraft configurations evolve as testing continues, so technical details may change as better solutions are found.