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02 · UAV Systems

eVTOL Wildfire-Response Quadcopter

Team Whiplash · VFS Competition · Nov 2024 to June 2025

Remote-controlled electric VTOL quadcopter optimized for wildfire response: waypoint navigation, precision hover, and payload delivery, driven by a full avionics and Power Distribution stack.

49.6 N
total thrust
1.26
thrust-to-weight
6S / 80A
power arch.
As-built quadcopter with payload bottles and avionics.
As-built quadcopter with payload bottles and avionics.
Electrical architecture: power, ESCs, avionics chain.
Electrical architecture: power, ESCs, avionics chain.

What

  • Remote-controlled electric VTOL quadcopter built for the VFS competition.
  • Optimized for wildfire response: waypoint nav, precision hover, payload delivery mechanism.

How

  • Designed a dual-battery system: a 6S LiPo propulsion pack plus a dedicated FC battery.
  • Wired four 80 A ESCs through a central Power Distribution board, with all Circuit Design and Soldering done in house.
  • Integrated the Pixhawk Flight Controllers stack with a Raspberry Pi companion, telemetry, and RC links.

Results

  • 49.6 N total thrust versus 39.2 N weight, a 1.26 thrust-to-weight ratio.
  • Isolated FC power removes voltage sag under full motor load.
  • Clean PWM signal chain gives stable thrust for hovering and payload drops.

Tools & methods

  • Pixhawk 4
  • Raspberry Pi
  • Power distribution
  • ESC config
  • Harness design

Next project

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