Drive Control Unit

The DCU controls the electric motors and the battery system.

1.24.1 (latest)

October 28th, 2025

  • P12: Fix issue with never reporting the fully charged with some DC chargers
  • Fixes an issue with the flight controller failing to update

1.23.3

October 28th, 2025

  • P12: Fix issue with never reporting the fully charged with some DC chargers

1.24.0

October 9th, 2025

What's Changed

  • RPM limiting due to low SOC is no longer latched. No longer necessary to toggle key after charging.
  • P12: Improvements to Kreisel battery handling and status reporting
  • P12: Support for new release of rudder motor firmware
  • Internal improvements and diagnostics

1.23.2

August 29th, 2025

  • P12: Improved charge voltage handling for more accurate charge current ramp down

1.22.2

June 23rd, 2025

  • Improved cooling pump control based on HV battery temperature for better thermal management
  • Added distance tracking functionality
  • Improve thermal POD model accuracy to reduce false reports
  • Various internal optimizations and code improvements
  • P12: Fixes an issue were charging incorrectly stopped before reaching desired SOC

1.21.4

April 10th, 2025

  • Improvements to POD thermal management
  • Optimized tuning of propulsion system during takeoff
  • Enhanced diagnostics and error management
  • Bug fixes and internal changes

1.19.1

February 28th, 2025

  • Improved CAN Management: Enhanced efficiency and robustness in parsing and transmitting CAN data
  • Clarified LED Behavior: Improved clarity of the LED (next to the start button) indications for better user understanding
  • Charge Contactor Status Check: System now verifies the charge contactor status before shutdown to ensure safe operation
  • Motor Handling: Improved handling of POD motors during low-speed operation
  • Improved Handling of Retraction States: Improved response to changes in retraction states for better reliability
  • Internal Improvements and Bug Fixes: Various enhancements and fixes to strengthen overall system stability

1.18.2

February 28th, 2025

  • Improvements to GPS handling
  • Release rudder motor when turning off steering
  • Implement remote I/O control for easier servicing and testing
  • Center the rudder automatically when retracting to harbor mode
  • Lower DC under voltage protections in inverters to avoid triggering propulsion loss when cold battery is cold
  • Improve cooling performance and diagnostics

1.18.1

December 19th, 2024

  • Improvements to GPS handling
  • Release rudder motor when turning off steering
  • Implement remote I/O control for easier servicing and testing
  • Center the rudder automatically when retracting to harbor mode
  • Lower DC under voltage protections in inverters to avoid triggering propulsion loss when cold battery is cold
  • Improve cooling performance and diagnostics

1.17.5

October 23rd, 2024

  • Fix false reports of cooling pump errors
  • Update C-POD motor driver parameters for improved performance
  • Improvements to high-voltage charging reliability
  • Improved high-voltage battery error handling
  • Improvements to system startup and shutdown
  • Minor bug fixes
  • Internal improvements