Constant speed Prop and Flap controller

Two in one


RPM & Flap


Two in one, constant speed propeller regulator and flap controller. Standard 57mm air norm size, with sunlight readable display. 320*240 RGB screen, displays actual and required RPM, flap position, engine hours. Propeller speed is regulated with smart PID regulator, which can be customized by user, depends on number of propeller blades.
  • ARM Cortex-M4 processor running on 160MHz
  • 2.5'' QVGA sunlight readable screen with 1200nits
  • QVGA (320*240pixels) sunlight readable display
  • 6A output for driving propeller pitch
  • 6A output for driving flaps
  • External SD card 
  • rotary switch (knob) with push button function for RPM adjustment
  • 2 push buttons for flap setting 
  • ALS (ambient light sensor)
  • 57 mm air norm size
  • Manual or automatic adjustment of propeller speed
  • Engine time
  • Input for measuring engine RPM
  • CAN input for optional eCopilot integration
  • user configurable parameters for PID regulator
  • user programmable flap positions up to 5 flap positions
  • Biult in RTC - real time clock (for logging errors) 


  • 16 bit color display
  • 2.5” (~ 6.5cm) screen
  • 320 by 240 pixel resolution
  • High brightness - sunlight readable


  • 1Mbit CAN BUS
  • High voltage RPM input (5-100V)
  • Rotary knob with push button
  • Three push buttons
  • 6A output H bridge for driving propeller pitch
  • 6A output H bridge for driving flaps


  • Power input 9-25V DC
  • Consumption 120mA, without driving propeller or flaps


  • 57 mm (2.2") standard aircraft cut-out 
  • Size: 61x61x 53mm (exclusive connectors)
  • weight: 215g



Copyright © LXNAV 2016 All rights reserved.
Kidričeva 24a, Celje, savinjska.
Phone: +386 592 33 400

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