DES 428 BBMG Torque 9mm Digital Servo
DES 428 BB MG Servo

DES 428 BBMG Torque 9mm Digital Servo

P/N: 7911


Equipped with a remarkable set of features and value, the Graupner DES 428 BBMG Ultra-Thin Digital Servo that provides an ideal combination of weight, speed and holding power. The heavy-duty gear and programmable SMT circuitry creates a reliable and accurate response making it the perfect choice for sailplanes, small-scale airplanes and sports planes.

The DES 428 BBMG can be specially programmed to meet your unique specifications via the free Graupner Servo Setup Software.


  • Digital servo featuring dynamic torque, excellent Speed, superior response and holding torque
  • Programmable Digital Circuit and SMT circuitry
  • 1024 high resolution
  • Supporting 1-16µ depending on programming
  • Covering the wide range of frame rate 20Hz-400Hz
  • 10-bit processing circuit (2x resolution compared to 10-bit processing circuit)


  • Sailplanes F5J, F5B, F3J, F3B etc.
  • Small scale airplanes
  • Sport planes


  • DES 428 BBMG Digital Servo
  • Horn set