What Does PRGB Stand For?

PRGB stands for Proprotor Gearbox

PRGB, or Proprotor Gearbox, is a critical mechanical component used in helicopter and unmanned aerial vehicle (UAV) systems. It serves the essential function of transmitting power from the engine to the rotor system, enabling optimal rotor speed and performance. Designed for durability and efficiency, the PRGB incorporates advanced engineering techniques to ensure reliable operation under various conditions, contributing to overall flight stability and control. Its sophisticated design helps minimize weight while maximizing torque and reliability, making it an indispensable component in modern rotorcraft technology.