How is the landing gear retracted in the ERJ-145?

The landing gear in the ERJ-145 is retracted using hydraulic power. The hydraulic system provides the necessary force to move the landing gear and ensure reliable operation during the critical phases of flight, such as takeoff and landing.

Hydraulic systems are commonly employed in aircraft for various functions, including the operation of landing gear, due to their ability to transmit large amounts of power through fluid movement. In the ERJ-145, the landing gear is designed to retract and extend smoothly and efficiently using this hydraulic mechanism, which is vital for maintaining safety and performance during operations. This reliance on hydraulic power distinguishes it from other forms of actuation, such as mechanical or electrical systems, which may not provide the same level of capability for heavy loads and reliable performance in critical situations.