During takeoff, what is the engine TRQ limit?

• A. 108.5%
• B. 100%
• C. 115%
• D. 95%

Answer: (A)

The engine torque (TRQ) limit during takeoff for the TH-73A is established at 108.5%. This limit ensures that the engine operates within safe operational parameters while providing the necessary power during the critical phase of takeoff. Exceeding this limit can lead to potential engine damage or failure, compromising both safety and performance.

The 108.5% TRQ limit is designed to accommodate the variances in operational conditions, such as weight, temperature, and altitude, while still delivering optimal performance. This allows pilots to effectively control the aircraft during takeoff, ensuring they have sufficient power to achieve a safe climb.

Maintaining awareness of engine limits, particularly during takeoff phases, is crucial in preventing unnecessarily strained engine conditions and prolonging the lifespan of the aircraft's engines. Understanding the limits allows pilots to operate the aircraft efficiently and safely, making this knowledge an essential part of flight training and operation.