Final answer:
The engine operating limit N2 at Normal T/O refers to the maximum rotational speed of the engine's low pressure compressor, also known as the N2 rotor speed. This limit is typically specified by the manufacturer and is expressed as a percentage of the maximum N2 speed.
Step-by-step explanation:
The engine operating limit N2 at Normal T/O refers to the maximum rotational speed of the engine's low pressure compressor, also known as the N2 rotor speed. This limit is typically specified by the manufacturer and is expressed as a percentage of the maximum N2 speed. For example, if the engine operating limit N2 at Normal T/O is 95%, it means that the N2 rotor speed should not exceed 95% of its maximum speed during takeoff.
The specific operating limits for an aircraft engine, including N2 (the rotational speed of the high-pressure spool, typically associated with the compressor section), at takeoff (T/O), can vary depending on the aircraft type and engine model. Without specific details about the aircraft or engine, I can't provide the exact numerical value.
In aviation, such information is typically found in the aircraft's operating manuals, specifically in the performance charts or tables. Pilots and maintenance personnel refer to these documents to ensure that the aircraft operates within its specified limits.
If you have the aircraft's documentation, you can find this information in the Limitations or Performance sections of the relevant manual. If you're not sure where to find it or if you're not authorized to access such information, it's best to consult with qualified aviation personnel or refer to the aircraft's official documentation.