What is the maximum engine Brake Horse Power permitted for continuous safe operation called?

The term you're looking for is commonly referred to as Rated Power. This designation represents the maximum Brake Horse Power (BHP) that an engine can produce continuously under rated conditions without overheating or suffering significant wear. It reflects the engine's design capacity for long-term use, ensuring reliability and performance in operational contexts. Rated Power is typically validated during testing and provides a benchmark for performance expectations in applications such as stationary machinery or vehicles.

In contrast, the other terms usually describe different operational limits or scenarios. For instance, Maximum Power might imply a peak output that is not sustainable over time, while Take Off Power generally applies to aviation settings, where such a power level is used during takeoff but may not reflect continuous operation limits. Critical Power might refer to a threshold where operational efficiency or safety could be compromised but lacks the specific continuous context associated with Rated Power. Thus, Rated Power accurately encapsulates the idea of a maximum output that can be reliably maintained in the engine’s specified conditions.