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Open Access Articles- Top Results for Endurance (aeronautics)

Endurance (aeronautics)

In aviation, endurance is the maximum length of time that an aircraft can spend in cruising flight. Endurance is different from range, which is a measure of distance flown. For example, a typical sailplane exhibits high endurance characteristics but poor range characteristics.

Endurance can be defined as:

<math>E=\int_{t_1}^{t_2}dt=-\int_{W_1}^{W_2}\frac{dW}{F}=\int_{W_2}^{W_1}\frac{dW}{F}</math>

where W stands for fuel weight, F for fuel flow, and t for time.

Endurance can factor into aviation design in a number of ways. Some aircraft, such as the P-3 Orion or U-2 spy plane, require high endurance characteristics as part of their mission profile (often referred to as loiter time (on target)). The Endurance plays a prime factor in finding out the fuel fraction for an aircraft. The Endurance, like range, is also related to fuel efficiency; fuel-efficient aircraft will tend to exhibit good endurance characteristics.

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