Question

write a report about the ( effect of wind on range and endurance)

Answer 1

Range and Endurance

Both the range and endurance of an aircraft depends on rate of fuel consumption of the engine, and therefore, on the type of engine that is involved - output measured in terms of thrust or output measured in terms of power. We generally consider the range to be the distance the aircraft can fly from a given speed and altitude until it runs out of fuel and the endurance as the time it takes to run out of fuel. As one might expect, there is a flight condition that will give us the best range for a given aircraft, and a different flight condition that will give us maximum endurance.

Effect of Wind on Range and Endurance

Since time aloft doesn’t depend on location with respect to the ground, wind has no effect on endurance. However, range can be considerably affected by the wind. If we assume that the wind is blowing along the flight trajectory, the range can be given by:

If the wind was a tail wind, one would want to fly slower to take advantage of the tail wind to add to the range. The longer the time aloft, the more the wind aids in the range. On the other hand, a head wind reduces the range, so one might want to reduce the time aloft to reduce the effect of the headwind on the range. So one would fly faster then normal in a head wind.