The lowest stall speed occurs with which configuration?

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Multiple Choice

The lowest stall speed occurs with which configuration?

Stall speed is set by how much lift your wings can produce relative to the weight of the airplane. Extending flaps increases wing camber and lift, so you can fly slower before you reach the critical angle of attack. When the flaps are fully down for a landing configuration, the wing achieves the greatest lift at a given speed, which lowers the stall speed the most. Power setting doesn’t change the wing’s lift capability in steady flight, so idle thrust doesn’t increase stall speed; it simply avoids thrust effects that might alter flight path. So the lowest stall speed occurs with full landing flaps and engine at idle. With flaps up or with lesser flap settings, you don’t get as much lift at low speeds, so the stall speed is higher.

Stall speed is set by how much lift your wings can produce relative to the weight of the airplane. Extending flaps increases wing camber and lift, so you can fly slower before you reach the critical angle of attack. When the flaps are fully down for a landing configuration, the wing achieves the greatest lift at a given speed, which lowers the stall speed the most. Power setting doesn’t change the wing’s lift capability in steady flight, so idle thrust doesn’t increase stall speed; it simply avoids thrust effects that might alter flight path. So the lowest stall speed occurs with full landing flaps and engine at idle. With flaps up or with lesser flap settings, you don’t get as much lift at low speeds, so the stall speed is higher.

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