Features

February 2016 Issue

Weight Force & the Lift Equation

If the airplane’s weight force increases to 2150 lbs as described in the main text, then to maintain altitude and straight-and-level flight, the total lift force generated by the wings must increase proportionately using the equation in Table 1, at right. According to the lift equation, assuming wing area cannot be increased in flight (e.g., increasing wing surface area by deploying Fowler flaps) and air density is constant, a pilot may increase the wing’s lift…

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