When the boomerang is thrown with high spin, the wings produce lift.
When the airplane produces lift, another drag component comes in.
A lifting body is a configuration in which the body itself produces lift.
The result is a great increase in the volume of trapped air, which, when properly arranged, can produce greater lift.
This arrangement was meant to produce high lift for take-off with low drag.
In a steep turn the wings produce less lift and the plane can fall out of the sky.
A lifting body is an aircraft body shaped to produce lift.
Usually the controllability is even increased, because there is no need to produce lift.
By moving its wings, the animal can produce lift and get off the ground.
At the same time, a rotor blade in the retreating half produces less lift.