They had no conventional wings or control surfaces such as tail feathers or fins.

This gave greater lift and more docile stalling behavior than conventional thin wings.

This, in turn, means that it does not need as much lift or thrust, which permits smaller engines, and allows conventional wings to be used.

The aircraft did not have conventional wings, and instead featured a large rotor.

Military trainer development with conventional wing and more powerful engine.

The delta wing provided more of a cushion of air than a conventional straight wing could.

The conceit of the closed room is, moreover, broken when the dancers and even a dog come rushing out from conventional wings at stage left.

This led to the Gull 4, which had a more conventional, less complicated straight wing.

Only beyond the channels did the conventional wings regain their mid-wing configuration.

For conventional wings that are flat on the bottom and curved on top this makes some intuitive sense.