Chinese engineers are working on a highly unusual aircraft design that traces its roots back to the 1970s. The design is based on the “scissor wing,” also called an oblique rotating wing. Unlike ...

But the variable-sweep wing design seems to have gone out of fashion most recently. As the name suggests, “variable-sweep” wings are aircraft wings that can be adjusted to different degrees of ...

Mandel Lenkowsky Early Vertical Flight Development Collection / Series 2: Scientific and Mathematical Notes, Aircraft Drawings, and Published Works Material is ...