A boomerang engineer is a person who designs intricate versions of boomerangs, the throwing stick used by Indigenous Australians, which are composed of two or more wings, or arms. These wings are airfoil shapes and as such are subject to a fairly well-known set of aerodynamic forces and effects.
According to aerospace engineer Rusty Harding ("the Boomerang Engineer"), there are more aerodynamic variables involved in one flight of one boomerang than there were in a flight to the moon and back.
A boomerang engineer's task, then, is to manipulate and juggle these variables to produce new flying objects, with short flights, long flights, high flights, unusually-shaped flights and more. Because several of the forces acting on a boomerang have effectively infinite variations, boomerangs can take on an infinity of shapes, sizes, and flight patterns.
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