To provide an object having an aerodynamic shape, and particularly, an environment-resistant protection layer on an outer surface thereof.
When an object 30 is produced, a design aerodynamic outer shape is selected from an existing object having a first main body and a first outer part. A change outer part 36 having smaller volume than that of the first outer part is selected and is joined with 14, 16 of a region having substantially smaller quantity than all of 12, 14, 16 of a change main body outer face 34. A change main body 32 has the change main body outer face 34 and the change main body outer shape 34 which differ from the first main body substantially by this quantity. The change main body 32 is produced so as to have the change main body outer shape 34. Next, the change outer part 36 is joined with regions 14, 16 of the change main body outer face 34. As a result, the change main body 32 and outer faces 34, 38 of the change outer part 36 are joined together to determine a design aerodynamic outer shape.
DANOWSKI MICHAEL JOSEPH
CLARKE JONATHAN PHILIP
