Quote:
Originally Posted by Grant-53
The 5th edition does not list fineness in the index but does discuss d/l ratio. Since an automobile is not a body of rotation tapered to a point this is more applicable to aircraft. Compound curved panels are more costly to stamp than flat panels generally speaking. My interest is chiefly in body shells for commuter bicycles. Drag and stability are issues to be addressed.
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This is one approach to making very low drag, compound curved shapes. It was covered on a website I edited (Autospeed) but I am not sure the articles are still up. It used foam rubber heated and pulled into shape.
