4.2.1 The sheerline shall be a fair continuous concave curve when view form side elevation.
Why?
Why not would surely be a better question?
because it restricts avenues of invention.
'why not' is not a better question - surely there has to be a reason for our rules. We don't just write them for fun.
Isn't this the rule that Radical Edward got around? In view they are continuous curve in plan they are not?? Maybe wrong....