Quote:
Originally Posted by Figleaf23
A rectangular bar with a 2mm wide edge will concentrate the striking force better than a rectangular bar with a 4mm wide edge.
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Flanged maceheads certainly seem to lend historical support to the idea that
some degree of sharpness is relevant.
However, attempting to strike through someone's armor with a 2mm thick ruler seems likely to simply snap the ruler. My money would be on both of those 'bars' being useless against armor but the 4mm making a better showing because it holds together better. (Note also that the thicker bar has twice as much mass as well as twice as much striking surface. The only thing 'diluted' by the increased cross-section is any 'follow-through' contributed by the wielder's body during the impact. Obviously actual cases of sharpening don't usually involve that much mass reduction.)