-Arming/Knightly Sword: 2.4 lb
-Long Sword: 2.4 - 4.0 lb
-Claymore: 4.9 - 6.2 lb
-Zweihander: 4.4 - 7.1 lb
D&D rules are generally pretty good with things like equipment weight and time to don armor. It's anime, fantasy art, and video-games which really push the 'all weapons worth mentioning are 100-pound slabs of metal' meme.>>56393078
Sledge hammers aren't well-balanced, nor are they intended for agility in a combat situation. And you probably aren't in the same physical condition as the trained soldiers who were expected to use swords in battle.