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Message: <blockquote data-quote="Celebrim" data-source="post: 6897892" data-attributes="member: 4937">Is this primarily for a wargame or an RPG?Overpressure/concussive waves in most weapons are not particularly lethal, and op analysts as early as WWI learned that if the human body wasn't in direct line of a projectile, it could survive an amazing amount of momentary pressure.   Guys in foxholes or other depressions might have their ear drums busted and suffer mild concussion from a nearby artillery shell, but unless we are talking about something like a fuel-air explosive the kill radius of a weapon is hard to define.  Anti-personnel weapons generally are designed to produce a cloud of fragments that does most of the killing beyond the first few meters.  These clouds are typically not symmetrical, particularly in older primitive shell designs, and very quickly develop gaps.  A typical older 155mm HE anti-personnel shell might produce 4000 fragments.  At a radius of 15 feet, that's a density of 5 fragments per square foot - ripping apart any fleshy thing in its way.  But at a distance of 75 feet, that's only 1 fragment every 20 square feet.   It's possible that a person at that distance would get missed by metal fragments entirely, suffering only from the blast wave and secondary debris.  The person might still be seriously hurt, especially if they were standing up and unprotected, but my point is that blasts aren't symmetrical and after a certain point how badly you get hurt is extremely random.   You could get nothing, and the guy standing next to you could have his head completely taken off.</blockquote>

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