Quote:
Originally Posted by Varyon
So, yeah, bullet drop is something that needs to be accounted for beyond fairly close range.
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It's also rather well known and easily solved even by simple mechanical calculators. The main situation where it actually matters is when you're
wrong about the range to the target; if you think the flight time is 0.2s (8" drop) and it's actually 0.3s (18" drop) you just missed by 10".
Note that not knowing the range is also a problem against moving targets, and against fast moving target it's a very large problem. If you're shooting at passengers in a vehicle moving at 30 mph (44'/s), it only takes about a 0.02s error in estimated travel time (corresponding to 10" lateral displacement) to completely miss.