Quote:
Originally Posted by gaunt1
soviet 12.7 is underpowered currently. For 20mm, some are good (Hispano, MG-151, some are vastly overpowered (ShVAK), some are a bit weak (certain japanese guns)
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Presumably, they all use some sort of calculation for weight of fire, based on bullet mass, muzzle velocity & ballistic coefficient. While there might be other elements of how a bullet inflicts damage based on terminal ballistics (e.g., likelihood of tumbling or shattering on impact), that seems like the best way to do it.
My point wasn't that some heavy MG are comparatively over- or underpowered, its that I think there's a good argument to be made that ALL HMG are a bit overpowered in their ability to inflict airframe damage.