Comments by "Karl von Gazenberg" (@karlvongazenberg8398) on "The Drydock - Episode 186" video.
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12:50 As not 'Eavy Machine Guns are equal, the ballistic properties of the 50 BMG stand out, almost as good as the 20mm Oerlikon, with obviously lesser killing power.
So with a small craft, which you have to aim well to hit with bombs a twin 50 BMG is almost as good as a 20mm.
There is also the thing that ships got strafed, smaller ones to be sunk by aircraft cannon, even HMG fire, largee ones to suppress AAA crew.
And in these cases, even your HMG killing range is greater than aircraft gun range.
And there is the issue of a pilot having to make an attack run, when an awfull lot of tracers coming at him (only seeming to turn away in the very last moment).
Om the other hand, when the solid nose B-25 and A-26, as well as the "ten gun terror" Beaufighters begun to harass shipping... Its was not a good day to lack 40+ mm AAA in great numbers.
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