Comments by "Steve Valley" (@stevevalley7835) on "USS Tang - Guide 170 (Extended)" video.
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@Axel0204 I'm not Drach, but my 2 cent's worth. On paper, the 1.1 is the more effective gun. From the data I have found, the projectile of the 1.1 weighed .917lbs vs .55 for the 25mm. Max altitude for the 1.1 is 19,000ft vs 18,040 for the 25mm. While the 25mm had a higher cyclic rate of fire, reloading dropped the effective rate of fire down to 120-110 rpm vs the 1.1's 100rpm. The 1.1 had a loading machine with space for two clips. The loading machine would automatically switch from an empty clip to the full one, so the empty could be replaced without stopping fire. The one major problem with the 1.1 was it's variety of ways of jamming. From my readings, by the end of the war, the gunner's mates had figured out how to make the gun operate reliably as they were not pulled from service, but rather transferred to lower priority ships as they were replaced by Bofors in combat ships, so the gunners had time to work out the problems with them.
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