Quote:
Originally Posted by Pursuivant
This is very good information, the sort of quantitative data that's hard to come by. Thank you for posting it. Since the numbers for the gun positions on the two different bombers were reasonably close, the data could possibly be used for similar weapons mounted on other U.S. bombers, like the B-25 or the A-20.
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The data for the
open waist positions is the most relevant to the majority of man-served guns; it was a pintle-type mount rather than one in a reinforced ball socket mount, similar to the majority of the rear gunners in the sim. Scharf ring and pintle mounts are much more subject to vibration and flex.
Note also that the data is for ground testing, which means that there is no relative motion to joggle the gunner's elbow or guesstimations about where the target was going to be when the bullets got there. Chances are good that the guns were sighted in and then clamped down and fired by a fixed remote to get those figures in order to eliminate human error.
cheers
horseback