Quote:
Originally Posted by Troll2k
Vertical"convergence" seems a misnomer as there is only 1 gun in the vertical plane and therefore nothing to converge.(I guess some planes had guns in both the horizontal and vertical planes).I would call the vertical "convergence" more of a "droop".
I guess the 109 nose cannon does not have a horizontal convergence(as it is only 1 gun) but does have a vertical droop.
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indeed, I'm not entirely sure how relevant vertical convergence is for wing-firing MGs/ Cannon. Afterall, they're only displaced vertically by a few inches from each other, even assuming some wing loading/ warping.
The furthest MGs on the spit are around 18 feet (i don't know the exact distance) apart (that's 6 or 7 metres), so the forward firing cone is quite narrow. Perhaps the worst thing one can do, is set the convergence TOO close to the aircraft, which would result in very large spread at range.