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Originally Posted by ATAG_Dutch
(Post 379559)
Yes I know, I'm a terribly dense person. I also forgot to mention that the synchronising gear on the cowl mounted guns of the 109 reduced the rate of fire to quite a bit less than the Brownings, thus reducing the weight of lead delivered per second even further. I have a feeling they also had a lower muzzle velocity, but not sure about that one. Sorry for being such a thicko.
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right, let's do some maths together...
the .303 had a blistering 20 rounds per second, the
synchronised MG17 shot 17, frankly not that much of a difference, especially cos the .303 bullet weight was around 10 grams and the 7.92 is 11.5 grams, but the MG/FF (in its AP format) had a poor 8 rounds per second, but was a blistering 117 grams with 3.5 grams of explosive.
Now let's look at the damage factors*: both the MG17 and .303 had an average damage factor of 10, while the MG/FF went from 90 of an AP to a staggering 206 of an HE. This is again for
one round.
so (and again this is a theory that doesn't take external factors into account) 8 .303s would deliver
at their convergence point 160 bullets in a second, for a total damage factor of 1600; 2 MG17 would deliver 32 bullets and a damage factor of 340; 2 MG/FF would deliver 16 rounds with a damage factor of 1440 (the HE would reach a blistering 3296).
So all in all we're there (unless we use HE), but in terms of efficiency per single round, it's quite obvious that one MG/FF round would cause enough damage, being the most efficient of the lot.
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The Dowding spread was soon chucked out of the window, but has no relevance to Holland's blatant exaggeration of the 109's firepower.
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How soon exactly?
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I say again, 55 seconds of cannon fire? Is that a fact, or just propaganda? Not confusing anything here mate. Poppycock and balderdash Old Boy.
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I believe he referred to total firepower, and in terms of destructive power the 7 secs of MG/FF were surely comparable to 55 secs of .303s.
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'Charlatan - One falsely claiming a special knowledge or skill' - OED. Sound familiar? :rolleyes:
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Ah so you're implying I'm a charlatan? Funny that, we lot living on Planet Reality Check thought that the charlatans were you and your esteemed colleagues coming from Planet I Fill My Mouth With Nationalistic Ideas And Never Open A Book On The Subject, go figure :rolleyes:
*for further info on damage factors, look here
http://www.quarry.nildram.co.uk/WW2guneffect.htm