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3. As an additional bit of info, on the Airframe H63 "unstreamlined cross section" tab, RA has indicated a number as little as 1/3 the default is acceptable for inlines vs. radials.
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Originally posted by Hrolf Hakonson
Re: 2 - As far as I can tell, the spreadsheet formulas are designed to produce fairly reasonable numbers for a couple bore sizes, but they fall down when you get too much bigger than that (you don't want to see how heavy it thinks a 50mm MK-214 should be). For sizes of guns above .50 for machineguns and 20mm for cannon, you're better off unprotecting the sheet.
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Originally posted by Red Admiral
From looking at the varying weights between models of the Yak-9 with enigne mounted cannons, I estimated that a low powered 37mm should be around 250kg with higher powered ones around 300kg including the bracing. For larger guns of around 45-50mm, something like 450-500kg seems reasonable.
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Originally posted by Hrolf Hakonson
The complete round for the M4 weighs 1.99 lbs, the projectile by itself weighs 1.37 lbs. The M4's muzzle velocity is A LOT higher than that of the MK19: the M4's muzzle velocity is around 2,000 fps, where the MK19 is around 800 fps. What I'm finding difficult to find is the weight of the MK19's grenades.
This post has been edited 2 times, last edit by "Carthaginian" (Mar 5th 2008, 8:48pm)
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