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Weapons of War The machinery of warfare. .

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  #1  
Old 16 Aug 17, 11:14
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Machines guns, left or right belt feed, why?

Much to my surprise i noticed this difference,
Is there any reason to choose either...?
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  #2  
Old 16 Aug 17, 11:27
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When you mount two MGs together you need to feed them from opposite sides.

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Old 16 Aug 17, 11:49
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Belt fed Hotchkiss MG in WW1 female tanks were right or left handed depending on which sponson they were fitted in. Similarly in some WW2 bombers the waist guns where handed on some aircraft but not on others (I think maybe that they were on B17s but not on B 24s)
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Old 16 Aug 17, 12:06
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I am asking about ergonmics, cocking handles, feeding the belt etc
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Old 16 Aug 17, 12:08
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Quote:
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I am asking about ergonmics, cocking handles, feeding the belt etc
The picture I posted didn't help?
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Old 16 Aug 17, 13:17
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I know that in some cases feeding was modified. I am wondering about infantry machines and the design principle to choose left or right feed unless It is arbitrary as in car steering.

Side magazines on smgs are on the left to hold gun with right hand while reloading.it makes a difference in that case
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Old 16 Aug 17, 13:31
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Quote:
Originally Posted by von Junzt View Post
I know that in some cases feeding was modified. I am wondering about infantry machines and the design principle to choose left or right feed unless It is arbitrary as in car steering.

Side magazines on smgs are on the left to hold gun with right hand while reloading.it makes a difference in that case
That would be "mission oriented", including personal preference of the gunner. And if they have the time to make the swap.

You might find this interesting: http://www.ibiblio.org/hyperwar/USN/ref/MG/
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Old 16 Aug 17, 13:41
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I think that it's mostly a continuation of design that guns are made for right handed people so they eject to the right, so the feed has to be from the left or below.
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Old 16 Aug 17, 14:19
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Originally Posted by johns624 View Post
I think that it's mostly a continuation of design that guns are made for right handed people so they eject to the right, so the feed has to be from the left or below.
But all the maxim Type Mgs of ww1 were right feed or left ejection save the us browning. Makes sense a modern Soviet Pk is right feed as It follows all previous design but wonder why germans switched to left feed in Mg34
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Old 16 Aug 17, 21:23
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I guess there must be a number of reasons why MG designers would go one way or the other.
However, I can think of at least one reason why left feed/right eject makes some sense for most users.
During my own service, the two MG types I used were the .30 cal Browning and the GPMG M60. Both were left feed/right eject.
With the M60 in particular, when firing from the shoulder and being right-handed, the spent casings would be ejected away from my body, to the right and pretty much over/behind my right shoulder.
One of my best mates, being left-handed, would see the casings being ejected kind of across his face/body.
One time when firing from the lying position, and on a very hot day, he had the top couple of buttons on his shirt undone.
He soon changed his mind about that button option when a couple of very hot spent casings when down inside the front of his shirt!
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Old 16 Aug 17, 21:49
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Quote:
Originally Posted by panther3485 View Post
I guess there must be a number of reasons why MG designers would go one way or the other.
However, I can think of at least one reason why left feed/right eject makes some sense for most users.
During my own service, the two MG types I used were the .30 cal Browning and the GPMG M60. Both were left feed/right eject.
With the M60 in particular, when firing from the shoulder and being right-handed, the spent casings would be ejected away from my body, to the right and pretty much over/behind my right shoulder.
One of my best mates, being left-handed, would see the casings being ejected kind of across his face/body.
One time when firing from the lying position, and on a very hot day, he had the top couple of buttons on his shirt undone.
He soon changed his mind about that button option when a couple of very hot spent casings when down inside the front of his shirt!
I remember the two lewis guns on the LCM 1 one Port one Starboard, used to spit the dead 'uns out over the deck on the Port side, not very funny if you were barefoot, ( yes it was sometimes hot enough ) but on the starboard side over the side into the sea (mainly) Depending of course which direction you were firing. lcm1
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Old 17 Aug 17, 01:06
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Quote:
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I remember the two lewis guns on the LCM 1 one Port one Starboard, used to spit the dead 'uns out over the deck on the Port side, not very funny if you were barefoot, ( yes it was sometimes hot enough ) but on the starboard side over the side into the sea (mainly) Depending of course which direction you were firing. lcm1
Never thought of that.
Perhaps stepping barefoot on hot cartridge casings could be even more uncomfortable than having them fall down inside the front of your shirt.
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Old 17 Aug 17, 01:59
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Where the spent casings go is sometimes really important. In many vehicular mounts (AFV, aircraft, etc.) the use of a casing chute or catch bag is a must. In other cases, you want the spent casings to go away because their build up, as in a fortification mount, could cause a build up of noxious gases.
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Old 17 Aug 17, 03:05
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MAG58 ejects down from the bottom of the receiver, when firing prone ejected hot brass can bounce down firers shirt sleave.
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Old 17 Aug 17, 04:46
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Quote:
Originally Posted by T. A. Gardner View Post
Where the spent casings go is sometimes really important. In many vehicular mounts (AFV, aircraft, etc.) the use of a casing chute or catch bag is a must. In other cases, you want the spent casings to go away because their build up, as in a fortification mount, could cause a build up of noxious gases.
Catch or collection bags appear to have come in in WW1 and post WW1 for economic reasons as much as anything else . The Germans were increasingly short of brass from 1916 onwards as their stock piles of copper were run down (the war had only been expected to last no more than 18 months) and their main supplier of copper (Sweden) was already at peak production. They started recycling quite early and cases were collected so that used cases could either be refilled and reused or melted down to make new cases . The Allies could afford to be more profligate but post war retrenchement led to major cuts in defence spending and the RAF started fitting collector bags on observer's Lewis guns and collection boxes for the Vickers. Prior to this the spent cases were just ejected out of the aircraft. The RN had been colledcting cases for ship board machine guns from their introduction as sailors were often bare footed (as steel decks became increasingly common and there was no longer a need to go aloft shoes became worn most of the time).
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