Machines | Schwarzlose M1907/12 Heavy Machine Gun at James D Julia
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http://jamesdjulia.com/item/2029-373/ The M1907/12 heavy machine gun was the standard mounted MG of the Austro-Hungarian Empire during the First World War, and saw sporadic use clear through the end of WWII. The design is unusual among heavy machine guns because it is actually an unlocked, delayed blowback system. A combination of a heavy recoil spring and significant mechanical disadvantage is used to retard the breech to the point that extraction pressure is low enough to be safe (and extraction is aided by the use of a cartridge oiler). These are definitely underappreciated guns today, being one of the most compact and simple guns of their type. http://www.forgottenweapons.com Theme music by Dylan Benson - http://dbproductioncompany.webs.com
Comments
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Awesome channel, found this channel while watching The Great War with Indy
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You said it is a lightweight gun, but it looks fairly heavy.Can gun operator carry this by himself? doesn't look very portable.
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I guess high speed pictures would be pictures taken while running past the gun at high speed.
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Ian, your videos are very professional and informative. I thoroughly enjoy watching your posted work. Keep up the great job and I look forward to seeing more!
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Define "light weight." That thing still looks like something I wouldn't want to haul up the side of a mountain. And there are a lot of mountains in Austria.
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And sentry carries this thing around in bf ....
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That gun has taken many of lives. Probably the most you have ever showcased. Very bad vibes.
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I see Luger in there.
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I just found the Fort George G. Mead Museum, have you ever been there? They are soon going to have a WWI Machine gun exhibit . You have to contact the museum to get in as it n base but they are very helpful .
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Is this still a Class 3 firearm even though it fires from a closed bolt?
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I have read that the short barrel was to drop the chamber pressure sooner, necessary because of the blowback design. This is so that you did not get a lot of burnt gasses blasting out the ejection port and rupturing the case. Please clarify.
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Greek Army used this HMG during WW2 along with the Mannlicher-Schoenauer rifle. Greeks loved Austrian design weapons!
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All I know about the Schwarzlose was that -- because it used delayed blowback -- it was tricky to make it work with synchronization gear for the kuk Luftfahrtruppen; that is, it never worked quite right on airplanes firing through the propeller arc. What was it about delayed blowback that made that a problem?
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how much did this sell for?
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Man, the parts on that gun look colossal compared to other fire arms I've seen on this channel. That charging-handle looks like it could dubble as a trench-club! :D
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That reminds me more of a motor of some sort than a firearm :D
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Was this one in 8x50R or 8x56R?
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It seems very strange to me that the fill port is on top of the top side of the jacket, and the drain port on the bottom. In first instance you would think that it makes sense due to gravity, but very similar sort of setups are used in chemistry to cool vapours. The reason why I think it would make more sense for the top port to be the drain port (and also the same reason it is this way in chemistry setups), is that in the case the water starts to boil (even slightly develop bubbles) the bubbles will rise upwards. Now if the top port is the filling port, this can cause a buildup of air in that hose since the air is trying to rise and is trapped in said hose. Best case scenario this restricts the water flow, making cooling less efficient (thus heating the barrel and water up quicker), worst case the water starts superheating and expanding tremendously, although i think the barrel would start failing before that. In any case, if the ports are swapped, the water pushes the bubbles through the upper drain port and to the reservoir, since the tube to the reservoir is usually not the one connected to the pump the bubbles will just go into the atmosphere.
Which brings up a second point, because filling from the bottom upwards would reduce the amount of air trapped in the system, since it pushes out these bubbles.
Do you know why they actually did it with the fill port on top? -
I had read that the barrel was made so short to ensure that bullet leaves the barrel and the pressure drops before it blow up the case.
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Ian, could this weapon be modified to chamber the 7.62x54r cartridge?