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Post by Puma1 on Sept 8, 2013 22:18:02 GMT -5
I've been wondering for a long time how GBB rifles actually work. I know with RS there are 3 types of blowback, but I haven't found out if airsoft follows any of these in specific.
I'm simply looking to see if it follows one of them ( recoil, gas system, or the blowback system.) or if not, what it does use to blow back. I've never really owned a GBB before, so I'm at a loss as far as taking it apart.
thanks for your help, I'm just curious here.
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Post by cqbr on Sept 8, 2013 22:57:02 GMT -5
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Post by snafu on Sept 8, 2013 23:02:49 GMT -5
That woman is gorgeous JD.
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Post by Puma1 on Sept 8, 2013 23:04:42 GMT -5
sorry for apparently being dumb, I'm just really interested in seeing how it works.
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Post by cqbr on Sept 8, 2013 23:17:45 GMT -5
That woman is gorgeous JD. Hey!, hands off man.
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Post by M.S.-ARC on Sept 9, 2013 10:10:09 GMT -5
If you are going to the next no limits game on the 21st come and find me and I'll show you how the KJW M4 functions.
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Simon
New Member
Posts: 379
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Post by Simon on Sept 9, 2013 10:12:24 GMT -5
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Post by racoon2014 on Sept 9, 2013 13:26:02 GMT -5
Gas blowbacks don't use piston or gas systems. It's not like a real steel. Just as an AEG it has a false gas tube. Other than that, I cant tell you much else.
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Post by Shadow (314) on Sept 9, 2013 17:23:13 GMT -5
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Post by Squirrel on Sept 9, 2013 20:00:17 GMT -5
I would say the following physics principals apply:
Boyle's Law Charles's Law Gay-Lussac's law Avogadro's law
That is just on the gas side though. There are many more laws of motion that also apply.
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Post by Thor on Sept 9, 2013 21:22:55 GMT -5
The principles behind how gas blowback guns and automatic electric guns work are more or less the same. In a GBB, a compressed gas is allowed to release into a confined space and then is channeled out the nozzle propelling the BB out the barrel. An AEG merely uses gears and springs to compress air instead. That is literally as simple as I can think to explain how airsoft guns work. They all share that same basic operating function. Only the gas used and the method of compressing it are different.
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Post by Puma1 on Sept 9, 2013 22:14:04 GMT -5
okay. I think I've got a better understanding of how it works. I was more or less looking for something like what wraith sent me too. M.S. arc, if I make it out that would be awesome. Shadow, not quite what i was looking for but it was helpful all the same. Thor, i didn't really think of it like that until you threw it out there. thanks
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echo5
New Member
Posts: 229
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Post by echo5 on Sept 12, 2013 13:58:21 GMT -5
Gas blowbacks don't use piston or gas systems. It's not like a real steel. Just as an AEG it has a false gas tube. Other than that, I cant tell you much else. I'm not trying to start a shit storm, but I have to disagree with this statement. Yes, both an aeg and a gbb propel a bb by compressed air or gas, but a gbb is different unless you are referring to the classic, non bolt moving rifles. Even the most basic WE rifle is different from an aeg. The bolt, has to travel back into the buffer tube where it is met by a recoil spring, and then moves forward to pick up the next round out of the magazine and load it into the hop up, or on the real steel, the barrel. Although they are not compatible in any way the airsoft manufacturers who are trying to give more realism to the MilSim aspect of the community do try to make it as close to real function as possible. I.E. moving bolts, recoil return, hammers, ect...and as far as the gas tube, some of the high end gbb rifles now incorporate a gas tube system as way to help get rid of some of the forward forced gas and aid in the blow back. Just FYI. Trying to help the conversation, not piss anyone off.
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Post by M.S.-ARC on Sept 12, 2013 20:28:11 GMT -5
Gas blowbacks don't use piston or gas systems. It's not like a real steel. Just as an AEG it has a false gas tube. Other than that, I cant tell you much else. I'm not trying to start a shit storm, but I have to disagree with this statement. Yes, both an aeg and a gbb propel a bb by compressed air or gas, but a gbb is different unless you are referring to the classic, non bolt moving rifles. Even the most basic WE rifle is different from an aeg. The bolt, has to travel back into the buffer tube where it is met by a recoil spring, and then moves forward to pick up the next round out of the magazine and load it into the hop up, or on the real steel, the barrel. Although they are not compatible in any way the airsoft manufacturers who are trying to give more realism to the MilSim aspect of the community do try to make it as close to real function as possible. I.E. moving bolts, recoil return, hammers, ect...and as far as the gas tube, some of the high end gbb rifles now incorporate a gas tube system as way to help get rid of some of the forward forced gas and aid in the blow back. Just FYI. Trying to help the conversation, not piss anyone off. Which high end gbbr's are using a functional gas tube system? Seems a little redundant for airsoft but would be interesting to see how it works.
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Post by racoon2014 on Sept 13, 2013 8:33:57 GMT -5
Gas blowbacks don't use piston or gas systems. It's not like a real steel. Just as an AEG it has a false gas tube. Other than that, I cant tell you much else. I'm not trying to start a shit storm, but I have to disagree with this statement. Yes, both an aeg and a gbb propel a bb by compressed air or gas, but a gbb is different unless you are referring to the classic, non bolt moving rifles. Even the most basic WE rifle is different from an aeg. The bolt, has to travel back into the buffer tube where it is met by a recoil spring, and then moves forward to pick up the next round out of the magazine and load it into the hop up, or on the real steel, the barrel. Although they are not compatible in any way the airsoft manufacturers who are trying to give more realism to the MilSim aspect of the community do try to make it as close to real function as possible. I.E. moving bolts, recoil return, hammers, ect...and as far as the gas tube, some of the high end gbb rifles now incorporate a gas tube system as way to help get rid of some of the forward forced gas and aid in the blow back. Just FYI. Trying to help the conversation, not piss anyone off. I get what you mean. I just meant that its not like real steel as in the gas system; gas traveling through a gas tube pushing the bolt back to chamber another round, the basic GBBs anyway I guess. I have a WE and a Bushmaster and I do get how they both work, but the systems are different as in pushing the bolt back. We'll at least the ones I have seen. Just wondering here, but what brands are doing that? I must see it! Sorry if my statement came off as false.
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