It's so funny that they're using ITAR to as an excuse when there's literally tens of millions of AKs available in 3rd world countries. It's to keep us from arming ourselves.
Exactly. Just like the PGP shenanigans.
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Defense Distributed Shut Down by DOD
- Thread starter KiloVictorTango
- Start date
It's so funny that they're using ITAR to as an excuse when there's literally tens of millions of AKs available in 3rd world countries. It's to keep us from arming ourselves.
Exactly. Just like the PGP shenanigans.
inerlogic
NES Member
I DLed them the minute I heard about the censorship. Luckily for me my friend is now getting/assembling a printer.
I don't care about the files or the content but i just downloaded it to have it because they don't want me to have it. Also MAYBE I might want them in the future
damn I probably have black vans surrounding my house now.
damn I probably have black vans surrounding my house now.
Interesting post pertinent to the ITAR discussion, since the Chinese have displayed what appears to be a Predator clone. The US has recently accused the Chinese of engaging in "cyberwarfare" against the US, the French have been accused of using state agents to commit industrial espionage, and I once even had a Pakastini (many years ago) contact us about buying an eight-processor Silicon Graphics computer system that had two primary uses: predicting weather and designing nuclear weapons. I called the local FBI office.
Defcad aside, I am really not into having other, potentially hostile countries copying technology we spent our hard-earned taxpayer dollars on. That does not apply to a single shot pistol.
None of those links work as of 7am 5/12/13? Nor does the NZ link.
Forbes ran these articles and the full text of the State Department letter is online there.
As some of you know, we make a living selling commercial 3D printers. So questions of legality aside, I want to tell you all to be careful when using this technology. Careful in the way your shop teacher told you to be careful, or maybe even "You'll shoot your eye out, kid."
There are a number of processes and materials used to make 3D printed parts. There are big, big differences between, say, a part made from ABS on a RepRap or other "Maker grade" machine, different photopolymer-based systems, and the types of large, sophisticated machines used in industry.
DEFCAD used a commercial 3D printer to build the parts for this gun, and their stated design goal was to build one good for one shot. The cost of the materials to build this "single shot, single time" gun probably exceed what you can buy a good pistol for at a gun shop.
So, for those of you considering actually making one of these things, I'd be very, very careful with test firing. The fact is that someone with minimal machining skills could make a hell of a lot more practical gun for a hell of a lot less money in a hell of a lot less time.
And that's the safety concern. The only real advantage of a 3D printed gun is that you need no skill, experience or intelligence to download the files and print them. So don't let your dumbass friends hurt themselves. I won't be printing one of these out as I'd rather be using the material for important stuff like motorcycle parts.
The one thing I didn't see in the Defcad test firing is a chronometer. AFAIK they used a .380 cartridge, with a standard commercial brass case and typical loading. These cartridges usually generate about 200 ft lbs of energy when fired from a steel barrel. I would like to point out to you non-physicists and engineers that kinetic energy varies as the square of the velocity - the formula is 1/2 times the mass times the velocity squared. Put another way, if muzzle velocity is halved, the muzzle energy is one quarter.
It's not far-fetched to think that a very short plastic chamber and barrel would generate half to two thirds the muzzle velocity of a precision-made commercial product. So you'd have a bullet fired one time out of an unrifled barrel that would deliver somewhere between 50 and 100 ft lbs of energy: substantially less than a .22LR.
From a public safety perspective, the cartridge is still metallic and uses commercial - detectable - propellant. There are all manner of ways in which people conceal firearms, so the TSA and others seem to be focused on looking for suspicious-looking metallic parts and the propellants used for ammunition and explosives. So man's best friend in the form of a explosive-sniffing Labrador Retriever will likely remain as our primary defense when flying.
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namedpipes
NES Member
Same here. Right after, I "ran into" a local PD detective that chatted me up a little. I'm certain it was a coincidence, but there will always be that little nagging question inside.
![[laugh]](/xen/styles/default/xenforo/smilies.vb/012.gif "Laugh [laugh]")
Quiet
Banned
Too bad we used our most sophisticated weaponry to go after binLaden and let it fall into the hands of the Chinese.
We need to limit access to this forum, no foreign IPs. Your posts are now limited to discussion of grumpy cat captions.
Interesting post pertinent to the ITAR discussion, since the Chinese have displayed what appears to be a Predator clone. The US has recently accused the Chinese of engaging in "cyberwarfare" against the US, the French have been accused of using state agents to commit industrial espionage, and I once even had a Pakastini (many years ago) contact us about buying an eight-processor Silicon Graphics computer system that had two primary uses: predicting weather and designing nuclear weapons. I called the local FBI office.
Defcad aside, I am really not into having other, potentially hostile countries copying technology we spent our hard-earned taxpayer dollars on. That does not apply to a single shot pistol.
None of those links work as of 7am 5/12/13? Nor does the NZ link.
Forbes ran these articles and the full text of the State Department letter is online there.
As some of you know, we make a living selling commercial 3D printers. So questions of legality aside, I want to tell you all to be careful when using this technology. Careful in the way your shop teacher told you to be careful, or maybe even "You'll shoot your eye out, kid."
There are a number of processes and materials used to make 3D printed parts. There are big, big differences between, say, a part made from ABS on a RepRap or other "Maker grade" machine, different photopolymer-based systems, and the types of large, sophisticated machines used in industry.
DEFCAD used a commercial 3D printer to build the parts for this gun, and their stated design goal was to build one good for one shot. The cost of the materials to build this "single shot, single time" gun probably exceed what you can buy a good pistol for at a gun shop.
So, for those of you considering actually making one of these things, I'd be very, very careful with test firing. The fact is that someone with minimal machining skills could make a hell of a lot more practical gun for a hell of a lot less money in a hell of a lot less time.
And that's the safety concern. The only real advantage of a 3D printed gun is that you need no skill, experience or intelligence to download the files and print them. So don't let your dumbass friends hurt themselves. I won't be printing one of these out as I'd rather be using the material for important stuff like motorcycle parts.
The one thing I didn't see in the Defcad test firing is a chronometer. AFAIK they used a .380 cartridge, with a standard commercial brass case and typical loading. These cartridges usually generate about 200 ft lbs of energy when fired from a steel barrel. I would like to point out to you non-physicists and engineers that kinetic energy varies as the square of the velocity - the formula is 1/2 times the mass times the velocity squared. Put another way, if muzzle velocity is halved, the muzzle energy is one quarter.
It's not far-fetched to think that a very short plastic chamber and barrel would generate half to two thirds the muzzle velocity of a precision-made commercial product. So you'd have a bullet fired one time out of an unrifled barrel that would deliver somewhere between 50 and 100 ft lbs of energy: substantially less than a .22LR.
From a public safety perspective, the cartridge is still metallic and uses commercial - detectable - propellant. There are all manner of ways in which people conceal firearms, so the TSA and others seem to be focused on looking for suspicious-looking metallic parts and the propellants used for ammunition and explosives. So man's best friend in the form of a explosive-sniffing Labrador Retriever will likely remain as our primary defense when flying.
In other words there is more then one way to skin a cat,
Many people knew how to make guns and ammo way before 3d printers, the government is just try to look like its doing something to solve a non problem
Also the fact that the government is so supprised that the chinese has a UAV is laughable, hell my dad an i were building and flying model RC aircraft long before the government figured out you could strap a camera to it and spy one people.
Hell I know people who could build a RC aircraft out of anything, its not as hard as they make it out to be you just got to have more money the bigger it gets
he has been taunting them and nipping at their balls, not fatal, but embarrassing. .gov will try to make an example out of him. We'll see how it turns out.
Shit, when I was 9 and building planes Balsa wood was so exotic, we'd look at it as it was some magic polymer. We literally use Ivy branches to form ribs of the wings. Some of the modern materials make much better and durable planes, but you can still make them the old fashioned way.
Grumpy cat posts can tend toward sarcastic and seditious wrong-thinking, we will have to ban those...
Only positive posts about how "chocolate rations have been increased by 30% this week!" will be allowed...
dcmdon
NES Member
Gentleman. If you are trying to download these files, the best answer is to download a torrent client and get it.
The amazingly beautiful thing about the bit torrent system is that the more demand there is for a file, the FASTER and better it works. Its counter intuitive, but while you are downloading, you are also uploading the parts you've already downloaded to others.
So its the best way to get popular items.
I wanted the files just because they don't want me to have them. So here I sit. . . . with my files. The mega pack and the Liberator.
If you want he file and are afraid of torrents, PM me. I'll make sure you get it.
I will be checking IP addresses to make sure you are in the US so I don't run afoul of ITAR regs.
Don
The amazingly beautiful thing about the bit torrent system is that the more demand there is for a file, the FASTER and better it works. Its counter intuitive, but while you are downloading, you are also uploading the parts you've already downloaded to others.
So its the best way to get popular items.
I wanted the files just because they don't want me to have them. So here I sit. . . . with my files. The mega pack and the Liberator.
If you want he file and are afraid of torrents, PM me. I'll make sure you get it.
I will be checking IP addresses to make sure you are in the US so I don't run afoul of ITAR regs.
Don
Yup my dad at one time owned the RC plain company northeast areo dynamics back in the day, I remember helping him punch out the parts on the press.
We were one of the last companies that sold the plain as a kit, every thing went to ARF and it was nothing for someone to just pick up a RC plain and in a few hours be flying
But its funny when a kid from our old RC club was asked to help with a government drone project because of his amazing RC flying skills
the plain that they had someone built for a shit load of money could not be flown on the first day of testing because it was so poorly put together, the kids father had to take it and make repairs so his son could do the flight test
Government can't even build a RC plain right, what's the world coming too,
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you'd think with how retarded this shit is now that they'll be shipping 12 year old kids to gitmo for waterboarding because their airsoft guns match the dimensions and function of a real fiream close enough. a lot of them really do, too! when the ATF created a functional firearm from an ABS lower of course there was a lot of bullshit involved and it probably did not survive more than a few rounds, but i %100 believe that they were able to make it accept a real FCG and a real upper depending on which airsoft company manufactured the shit they siezed.
![[hmmm]](/xen/styles/default/xenforo/smilies.vb/009.gif "Hmm [hmmm]")
Outed himself... Anti-statist is a statist. Awesome!
I hope we do succeed in extraditing him so he can get a full blast of statist awesomeness.
who renames themself "dotcom".![[rolleyes]](/xen/styles/default/xenforo/smilies.vb/042.gif "Roll Eyes [rolleyes]")
I was thinking of changing my name to dotgov, then I could act like a douchebag and people would just turn there heads and pretend nothing is wrong, because everyone trust dotgov to never screw them over,
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They wouldn't mind if you took money out of their bank accounts now and then either, "just 'cuz"...
Dotgov dont Take from no bank account, dotgov takes thouse bitches money before it ever hits da bank, and if dotgov don't get his money, da bitches get a pimp slap fine and still gatta pay da money
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No, even once you put it in the account, they take it out via inflation...
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