[Blabber] Hackable guns

David Reeves drreeves at gmail.com
Wed May 8 19:52:00 UTC 2013


An interesting list of practical counterpoints to the printerpalooza:

http://www.theatlanticwire.com/national/2013/05/its-not-so-easy-3-d-print-gun/64951/


On Wed, May 8, 2013 at 3:50 PM, Ben S <ben.sugimori at gmail.com> wrote:

> You should tell your teachers that (insert homework subject here) leads to
> guns getting made - odds are, it has as much to do with them as does 3D
> printing!
>
> 3D printed fighter jets Are real, however. Lockheed Martin has a
> top-of-any-conceivable-line setup, to print in titanium and stealth
> composites.
>
> THAT's what they should freak out about - folks flying around in their own
> personal fighter jets!
>
> I mean, if it's even remotely possible, it's a safe bet that teenagers are
> doing it; so it's perfectly sane to freak the Hell out before considering
> what it would realistically take to accomplish any of this.
>
> Can I fly your 3D printed Stealth Bomber this weekend? I know you've got
> your own personal 3D-printed Area 51, and the aliens have taught you how to
> make WMDs, after all.... ;-)
>
> BenS
>
> On May 8, 2013, at 15:26, Matthew Duepner <matthewduepner14 at gmail.com>
> wrote:
>
> This whole thing is  ridiculous.   I had just gotten in the elevator when
> the head of my school mentioned 3D printed guns.
> On May 8, 2013 11:48 AM, <fractal at maui.net> wrote:
>
>> I'm no expert. Weapons can be plastic, however.  Some rpg and
>> surface-to-air missile launchers are plastic, and in fact, are made by
>> Mattel
>>
>> --- ben.sugimori at gmail.com wrote:
>>
>> From: Ben S <ben.sugimori at gmail.com>
>> To: "Hack Manhattan!" <blabber at list.hackmanhattan.com>
>> Subject: Re: [Blabber] Hackable guns
>> Date: Wed, 8 May 2013 11:44:43 -0400
>>
>> And what undetectable ammo, rifled barrel, cooling system, spent brass
>> ejection, etc. would work with it?
>>
>> Without a rifled steel barrel, you'd have an ALREADY notoriously
>> inaccurate gun shoot even Less accurately, while disintegrating or
>> exploding in your hand.
>>
>> How about the bulge of a huge, impractical submachine pistol in your
>> clothing/luggage?
>>
>> A full-auto would mean repeated contained explosions. Could any 3D
>> printing that isn't ridiculously out of reach handle such repeated
>> structural stress and intense heat?
>>
>> Guns are heavy for a reason.
>>
>> BenS
>> On May 8, 2013 11:28 AM, <fractal at maui.net> wrote:
>>
>>
>> I'm not debating the resiliency of litho resin.  Here's the thing:
>> 1:   Print out uzi kit
>> 2:   Produce casting dies
>> 3:   Reproduce parts with delrin or other heavy duty plastic
>> 4:   Instant undetectable weapon
>> --- guan at yang.dk wrote:
>>
>>
>>
>> From: Guan Yang <guan at yang.dk>
>> To: Hack Manhattan! <blabber at list.hackmanhattan.com>
>> Subject: Re: [Blabber] Hackable guns
>> Date: Tue, 7 May 2013 14:39:32 -0400
>>
>> Exactly. I think all the people printing guns are basically a PR stunt
>> right now. How many times would you want to fire a printed gun? How close
>> would you want to stand when it fires?
>>
>>
>>
>> On Tuesday, May 7, 2013 at 14:38 , Matthew Duepner wrote:
>>
>> > I agree. It sounds stupid unless you are suicidal or are trying to
>> prove a point.
>> > On May 7, 2013 2:36 PM, "Matt Joyce" <matt at nycresistor.com (mailto:
>> matt at nycresistor.com)> wrote:
>> > > easier to make a gun on a lathe.
>> > >
>> > >
>> > > On Tue, May 7, 2013 at 11:35 AM, <fractal at maui.net (mailto:
>> fractal at maui.net)> wrote:
>> > > > Speaking of hacking and machines, how about the new trend of using
>> stereolithography to print out guns and other weapons?
>> > > >
>> > > > Do you think there could be a legal backlash in the works? (think
>> meth lab vs allergy pills)
>> > > >
>> > > > Davesky
>> > > >
>> > > >
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