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NukeEmAll235 05-17-2013 12:21 AM

Black powder "Glock" project
Hello everyone. I see that nobody uses electric ignition for their homemade guns. Two things are distinctive advantages of it.
First you are not dependent on precussion caps. Two wires and and a smaller one between them, it can even be iron wire.
Second, the gun can be like a lego set. The barrel, the battery and the pistol grip can be in many different configurations.

Reloading is not a practical option, unless you're ready to spend some time.
Reliability requires a battery that can operate even at very low temperatures and still pop a crude homemade e-match.
There's been a lot of talk about this 3D printed liberator. I plan to make a tutorial for an easy to make mini cannon that uses fire cracker flash powder.
I'd love to hear suggestions, comparisons and critics of the battery ignition concept.

c3shooter 05-17-2013 02:03 AM

Criticism of the electrical ignition- weak point is usually the filament/ bridge wire. If you test it with a regular Volt/Ohm meter, it will fire. (A Blaster's meter will not make it fire, but unless you work with explosives, you do not have one of those)

Likely you will be replacing the filament every shot.

NukeEmAll235 05-17-2013 05:53 AM

Yes, after every shot, the wire is replaced, for the sake of reliability. I was thinking, if it's going to be one shot gun, the reload speed doesn't matter anyway. No Ohm meter can fire a crude home made bridge wire.

NukeEmAll235 06-02-2013 11:22 AM

I'm not sure how appropriate are these guns for a firearms forum, but these are very cheap, legal most of the times guns:
Main advantages:
Almost any flammable liquid can be your propellant.
Ignition can be even the tiniest spark.

clr8ter 06-02-2013 11:35 AM

Huh. I think I'll stick to a real gun.
But I will say, I made some pyrotechnic igniters a few years ago. I got a kit, you basically add a binder, (glue), and acetone, and dip the ends of a wire into the goo. The goo has metal in it, to act as the bridge. It does need some decent current to fire. I bet a 9V would do it. But, nothing short of this decent voltage is going to fire it, including a tester.
C3, are you talking about the professional pyro E-matches? Those are touchy, and WILL fire if you use the wrong tester, and they are also a controlled item. But lots of fun.:D

NukeEmAll235 06-03-2013 12:29 AM

Yes I'd also stick to a real gun, but I work with what I have :D I don't like the dependence on commercial stuff(e-matches) An iron wire can be used instead.

trip286 06-03-2013 01:01 AM

Anyone ever think of building electric ignition from a commercially available stun gun?

NukeEmAll235 06-03-2013 03:12 PM

I used one for igniting gases. The maximum spark gap kept getting smaller, due to isolation brakedown in the wires. It was overkill with not much benefits.

trip286 06-03-2013 03:58 PM


Originally Posted by NukeEmAll235 (Post 1266378)
I used one for igniting gases. The maximum spark gap kept getting smaller, due to isolation brakedown in the wires. It was overkill with not much benefits.

But...I'm thinking with the right engineering behind it, coupled to a gun, reliable and reusable.

SMAW rockets are electrically fired I believe, but maybe not exactly "ignited".

NukeEmAll235 06-03-2013 06:01 PM

There are chemical compounds that can ignite/detonate from piezo crystal generated pulse, but I have no idea how this is achieved.

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