electric spark ignition comps?

[A-BOMB]

I was wondering is there any comps that ignite reliably from a spark from say a grill igniter or taser, induction coil, photo flash gun? Or any explosive for that matter?

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[Anthony]

Flash containg metallic fuel (Al, Mg etc) should work well. Although you need something very sensitive to reliably ignite from such a low current as grill ignitor, possibly the stungun too and coil too.

Acetone Peroxide is sensitive to a 100Kv stungun, all the LE comps I tried weren't.

The photoflash cap will almost certainly set offanything flame/heat/spark sensitive. If you use conductive flash then the low voltage of the flash cap isn't a problem (no need for a spark gap).



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[kingspaz]

could the addition of iron powder to the comp raise its sensitivity due to heat produced as its not a great conductor...or would the power be high enough from a grill ignitor?

[BoB-]

If you manage to string a tiny steel wool filament between the 2 contacts it might work. Not to shoot you down, but a AA battery is cheaper than a big peizoid.

[A-BOMB]

I think I might try this mix and see if it works 1 part Mg,2 parts Al, 3 parts kmo4, 2 parts powders steel wool. Does that sound like it would work?

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[mark]

Id just try 70/30 with the magnesium and forget the other stuff.

[nbk2000]

Too much fuel, not enough oxidizer. POIT! Won't work.

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[CodeMason]

What's kmo4?

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[A-BOMB]

I meant kmno4 (potassium pernerganate)sp?


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[SawedOff8gaugeman]

I guess it's permanganate ?

[kingspaz]

well if we're going to get specific the correct (modern) name is Potassium manganate(VII) but i believe potassium permangante is the name used in industry to help avoid mistakes over the phone and things.

[Agent Blak]

What about the addition of powdered flint. You can care full powder the flint from a Mg firestarter. You just knock it out with an Awl and hammer. clamp it in a vice get a fine cut file. file some then remove, file, remove, file, remove.

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"I Always Have A Spade Or Two Handy"

Agent Blak-------OUT!!

[the freshmaker]

kingspaz: Potassium-manganate and Potassium-permangante is two different compounds! Like Sodium-oxide and Sodium-peroxide!

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good boy with bad ideas

[A-BOMB]

I just thought of it why don't I just get some old photo flash bulbs and break the glass on them take out the filement and gind it up and mix it with some other flash, then Presto, Changeo, instant eletric flash comp! TA DA!

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[Snipie]

For my electrical igniters I use Christmas tree bulbs, they have a perfect shape, just make a little scratch right under the top (the bulbs I use have a little glass ball on top) and than break the top off, fill it with some flash powder and close the top with candle wax. A perfect water resistant igniter. Before you make one, strip the wires and twist them, that’s to avoid pre ignitions from static electricity. The great thing is that these things can be set off from just one battery (1.5 V).

[BoB-]

Graphite is conductive, and offers a fair bit of resistance under current, a small amount of a strong oxidiser, and finely ground pencil lead will ignite under sufficient current/amps.

Peizoid's dont give any amps!



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Teamwork is essential.
It lets you blame someone else.

[A-BOMB]

BOB have you seen the video clip of my pizeroid as you call it on Ctrl_c's FPT yet if not go and watch it, and tell me if you think it has anoth amps.


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[kingspaz]

how could he tell if it has a high enough amperage?!

[A-BOMB]

Well I don't know how he would tell put in the part that the spark is 11/2 inches wide and it has enothe volts/amps/watts/whatever to kill a mouse i caught within 5 seconds, so I think it has enothe amps or volts or whatever.

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[mark]

What you just described is not a piezeo electric sparker. A pizeo sparker can make a spark about 3/4 of an inch at 15,000 volts and some amps at like .002. I doubt it can kill a moth, much less a mouse. And I wouldnt like to find out either. Torturing animals is sick.

[A-BOMB]

I was going smash him with a hammer any way teach them mices not to come into my house and live! And what I have made is a induction coil aka tazer.

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die by the bomb

[Anthony]

A coil of any kind if a whole different kettle of fish to a piezo-electric crytsal, which emits a high voltage, low current electrical charge when squeezed.

It'd work if you had a large enough crystal and a sensitive enough explosive/composition. Afterall, the military apparently use them to set of the detonators for shaped charged warheads.

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