25 replies to this topic

[paul]

Just got aware of all those CO2-crater-maker DIY videos on youtube. Flagged many ot them and they did not come back yet.
Nearly all these how-to-make-flash videos disappeared by now! Think it´s a step in the right direction!

[David]

there is some really irresponsible stuff on You Tube, gives fireworks a bad name.

[Arthur Brown]

Some things on there should give the perpetrators a jail term, some people need the protection of the Mental Health Act. Just a few are really interesting!

[W.P]

I've seen worse, there was a video on Metacafé talking about making a "flash b**b". He took chips of p.permanganate and bronzing grade aluminium and placed it inside a paper pouch (unmixed) then told the user to tape it up with a match head fuse- the idiot lit the "b**b" and dropped it, it didn't do anything till he picks it up again and it bursts:

http://www.metacafe....e_a_flash_bomb/

[portfire]

there is some really irresponsible stuff on You Tube, gives fireworks a bad name.

Quite rightly!! And i'v said this before,we shouldn't be posting links to these kinds of idiotic,irresponsible and dangerous acts.

He laughs about it !! Hope he had a trip to A&E


dean

[Tennespeedy]

If you wanted to spend a whole weekend flagging those vids, you could. It's waaay out of control. BTW, in US they are referred to as "Kewl b**b Dudes"

[GuiltyCol]

alu powder, plastic bag, static charge, 404 error...

Can I just check here please, are you saying storing things in plastic bags is bad?

IPP page 31, in the section "Black Powder (BP) via the Precipitation Method", under the title "Safety Notes" says:

All black powders are sensitive to friction and sparks. Black powder must never be stored in glass jars or metal cans with press fit lids (like paint cans). Old black powder cans are ideal. Ziploc™ bags are also commonly used.

So I bought some Ziplock plastic bags exactly for this purpose.

[MFX]

Can I just check here please, are you saying storing things in plastic bags is bad?

IPP page 31, in the section "Black Powder (BP) via the Precipitation Method", under the title "Safety Notes" says:
So I bought some Ziplock plastic bags exactly for this purpose.

It's possible to buy anti static ziplock bags for storing electronic components, might be a better bet?

[BrightStar]

Can I just check here please, are you saying storing things in plastic bags is bad?

No, zip-loc bags should be fine for black powder. Although BP is very sensitive to flame and 'physical sparks' eg hot metal or a glowing ember, it is usually fairly insensitive to static electricity and a small zip-loc doesn't hold much charge. See here for a demo:

http://www.pyrosocie...hl=static tests

Storing flash powder in plastic bags probably isn't a good idea, but frankly storing it at all is madness. I tend to prefer paper bags for stars as it allows them to 'breathe' and finish drying if needed.

One thing to consider though is that if there was to be an accident in your workshop, eg if a rocket ignited while ramming, you would probably want to have your composition in a container that would shield it from the shower of sparks. I suppose for a small quantity of BP, a ziplock bag in a biscuit tin would be fine, but it's what lead me down the elaborate path discussed here:

http://www.pyrosocie...ng black powder

Edited by BrightStar, 25 October 2007 - 04:14 PM.

[GuiltyCol]

Thanks Brightstar, that's as definitive as it gets.

[BrightStar]

Back on topic, here's an 'adventure' so unbelievably stupid it's almost funny...



I think the first comment from user Nevrosert has this spot on... apparently, dangerous or illegal activity is not something that YouTube considers grounds for removal...

Edited by BrightStar, 25 October 2007 - 09:10 PM.