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Theatre > Pyrotechnics > Re: strange bur...
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Re: strange burst in consumer shell

by missmonkeyshine@[EMAIL PROTECTED] Apr 12, 2008 at 08:46 AM

I have seen all kinds of stuff inside small Chinese shells, but
probably the oddest was in some 1.75" 'festival balls'. They broke
really hard, and upon examination I found the break to be a wad of
tissue paper with bright aluminum flash on it. Very cheap and very
effective.

Also, the notion that shell wall thickness being pro****tionally
relative to larger shells is bunk. The size of the shell has nothing
to do with the interaction of gas pressure with containment strength
over time. We could get off onto the topic of dwell time (containment
duration) and the effective relation****p of break brissance on casing
strength, but for lack of a lengthy explanation, just accept that gas
pressure/gas volume /time/containment have nothing to do with shell
size. Shell size has an effect on each of those (except time)
independently, but size and wall thickness ratios are not
interdependent. Shell size is not in the formula for relative
potential energy all other things being equally upscaled.

Regards,

Regina
 




 12 Posts in Topic:
strange burst in consumer shell
Mike Burge <frontier_m  2008-04-09 23:11:53 
Re: strange burst in consumer shell
Mike Burge <frontier_m  2008-04-10 01:57:36 
Re: strange burst in consumer shell
"Lloyd E. Sponenburg  2008-04-10 07:58:18 
Re: strange burst in consumer shell
Mike Burge <frontier_m  2008-04-10 07:32:39 
Re: strange burst in consumer shell
"Lloyd E. Sponenburg  2008-04-10 09:40:19 
Re: strange burst in consumer shell
Mike Burge <frontier_m  2008-04-10 20:13:25 
Re: strange burst in consumer shell
missmonkeyshine@[EMAIL PR  2008-04-12 08:46:33 
Re: strange burst in consumer shell
Kelly <kellyjones1@[EM  2008-04-12 08:50:54 
Re: strange burst in consumer shell
"Lloyd E. Sponenburg  2008-04-14 08:22:51 
Re: strange burst in consumer shell
Mike Burge <frontier_m  2008-04-13 00:40:37 
Re: strange burst in consumer shell
Mike Burge <frontier_m  2008-04-15 18:01:45 
Re: strange burst in consumer shell
Mike Burge <frontier_m  2008-04-15 18:34:37 

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tan12V112 Mon Oct 13 1:30:34 CDT 2008.