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Ral123
National Hazard
Posts: 735
Registered: 31-12-2011
Member Is Offline
Mood: No Mood
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I've never had any energetic make a bright flash without metals being involved. Even my 70ml EGDN(7300j/g) gave only a small yellow flash. Only AP
gives a bit more flash, may be because of the heated carbon particles. May be maximum density big RDX charge can also release some hot carbon
particles.
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Fantasma4500
International Hazard
Posts: 1677
Registered: 12-12-2012
Location: Dysrope (aka europe)
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Mood: dangerously practical
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apcpure co uk, they even have azides
really hope they keep their business running..
about the sound of an explosion im still quite curious about such tests.. i have an idea that VoD may be connected with energy of detonation
its 'calculated' by multiplying VoD with energy (MJ/kg)
where ETN is 5.942 with the speed of the detonation, which depends on its density
i recall something about that AN/SU or similar would require about 4 times the same amount as ETN in order to reach same ''loudness'' which is overall
a mixture of sound in which higher VoD would result in much sharper sound and slower would give much heavier sound, as in heavier frequencies, bass if
you will
it seems however that most who deal with HE's arent quite alot interested in the sound output per gramme
these are calculations i managed to find of my supposed ''bang value''
http://puu.sh/7TomW.png
2.92g ANSU would be needed per gramme of ETN to equal same amount of sound, simply taking the values and dividing them
also a charge with something strong will shoot sparks of aluminium foil if aluminium foil is present into the air, but on most videos it will only
last a few frames before they more or less magically disappear, where flashpowder etc will have them lasting for much longer time -- could be my
daydreaming would be entirely wrong, however
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Bert
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Threads Merged
8-5-2014 at 07:02 |
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