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Assume a hemispherical cow.
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A chain of explosions that create a roughly directed wave of debilitating sound
Pretty much as the title states, a system of explosives
are timed to create a roughly directed very powerful
possibly in the 9Hz range to disable a group of attackers.
the references I have seen are electrically based, but I
chemically based version would be much
challenge would be the design which makes the wave last
enough to be effective that still works in the midst of
other explosions. My guess is would be a string of
that start from the center and radiate out but I'm too
now to configure the wave propagation, so I will leave it
the [MikeD]s and [8of7]s out there to tell be if this is
Second design would be a Orion Space drive type system
where tiny explosives are ejected into a parabolic
chamber and exploded 9 times a second or other
frequency which would in total create the desired wave.
Though I guess this would be more of a Sonic Shotgun.
Though designing this looking more like a concave shield
would be even better.
OK, latest design...
A shallow parabolic shield held on arm like a Hoplite shield except with inverted curve with a center piece to
create a Cassegrain layout. The base of the inside of
the shield holds a tank of gasoline and a small battery.
The operator will then tuck behind the shield and press a
thumb trigger to activate an electronic fuel injector to
fire at the center of the shield at the centerpiece which
has a spark plug. If you could get the airflow right, I
think this could create the sound wave you'd need from a
relatively low mass device. You might also use a tuned
chamber to manage the air and tune the sound.
[MisterQED, Oct 11 2011]
||//I will leave it to the [MikeD]s and [8of7]s out there//
||We are out of my element here, [Mr.QED]. I demolish things with explosives, not build things with explosive.
||On retrospect; A shaped charge, or any arrangement of explosives that takes advantage of the Munroe effect should suit this purpose... maybe a successive row of linear shaped charges detonated at 9 charges/sec? What we really need for this task is an aeronatical engineer with a familiarity with explosive.