HW: Another Sonic Attack

[Richard Lockwood]

>In 1994 Sandia Labs began a DOD sponsored program in less than lethal
>weapons.  Among the candidates was an ultrasonic system that is supposed to
>disturb the vestibular system  and create a vertigo like disorientation.
> The result would be much closer to somebody leaving a HW concert.  Maybe HW
>could put a burst  as a lead in on any new release to simulate the live
>experience more.
>

Just wandering randomly this lunchtime, when I came across this.  Sorry if
it's been posted before...

>Sound as a weapon
>
>----------------------------------------------------------------------------
>
>From: PAPAI at kcgl1.eng.ohio-state.edu (Jonathan Papai)
>Newsgroups: alt.folklore.urban
>Subject: Re: Nikola Tesla invented a dangerous machine
>Date: 10 Jun 1994 15:27:28 GMT
>
> In Message-ID: <2t7pi7$rke at beta.qmw.ac.uk>
> On or about 9 Jun 1994 19:12:07 GMT
>mtaylor at dcs.qmw.ac.uk (Taylor) posted:
>
>> On a similar subject,I heard a mister Vladimir Gavreau, of
Marseilles,France
>> created some sort of Low frequency oscillator, the vibrations from which,
>> instantly killed the technician operating the thing.
>
>I have a related item from sci.military from four or five years ago, (back
>when it was a moderated, noise-free environment.)
>
>-Jon
>
>..........ancient posting begins here............
>
>From: griffenj%db1_pdx at ncube.com (Griffen)
>
>  1. [monster sized kanonen deleted -jp]
>
>  2. RE: Sound as a weapon.
>
>     Luftkanone. Developed at Talstation Lofer, Germany, during WWII.
>     Developer: Dr. Richard Wallauscheck.
>
>     Best quote here:
>
>          "...design consisted of a parabolic reflector, 3.2 meters in
>          diameter, having a short tube which was the combustion chamber or
>          sound generator, extending to the rear from the vertex of the
>          parabola. The chamber was fed at the rear by two coaxial nozzles,
>          the outer nozzle emitting methane, and the central nozzle oxygen.
>          The length of the chamber was one-quarter the wavelength of the
>          sound in air. Upon initiation, the first shock wave was reflected
>          back from the openend of the chamber and initiated the second
>          explosion. The frequency was from 800 to 1500 impulses per second.
>
>          The main lobe of the sound intensity pattern had a 65 degree angle
>          of opening, and at 60 meters' distance on the axis a pressure of
>          1000 microbars had been measured. No physiological experiments
>          were conducted, but it was estimated that at such a pressure it
>          would take from 30 to 40 seconds to kill a man. At greater ranges,
>          perhaps up to 300 meters, the effect, although not lethal, would
>          be very painful and would probably disable a man for an
>          appreciable length of time. Vision would be affected, and
>          low-level exposures would cause point sources of light to appear
>          as lines." [1]
>
>     The device was not deployed, due to complexity and lack of range.
>
>     Also, a device that created vortices in the air, and a device that shot
>     'plugs' of air were developed at the same facility, primarily for
>     low-level anti-aircraft defence.
>
>     References:
>
>       1. Secret Weapons of the Third Reich by Leslie E. Simon (USA, ret)
>          WE, Inc., Publishers (c)1971 [great book!]
>       2. The Guns 1939-45 by Ian V. Hogg Ballentine Books Inc. (c)1970
>       3. Lost Victories by Erich von Manstein (Ooops, no data)
>       4. German Secret Weapons of World War 2 by I. V. Hogg ARCO Publishing
>          Company, Inc. (c)1970

Cheers,

Rich.

** this. is. not. a. fish? **