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From: "Da Man"
Subject: Re: MICROWAVE DETECTOR FOR CONCEALED FIREARMS.
X-Newsreader: Microsoft Outlook Express 5.50.4807.1700
Date: Sat, 11 Jan 2003 16:59:21 GMT
NNTP-Posting-Date: Sat, 11 Jan 2003 12:59:21 AST
"Designori" wrote in message
> "Barry Lennox" wrote in message
> > On Sat, 11 Jan 2003 02:16:27 -0000, "Designori"
> > wrote:
> > >Re: the quest for a technical fix to the carrying of guns in the UK.
> > >
> > >Basically; the bores of firearms are of a standard size, 7.62mm, 9mm.
> > >The slot of the ejector mechanism is also of a known and fixed size on
> > >type of firearm. The length of the individual firearms is also known.
> > >possible for a handheld device to be developed which emits a microwave
> > >, "chirps" through a number of the frequencies at which these metal
> > >enclosures are resonant, and detects if they are present in a crowd/on
> > >suspect/concealed on the person of a passerby/in a cargo container. A
> > >combination of returned harmonics could be interpreted by a
> > >Such a detector would be very useful indeed to the police & customs
> > >Each weapon has a number of cavities; the trigger-guard, the barrel,
> > snip snip
> > Oh really, what's to prevent somebody who does not want the presence
> > of a firearm detected simply wrapping it in cooking foil, it's called
> > a Faraday Shield.
> > You are making the big assumption that criminals (presumably that's
> > the market you are looking at) are brain dead, totally stupid,
> > blockheads who do not share your technical knowledge. BIG MISTAKE # 1
> > Barry Lennox
> Yup! "No electrostatic field can exist inside a closed conducting vessel"
> It's hard to swagger about with a gun as a "fashion accessory" when you
> to keep it swathed in foil like an oven ready turkey!! Even "wrapped in
> foil" it would be a big easy to spot metal target on ground radar and
> sufficient to warrant a person-check and search.
The first thing I thought of was to cap the openings with little sheets of
tin foil, or little metal caps that would be blown away by a bullet.
> The only possessors of firearms in the UK are criminals. That's why it's
> problem we can solve.
> How about "losing" some ammo - having first replaced the propellant powder
> with thermite? Breech/block/firing pin welded into one lump of metal.
> Nice thought
> By the way, "brain dead" doesn't know itself.
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