h a l f b a k e r yWhy not imagine it in a way that works?
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A thin, titanium plate the eaxct same size and shape as your
vehicle's windows which sits inside the (slightly modified)
door alongside the window in the closed position. If someone
points a weapon at your window or reaches in the window to
grab you, simply flip a red-capped emergency toggle
switch
and the shield slams upward in the blink of an eye, eiher
trapping/breaking/severing the would-be criminal's
weapon/limb, or at least buying you time to shift into drive
and put the pedal to the metal.
Legal Anti-carjack flamethrower
http://news.bbc.co....d/africa/232777.stm
BBC news article from 1998 [Tulaine, Aug 27 2013]
[link]
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Why titanium? Sure, it's a sexy metal, but weight is not really a concern and there's tougher knife edge metals available.
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I also wonder if severing or pinching the limb would not cause the trigger finger to spasm, working against your desires.
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Lastly, goodbye to your upholstery.
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Other than that, it's a great idea. |
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What about a portable device that can be kept on
your person or in your glovebox, with a small lever
that you can pull to rapidly eject a solid metal
projectile towards your assailant? This would have
the advantage of being useable on somebody who is
already in the vehicle. |
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Can I suggest a much simpler alternative?
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All that is needed is a noose of cheesewire set
into a channel in the rubber seal of the window,
and a pneumatic device in the door body which,
when triggered, draws the cheesewire out of its
channel and downwards.
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Admittedly, the cheesewire idea is somewhat
more elegant than the idea of a titanium plate,
but on the other hand the cheesewire is likely to
be simpler to install in a normal car. |
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If you're not worried about breaking or severing
limbs, then a cheaper and much less intrusive
solution may be the South African notion of a
flame thrower mounted beneath the car and
controlled by a pedal in the driver's foot well to
blast flaming gas at would-be car jackers. Despite
concerns raised by do-gooders this was declared
legal by the authorities. (See link)
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Seems it never caught on outside South Africa
though. |
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//Police say they cannot see any legal problems with
the blaster - so long as the right people are
blasted//
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Don't you just love these third-world countries for
their wacky humour? SA, TSA, USA... all the SAs. |
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Weight of materials is always a concern with vehicles, for a variety of reasons. The device is called a shield instead of a blade because cutting/entrapment is a secondary objective: the primary objective is to place a bulletproof barrier in the window at the flick of a switch. |
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