On Sun, 17 Dec 2006 23:22:45 GMT, Jasper Janssen <[email hidden]>
may have said:On Sun, 17 Dec 2006 22:47:46 GMT, Werehatrack <[email hidden]>
Quoted message said:The fact that this is possible (for many types of electronic device,
not just bike comps) is behind a number of military and a few civilian
police devices that are designed specifically to produce RF-coupled
(and sometimes raw EM pulse) interference signals in various types of
device. One of them is a radio signal generator that is intended to
shut down the electronic drivetrain control systems of an automobile.
It is not widely deployed for a number of reasons.
Gobs of power, giant projecting machinery, hugely expensive, hard to tune
to any given make and model of car,
Actually, no. About 70% of the vehicles on the road have drivetrain
control systems that are susceptible to being disabled by the device,
which weighs about 15 pounds. Proximity is a problem, though; the
range is limited. The cost, and the difficulty of ensuring that it
will be in the place where it's needed, is the main stumbling block
that prevents it from being more widely used. Part of the cost is in
armoring the electrical system of the delivery vehicle so that *it*
will not be rendered powerless by the same effect, though there is
also a second deployment method that requires far more training and
skill to use which overcomes this objection to a limited extent. In
either case, however, the problem is that the average police officer
will not encounter the need for such a device often enough to merit
the expense of acquiring one for each patrol unit, and unless a
vehicle that can be brought to bear has the device, it can't be used.
Quoted message said:and if you do succeed, you're left
with a completely out of control car without brakes
WRONG! Zero cars now on the road in the US will be left without
brakes at all subsequent to loss off engine power and/or electrical
system operation. Some will experience reduced brake effectiveness,
but even those should have ample braking capability to perform two or
three hard full stops.
Quoted message said:which might just be
worse than when the methhead is behind the wheel?
Having seen the results of both failing to halt the progress of a
fleeing vehicle and of failing to pursue it, I do not believe that it
is conscionable to leave such drivers at large. Unfortunately, it has
also been demonstrated that unless the road can be emptied of other
drivers, it is not safe to use sniping methods either. Like the
average person in such circumstances, even the methhead will try to
survive and continue the escape, and most fleeing drivers are not
methheads anyway.
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