[DeTomaso] FW: Car hits 220 MPH on new Texas Hwy

[Sean Korb]

I wonder how low your mass would have to be to not trigger the toll...
motorcycles are infamous for not triggering the loops, but I
understand that is mostly fable. They *do* trigger signal loops but
they just don't always accommodate a 15MHz mind of a motorcyclist.

Time for a plastic car with a ceramic engine.  I'll get right on that.

sean

On Thu, Oct 25, 2012 at 5:05 PM, Will Kooiman <will.kooiman at gmail.com> wrote:
> Another publicity stunt.  You can't outrun the speed of light.
>
> Most lanes have 2 commands - "trigger" and "save".  The loops in the road
> tell the equipment how fast the vehicle is traveling, and then it is
> simple math to determine which frame to "trigger".  Later on, the
> equipment decides if the vehicle has a valid transponder.  If the vehicle
> is a "violator", the lane equipment tells the camera to "save" the image
> for processing.
>
> As long as the equipment is working properly, it will catch vehicles over
> 1,000 mph.  At that speed, you're flying low, but the loops will probably
> still read.  It is based on having a large metallic mass near the loops.
> The wheels don't have to be touching the road.
>
> Or, they might be using laser triggers, but most authorities use loops cut
> in the pavement.  They are cheaper and more reliable.
>
> The equipment that reads the transponders was initially rated at something
> like 35mph.  When the business started moving towards high speed lanes (no
> gates), everyone had to deal with the speed of the readers.  They get
> around the limitation by oversampling.  The equipment assigns tolls to
> vehicles based on the handshake count.  If the loops say that a vehicle is
> in lane 1 and the handshake count for lane 1 is highest for tag#1, that's
> who gets the toll - even if the vehicle is really in lane 5, unless the
> reader in lane 5 has a higher handshake count for tag#1, and then it
> <should> only be assigned to lane 5, but sometimes it gets assigned twice.
>  We solved this by using one controller for lanes 1-5.  Many roads have a
> different controller for each lane.  Duplicates are thrown out in the back
> office, including duplicates where it charged the picture and the
> transponder.  That's why it is important to keep your license plate up to
> date in your account.
>
> Sorry for rambling.  I'm making up for the quietness on the list.
>
> My point is they knew well before the test that the toll equipment would
> "catch" the Cadillac.  They are trying to promote the toll road, plus they
> are emphasizing that you can't get away without paying, even if you go
> over 200mph.
>
>
> On 10/25/12 3:36 PM, "Jim Gray" <grayjim at att.net> wrote:
>
>>It just proves my Pantera needs more gears!  Oh, and triple the
>>horsepower.
>>
>>Jim Gray
>>
>>
>>
>>----- Original Message ----
>>From: michael frazier <red3644 at hotmail.com>
>>To: pantera list <detomaso at realbig.com>
>>Sent: Thu, October 25, 2012 2:50:11 PM
>>Subject: [DeTomaso] FW: Car hits 220 MPH on new Texas Hwy
>>
>>
>>FWIW...
>>Michael
>>Gruppo Rompiculi Corsa
>>
>>
>>
>>
>>
>>http://www.foxnews.com/leisure/2012/10/25/car-hits-220-mph-on-new-texas-hi
>>ghway/?intcmp=features
>>
>>
>>
>>
>>
>>
>>
>>
>>
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-- 
Sean Korb spkorb at spkorb.org http://www.spkorb.org
'65,'68 Mustangs,'68 Cougar,'78 R100/7,'60 Metro,'59 A35,'71 Pantera #1382
"The more you drive, the less intelligent you get" --Miller
"Computers are useless.  They can only give you answers." -P. Picasso