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1. Re: [Mgs] "black plate cars" (score: 1): Author: "Paul Hunt" <paul.hunt1@blueyonder.co.uk>; Date: Sun, 4 Nov 2007 11:14:29 -0000; The UK has had reflective plates for new cars since 1973 for reasons of visibility at night. Cars older than that can still carry 'white on black', but they don't make any difference as far as laser; /html/mgs/2007-11/msg00026.html (8,755 bytes)
2. Re: [Mgs] "black plate cars" (score: 1): Author: "Blair J. Weiss" <blair@ifd.mv.com>; Date: Sun, 4 Nov 2007 07:32:55 -0500; There was a "Myth Busters" episode where they tried all those things... the spray, the plastic cover, going really fast (too fast for the camera)... none of them worked. They got a photo of the plate; /html/mgs/2007-11/msg00027.html (9,195 bytes)
3. Re: [Mgs] "black plate cars" (score: 1): Author: "Stephen West-fisher" <steve@coastaldatasystems.com>; Date: Sun, 4 Nov 2007 09:24:59 -0500; How would that work? Both light and RF travel pretty much at the speed of light. I would think the very minute delay in creating the proper Doppler shift and transmitting it would cause the original; /html/mgs/2007-11/msg00028.html (8,052 bytes)
4. Re: [Mgs] "black plate cars" (score: 1): Author: "Ron Fine" <RonFineEsq@earthlink.net>; Date: Sun, 4 Nov 2007 08:58:57 -0800; Just curious: What could be faster than a laser speed detector beam? Don't they all travel at the speed of light? Ron "There is also a transponder available which when it gets a 'hit' from a laser sp; /html/mgs/2007-11/msg00033.html (7,700 bytes)
5. Re: [Mgs] "black plate cars" (score: 1): Author: David Breneman <david_breneman@yahoo.com>; Date: Sun, 4 Nov 2007 09:06:33 -0800 (PST); I've never heard of a laser jammer, but most radar jammers transmit all the time, usually generating a frequency modulated sweep above and below the carrier frequency of the radar gun. They're less e; /html/mgs/2007-11/msg00034.html (8,917 bytes)
6. Re: [Mgs] "black plate cars" (score: 1): Author: Paul Root <ptrmgb@gmail.com>; Date: Sun, 4 Nov 2007 14:37:16 -0600; There is one that does work. Snow piled up on the plate. Happens a lot up here in the winter. _______________________________________________ Edit your replies Mgs@autox.team.net http://autox.team.ne; /html/mgs/2007-11/msg00039.html (7,857 bytes)
7. Re: [Mgs] "black plate cars" (score: 1): Author: Barrie Robinson <barrie@look.ca>; Date: Sun, 04 Nov 2007 10:39:01 -0500; I am intrigued! Can someone point me to the chat on this? When I was working at Marconi in England way back in the 60s, there was a chap who was called in as an expert witness in a speeding case. He,; /html/mgs/2007-11/msg00040.html (9,548 bytes)
8. Re: [Mgs] "black plate cars" (score: 1): Author: "Blair J. Weiss" <blair@ifd.mv.com>; Date: Sun, 4 Nov 2007 19:57:18 -0500; Ha! Your right about that one... Blair -- Original Message -- From: "Paul Root" <ptrmgb@gmail.com> To: "Blair J. Weiss" <blair@ifd.mv.com> Cc: "Paul Hunt" <paul.hunt1@blueyonder.co.uk>; "David Brene; /html/mgs/2007-11/msg00044.html (8,223 bytes)
9. Re: [Mgs] "black plate cars" (score: 1): Author: "Paul Hunt" <paul.hunt1@blueyonder.co.uk>; Date: Mon, 5 Nov 2007 09:18:21 -0000; You can find any number of adverts and claims via Google, which are meaningless in themselves, but how about this successful prosecution: http://www.guardian.co.uk/transport/Story/0,,2159745,00.html; /html/mgs/2007-11/msg00046.html (9,272 bytes)
10. Re: [Mgs] "black plate cars" (score: 1): Author: "Paul Hunt" <paul.hunt1@blueyonder.co.uk>; Date: Mon, 5 Nov 2007 09:07:55 -0000; This was done in the UK, but it took a motor bike travelling in excess of 170mph to do it. PaulH. -- Original Message -- _______________________________________________ Edit your replies Mgs@autox.te; /html/mgs/2007-11/msg00047.html (8,165 bytes)
11. Re: [Mgs] "black plate cars" (score: 1): Author: Bob Howard <mgbob@juno.com>; Date: Mon, 5 Nov 2007 10:01:46 -0500; Is the reflected laser beam reflected sufficiently away from the laser gun's receiver if the licence plate is tilted down a few degrees, or dispersed if the licence plate is bowed? Bob But like I sa; /html/mgs/2007-11/msg00055.html (8,655 bytes)
12. Re: [Mgs] "black plate cars" (score: 1): Author: "Paul Hunt" <paul.hunt1@blueyonder.co.uk>; Date: Mon, 5 Nov 2007 16:22:05 -0000; It's nothing to do with the numberplate, reflective or otherwise, and most of them use radar signals. With either it bounces off the whole of the front of the car and only a portion of the reflected; /html/mgs/2007-11/msg00058.html (8,474 bytes)
13. Re: [Mgs] "black plate cars" (score: 1): Author: Max Heim <max_heim@sbcglobal.net>; Date: Mon, 05 Nov 2007 09:20:48 -0800; Probably not. "Retro-reflective" plates use tiny embedded glass beads, so that a significant propoportion of any light that hits them is reflected directly back at the source, regardless of angle. Th; /html/mgs/2007-11/msg00059.html (9,252 bytes)
14. Re: [Mgs] "black plate cars" (score: 1): Author: David Breneman <david_breneman@yahoo.com>; Date: Mon, 5 Nov 2007 20:20:27 -0800 (PST); No, because the nature of a retro-reflector is that it bounces the light back in the direction from which it arrived. The easiest way to accomplish this is to imbed thousands of small glass beads in; /html/mgs/2007-11/msg00066.html (9,486 bytes)

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