Quote: posted by SEPaul on 16/11/2004 11:53:59
Quote: posted by Jace on 16/11/2004 10:04:33
8< snip 8<
In urban areas I think they have you if you go 10mph +1%
I think this may be 10% + 1mph
Anyone??
Anyway, I don't rely on any tolerance. I ALWAYS creep at the limit [

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There is a tolerance, but you're right, nobody reliably knows, so it's better not to chance it.
Generally they target the reggy plate to get the reflection. Obviously the laser beam diverges more the longer the distance. So if you have your detector at dash level, that can be a couple of feet up from where the main part of the beam strikes. The closer the van, the less divergence, therefore the less chance of getting it picked up.
Just my theory...