Cosine Effect, Math Wiazrds - (Speeding Ticket)

[Huw Powell]

>     Well I was just reading some very interesting info on
> http://www.copradar.com/preview/chapt4/ch4d1.html .  Now imagine the
> position I am in as opposed to the radar source; I am on the downslope of a
> hill in a sharp right hand corner.  The radar is also coming down a hill
> turning to the right as well.  As he zaps me the angle changes radically as
> we both are descending and turning eventually meeting each other head on, in
> an S corner basically.  Can someone explain the real workings going on here?
> I have a feeling that I was caught in the worst possible road type for
> having radar overestimate speed.  Ah glorious math, or not?

not.  the maximum speed a device like this can ever read is the actual
speed, any changes in the angle of interaction lower the measured speed.

Sadly, you were either doing 70 (how can you even tell, when you're
having fun in an Audi?) or there was something horrendously wrong with
the radar machine.  Which can only be discredited (I think?) by checking
the calibration paperwork.

Or... the cop is lying (I hate to say that, what's his motivation,
casting aspersions, etc.) or read the machine wrong instantaneously.  i
think they are supposed to lock it in, so they can show you if you ask,
but as I already said, I'm not a lawyer!

--
Huw Powell

http://www.humanspeakers.com/audi/

http://www.humanthoughts.org/