🚀 go-pugleaf

>>>VASCAR, eh?  I haven't heard of this in years.  Didn't know it was still being
>>>used!  Wasn't there a problem with having to make a subjective judgement of
>>>when the target car and the police car passed the same point?
>> 	When the specific car passes the first line, a stopwatch is activated.
>> 	When the car passes the second line, that stopwatch is stopped.
>> 	Since the cop has your distance travelled and the time it took you
>> 	to travel that distance - he has your speed. Very accurate, too.

The plane version of this setup, as the television version of motorweek
pointed out the other day is quite accurate.  Using a 1/2 mile stretch
of road, a full 1 second error on starting or stopping the clock from
the plane results in something like less than 2 mph error.  Atleast as
accurate as some highway patrol with a miscalibrated radar, and a bad
aim.
 
Regards,
Chris


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 WHITTEN@KUHUB.CC.UKANS.EDU              Chris Whittenburg, Univ. of Kansas
 WHITTEN@UKANVAX.bitnet                        Electrical Engineering
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