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Re: Speedometer check



Not necessarily.  My 82 VW Quantum speedometer is a full 25% off.  It
reads 50 when I'm doing 40.  The odometer, on the other hand, is
accurate.  Still best to use mile markers and a stopwatch.


Paul Anderson: Private email AndersonPaul@juno.com


On Thu, 12 Feb 1998 07:18:45 -0500 Keith Simpson <ksimp@cgrams.com>
writes:
>Fine if your odometer is right.  Question:  Isn't the odometer
>going to be just as "out" as the speedometer?  -  Better to do
>all this on roads with mile markers.
>
>TOMAS GARDSTRVM wrote:
>> 
>> --- Inkommet fren ECS.ECSGARD +46 13 28 72 32        98-02-12 11:14
>> 
>>   -> quattro@coimbra.ans.net
>> 
>> I have been full of suspicion against my speedometer lately, and I
>> wanted an easy way to check the accuracy of it.
>> The other day a friend of mine suggested a way of testing the
>> accuracy, that sounded ingenious to me (maybe not to you fellow
>> listeners) and I thought that I would share it with you. Here's
>> his suggestion:
>> 
>> * On the road, set the cruise control to the speed you want to
>>   check (or hold your right foot steady :).
>> * Reset the trip meter, and at the same time set a timer for
>>   six minutes.
>> * When six minutes have elapsed, you can read out your actual
>>   speed from the trip meter (at least this works for kilometer
>>   speedos that have a hundred meter digit), i.e. a reading
>>   of 9,0 km means an actual speed of 90 km/h.
>> 
>> This test method is fairly accurate because of the better
>> precision of the milage counter compared to the speedometer.
>> 
>> /Tomas
>
>-- 
>ksimp@cgrams.com
>wolfeboro, nh
>603-642-7557  x1227
>

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