Hi Ken.

23-Feb-04 20:05:00, Ken Weitzel wrote to Maurice Kinal


 KW> Hi...

MK>> KW> likely you'd have indicated a negative speed - or
  >> KW> perhaps zero.

 KW> MK>At the risk of nitpicking, speed is absolute while velocity has 
 KW> direction an
 KW>   >speed.  What you're referring to is velocity which can be negative 
 KW> while spe
 KW>   >is always positive.

 KW> Not nit picking, you're absolutely right :)

 KW> And it's absotootly why I said *indicated* a negative
 KW> speed - the indicating device (speedometer, shaft
 KW> sensors or whatever) being assumed. :)

The sensors used to drive electronic speedometers don't detect direction,
only the rotation of the gearbox's output shaft.

Mechanical speedometers don't usually allow the needle into the negative
region.

 -=> Bye <=-

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