Odometer mechanism in automobiles.

What exactly is the working principle of the Odometer in autos ?

now i am wondering whether the odometer will deflect, if the vehicle is moved by towing ?

Tagging at experts #-Link-Snipped-# #-Link-Snipped-# #-Link-Snipped-#


  • Sarathkumar Chandrasekaran
    Sarathkumar Chandrasekaran
    Odometer works with there worm gears .The input shaft is connected to the worm and it rotates the gear and similarly gear reduction happens in all there worm gears .The output of the worm gear rotates the odometer's ten's place.This in turn turn the previous place values every ten rotation completion.
    The digital odometers are more accurate and costs less.
  • Sarathkumar Chandrasekaran
    Sarathkumar Chandrasekaran
    The older models rotate backwards when vehicle is moved backwards.
  • Ramani Aswath
    Ramani Aswath
    A flexible shaft transfers the revolutions of the rear (left) wheel of the auto to a further reduction train as CSK described. This is displayed like any water or electricity meter.
    The catch is that if the tire is worn out, the meter will show a longer distance for the same actual distance traveled because the circumference is less.
  • CE Designer
    CE Designer
    I would like some more clarity on this topic. Example, what about all wheel drive cars? Is it the same principle for manual and automatic transmissions? What if the vehicle is towed in neutral with all fours on the ground?
  • Sarathkumar Chandrasekaran
    Sarathkumar Chandrasekaran
    please refer "#-Link-Snipped-# stuff works.com" to know more .

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