1. ## tachymeter on watches

hi guys,

i cant figure this out.

i understand / know the rotating bezel on typically diver's watches is like some outdated technology of "stopwatch".

but how do u use / read the tachymeter thats on the bezel?

2. ## Re: tachymeter on watches

How to Use Tachymeter Function on Watch Bezel - Usage Instruction and Definition
http://www.mydigitallife.info/2006/1...nd-definition/

http://en.wikipedia.org/wiki/Tacheometer

3. ## Re: tachymeter on watches

Originally Posted by denniskee
hi guys,

i cant figure this out.

i understand / know the rotating bezel on typically diver's watches is like some outdated technology of "stopwatch".

but how do u use / read the tachymeter thats on the bezel?
those are only ornaments for ppl like us... i mean... u will look beyond the 2 longer hands when u see your watch? btw, which is is 'tachymeter'??? got this thing ar?

4. ## Re: tachymeter on watches

oh!! so i must know the distant traveled inoder to use the function?

5. ## Re: tachymeter on watches

Originally Posted by denniskee
oh!! so i must know the distant traveled inoder to use the function?
Yup. It would help a racer determine lap times.

6. ## Re: tachymeter on watches

Originally Posted by denniskee
oh!! so i must know the distant traveled inoder to use the function?
From what I vaguely remember..

In times past before speedometers and GPS, to determine the speed of a sailing ship, drop a float/buoy from a point along the railing and mark the time taken for the float/buoy to reach another point along the ship.. (of course you attach a line to recover the float for reuse..)

Since you can measure the length between the 2 points (and if you always use the same length as reference), you can calc the speed of the vessel.. With the markings on the tachy, you can create a chart with which you only require the elapsed time to find the 'knots'..

Just my say..

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