Tachymètre Bezel List - Speedmaster Uses [tachymeter]

[Hands90]

Tachymètre Bezel List - Speedmaster Uses [tachymeter]


Could I ask that you guys help me compile a list of practical uses for the tachymètre bezel with descriptions.

I'd like to keep editing this post and put together a long list.


1. Speed with Fixed Distance

Knowing the distance between A & B as 1 Mile or 1 KM. Start the chrono at point A and stop at point B.

The speed will be represented.

For example 45 seconds would be 80 Miles per hour or 80 KM per hour.


With any of these if it's doubled like A & B is a 2 mile mark then you need to multiple by 2.

So 2 miles at 45 seconds reads 80 MPH multiple by 2 gets you 160 MPH


If the time for 1 mile is over 60 seconds then you need to divide by times around the dial +1.

So if it's 1:45 you get 80 then you divide by 2 since it went past the 60 seconds mark once.

It shows 80 divide by 2 is 40 miles an hour.


2. Distance with Fixed Speed

Driving 65 MPH start the chrono and when the hand reaches your speed (65 MPH) you have now gone 1 mile.

This can be done with KM as well.


3. Production Per Hour

If it takes under a minute to create something like in a factory you start the chronograph and stop when finished.

If it takes 45 seconds to paint a product then you can make 80 an hour.


From my understanding if it takes 2 minutes + 45 seconds, you need to divide by times around the dial +1.

So you would need to divide by 3. So it would be roughly 26.6 painted per hour.


---------------------------------------------------------------------------------------------------------------------

Any more to add to the list. I could actually see myself using number 2 on the highway if I need to find an exit or number 3 If I'm doing something and want to figure out how long it will take.

[logo]

Yours are quite useful, but mine is more fun:

When watching Apollo 13 from the comfort of your own home, one initiates their speedmaster at the start of the re-entry burn and disengages at 14 seconds. You have now successfully corrected your re-entry trajectory, and have earned yourself a beer and some salty treats to finish off the film.

[Hands90]

Originally Posted by logo

Yours are quite useful, but mine is more fun:

When watching Apollo 13 from the comfort of your own home, one initiates their speedmaster at the start of the re-entry burn and disengages at 14 seconds. You have now successfully corrected your re-entry trajectory, and have earned yourself a beer and some salty treats to finish off the film.

Yes this is very true and on another forum my math is very off apparently.

That said I use the chrono to time my cooking and my lunch breaks.