View Single Post
  #47   Report Post  
Posted to uk.d-i-y
Rod Speed Rod Speed is offline
external usenet poster
 
Posts: 40,893
Default Does a tyre change its CIRCUMFERENCE when underinflated?



"harry" wrote in message
...
On Saturday, 23 June 2018 06:56:49 UTC+1, The Natural Philosopher wrote:
https://www.youtube.com/watch?v=_2l5bOhHNxU

Answer. not by very much, if at all.

This seems to be a perpetual urban myth.

It tyre pressure sensors are using this, it has to be a very very
complicated bit of software to detect - say - less than 1% change in RPM
relative to the other wheels.


https://en.wikipedia.org/wiki/Centra...flation_system


Bit weird with the retrofitted stuff
https://www.dropbox.com/s/yj56jztegr...93fa6.jpg?dl=0
Cant see that surviving too long off road here.