Thermostat opening and closing at full speed.

200 000 + kms used thermostats opening and closing at their full speed.
The big one is from 1989,the small one is from 1999.

[@jw200]

Thanks
Just what I needed

[@michaelovitch]

: )

[@jaggass]

It's great how mechanical things work.

[@michaelovitch]

Yes,and it's doing that thousands and thousands of times without us seeing it.

[@jaggass]

@@michaelovitch It's like a piston in slow motion. Well actually more like a valve.