Lars.E skrev:
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> Jeppe_E skrev:
> --------------------------------------------------
> -----
> > Fråga: Rekommenderat däcktryck är 0.6-1.4 bar
> i
> > däcken (dvs 8-20 psi). Men ska man då köra
> med
> > undertryck, eftersom normalt lufttryck vid
> > havsytan är 1 BAR? :p
>
>
http://en.wikipedia.org/wiki/Bar_(unit)
> vehicle tire gauges, and many other types of
> pressure gauges are zero-referenced to atmospheric
> pressure, which means that they measure the
> pressure above atmospheric pressure (which is
> around 1 bar); this is gauge pressure and is often
> referred to in writing as barg or bar(g), spoken
> as "bar gauge". In contrast, absolute pressures
> are zero-referenced to a complete vacuum and when
> expressed in bars are often referred to as bara or
> bar(a). Thus, the absolute pressure of any system
> is the gauge pressure of the system plus
> atmospheric pressure.
Skönt med ett seriöst svar på en oseriös fråga (anledningen är att ingen använder barg när de skriver) :D