RE: Fuel guage sender ohms, second try -Reply

["Scott Gardner" <gardner7@pilot.infi.net>]

> A fuel tank sender is a variable resistor.  The uneven spacing of lines on
> a guage is because the resistance output of the sender is not linear per
> quantity of fuel in the tank.
> 
> CTP
> 
> 
> At 10:23 PM +0000 1/13/98, Scott Gardner wrote:
> > My brother's BMW had the 1/4-tank marks spaced unevenly
> >along the face of the gauge, but they were accurate.  Perhaps this
> >was to compensate for problems with the gauge?
> 
Which begs the question, "Why aren't all cars done this way?".  Is 
there a way that other automakers use to get linear output from the 
sender?  I would think that this would be a pretty mature technology 
by now.
Scott