I probably should have included the time response issue in the original
post - sorry!

I initially looked at some electrolytic tilt sensors, but the time response
was far too slow.  The tilt data will be used to control a mechanical system
designed with a 0.1s time response, and we'd like to match the electrical
system response to within roughly half that. This is the primary reason we
are using accelerometers instead of tilt sensors - all the electrolytic
companies I talked to recommended at least a 0.5 second sampling rate, some
as much as 2-3s (PLEASE correct me if you know of anything faster?!).
Apparently they're more designed for relatively smooth transitions, instead
of the jerky movements my project is working with.  We do have an onboard
schaevitz capacitive tilt sensor for "steady and level" output, but it
doesn't seem to work so well for moving readings.

> You might want to look at electrolytic tilt sensors - these have some
inherent damping, and you can
> add more in software if necessary, or maybe combine with an accelerometer,
e.g.use a weighted
> avaraging scheme where the weight of the tilt data is reduced when
acceleration is high.
>
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