[simpits-tech] Zero point on a two needle altimeter

[Gene Buckle]

> I tried that. I connected the servo to the arm that connects to the bellows
> but because the gearing is very fine, a quarter turn of the servo put me
> from 0 feet to 5000 ft !!!! The bellows don't move much at all. I ended up
> ripping the inners out of the altimeter and connected the servo to the
> centre shaft.

Rod, you might try it again under Phidget control.  With a phidget, you
can get tenth degree precision if the servo is high quality.

g.