[simpits-tech] Using real instruments

[Gene Buckle]

> I tried that - the normal movement of the bellows during vacuum operation is
> so very small that one slight twitch or movement of the servo took me from
> 0ft to 9000ft !! If you could gear the servo right down it may work, but
> servos have a habit of "twitching" which can cause big problems. You also

If you have a twitching servo, (it's called "jitter") you have a noise
problem, not a servo problem.  Try putting an RF choke on the servo lead.

g.