Thanks Pete!
Wow you are fast!
Well on Opencockpits forum I found 2 people with the same problem as I have with RC-servo instruments and jerky movement of the needle.
One who is building a manifold pressure instrument, like me.
And a fellow, who built a flap gauge, and a speedbrake movement, what ever that is?
So ill make a few trials with the old FSUIPC first to see if there are more gauges that behaves jerky, and then I´ll let you known as soon as possible.
The reason why it´s only now begun to be a problem is that the RC-servo card at Opencockpits haven´t been around for so long. Its relatively new, and people haven´t used it much yet I guess. Or it´s been used for other instruments or functions that aren´t affected by this jerky movement behaviour.