On my Tam F-18 I have Jr 8711's one for each stab half. I have had the airplane for quite a while but haven't flown it much in the last year. I did make one flight about 10 days ago and everything worked fine. the elev servos have always been a little "bouncy" or jittery when centering which I always thought was not abnormal for servos with very tight centering and tight deadband. The bouncing and jittering seems to be getting worse however. During normal slow movements of the stick as would be normal during flight they have little or no bounce and jitter around neutral. But if allow the stick to center rapidly i.e let go of the stick they both have quite a bit of bounce and overshoot of neutral. It dampens out in maybe one to two tenths of a second. They may have always been this way and Im just getting paranoid. cant say for sure. Pretty sure they have gotten a little worse. I tried running the surface charge off the top of the batteries to see if this would help but it didn't.

I am running 5 cell nimhs 4200 mah with no regulator. I know this will cause a great debate regulator versus no regulator. I don't use a regulator on any of my 5 cell packs NiCad or nimh and never have.

Are these particular servos unhappy on this much voltage ? I tried to find a 4 cell pack in my shop to pug in instead but all of the loose ones I have need charging. That will be the next thing I check when I get one charged