Originally Posted by
eR1c
I use a Futaba 4px transmitter and a Futaba S9551 digital servo in all my vehicles. Futaba has never failed me, I love all of their products. The S9551 is a very nice servo in my opinion especially paired w/ a Futaba controller (like the 4px).
I think I use only like 60% of the S9425's speed for turning on top of Expo, but 100% for return to center on my 4PKS-R.

I like the high resolution active centering on these fast digital servo's specially on my short 210mm wheel base!