I have 4 0606 servos that I have installed in a new electric build with a 50" span. These are the first of this type that I have tried with big expectations from write ups like the one that started this thread. After finishing the installation and programming the servos for center and throw I was very disappointed to find that I had enough backlash apparently in the gear train that I am pretty sure it would setup plane destroying flutter! Have I done something wrong in the programming? The MKS servos I usually use are totally tight by comparison.