Seems like your first thread pretty much covered this...?
In general, you won't see many problems with Airtronics/Sanwa servos... very good servos. The issue you're having was with the Spektrum parts, not a servo issue.
There is a radio and electronics forum on the board here, you may get better results posting over there.
Well if it seems to be real, it's illusion
For every moment of truth, there's confusion in life...