Just a little something about the tape I have been using for servo mounting for a while. I buy a tape at a wood workers supply store, called different things but it's a tape for wood turners or lathe operators. Two sided, clear, it's the same thing used on Velcro. Tough stuff!!!!!!!!!! Not cheap but it has many uses. When I was making the grand kids a nice oak rocking horse I used it to tape two pieces of wood together for band sawing and sanding. I used to much tape and it took longer to get the finished parts apart then it did to cut and sand them. Good stuff!!
I always use the grommets and rubber mounts when mounting my servos except in electrics when using tape.