Originally Posted by
inpuressa
I tried using my S9550, but the servo horn won't line up with the chassis center. Is gluing my only option?
The width of that servo is the same as a mini servo, (1.30") so yes, you will need to use servo tape to mount it.
I also run a seam of shoe goo along the back side of the servo for a more solid mount.
http://www.servodatabase.com/servo/futaba/s9550
http://www.servodatabase.com/servo/futaba/s9650