Hangar 9 30cc Ultra Stick servos by John Beech | Friday, May 1, 2020 | 0 comment(s) What would be the appropriate servos to use in a Hangar 9 Ultra Stick 30cc. which will most likely be fitted with a DA-35 engine? It will be mostly flown for sport flying some 3d maneuvers . . . click to read more. This entry was posted in Hangar 9. Hangar 9 Ultra Stick 0 Comments Add a Comment to this Post You must be logged in to post comments.