Yak - 54

Yak-54 Wing span : 69” Wing area : 950 sq in Weight ( RTF) : 8.5-9 lb Radio : 4-5 Channel W/ 5 Servos Yak-54 Engine : YS F120 Prop : 16” x 8” Servos : Aileron : JR NES 4721 Elevator : JR NES 4721 Rudder : JR NES 4721 Throttle : Hitec HS 547 HB Extensions : 2 18” servo extensions for Ailerons, 1 18” servo extension for Elevators, 1 12” servo extension for throttle. CG : measuring 6 3/ 4” from trailing edge forward to wingtip would give you best 3D and precision flying. The furthest you can go from trailing edge to wing tip is 7” that means you would have a slightly nose heavy model And the aft limit from trailing edge to wing tip is 6 1/ 2” . Side Force Generator ( optional ) These are mounted on the wing tips. The mounting holes are already drilled in the SFG , however you will have to open up the covering . Locate the holes in the wing tips and remove the covering. Then mount the SFG with 2 bolt, the blind nuts are already located inside the wing. SFG will help you in harrier, Knife edge and Roll stability. Control throws : Low Rate : Up Down Aileron : 55 mm ( Expo 50) 55 mm ( Expo 50) Elevator : 18 mm ( Expo 30) 18 mm ( Expo 30) Rudder : 40 mm Right ( Expo 15) 40 mm Left ( Expo 15) High Rate : Aileron : 85 mm ( Expo 70) 85 mm ( Expo 70) Elevator : 61 mm ( Expo 56) 61 mm ( Expo 56) Rudder : 60 mm Right ( Expo 60) 60 mm Left ( Expo 60)