Model Tech Yak 54 User Manual

SSPPOORRTTSSMMAANN AAVVIIAATTIIOONN YYAAKK 5544 8855”” Building Instructions Thank you for choosing the YAK-54. This ARF is specif

PAGE 10 OF 26 Trimming Chart After you have test-flown and made the initial trim changes to the airplane, use this trimming chart to begin trimming yo

PAGE 11 OF 26 Kit Contents: • Pre-covered two-piece wing with aileron servo cut-out. • Pre-slotted and trial fitted ailerons, elevator and r

PAGE 12 OF 26 NOTE: Do not use supplied fuel tank it may leak. Radio System 1 x throttle servo 2 x aileron servos 1 x rudder servo 2 x elevator serv

PAGE 13 OF 26 Use a hot wire to remove the covering on the stabilizer to allow the elevator servo horn to come through. Install the servo in to the s

PAGE 14 OF 26 Install the rudder servo in the forward servo cut out with the output shaft to the rear. Mark and use a 1/16 bit to drill the rudder ser

PAGE 15 OF 26 RUDDER CONTROL HORN INSTALLATION Gather the rudder control horn parts as shown. 2 ball link assemblies and 2 left and 2 right side cont

PAGE 16 OF 26 TAIL WHEEL ASSEMBLY You can use the tail wheel supplied with the kit but it is recommended to use a large TY tail wheel assemberly. Due

PAGE 17 OF 26 UNDERCARRIAGE Gather the landing gear parts as shown below. Landing gear strut, 5 mounting bolts, washers, and lock washers, 2 wheels a

PAGE 18 OF 26 WINGS Glue aileron hinges in the same as you did for the rudder and the elevators. Use a hot wire to remove the covering from the win

PAGE 19 OF 26 AILERON CONTROL LINKAGE INSTALLATION Gather the aileron control linkage parts as shown. There is 1 pushrod, 2 ball link assemblies, 1

PAGE 2 OF 26 The Real YAK 54:- Built by the Russians around 1993, the model 54 was designed by the Yakovlev Design Bureau as a 2 seat version for the

PAGE 20 OF 26 There are 4 wing bolts to retain wing on to fuselage as shown in picture below. MOTOR ASSEMBLY Use the picture below as a guide to mo

PAGE 21 OF 26 Use a 1/4 drill to drill the engine mounting holes. Gather the engine and mounting hardware as shown. 4 mounting bolts, 4 washers and 4

PAGE 22 OF 26 Fit ignition module on side of engine box. CANOPY Fit canopy base to fuselage ready for the canopy to be glued o

PAGE 23 OF 26 MOUNTING COWL There are four mounting blocks under covering of the fuselage. Locate these blocks and mark with tape. Centre the cowl

PAGE 24 OF 26 TIP It is a good idea to go around the entire glue joint in the fuselage with the high performance (M100XF) glue for piece of mind.

PAGE 25 OF 26 PREFLIGHT PREPARATION Center of Gravity The recommended CG is 164mm from the leading edge of the wing measured along the outer wing ri

PAGE 26 OF 26 Motor: The motor should run smoothly at all power settings with smooth transition from low to high RPM. Do not fly with an unreliable m

PAGE 3 OF 26 WARNING!! An R/C aircraft is not a toy! If misused, it can cause serious bodily harm and property damage. Fly only in open areas, and M

PAGE 4 OF 26 • Only use batteries of the same or equivalent type. • The power supply terminals are not to be short-circuited. • Do not use new and

PAGE 5 OF 26 The covering material used on your airplane is real iron-on, heat-shrink covering material. It is possible with heat and humidity changes

PAGE 6 OF 26 chance of them opening during flight. If your radio transmitter is equipped with dual rate switches, double-check that they are on the lo

PAGE 7 OF 26 your model may be determined by looking at the small orange label attached to the module in the back of the transmitter. It will show a n

PAGE 8 OF 26 Receiver instructions: The receiver antenna is best fully extended and routed away from other wires where practical. Run the antenna o

PAGE 9 OF 26 FIRST FLIGHTS It will be VERY helpful if you are able to obtain help from an experienced model pilot during your first flights. It is a