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Related Manuals for Extreme Flight RC YAK-54
Summary of Contents for Extreme Flight RC YAK-54
- Page 1 YAK-54 48” Electric Profile ARF...
- Page 2 Congratulations on your purchase of the Extreme Flight RC Yak 54 48 inch profile Electric ARF. This aircraft was designed to provide maximum performance and fun in a great looking, lightweight, easily transported, fully aerobatic profile ARF aircraft. Using a powerful and efficient brushless outrunner motor and speed controller and a single high discharge 3S or 4S Lithium Polymer battery (2170 - 2500 mah), the 48 inch Yak 54 provides unlimited 3D aerobatic performance.
- Page 3 Tips for Success-Please read before beginning assembly!!! 1. Read the instruction manual thoroughly before starting assembly. 2. We are very pleased with the level of craftsmanship exhibited by the workers in our factory. However, these are mass produced models. As with any ARF, take a few minutes to go over the model and add CA to high stress areas or any joints that appear to need more glue.
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Page 4: Wing Assembly
Wing assembly □ 1. Unwrap wing and disconnect aileron from wing. Align hinges such that they are centered in the slot and exactly ½ of the hinge is exposed to mate with the wing. Set aside and do not glue at this time. □... - Page 5 □ 6. There are 4 pushrods provided, locate the shorter ones for the aileron pushrods they will be 2 ¼” long with a “Z” bend. Insert the Z end into the horn, the servo arm will use the quick connector. Grind a flat surface where the quick connector will secure to the pushrod, be careful not to grind too much material.
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Page 6: Fuselage Assembly
Fuselage assembly □ 1. Take the fuselage and we will locate several holes and remove the covering to expose the hole. Below are several measurements to aid in locating those holes. You may feel with your finger or slide a warm covering iron over the area to better reveal these holes. - Page 7 Figure 6 □ 3. From the leading edge forward to the motor mount we recommend removing some covering to expose the wood for gluing the forward fuselage sides, providing a wood to wood bond. See figure 7, this picture was taken from the nose of the fuselage. Be sure not to remove more covering than the fuse side will cover and do not cut into the balsa wood.
- Page 8 TIP: some color schemes may necessitate that there will be a left and right part. The mount comes unpainted, we chose to paint ours black for looks only. Figure 8 □ 5. Using the same procedures as above, install the aft fuselage sides. See figures 9 and 10.
- Page 9 adjustment time. Replace the horizontal stab into the slot and with the tape you should only need to check for level with the wing. Glue in place. See figures 11, 12 and 13. Figure 11 Figure 12 Figure 13 □ 7. Take the rudder and the tail wheel wire and rout a channel in the bottom forward section of the rudder for the tail wheel wire.
- Page 10 □ 8. Trial fit the vertical stabilizer in the slot on the top rear portion of the fuselage. Check alignment with horizontal stab and the fuselage. Similar techniques to the horizontal alignment may be employed here too. Whichever the case, once it is as desired, glue in place.
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Page 11: Landing Gear Assembly
Landing gear assembly □ 1. Locate the aluminum gear, axles, tires, wheel pants (spats), round ply mounting pads and wheel collars. Drill a hole in the spat allowing enough room to clear the tire, you will likely need to trial fit this on the aluminum gear and axles. Once you have the desired location drill it and then glue the round ply mounting pads onto the pant with epoxy. -
Page 12: Motor Installation
□ 3. Now mount the gear to the fuselage. You will need to drill thru the fuselage to open the mounting holes. Using the 2 supplied 1” bolts with washers each side and nylon insert nut, mount the gear. See figure 19. Figure 19 Motor installation □... - Page 13 Tail servos, ESC and battery installation □ 1. The hole for the rudder and elevator servo is 5” in front of the leading edge of the rudder and 1” up from the bottom. Remove covering as previously described and trial fit your servos, you may need to trim some wood for proper fit.
- Page 14 □ 4. Now is a good time to do a preliminary center of gravity (CG) check. The CG range is ½” in front to ½” behind the wing tube. Take the ESC and your intended battery of use and tape them to the fuse and check CG. Move them until you reach your desired CG and note the locations.
- Page 16 CG on the aft portion of the wing tube, to stay in the CG range move your battery in fore/aft in the open slot just behind the motor. Items we used to finish the airplane These items are available from Extreme Flight RC Torque 2814/820 Flightpower 4 cell 2170mah...
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