Aviator Pro 120 ARF Instruction Manual Specifications Wingspan: 110 in (2800 mm) Length: 74 in (1870 mm) Wing Area: 1581sq in (102 sq dm) Weight: 11.4-13.4 lbs (5190-6100 g)
Dear Customer, Congratulations on your purchase of our Elite Model Aviator Pro 120 ARF from Value Hobby. We thank you for your generous support, and hope you enjoy your new airplane. At Value Hobby, we hope to offer competitive prices, good performance, and products that you can setup and use with ease. That s why we extensively researched and tested this airplane, and suggested all the products necessary for you to setup properly. We understand that you have many choices when purchasing, and we are grateful you choose to buy from us. As vendors, one of the most gratifying things for us is to hear from our customers. We would welcome any suggestion to help us improve. Please make us aware of any errors and imperfections in the airplane or the instructions, or about the setup that we suggested. We hope you ll find our setup suggestions to be helpful, and enjoy flying your new airplane. Please feel free to contact us at (630) 948-0947 or email us at support@valuehobby.com Disclaimer By purchasing and/or building this model, user assumes ALL liability and risk involved with this product. This model should be built and flown by an experienced pilot and only flown at AMA sanctioned sites. Value Hobby guarantees this model to be free of defects in materials and workmanship at the date of purchase. This warranty does not cover any parts damaged by use or modifications. In no way shall Value Hobby s liability exceed the original cost of the purchased model. Further, Value Hobby reserves the right to modify this warranty without notice. Value Hobby has no control over the final stages of assembly or the material used for the final assembly. No liability shall be assumed nor materials used for the final user-assembled product. By the act of using the final product the user accepts all resulting liability. Value Hobby, as an R/C product vendor, provides a top quality airplane and instructions to complete the model. The quality and flight characteristics of the finished model depend greatly on how it is built; we cannot guarantee the performance for the completed model and representations are expressed or implied as to the performance of the completed model. If the buyer is not prepared to accept the liability associated with the use of this product, the buyer is advised to return this kit immediately, in new and unused condition. Safety in Assembly During assembly of this aircraft, you will be asked to use sharp knives and hobby adhesives. Please follow all safety procedures recommended by the manufacturers of the products you use, and always follow these important guidelines: ALWAYS protect your eyes when working with adhesives, knives, or tools, especially power tools. Safety glasses are the best way to protect your eyes. ALWAYS protect your body, especially your hands and fingers when using adhesives, knives, or tools, especially power tools. Do not cut toward exposed skin with hobby knives. Do not place hobby knives on tables or benches where they can roll off or be knocked off. ALWAYS have a first-aid kit handy when working with adhesives, knives, or tools, especially power tools. ALWAYS keep hobby equipment and supplies out of the reach of children. 2
Safety in Flying This is NOT a toy! It is a very high-performance RC airplane capable of high speeds and extreme maneuvers. It should only be operated by a competent pilot in a safe area with proper supervision. ONLY fly your aircraft in a safe, open area, away from spectators and vehicles and where it is legal to fly. NEVER fly over an unsafe area, such as a road or street. Never fly too close to yourself or spectators. Never run your motor inside a house or building with the propeller attached Remove the prop for safety. Required Items CA Glue Thin and Thick Epoxy glue Hobby Knife Small Phillips Screwdriver Set Metric Allen Wrenches Scissors Small Pliers Wire Cutters Masking tape Optional Heat gun Before Starting Assembly Examination Unpack your airplane and examine the components. Check for damage of any kind. If you see any damage, please contact Value Hobby immediately. Covering Your airplane was packed in plastic at the factory without any wrinkles in the covering. You may notice some wrinkles now; more likely, you will notice a few in a day or two or the first time you take the plane out to the flying field. These wrinkles are the result of wood shrinkage and/or expansion. Balsa wood changes size and shape slightly as it is exposed to varying humidity in the air. This is a natural property of balsa wood. As your airplane adjusts to the weather in your part of the world, wrinkles may appear and disappear. Wrinkles may be removed with the gentle application of heat to the covering material on your airplane. The best tool to use is a hobby heat gun. Apply the heat gently: the covering material will shrink as you apply the heat, and this will remove the wrinkles. BE CAREFUL! Too much heat applied too quickly can damage the covering, either by causing it to pull away from the wood at seams and corners or even by melting it. The covering will shrink at low temperature with patient application of heat. Wrinkles in the covering DO NOT affect flight performance Remove the canopy before attempting to use heat on your covering! The canopy is made of thermo-activated plastic and WILL deform with the application of heat. Do not apply heat to the canopy. If you need to clean your airplane, we recommend using a damp towel. The paint used on the canopy and cowl is not safe for all cleaners. In particular, DO NOT use alcohol on these parts, it will remove the paint. 3
RECOMMENDED RADIO EQUIPMENT Product SKU Quantity Radio Flysky TH9x 9CH transmitter and receiver set FLY-RC-1570 1 Servo Towpro MG996R standard servo TWP-SV-0372 8 Servo Extension Universal Servo Extension Heavy Duty 24inch AMS-AC-0566 6 Y-Harness Universal Servo Heavy Duty Y-Harness 12in AMS-AC-0870 2 RECOMMENDED POWER SETUP Motor Product 20cc-30cc Gasoline Engine SKU RX Battery GForce 10C 1100mAh 2S 6.6V LiFe RFI-LP-1438 Prop 15 x 8 OPTIONAL ACCESSORIES: Product SKU Charger GT Power C6 6S LiPO Charger GTP-CH-1427 Thin CA Glue Quickie Thin CA VHB-AC-2097 Medium CA Glue Quickie Medium CA VHB-AC-2098 Watt Meter GT Power 130A Watt Meter GTP-AC-0591 LiPO Bag LiPO charging bag VHB-LP-0330 4
Main Parts and Accessories: www.valuehobby.com/aviator-120-arf.html 1. Wing panels 2. Fuselage 3. Horizontal tail 4. Vertical tail 5. Cowling 5
1. Wing strut x 2 2. M3*15 socket head screw x 4 3. Aileron servo hatch x 2 4. Flap servo hatch x 2 5. M2.6*12mm self-tapping screw x 16 6. Fuel tank mounting tray x 1 7. 550mm cable tie x 2 8. 420cc fuel tank x 1 9. Main landing gear x 1 10. M4*20mm socket head screw x 4 11. M8*56mm axle x 2 12. M8 locknut x 2 13. D110mm wheel x 2 14. 5mm wheel collar x 4 15. Wheel pant x 1pair 16. M2.6*12mm self-tapping screw x 2 17. Tail wheel assembly x 1 18. Wing backplate x 1 19. Wing tube x 1 20. M6*45mm socket head screw x 1 21. Wrench x 1 22. 150x3mm aileron servo pushrod x 2 23. 100x3mm flap servo pushrod x 1 24. 230x3mm elevator servo pushrod x 2 25. 2m steel cable for rudder servo x 1 26. 450x1.8 throttle servo pushrod x 1 27. M3 Clevis x 8 28. Torque rod assembly x 6 29. Torque rod assembly for rudder x 1 30. Ball link x 8 31. Threaded cable coupler x 4 32. M3*15 socket head screw x 8 33. M3 locknut x 8 34. M3 washer x 16 35. Fitting x 12 36. 2.5m steel cable x 1 37. Fiberglass push-push servo horn x 1 38. Hinge x 30 6
Section1. Aileron & Flap Servo Installation Step1. Insert three CA hinges into the aileron. Step4. Apply thin CA to both sides of all the hinges. After the CA has hardened for a few minutes, pull hard on the flap and aileron to make sure they are secure. Step2. Insert four CA hinges into the flap. Step5. Use a hobby knife to remove the covering for the flap and aileron servos. Step3. Attach the aileron and flap to the wing through the hinges. Adjust them to make sure aileron and flap to move up and down freely, not rubbing with each other and the wing. Step6. Install one servo with the servo horn onto the servo hatch.
Step7. Connect one servo extension wire to the aileron servo, and use a safety lock to make the connection secure. Step9. Use four self-tapping screws to install the servo hatch to the wing. Step8. Thread the servo wire through the wing panel. Step10. Thread the M3 x 150mm aileron push rod to the M3 ball link. Step11. Use M3 x 15mm socket head screw, M3 nut, two M3 washers to install the aileron push rod to the servo horn. 8
Step12. Mark the servo control horn mounting location on the aileron using the push rod as the guide. Step14. Install a pin clevis to the torque rod. Step13. Install the torque rod to the aileron. Step15. Thread the push rod to the pin clevis, and adjust to make sure the hole of the ball link is aligned with the hole of the servo arm. Step16. Attach the push rod to the servo arm using M3*15mm socket head, M3 nut and M3 washers. Repeat the previous steps for the remaining aileron servo and flap servo. 9
Section2. Main landing Gear Installation Step1. Install one wheel axle to the landing gear using a M8 nut. Step4. Attach the wheel pant to the wheel axle, and use a M2.6 x 12mm self-tapping screw to secure the pant to the landing gear. Step2. Glue a wood support to the landing gear. Step5. Tighten two wheel collars to make sure the wheel not to move along the axle. Step6. Repeat step 1 to 5 for the other wheel and wheel pant. Step3. Slide two wheel collars and one wheel to the axle. Step7. Use four M4*20mm socket head screws to install the landing gear assembly to the fuselage. 10
Section3. Wing Installation Step4. Remove the covering for the wing strut. Step1. Use the wing tube to attach two wing panels together. Step5. Locate the mounting hole on the fuselage for the wing strut. Step2. Install the wing to the fuselage. Step3. Use two M6*45mm wing screws and one wood back plate to secure the wing to the fuselage. Step6. Use two M3*15mm socket head screws to install the wing strut. Repeat steps 1 to 6 for installing the other wing strut. 11
Section4. Tail Set Installation Step1. Remove the covering on the horizontal stabilizer and fuselage. Step6. Use a pen to trace the outline of the fuselage and fin on the bottom and top of the stabilizer. Use a pen to trace the outline of the fuselage and stabilizer on the both sides of the fin. Step2. Put the stabilizer and fin into the fuselage, with the leading edge pushed against the fuselage. Center the stabilizer by measuring the distance from the fuselage to each tip. The stabilizer is aligned when both measurements are identical. Step7. Remove the covering on the stabilizer along the line marked in the previous steps. Step3. Check the distance from each stabilizer tip to each wing tip. These measurements must also be equal. Step4. The last alignment step is making sure the wing and stabilizer are parallel. Step5. Make sure the fin is perpendicular with the stabilizer. 12
Step8. Remove the covering along the line marked. Section5. Rudder and Tail Wheel Installation Step1. Locate the tail wheel landing gear wire and bend it to the shape shown below. Step9. Use epoxy to glue the fin and stabilizer into the fuselage. Make sure the stabilizer is centered and parallel with the wing, and the fin is perpendicular with the stabilizer. Step2. Cut a groove and drill a hole on the rudder to make sure the landing wire fit tightly in. Insert the hinges to the rudder in this step. Step3. Attach the rudder to the fin through the hinges. (Apply thin CA to the hinges to make sure the rudder is secured to the fin.) Slide the tail wheel assembly to the landing gear wire and tighten the set screw. Step10. Attach the elevators to the stabilizer. 13
Step4. Use three self-tapping screws to secure the bracket to the fuselage. Section6. Elevator Servo Installation Step1. Install two elevator servos onto the fuselage. Step2. Prepare two elevator push rods with clevis and ball link installed. 14
Step3. The mounting holes are pre-drilled at the factory. Install two torque rods to the elevator, and attach the push rod to the torque rod. Section7. Securing the Stabilizer Step1. Attach two fittings at the bottom rear of the fuselage using two self-tapping screws. Step2. Attach two fittings at the bottom of the stabilizer. Step4. With the elevator centered, attach the pushrod to the elevator servo arm. Step3. Attach four fittings to the fin and the top of the stabilizer 15
How to connect the cable to the fitting? Slide the cable through a crimp, through the cable end, and then back through the crimp twice. Pull the excess cable tight and use a crimping tool to complete the job. Step4. Cut the cable into four equal pieces, and connect the cables to the fittings. The cables should have very light tension. 16
Section8. Rudder Servo Installation Step1. Install the torque rod, centered, in the rudder. Tighten both torque rod nuts. Be sure use thread locker on the threads. Step4. Install the threaded cable coupler to the ball link. Step5. Install the ball link to the servo horn using M3*15mm socket head screw, M3 nut and washer. Step2. Remove the covering for rudder servo steel wire on both sides of the fuselage. Ste6. Install the servo to the servo tray using the self-tapping screws provided with the servo. Step3. Prepare a servo with push-push servo horn. 17
Step7. Guide the steel wire through the opening of the fuselage. Cross the rudder wire once inside the fuselage. The cable on the right side of the rudder should go to the left side of the servo horn and vice-versa. Step10. Attach the clevis to the torque rod. Step11. Hold the servo horn in the neutral position. Step8. Connect the steel wire to the cable coupler using aluminum tube. Step12. With the rudder centered, connect the steel wires to the cable couplers. Step9. Thread the threaded cable coupler to the clevis. Step13 If necessary, adjust the tension in one or both wires by turning the cable coupler in or out. 18
Section9. Engine Installation (For more installing details, please refer to the manual of the DLE-30 gasoline engine.) Below is the tray for the fuel tank. Step1. Drill four holes in the firewall for engine mounting bolts. (The marked location is for DLE 30cc engine.) Step4. Install four standoffs onto the firewall. Drill a hole through the firewall for the throttle push rod. Step2. Remove the covering for opening for the fuel tank. Step5. Install the gasoline engine to the standoffs. Step3. Assemble the fuel tank and install it in the fuselage. 19
Step6. Attach the throttle push rod to the engine. Step9. Install the cowling to the fuselage. Step7. Install the throttle servo to the fuselage. Step10. Install the prop to the engine. Step8. Test fit the cowling onto the engine, and mark the location for cutouts directly onto the cowling. Cut off the marked part marked. Step11. Install the canopy to the fuselage. 20
Section10. Recommend CG and Control Throw For the first flight, the recommended CG is 120mm (4.7in) behind the leading edge of the wing against the fuselage. Control Throws Low / Precision Rates (in degrees) and Corresponding Exponential Aileron: 20 up/ 20 down Expo: 40% Elevator: 20 up/20 down Expo: 25% Rudder: 30 left/30 right Expo: 30% Note: Futaba and Hitec radios require NEGATIVE exponential, while JR and Spektrum use POSITIVE exponential. Range test your radio Step1. Before fly, be sure to range check your radio as manufacturer s instruction manual of your radio-system recommends. Step2. Double-check all controls (aileron, elevator, rudder and throttle) move in the correct direction. Step3. Be sure that your LiPO battery is fully charged. 21
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