Seagull RANS S-20 RAVEN-20cc Assembly Manual

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A S S E M B L Y M A N U A L

RANS S-20 RAVEN

20cc

" Graphics and specifications may change without notice " .

Code: SEA279

Specifications:

Wingspan---------------80 in (203.2 cm).

Wing area---------------1069.5 sq.in ( 69 sq.dm).

Weight-------------------12.6 lbs (5.7 kg).

Length-------------------53.4 in (135.6 cm).

Engine-------------------20cc gasoline.

Radio--------------------6 channels with 8 servos.

Table of Contents

Summary of Contents for Seagull RANS S-20 RAVEN-20cc

Page 1 A S S E M B L Y M A N U A L RANS S-20 RAVEN 20cc “ Graphics and specifications may change without notice ” . Code: SEA279 Specifications: Wingspan---------------80 in (203.2 cm). Wing area---------------1069.5 sq.in ( 69 sq.dm). Weight-------------------12.6 lbs (5.7 kg).
Page 2 RANS S-20 RAVEN 20cc Instruction Manual. INTRODUCTION. Thank you for choosing the RANS S-20 RAVEN 20cc ARF by SG MODELS . The RANS S-20 RAVEN 20cc was designed with the intermediate/advanced sport flyer in mind. It is a semi scale airplane which is easy to fly and quick to assemble.
Page 4 RANS S-20 RAVEN 20cc Instruction Manual. HINGING THE FLAP. KIT CONTENTS. SEA279 RANS S20 RAVEN 20cc 1. Fuselage 2. Wing set 3. Tail set 4. Cowling 5. Landing gear 6. Canopy ADDITIONAL ITEMS REQUIRED. 2x10mm 20cc gasoline engine. � Computer radio with 8 servos. �...
Page 5 HINGING THE AILERON. Note : The control surfaces, including the ai- lerons, elevators, and rudder, are prehinged with hinges installed, but the hinges are not glued in place. It is imperative that you prop- erly adhere the hinges in place per the steps that follow using a high-quality thin C/A glue.
Page 6 RANS S-20 RAVEN 20cc Instruction Manual. 4) Deflect the aileron and completely satu- 8) After both ailerons are securely hinged, rate each hinge with thin C/A glue. The ailer- firmly grasp the wing panel and aileron to ons front surface should lightly contact the make sure the hinges are securely glued and wing during this procedure.
Page 7 INSTALLING THE AILERON SERVOS. Epoxy. Aileron control horn. INSTALL FLAP CONTROL HORN. Install the flap control horn using the same method as same as the aileron con- trol horns. Fiberglass control horn Because the size of servos differ, you may need to adjust the size of the precut opening in the mount.
Page 8 RANS S-20 RAVEN 20cc Instruction Manual. C/A glue 7) Remove the string from the wing at the 3) Apply 2-3 drops of thin C/A to each servo location and use the tape to attach it of the mounting holes. Allow the C/A to to the servo extension lead.
Page 9 80mm M3 clevis. M3 lock nut. 8) Set the aileron hatch in place and use a Phillips screw driver to install it with four wood screws. M2x10mm INSTALLING THE FLAP SERVO. Repeat the procedure for the flap servo. AILERON PUSHROD INSTALLATION. Please see below pictures.
Page 10 RANS S-20 RAVEN 20cc Instruction Manual. INSTALLING THE RECEIVER SWITCH. 80mm Install the switch into the precut hole in the side, in the fuselage. M3 lock nut. M3 clevis. 3/32” Hole. Trim and cut. INSTALLING THE FUSELAGE SERVOS. Because the size of servos differ, you may need to adjust the size of the precut opening in the mount.
Page 11 Switch. INSTALLING THE MAIN LANDING GEAR TO FUSELAGE. M4x20mm M4x20mm Thread locker glue.
Page 12 RANS S-20 RAVEN 20cc Instruction Manual. Collar.
Page 13 Collar. Vent tube. Fuel pick up tube. INSTALLING THE STOPPER ASSEMBLY. Fuel fill tube. 1) Using a modeling knife, carefully cut off the rear portion of one of the 3 nylon tubes leaving 1/2” protruding from the 3) Carefully bend the second nylon tube up rear of the stopper.
Page 14 RANS S-20 RAVEN 20cc Instruction Manual. 5) With the stopper assembly in place, the weighted pick-up should rest away from the rear of the tank and move freely inside the tank. The top of the vent tube should rest just below the top of the tank.
Page 15 Vent tube. 145mm Fuel fill tube. Fuel pick up tube. ENGINE MOUNT INSTALLATION. 1) Locate the items necessary to install 2) Use a pin drill and 4mm drill bit to the engine mount included with your drill a small indentation in the mount for model.
Page 16 RANS S-20 RAVEN 20cc Instruction Manual. THROTTLE SERVO ARM INSTALLATION. Install adjustable servo connector in the servo arm as same as picture below: Machine screw M4x30mm...
Page 17 Blow through one of the lines to en- Loctite secure. Adjustable servo sure the fuel lines have not become kinked connector. inside the fuel tank compartment. Air should flow through easily. COWLING. Servo arm. 1) Tape the cowl to the fuselage using low-tack tape.
Page 18 RANS S-20 RAVEN 20cc Instruction Manual. ELECTRIC POWER CONVERSION. 1) Locate the items neccessary to install the electric power conversion included with your model. 3x10mm Because of the size of the cowl, it may be nec- essary to use a needle valve extension for the high speed needle valve.
Page 19 Blind nut. M4x20mm and washers. 4) Attach the motor to the front of the electric motor box using four 4mm blind nut, four M4x20mm hex head bolts to se- M4x20mm cure the motor. Please see picture shown. Epoxy 4 mm 145 mm Then, use 5.5mm drill bit to enlarge the holes on the electric motor box.
Page 20 RANS S-20 RAVEN 20cc Instruction Manual. 5) Attach the speed control to the side of the motor box using two-sided tape Open the air exit hole. and tie wraps. Connect the appropriate leads from the speed control to the mo- tor.
Page 21 Elevator fiberglass control horn. Epoxy. INSTALLING THE HORIZONTAL STABILIZER. HINGING THE ELEVATORS. 1) Using a ruler and a pen, locate the cen- Glue the elevator hinges in place using terline of the horizontal stabilizer, at the the same techniques used to hinge the ai- trailing edge, and place a mark.
Page 22 RANS S-20 RAVEN 20cc Instruction Manual. Epoxy 7) When you are sure that everything is 4) With the stabilizer held firmly in place, aligned correctly, mix up a generous use a pen and draw lines onto the stabi- amount of 30 Minute Epoxy. Apply a thin lizer where it and the fuselage sides meet.
Page 23 INSTALLING VERTICAL STABILIZER INSTALL RUDDER CONTROL HORN. Repeat steps to install the rudder control 1) Using a modeling knife, remove the horn as same as steps done for ailerons. covering from over the precut hinge slot cut into the lower rear portion of the fu- selage.
Page 24 RANS S-20 RAVEN 20cc Instruction Manual. 5) When you are sure that everything is aligned correctly, mix up a generous amount of Flash 30 Minute Epoxy. Ap- ply a thin layer to the mounting slot and to bottom of the vertical stabilizer Hinge slot.
Page 25 RUDDER PUSHROD INSTALLATION. Repeat steps as same as steps done for elevator. 605mm M2 lock nut. M2 clevis. 610mm M2 lock nut. M2 clevis.
Page 26 RANS S-20 RAVEN 20cc Instruction Manual. Next step, insert hatch for servo as shown. M3x12mm C/A glue. MOUNTING THE TAIL WHEEL. Locate items necessary to install tail wheel. 3x10mm 3x10mm M3x20mm...
Page 27 M3x20mm...
Page 28 RANS S-20 RAVEN 20cc Instruction Manual. INSTALL BRACING WIRE AND METAL BRACKET AT THE TAIL. TOP VIEW. 3x15mm 3x20mm 3x20mm...
Page 29 BOTTOM VIEW 3x10mm Thread locker glue.
Page 30 RANS S-20 RAVEN 20cc Instruction Manual. INSTALLING BATTERY - RECEIVER. 1) Plug the servos leads and the switch Epoxy. lead into the receiver. Plug the battery pack lead into the switch also. 2) Wrap the receiver and battery pack in the protective foam rubber to protect them from vibration.
Page 32 RANS S-20 RAVEN 20cc Instruction Manual. INSTALLATION WING STRUTS. 1) Loacte the items for this section of the manual. M3x12mm...
Page 33 Diagonal brace M3x15mm Socket Head Cap Screw Nylon washer Nylon washer M3 locknut Front 68mm M3x10mm...
Page 34 RANS S-20 RAVEN 20cc Instruction Manual. 120mm 139mm M3x10mm M3x10mm M3 locknut. M3 locknut.
Page 35 Wing bolt ATTACHMENT WING- FUSELAGE. Attach the aluminium tube into fuselage. Wing tube. Wing bolt Rubber washer.
Page 36 RANS S-20 RAVEN 20cc Instruction Manual. 155mm 52mm...
Page 37 APPLY THE DECALS. 1) If all the decals are precut and ready to stick. Please be certain the model is clean and free from oily fingerprints and dust. Position decal on the model where de- sired, using the photos on the box and aid in their location.
Page 38 RANS S-20 RAVEN 20cc Instruction Manual. *If possible, first attempt to balance the model by changing the position of the receiver battery and receiver. If you are unable to obtain good balance by doing so, then it will be necessary to add weight to the nose or tail to achieve the proper balance point.
Page 39 FLIGHT PREPARATION. PREFLIGHT CHECK. 1) Completely charge your trans- Check the operation and direction mitter and receiver batteries before of the elevator, rudder, ailerons and your first day of flying. throttle. 2) Check every bolt and every glue A) Plug in your radio system per the joint in the RANS S-20 RAVEN 20cc manufacturer’s instructions and turn...
Page 40 RANS S-20 RAVEN 20cc Instruction Manual. If you have any queries, or are interested in our products, please feel free to contact us Factory : 12/101A - Hamlet 4 - Le Van Khuong Street - Dong Thanh Ward - Hoc Mon District - Ho Chi Minh City - Viet Nam. Office : 62/8 Ngo Tat To Street - Ward 19 - Binh Thanh District - Ho Chi Minh City - Viet Nam Phone : 848 - 86622289 or 848- 36018777...