Seagull Models CHALLENGER Assembly Manual

Balsa build up kit

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ASSEMBLY MANUAL

CHALLENGER

BALSA BUILD UP KIT

Code: SEA200K

NOTE: Specifications and contents subject to change or improvement without notice.

Specifications:

Laser-Cut

Wingspan----------------------155 cm.

Wing area----------------------3950 sq.cm.

Weight--------------------------2.6 - 2.8 kg.

Balsa and Plywood

Engine--------------------------0.40 - 0.46 cu.in -2 stroke

Recommended R/C-----------4 channels minimum.

Flying skill level---------------Sports Trainer.

Construction Kit

Electric conversion: Optional.

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Summary of Contents for Seagull Models CHALLENGER

Page 1 ASSEMBLY MANUAL CHALLENGER BALSA BUILD UP KIT Code: SEA200K NOTE: Specifications and contents subject to change or improvement without notice. Specifications: Laser-Cut Wingspan----------------------155 cm. Wing area----------------------3950 sq.cm. Weight--------------------------2.6 - 2.8 kg. Balsa and Plywood Engine--------------------------0.40 - 0.46 cu.in -2 stroke Recommended R/C-----------4 channels minimum.
Page 2: Additional Items Required
Thank you for choosing the CHALLENGER Build Up Kit by SG Models. The Challenger was designed with the beginner to intermediate sport flyer in mind. It is a sport air- plane which is quick to construct and easy to fly.
Page 3: Tips For Getting Started
TIPS FOR GETTING STARTED. • Set yourself up a building table or bench with a flat surface big enough to assemble the wing and fuselage. Preferably a table or bench with a wood surface that you can stick building pins into.
Page 4 FUSELAGE COMPONENTS. Balsa block. Nylon pushrod tubing. CHALLENGER Build up kit instruction manual...
Page 5 WING COMPONENTS.
Page 6 7) Locate the trailing edge sheeting . Use the every join on the wing panel with white glue. same method as in (6) to secure the trailing Use white glue to secure the leading edge edge sheeting. balsa block in position. CHALLENGER Build up kit instruction manual...
Page 7 10) Your wing panel should now look like 8) Your wing panel should now look like this. this. 9) Locate the centre panel sheeting . This is fitted to the top of the wing panel us- 11) Insert the fiberglass tube into wing panel ing the smae method as in (6).
Page 8 Tack glue root rib in place with CA. Gently sand the joins so they are level and smooth. 14) Now you can go back to the start and cre- ate a mirror image of the first wing panel. CHALLENGER Build up kit instruction manual...
Page 9 NOTE : Be very careful to make a left hand and right hand wing panel ( not two left or two right panels which would be very em- barressing). INSTALLING THE WING TIP. Balsa wing tip sheeting pieces. 21) Locate the aileron and check that all the slots have been cut.
Page 10 Lay flat on plastic surface an apply CA glue. Wipe off any excess glue before it dries so that there won’t be a glue lump at the joint. Repeat for the other fuselage side using Front and Rear.. C/A glue. CHALLENGER Build up kit instruction manual...
Page 11 30min Epoxy. Use White glue to secure formers F8~F13. Use 30min epoxy to glue , F1~F7 in place. Work quickly apply white glue to the tops of F8~F13 and 30min epoxy to F1~F7. Place the other fuselage side in place and hold in place with rubber bands or masking tape wrapped around the fuselage in several places.
Page 12 33) Sheet top of fuselage. White glue. 32) Two pieces of Nylon pushrod tubing are provided for making the outer sleeves of the elevator and rudder pushrods. 34) Sheet tail area. White glue. Nylon pushrod tubing. CHALLENGER Build up kit instruction manual...
Page 13: Stabilizer And Elevator
35) Sheet underside of fuselage. STABILIZER AND ELEVATOR. 38) Sand the leading edges of the horizontal White glue. stabiliser and the elevator then use a hobby knife to cut slots in the trailing edge of the horizontal stabiliser and leading edge of the elevator.
Page 14: Fin And Rudder
Fin flat and square. Knife. C/A glue. 40) Cut slots for the hinges in the fin and rudder. Then set the Fin and Rudder aside for covering. NOTE: DO NOT GLUE THE HINGES IN AT THIS TIME! CHALLENGER Build up kit instruction manual...
Page 15 Sanding block. 41) Using sanding block once more for both fin and rudder. FIT TAIL TO FUSELAGE. 42) See below pictures. C/A glue.
Page 16 Fin, you should completely failure. adhere the covering to all the outside edges of You can cover your Challenger Kit in any the structure first. Then go back and shrink the colour or brand of film you like. Keep the middle of the covering tight.
Page 17 3) COVER THE FUSELAGE. Using iron. Bottom of fuselage. Wrap up. Using iron. Bottom of fuselage. Use knife to cut. Both sides of fuselage.
Page 18 Then turn it over and cut out the corners of the excess cover- ing to make it easier to wrap and seal the covering around the edges. CHALLENGER Build up kit instruction manual...
Page 19 Bottom of wing. Wrap up. Using iron. Process as same as above for aileron. Your wing panel should now look like this. Use knife to cut. Remove covering to install the servo.
Page 20: Final Assembly
Do not let these chemicals come in contact with the colours on the covering and the plastic parts. CHALLENGER Build up kit instruction manual...
Page 21: Hinging The Ailerons
HINGING THE AILERONS. 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 22: Hinging The Elevators
Glue the rudder hinges in place using the same techniques used to hinge the ai- lerons. 2) Carefully remove the elevator from one of the horizontal stabilizer panels. Note the position of the hinges. CHALLENGER Build up kit instruction manual...
Page 23: Fuel Tank Installation
ENGINE MOUNT INSTALLATION. FUEL TANK INSTALLATION. 1) Position the engine with the drive washer Please see below pictures. (110mm) forward of the firewall as shown. 110 mm 2) Use a pin drill and 2mm drill bit to drill a small indentation in the mount for the en- Fuel tank.
Page 24: Installing The Spinner
The propeller should not touch any part of the spinner cone. If it does, use a sharp mod- eling knife and carefully trim away the spinner cone where the propeller comes in contact with CHALLENGER Build up kit instruction manual...
Page 25 Blind nut 4x20 mm 3x12mm 4 mm 4) Attach the motor to the front of the elec- tric motor box using for 4mm blind nut, four M3x12mm hex head bolts to secure the mo- tor. Please see picture as shown.
Page 26: Cowling Installation
Connect the fuel and pressure lines to the carburetor, muffler and fuel filler valve. Secure the cowl to fuse- lage using the 3x10mm screws (4). 3x10 mm CHALLENGER Build up kit instruction manual...
Page 27: Installing The Switch
Elevator servo. Rudder servo. Throttle servo. INSTALLING THE SWITCH. INSTALLING THE SPINNER. Install the switch into the precut hole in the side, in the fuselage. Install the spinner backplate, propeller and spinner cone. The propeller should not touch any part of the spinner cone.
Page 28: Horizontal Stabilizer
Fill epoxy. Epoxy. 2) While holding the vertical stabilizer firm- ly in place, use a pen and draw a line on each side of the vertical stabilizer where it meets the top of the fuselage. CHALLENGER Build up kit instruction manual...
Page 29: Installing The Aileron Servos
INSTALLING THE AILERON SERVOS. Small weight. Servos. String. 3) Slide the vertical stabilizer back in place. Using a triangle, check to ensure that the vertical stabilizer is aligned 90º to the hori- Because the size of servos differ, you may zontal stabilizer.
Page 30 Electric wire. M2 Clevis. Fuel tubing. Hex nut. Aileron electric. Plastic tape. Elevator pushrod. Control horn. Repeat the procedure for other wing haft. M2 Clevis. Rudder pushrod. Elevator pushrod. Fuel tubing. Hex nut. CHALLENGER Build up kit instruction manual...
Page 31: Installing The Receiver And Battery
Elevator. Throttle. Rudder. INSTALLING THE RECEIVER AND BATTERY. MOUNTING THE CONTROL CLASP. 1) Plug the five servo leads and the switch Please pictures below. 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 Lift the model. If the tail drops when you lift, the model is “tail heavy” and you must add weight* to the nose. If the nose drops, it is “nose heavy” and you must add weight* to the tail to balance. CHALLENGER Build up kit instruction manual...
Page 33: Control Throws
*If possible, first attempt to balance the CONTROL THROWS. model by changing the position of the re- ceiver battery and receiver. If you are un- able 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 34: Flight Preparation
A) Plug in your radio system per the man- 2) Check every bolt and every glue joint in ufacturer’s instructions and turn everything the CHALLENGER KIT to ensure that eve- rything is tight and well bonded. B) Check the elevator first. Pull back on 3) Double check the balance of the air- the elevator stick.
Page 35 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 - 37114542 or 848- 36018777...

This manual is also suitable for:

Sea200k