Seagull Models DUAL ACE, Instruction Manual

Page 1: ...gspan 70in 177cm Wing area 862sq in 55 6 sq dm Approximate flying weight 11lbs 5kg Length 59in 149 5cm Recommended engine size 46 cu in 2pcs 2 stroke Radio System required 6 channels with 7 digital servos Flying skill level Intermediate advanced Hand made Almost Ready to Fly R C Model Aircraft ASSEMBLY MANUAL DU DU DU DU DUAL AL AL AL AL A A A A ACE CE CE CE CE ...

Page 2: ... contact your R C supplier and join your local R C Model Flying Club R C Model Flying Clubs offer a variety of training procedures designed to help the new pilot on his way to successful R C flight They will also be able to advise on any insurance and safety regulations that may apply ADDITIONAL ITEMS REQUIRED 46cu in 2 stroke engine 2pcs Computer radio with seven digital servos Glow plug to suit ...

Page 3: ... fit and are aligned properly before gluing This will ensure proper as sembly as the DUAL ACE is made from natural materials and minor ad justments may have to be made The paint and plastic parts used in this kit are fuel proof However they are not tolerant of many harsh chemi cals including the following paint thinner cyano acrylate glue accel erator cyanoacrylategluede bonder and acetone Do not ...

Page 4: ...help ensure an equal amount of hinge is on either side of the hinge line when the aileron is mounted to the wing panel HINGING THE AILERONS Note The hinge is constructed of a special material that allows the C A to wick or penetrate and distribute throughout the hinge securely bonding it to the wood structure of the wing panel and aileron 7 Repeat this process with the other wing panel securely hi...

Page 5: ... the elevator to the horizontal stabilizer panel hinge line Note The hinge is constructed of a special material that allows the C A to wick or penetrate and distribute throughout the hinge securely bonding it to the wood structure of the horizontal stabilizer panel and elevator 5 Turn the horizontal stabilizer panel over and deflect the elevator in the opposite direction from the opposite side App...

Page 6: ...ed between the vertical fin panel and rudder 5 Turn the vertical fin panel over and deflect the rudder in the opposite direction from the opposite side Apply thin C A glue to each hinge making sure that the C A penetrates into the rudder and fuselage panel HINGING THE RUDDER 8 After both elevator are securely hinged firmly grasp the horizontal stabilizer panel and elevator to make sure the hinges ...

Page 7: ...prevent it from falling back into the wing Servo Small weight Thread We recommended to use long servos arm for all servos without throttle servo Because the size of servos differ you may need to adjust the size of the precut opening in the mount The notch in the sides of the mount allow the servo lead to pass through Install the rubber grommets and brass collets onto the aileron servo Test fit the...

Page 8: ... the servo mount Repeat the procedure for orther wing haft 2 Locate the nylon control horns nylon control horn backplates and three machine screws 3 Position the aileron horn on the bottom side of aileron The clevis attachment holes should be positioned over the hinge line Aileron electric Plastic tape Wing panel bottom Pull Electric wire Thread Pen Servo arm Straigh line ...

Page 9: ...bases and aileron halves then into the mounting backplates Do not overtighten the nuts or the backplates may crush the wood Control Horn Mounting Screws Mounting Plate 3MM x 30mm 2MM x 20mm C A glue attach 6 Thread one nylon adjustable control horn on to each aileron control rod Thread the horns on until they are flush with the ends of the control rods M2 lock nut Snap keeper M2 clevis Aileron tor...

Page 10: ...ther end to the nylon pick up tube 4 Carefully heat the vent tube using a heat gun or lighter to permanently set the angle of the tube When the stopper assembly is installed in the tank the top of the vent tube should rest just below the top surface of the tank It should not touch the top of the tank INSTALLING THE STOPPER ASSEMBLY 3 Carefully bend the second nylon tube up at a 45º angle This tube...

Page 11: ...e should rest just below the top of the tank It should not touch the top of the tank 7 When satisfied with the alignment of the stopper assembly tighten the 3mm x 20mm machine screw until the rubber stopper ex pands and seals the tank opening Do not overtighten the assembly as this could cause the tank to split Because the size of servos differ you may need to adjust the size of the precut opening...

Page 12: ...e align ment mark the locations of the engine mounting 5 Bolt the engine to the engine mount using the four machine screws Double cheek that all the screws are tight before proceeding MOUNTING THE ENGINE 1 Install the pushrod housing through the predrilled hole in the firewall and into the servo compartment The pushrod housing should protrude 1 4 out past the front of the firewall Make a Z Bend 1 ...

Page 13: ...e needle valve 2 While keeping the back edge of the nacelle flush with the marks align the front of the nacelle with the crankshaft of the engine The front of the nacelle should be positioned so the crankshaft is in nearly the middle of the nacelle opening Use the spinner backplate as a guide Hold the nacelle firmly in place us ing pieces of masking tape 3 Put the nacelle back over the engine and ...

Page 14: ... away the spinner cone where the propel ler comes in contact with it Install the spinner backplate propeller and spinner cone The spinner cone is held in place using two 3mm x 12mm wood screws spinner is not included INSTALLING THE SPINNER Repeat the procedure for the other nacelle C A glue Carburetor Drill 1mm 2mmX8mm 10pcs Plywood strap 2mmX8mm ...

Page 15: ...in place using two nylon landing gear straps and four 3mm x 10mm wood screws NOTE 4 Using the two landing gear straps as a guide mark the locations of the four 3mm x 10mm mounting screws onto the wing sur face 5 Remove the two straps and the gear wire Drill four 1mm pilot holes into the wing for the wood screws Be careful not to drill through the top of the wing INSTALLING THE MAIN GEAR WIRES Repe...

Page 16: ...he wheel collars Slide the remaining wheel collars with 3mm x 6mm set screws onto the axles Push them up against the wheels and tighten the set screws The wheels should spin free and not bind in any way If they do bind loosen the set screws in the outer wheel collars and move the collars out a small amount Retighten the set screws Repeat the procedure for the other main gear wheel PARTS REQUIRED N...

Page 17: ... stabilizer Also extend this mark down the back of the trailing edge of the stabilizer 3 Slide the stabilizer into place in the pre cut slot in the rear of the fuselage The stabi lizer should be pushed firmly against the front of the slot Remove covering INSTALLING THE COWLING Slide the fiberglass cowl over the engine and line up the back edge of the cowl with the marks you made on the fuselage th...

Page 18: ...ng from both the top and the bottom of the platform sides 7 When you are sure that everything is aligned correctly mix up a generous amount of 30 Minute Epoxy Apply a thin layer to the top and bottom of the stabilizer mounting area and to the stabilizer mounting platform sides in the fuselage Slide the stabilizer in place and realign Double check all of your mea When cutting through the covering t...

Page 19: ...gh pressure to only cut through the covering itself Cut ting into the balsa structure may weaken it 4 Slide the vertical stabilizer back in place Using a triangle check to ensure that the vertical stabilizer is aligned 90º to the hori zontal stabilizer 90º Vertical Stabilizer Horizontal Stabilizer 5 When you are sure that everything is aligned correctly mix up a generous amount of Flash 30 Minute ...

Page 20: ...ill bit and the control horns as a guide drill the mounting holes through the elevator halves 4 Mount the control horns by inserting the bolts through the control horn bases and elevator halves then into the mounting backplates Do not overtighten the nuts or the backplates may crush the wood 1 Locate the three nylon control horns three nylon control horn backplates and six machine screws M3 lock n...

Page 21: ... the transmitter to neutral and center the servo arms The eleva tor and rudder servo arms should be perpen dicular to the servos 3 One at a time hold the pushrods in po sition over the respective servos to check for proper servo direction If any servo turns in the wrong direction switch your radio s re versing switches as necessary to achieve the correct direction Install servos arm to servos Noti...

Page 22: ...ill two 3 32 holes through the tray for the screws to pass through When balancing the airplane you may need to move the battery or receiver for ward or after to achieve proper balance 3 Route the antenna in the antenna tube inside the fuselage and secure it to the bot tom of fuselage using a plastic tape See pic ture below 2 Wrap the receiver and battery pack in the protective foam rubber to prote...

Page 23: ...e or does not correct it stick small amounts of lead weight on the fuselage sides under the horizontal stabilizer If the tail of the plane falls the plane is tail heavy To BALANCING correct this move the battery and receiver for ward orif this is not possible stick weight onto the firewall or use a brass heavy hub spinner hub similar to those offered by Harry Higley When balanced correctly the air...

Page 24: ...ms should be centered also PREFLIGHT CHECK 1 Completely charge your transmitter and receiver batteries before your first day of flying 2 Check every bolt and every glue joint in the DUAL ACE to ensure that everything is tight and well bonded 3 Double check the balance of the air plane Do this with the fuel tank empty 4 Check the control surfaces All should move in the correct direction and not bin...

Page 25: ... out of balance propeller will cause excessive vi bration which could lead to engine and or air frame failure We wish you many safe and enjoyable flights with your DUAL ACE 7 Check the receiver antenna It should be fully extended and not coiled up inside the fuselage ...

Page 26: ...DUAL ACE InstructionManual 26 The pictures and parts shown above should be changed without notice ...