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Global Hobby Skyraider, Instructions For Final Assembly

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Global Hobby Skyraider Instructions For Final Assembly Download Page 2

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To make your modeling experience totally enjoyable, we recommend that you get experienced, knowledgable help
with assembly and during your first flights.  Your local hobby shop has information about flying clubs in your area
whose membership includes qualified instructors.  You can also contact the AMA at the address below.

Academy of Model Aeronautics

5151 East Memorial Drive

Muncie, IN.  47302-9252

(800) 435-9262

www.modelaircraft.org

Global guarantees this kit to be free from defects in both material and workmanship, at the date of purchase.  This does
not cover any components parts damaged by use, misuse or modification.  In no case shall Global's liability exceed
the original cost of the purchased kit.

In that Global has no control over the final assembly or material used for final assembly, no liability shall be assumed
for any damage resulting from the use by the user of the final user-assembled product.  By the act of using the final
user-assembled product, the user accepts all resulting liability.

TABLE OF CONTENTS

Kit Contents.....................................................................2
Additional Items Required..............................................3
Tools and Supplies Needed..............................................3
Field Support Equipment Needed....................................3
Metric Conversion Chart.................................................3
Wing Assembly................................................................4

Hinging the Ailerons................................................4
Installing the Aileron Servos....................................4
Installing the Servo Hatches.....................................5
Installing the Dihedral Brace....................................6
Joining the Wing Halves...........................................6

Optional Fixed Main Gear...............................................7

Installing the Main Gear Struts.................................7
Installing the Main Gear Wheels..............................7

Optional Retract Main Gear.............................................8

Installing the Retract Mechanisms...........................8
Installing the Retract Servo......................................8
Installing the Retract Linkage..................................8
Installing the Retract Gear Covers...........................9
Installing the Wheels..............................................10

Wing Mounting..............................................................10

Installing the Wing.................................................10
Installing the Wing Bolt Doubler............................10
Installing the Wing Fairing.....................................11

Horizontal Stabilizer Installation...................................11

Aligning the Horizontal Stabilizer..........................11
Mounting the Horizontal Stabilizer........................12
Hinging the Elevator Halves..................................12

Vertical Stabilizer Installation.......................................12

Aligning the Vertical Stabilizer..............................12
Mounting the Vertical Stabilizer.............................13
Hinging the Rudder.................................................13

Tail Wheel Installation...................................................13

Tail Wheel Bracket Assembly..................................13
Mounting the Tail Wheel Assembly.......................13
Installing the Tail Wheel.........................................14

Engine Installation.........................................................14

Engine Installation Options....................................14
Installing the Engine to the Motor Mount..............14
Mounting the Engine to the Firewall

For 2 Cycle Engines Only....................................15

Mounting the Engine to the Firewall

For 4 Cycle Engines Only................................15

Fuel Tank.......................................................................16

Stopper Assembly...................................................16
Stopper Installation................................................17
Fuel Tank Installation.............................................17

Throttle Linkage............................................................18

Installing the Pushrod Housing..............................18
Installing the Pushrod Wire....................................18

Servo Installation...........................................................18

Installing the Fuselage Servos...............................18

Throttle Connection.......................................................19

Installing the Servo Connector...............................19

Rudder Pull-Pull Cables................................................19

Installing the Control Rod......................................19
Installing the Pull-Pull Cable.................................19

Elevator Pushrod...........................................................21

Installing the Control Horns..................................21
Installing the Elevator Pushrod..............................21

Aileron Linkages...........................................................22

Installing the Control Horns..................................22
Installing the Aileron Linkages..............................22

Canopy...........................................................................23

Canopy Preparation...............................................23
Mounting the Canopy............................................23

Cowl...............................................................................23

Installing the Cowl Blocks.....................................23
Mounting the Cowl................................................23
Installing the Fuel Filler........................................24
Installing the Fuel Lines.......................................24
Installing the Cowl Fairings..................................24

Final Assembly............................................................25

Installing the Receiver and Battery.......................25
Installing the Switch.............................................25
Applying the Decals...............................................25

Balancing......................................................................26

Lateral Balance......................................................26

Control Throws.............................................................26
Flight Preparation..........................................................26

Preflight Check.......................................................27

Flying.............................................................................27
Notes...............................................................................28
Trim Chart.....................................................................29
Product Evaluation........................................................30

Summary of Contents for Skyraider

Page 1: ...Skyraider the best and most effective close support airplane in the world Now you too can experience the same feeling with your new Global Skyraider ARF The Global Skyraider is built by master craftsmen utilizing the finest grades of balsa light ply foam and fiberglass It s covered using heat shrink polyester material just like you would buy at your local hobby shop Want to install retracts into y...

Page 2: ...vers 9 Installing the Wheels 10 Wing Mounting 10 Installing the Wing 10 Installing the Wing Bolt Doubler 10 Installing the Wing Fairing 11 Horizontal Stabilizer Installation 11 Aligning the Horizontal Stabilizer 11 Mounting the Horizontal Stabilizer 12 Hinging the Elevator Halves 12 Vertical Stabilizer Installation 12 Aligning the Vertical Stabilizer 12 Mounting the Vertical Stabilizer 13 Hinging ...

Page 3: ... Pin q 2 2mm Wheel Collars q 2 Brass Bearing Inserts q 2 2mm x 5mm Machine Screws q 3 3mm x 10mm Wood Screws q 1 740mm Split Elevator Pushrod Assembly q 2 Nylon Clevises q 1 Adjustable Servo Connector Assembly q 2 Nylon Control Horn w Backplates q 4 2mm x 25mm Machine Screws q 6 C A Hinges q 1 1 5mm x 380mm Pushrod Wire q 1 3mm x 270mm Nylon Pushrod Housing q 1 Adjustable Servo Connector Assembly ...

Page 4: ...2V Charger 110270 q Magnum Power Panel 237390 q Global Field Buddy Flight Box 233072 q Magnum 4 Way Wrench 237420 To convert inches into millimeters Inches x 25 4 MM 1 64 4mm 1 32 8mm 1 16 1 6mm 3 32 2 4mm 1 8 3 2mm 5 32 4 0mm 3 16 4 8mm 1 4 6 4mm 3 8 9 5mm 1 2 12 7mm 5 8 15 9mm 3 4 19 0mm 1 25 4mm 2 50 8mm 3 76 2mm 6 152 4mm 12 304 8mm 18 457 2mm 21 533 4mm 24 609 6mm 30 762 0mm 36 914 4mm q 1 Er...

Page 5: ...e to be in serted far enough into the aileron so the centerline of the hinge is flush with the leading edge of the aileron If the hinges cannot be inserted deep enough use a modeling knife and cut the hinge slots deeper See figure 1 below Figure 1 q 3 When satisfied with the fit of the hinges in the ailerons remove them and test fit the hinges into the trailing edge of the wing halves The centerli...

Page 6: ...ore proceeding It is important that you use epoxy in this situa tion C A glues will not adhere as well to the hardwoods and if used the blocks could break loose when installing the servo or worse during flight q 14 After the epoxy has cured place the servo back onto the hatch Mark the locations of the four mounting screws onto the two blocks using a pencil q 15 Remove the servo and drill 1 16 pilo...

Page 7: ...ng overlapping so it does not pull away It is important that the covering be removed from the root ribs This will ensure an adequate wood to wood glue joint and prevent wing failure during flight q 25 Using a ruler and a pen locate and mark the centerline of the plywood dihedral brace Draw one vertical line at this location on each side See photo 4 below Photo 4 q 26 Test fit the dihedral brace in...

Page 8: ...over ing from over the two main gear mounting slots lo cated in the bottom of the wing One slot is located in each wing half 8 3 4 out from the centerline of the wing and 1 1 4 back from the leading edge The slot is 2 1 4 long Photo 7 q 7 Repeat steps 2 6 for the second landing gear wire Photo 8 INSTALLING THE MAIN GEAR WHEELS q 8 Slide one nylon spacer then one wheel and one wheel collar with set...

Page 9: ...for installing the sec ond retract mechanism INSTALLING THE RETRACT SERVO q 6 Install the rubber isolation grommets and brass collets onto your retract servo Place the servo onto the preinstalled rails in the servo compartment in the top of the wing The servo output shaft should face the leading edge of the wing q 7 Using a 1 16 drill bit drill pilot holes through the rails for the mounting screws...

Page 10: ... each EZ Connector as shown above q 15 Rotate the servo wheel 180º so the retracts are in the full down and locked position Use pliers and carefully bend each of the wires to prevent them from hitting the EZ Connectors See figure 7 below Figure 7 When you make the bend in the two wires this will shorten the wires slightly You may need to readjust the length of the wires using the EZ Connector q 16...

Page 11: ...d of the trailing edge and 1 5 8 out from the centerline Remove the covering from over the holes on both the top and bottom of the wing q 2 Place the wing into the wing saddle and tem porarily secure it in place using the two 4mm x 40mm machine screws and 4mm plastic flat washers Two 4mm blind nuts have been preinstalled into the bottom of the wing mounting block q 3 Remove the wing bolts and wash...

Page 12: ... the fuselage To center the stabi lizer from side to side measure the stabilizer from the fuselage sides out to the stabilizer s tips Both measurements should be equal when the stabilizer is centered See figure 8 below Figure 8 q 3 When satisfied that the stabilizer is centered place a mark on each side of the top and bottom of the stabilizer where it and the fuselage sides meet Doing this will he...

Page 13: ...the fuselage The rear edge of the stabilizer should be even with the rear edge of the fuselage and the bottom of the stabilizer should be firmly pressed against the top of the horizontal stabilizer The dor sal fin should be centered with and pressed firmly against the top of the fuselage q 2 While holding the vertical stabilizer firmly in place use a pen and draw a line on each side of the vertica...

Page 14: ...he tail wheel bracket Slide the second brass bearing flange side up onto the wire Push firmly on each bearing to seat them into the top and bottom of the bracket See figure 12 below Figure 12 q 2 Insert one 2mm wheel collar into the molded recess in the tail wheel tiller arm Align the hole in the wheel collar with the hole in the side of the tiller arm Install the 2mm x 5mm machine screw q 3 Slide...

Page 15: ...with the engine you re using is highly recommended For four cycle engines we recommend a 60 80 dis placement engine mounted inverted This is a very clean installation and use of an in cowl muffler is un necessary The exhaust can simply be directed out the bottom of the cowling Which ever system you choose the following assembly steps layout the spe cific crankshaft location for both two cycle and ...

Page 16: ...riztonal center line Draw one horizontal line at the marks made above and below the horizontal centerline q 9 On the two horizontal lines you just drew measure and place two marks 5 8 to the left of the vertical centerline and two marks 1 1 16 to the right of the vertical centerline looking at the firewall See photo 29 below Photo 29 q 10 Hold the motor mount assembly up to the firewall and double...

Page 17: ...t beams q 20 Mount the motor mount assembly to the fire wall using the four 4mm x 20mm machine screws four 4mm flat washers and four 4mm blind nuts Tighten the screws securely to draw the blind nuts into the back of the firewall completely Photo 33 PARTS REQUIRED q 1 280cc Molded Fuel Tank q 1 4mm x 28mm Nylon Pick Up Tube q 2 4mm x 28mm Prebent Nylon Vent Tube q 1 3mm x 18mm Self Tapping Screw q ...

Page 18: ...the tube accordingly q 10 When satisfied with the alignment of the stopper assembly tighten the 3mm x 18mm self tap ping screw until the stopper expands and seals the tank opening Do not overtighten the screw as this could cause the tank to split For added security you may wish to apply a thin bead of silicon sealer around the fuel cap where it seals around the front of the tank Make sure not to g...

Page 19: ... the throttle arm from the engine and attach the Z Bend to the hole farthest out in the throttle arm Reattach the throttle arm to the engine q 7 Using a pair of pliers carefully bend the throttle pushrod wire until it is aligned with the throttle arm and does not bind when the throttle barrel is ro tated See photo 37 at top right INSTALLING THE THROTTLE PUSHROD WIRE Photo 37 q 2 Locate the servos ...

Page 20: ...0 PARTS REQUIRED q 1 Stranded Wire Cable q 2 Nylon Adjustable Control Horns q 4 Nylon Clevises q 1 3mm x 50mm Threaded Rod q 2 3mm Flat Washers q 2 3mm Nuts q 4 Brass threaded Couplers q 4 Brass Crimp Collets RUDDER PULL PULL CABLES INSTALLING THE CONTROL ROD q 1 Using a ruler and a pen measure 7 8 up from the bottom of the rudder at the leading edge and 3 8 back from the hinge line and place a ma...

Page 21: ...nd center the servo The servo arm should be perpendicular to the fuselage sides q 14 Working with the right side first install one nylon clevis threaded coupler assembly into the outer hole in the servo arm q 15 Slide one crimp collet non flange side first over the length of cable on the right side Thread the cable through the predrilled hole in the threaded cou pler Make sure the two cables do no...

Page 22: ...nd out the two pushrod exit holes To make this easier drop two pieces of string through the exit holes and into the servo bay Tie one piece of string to each wire and carefully pull the string This will guide the pushrod wires out the exit holes INSTALLING THE ELEVATOR PUSHROD Make sure that when you install the pushrod it is installed below the rudder cables and that the cables do not get wrapped...

Page 23: ...n them You do not want to crush the wood q 4 Thread one nylon clevis onto one 2mm x 250mm threaded wire For security thread the clevis on no less than 5 16 q 5 Install one adjustable servo connector onto the outermost hole in one aileron servo arm You may have to enlarge the hole in the servo arm to accommo date the servo connector See figure 21 below Figure 21 After installing the adjustable serv...

Page 24: ...ll flush with the top of the fuse lage One block is positioned on each side of the lower fuselage Use a modeling knife and 220 grit sandpa per to contour each of the blocks to fit flush with the outer surface of the fuselage See photo 48 below Photo 48 q 2 When satisfied with the fit use 220 grit sand paper and remove the paint from where the mounting blocks will be glued in place q 3 Glue the thr...

Page 25: ...ING THE FUEL FILLER q 12 Push the fuel filler housing into the hole and snap the nylon snap ring over the housing from the inside of the cowl See figure 22 below Figure 22 q 13 Cut to length and attach the vent line to the muffler pressure nipple and fuel pickup line to the fuel nipple on the carburetor if using a standard car buretor engine or on the fuel nipple on the needle valve assembly if us...

Page 26: ...6ARNV two stroke engine the bat tery and receiver were mounted as per step 2 q 3 Using a 1 16 drill bit drill a hole through the side of the fuselage near the receiver for the antenna to exit Route the antenna out of the fuselage and se cure it to the vertical stabilizer using a rubber band and a modified servo arm See figure 23 below Fairing Rear Edge of Cowl Figure 23 q 4 The switch should be mo...

Page 27: ... on the fuselage sides under the horizontal stabilizer If the tail of the plane falls the plane is tail heavy To correct this move the battery and receiver forward or if 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 airplane should sit level or slightly nose down when you lift it up with...

Page 28: ... charge your transmitter and re ceiver batteries before your first day of flying PREFLIGHT CHECK q 2 Check every bolt and every glue joint in the Skyraider to ensure that everything is tight and well bonded This should include all of the control sur face hinges as well q 3 Double check the balance of the airplane Do this with the fuel tank empty q 4 Check the control surfaces All should move in th...

Page 29: ...___________________________________ __________________________________________ ______________________________________________ ____________________________________________ ___________________________________________ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _ _____________...

Page 30: ...ight C Nose drops If C Remove nose weight Yaw Into wind do inside A Wings level throughout If A Trim is correct loops using only elevator B Yaws to right in both If B Add left rudder trim Repeat tests doing inside and outside loops outside loops from C Yaws to left in both If C Add right rudder trim inverted entry inside and outside loops D Yaws to right on inside If D Add left aileron trim and le...

Page 31: ...he kit parts q Damaged q Wrong Size q Missing q Wrong Shape If you checked any of the boxes above did you contact our Customer Service Department to re solve the problem q Yes q No 7 Was any of the assembly difficult for you If yes please explain q Yes q No _____________________________________ _____________________________________ _____________________________________ ____________________________...

Page 32: ...Fold along dotted line Fold along dotted line Global Hobby Distributors Attn Customer Service Department 18480 Bandilier Circle Fountain Valley CA 92728 Post Office will not deliver without proper postage ...

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