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Need help or have any questions? Call us at 1-714-963-0329 or send us an Email at [email protected]

The Modeltech Excite 90L ARF is distributed

exclusively by Global Hobby Distributors 18480

Bandilier Circle, Fountain Valley, CA 92708

Distributors Version V1.0 January 2003

Kit Product Number 123751

INSTRUCTIONS FOR FINAL ASSEMBLY

Specifications:

●

Wing Span:

61 Inches

●

Wing Area:

1,100 Square Inches

●

Wing Loading:

14.5 - 16 Ounces Per Square Foot

●

Length:

68 Inches

●

Weight RTF:

7 - 7.5 Pounds

●

Functions:

Ailerons, Elevator, Rudder & Throttle

●

Power:

.60 - .91 (Small Block) 2-Stroke

●

Radio:

4 Channel w/4 High-Torque Servos & 1 Standard Servo

Содержание Excite 90

Страница 1: ...y CA 92708 All contents copyright 2003 Global Hobby Distributors Version V1 0 January 2003 Kit Product Number 123751 INSTRUCTIONS FOR FINAL ASSEMBLY Specifications Wing Span 61 Inches Wing Area 1 100 Square Inches Wing Loading 14 5 16 Ounces Per Square Foot Length 68 Inches Weight RTF 7 7 5 Pounds Functions Ailerons Elevator Rudder Throttle Power 60 91 Small Block 2 Stroke Radio 4 Channel w 4 High...

Страница 2: ...during your first flights Your local hobby shop has information about flying clubs in your area whose membership includes qualified instructors If there is no hobby shop in your area we recommend that you contact the AMA at the address below They will be able to help you locate a flying field near you Academy of Model Aeronautics 5151 East Memorial Drive Muncie IN 47302 9252 800 435 9262 www model...

Страница 3: ... address below Global Services 18480 Bandilier Circle Fountain Valley CA 92708 Phone 714 963 0329 Fax 714 964 6236 E mail service globalhobby net INTRODUCTION Thank you for purchasing the new Modeltech Excite 90L ARF Before completing the final assembly of your new airplane please carefully read through this instruction manual in its entirety Doing so will ensure your success the first time around...

Страница 4: ...hem The Excite 90L ARF is a big airplane with large control surfaces so using high torque ball bearing servos is a must We strongly recommend that the servos used on the control surfaces produce no less than 65 ounce inches of torque each For 3D aerobatics a four or more channel computer radio with mixing capabilities will be required Since there are two separate aileron servos used they can be pl...

Страница 5: ...ing these items on hand before beginning assembly We have organized the parts as they come out of the box for easier identification during assembly Before you begin assembly group the parts as we list them below This will ensure that you have all of the parts before you begin assembly and it will also help you become familiar with each part If you find any parts missing or damaged please contact u...

Страница 6: ...EOUS FUSELAGE PARTS 1 Prepainted Molded Fiberglass Cowling 1 Molded Clear Canopy 2 M2 x 10 Flange Head Wood Screws 4 M3 x 5 Wood Screws 4 M3 Flat Washers 1 Length of Clear Tubing 1 Decal Set FUEL TANK ASSEMBLY 1 320cc Fuel Tank 1 Large Diameter Metal Plate 1 Small Diameter Metal Plate 1 Rubber Stopper 1 Fuel Pick Up Clunk 1 M3 x 20 Machine Screw 1 Silicon Fuel Tubing 2 Aluminum Tubing ENGINE MOUNT...

Страница 7: ...and turn on the sealing iron to the medium high temperature setting Allow the iron to heat up for approximately 5 7 minutes After the iron has reached temperature lightly apply the iron to the wrinkled section of the covering Move the iron slowly over the wrinkled section until the covering tightens and the wrinkles disappear You will notice that the color of the covering will darken when it is he...

Страница 8: ...h of the two wing panels and set them aside for now Using a modeling knife cut away and remove the excess covering material that overlaps onto the root ribs of each wing panel leaving about 1 16 overlapped so it does not pull away IMPORTANT It s very important to the integrity of the wing center section joint that you remove as much covering material from the root ribs as possible Use a ruler and ...

Страница 9: ...p to its centerline Quickly remove any excess epoxy using a paper towel and rubbing alcohol and allow the epoxy to set up before proceeding After the epoxy has set up test fit both wing panels together again to double check that they still fit together properly Check the leading and trailing edges too It s important that they be even with each other Mix a generous amount of 30 minute epoxy and app...

Страница 10: ...p and bottom of the two predrilled holes in the trailing edge of the wing The holes are located 1 2 in front of the trailing edge and 7 8 out from the centerline Using a ruler and a pencil draw a vertical centerline on one side of the plywood wing screw doubler Using thick C A glue the wing screw doubler to the bottom of the wing making sure that the centerline you drew lines up with the centerlin...

Страница 11: ... should be few or no gaps between the belly pan and the wing If there are use 220 grit sandpaper to carefully adjust the curvature of the belly pan to match the curvature of the wing With the belly pan held firmly in place use a pencil to outline the sides of the belly pan onto the wing Remove the belly pan and set it aside Using a modeling knife carefully cut away and remove a strip of covering f...

Страница 12: ...ups Step 1 Aligning Installing the Horizontal Stabilizer Remove the elevator halves and hinges from the horizontal stabilizer and set them aside for now Using a modeling knife cut away and remove the covering material from over the horizontal and vertical stabilizer mounting slots in the back of the fuselage Slide the horizontal stabilizer into the mounting slot and center it by carefully measurin...

Страница 13: ...r with a sanding block to sand down the higher side of the stabilizer mounting slot then reinstall the stabilizer and check the alignment once more Repeat this procedure until you are satisfied with the alignment With the stabilizer properly aligned use a pencil to draw a line on each side of the stabilizer where it meets the fuselage sides Do this on both the top and the bottom Remove the stabili...

Страница 14: ...them aside for now While holding the vertical stabilizer firmly in place use a pencil to draw a line on each side of the stabilizer where it meets the top of the fuselage Mix and apply a generous amount of 30 minute epoxy to the gluing surfaces of both the stabilizer and the stabilizer mounting slot in the top of the fuselage Apply epoxy to the front of the rudder post and to the back of the fusel...

Страница 15: ...oper adhesion If any C A gets onto the aileron it can be removed promptly using a paper towel soaked with a small quantity of C A Debonder Working with one aileron and wing panel for now slide the aileron and its hinges into the precut hinge slots in the trailing edge of the wing panel making sure that the leading edge of the aileron is pushed up firmly against the trailing edge of the wing panel ...

Страница 16: ...x 12 Wood Screws YOU LL NEED THE FOLLOWING TOOLS AND SUPPLIES Rotary Tool w Cutting Disc Pencil Masking Tape Step 1 Assembling Installing the Tail Wheel Bracket Push one wheel collar into the molded recess in the nylon tiller arm Carefully rotate the wheel collar until the threaded hole in the wheel collar lines up with the molded hole in the side of the tiller arm Partially thread one set screw t...

Страница 17: ... wheel in place Loosen the machine screw in the side of the tiller arm With the rudder centered pivot the tail wheel wire until the tail wheel is aligned with the rudder When satisfied with the alignment tighten the machine screw firmly Kwik Bond Thin C A 2 Phillips Head Screwdriver Adjustable Wrench YOU LL NEED THE FOLLOWING PARTS FROM THE KIT 1 Prebent Aluminum Main Gear Strut 2 Main Gear Wheels...

Страница 18: ...ole in the main gear strut and secure it into place using one M4 flat washer and one M4 lock nut Tighten the lock nut firmly while holding the inner lock nut in place with a pair of needle nose pliers Double check that the inner lock nut has not moved and that the wheel does not bind when turned Repeat the previous procedures to install the second wheel and axle assembly Pacer Z 42 Threadlocker 3m...

Страница 19: ... You can then redrill the holes to fit your engine s width and reinstall the blind nuts Slide the spinner backplate onto your engine and secure it into place using your engine s prop washer and nut Set the engine onto the engine mounting beams Using a ruler measure the distance from the firewall to the back of the spinner backplate Adjust the depth of the engine so the measurement is 4 3 4 Using a...

Страница 20: ...ide the small diameter metal plate over the tubes at the rear of the stopper Using a ruler measure the distance that the two aluminum tubes protrude from the front of the stopper assembly This distance should be 3 8 If it is not adjust the tubes by pushing them forward or backward until you are satisfied with the alignment Secure one end of the silicon fuel tubing onto the end of the fuel pick up ...

Страница 21: ...el Tank Assembly Cut two pieces of silicon fuel tubing to a length of 8 and install them to the aluminum tubes at the front of the tank For your convenience we suggest marking the ends of the tubing vent and pick up so you don t confuse them when it comes time to connect them to the engine later on Feed the ends of the fuel tubing through the predrilled hole in the firewall and slide the fuel tank...

Страница 22: ... the front of the fuselage Install the rubber grommets and brass collets onto your elevator rudder throttle and two aileron servos making sure to install the collets with the flanges toward the bottom of the servo Using a modeling knife cut away and remove the covering material from over the half round servo lead exit holes in the top of the wing Using a modeling knife cut away and remove the cove...

Страница 23: ...most hole in the throttle arm You may need to enlarge the hole in your engine s throttle arm using a 5 64 diameter drill bit Step 2 Installing the Adjustable Servo Connector Enlarge the third hole out from the center of the servo arm using a 5 64 drill bit Install the adjustable servo connector into the servo arm IMPORTANT When threading on the connector nut don t tighten the nut completely You do...

Страница 24: ...ver Adjustable Wrench Needle Nose Pliers Excel Modeling Knife Electric Drill YOU LL NEED THE FOLLOWING PARTS FROM THE KIT 2 21 1 2 Threaded Wires w 90º Bend 2 Nylon Control Horns Large 4 M2 x 17 Machine Screws SECTION 17 RUDDER CONTROL SYSTEM INSTALLATION 4 M2 Hex Nuts 2 Nylon Clevises 2 Nylon 90º Snap Keepers YOU LL NEED THE FOLLOWING TOOLS AND SUPPLIES 5 64 Drill Bit Ernst Airplane Stand Ruler P...

Страница 25: ...th the hinge line and the clevis attachment holes are over the hinge line Mark the positions of the four control horn mounting screws then remove the control horn and set it aside Drill the holes through the rudder for the mounting screws using a 5 64 diameter drill bit Install one control horn onto each side of the rudder using four M2 x 17 machine screws and four M2 hex nuts being careful not to...

Страница 26: ...ou just enlarged using the snap keeper provided When installing the snap keeper make sure it snaps firmly into place over the pushrod wire The pushrod wire should be on top of the servo arm as shown Partially thread one set screw into each of the two wheel collars then slide the wheel collars onto the elevator pushrod wire and up against the snap keeper Make a shallow bend 1 1 2 from the plain end...

Страница 27: ...so it will line up better with the pushrod wire and adjust the control horn so that the clevis attachment holes are directly over the hinge line Mark the positions of the control horn mounting screws then remove the control horn and set it aside Drill the holes through the elevator for the mounting screws using a 5 64 diameter drill bit Install the control horn and backplate using two M2 x 15 mach...

Страница 28: ...vo horn Enlarge the third hole out from the center of the servo arm using a 5 64 diameter drill bit Install the Z bend in one aileron pushrod wire into the enlarged hole in the servo arm Center the aileron servo and install the servo arm assembly making sure that the servo arm is centered and points toward the wing tip Install and tighten the servo arm retaining screw Use a couple of pieces of mas...

Страница 29: ...pushrod assembly on the opposite wing panel Remove the needle valve and muffler assembly from your engine Temporarily slide the cowling over the engine and onto the fuselage So that the cowling will slide into place you will need to cut away a portion of the cowling to clear the engine s cylinder head and carburetor Use a rotary tool with a cutting disc and a sanding drum to make the cutout Work s...

Страница 30: ...er assembly and fueling valve assembly IMPORTANT We strongly suggest cutting an air exit hole in the bottom of the cowling along with the opening needed to clear your muffler For proper engine cooling it s important to have about 30 percent more air exit area than air intake area After making the rest of the necessary cut outs install your fueling valve then slide the cowling partially into place ...

Страница 31: ...in foam rubber to protect them from vibration Use masking tape or rubber bands to hold the foam in place Do not wrap the foam rubber too tightly or the vibration dampening quality will be reduced After you ve found the final location of the receiver and battery mount them into the fuselage using your favorite method Strips of Velcro work well or sandwich them in place using a couple of scraps of b...

Страница 32: ...correct this move the battery pack and or receiver forward far enough to bring the airplane into balance When balanced correctly the airplane should sit level or slightly nose down when you lift it up with your fingers at the C G location Once you have flown and become familiar with the flight characteristics of the airplane the C G can be moved fore or aft within the C G range to change the fligh...

Страница 33: ...ible crash if you are not careful VERY IMPORTANT After you are finished adjusting the pushrods and control throws we strongly suggest cutting 1 4 lengths of the clear tubing provided and sliding one piece over each clevis The tubing will prevent the clevises from popping open during flight Once you re familiar with the flight characteristics of the airplane you might want to increase the control t...

Страница 34: ... normal flight and turn them on before flying 3D maneuverers Normal flying does not require this amount of control throw If you re going to be doing 3D flying we strongly suggest using the Aerobatic Flying control throws as your low rate control throws and using the 3D Aerobatic control throws as your high rate control throws Only switch to high rate control throws when preparing to do 3D Aerobati...

Страница 35: ...alance the propeller A propeller that is out of balance will cause excessive vibration which could lead to engine and or airframe failure and it will reduce engine efficiency and power The following are our general guidelines for your safety and the safety of others Please read and understand these safety guidelines before going out to the flying field for the first time Do not test fly your model...

Страница 36: ...ing of the Excite 90L ARF very smooth and predictable IN THE AIR In the air the Excite 90L ARF is as smooth and docile or as wild and aerobatic as you want it to be With the control throws set to the Test Flying settings the airplane is smooth throughout the entire flight envelope even while moving the control sticks to the corners Most flyers interested in sport flying will probably want to keep ...

Страница 37: ...Center of gravity is correct If B Add nose weight If C Remove nose weight or add tail weight Yaw Into the wind perform inside loops using only elevator Repeat test performing outside loops from an inverted entry A Wing is level throughout B Airplane yaws to right in both inside and outside loops C Airplane yaws to left in both inside and outside loops D Airplane yaws to the right in inside loops a...

Страница 38: ...38 Visit our website at http modeltech globalhobby com or for Customer Service at http globalservices globalhobby com ...

Страница 39: ...r Service Department to resolve the problem Yes No 7 Was any of the assembly difficult for you If yes please explain Yes No ____________________________________ ____________________________________ ____________________________________ ____________________________________ 8 What did you like most about this kit Assembly Manual Parts Fit Hardware Supplied Price Other ________________________________...

Страница 40: ...y com Fold along dotted line Fold along dotted line Global Hobby Distributors Attn Global Services 18480 Bandilier Circle Fountain Valley CA 92728 8610 Post Office will not deliver without proper postage _____________________________ _____________________________ _____________________________ Return Address Here ...

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