Hangar 9 HAN5280 Manuale del proprietario

Carbon Cub FX-3

Instruction Manual

Bedienungsanleitung

Manuel d’utilisation

Manuale di Istruzioni

2EN

NOTICE

All instructions, warranties and other collateral documents are subject to change at the sole discretion of Horizon

Hobby, LLC. For up-to-date product literature, visit horizonhobby.com or www.towerhobbies.com and click on the

support or resources tab for this product.

Age Recommendation: Not For Children Under 14 Years. This Is Not A Toy.

SAFETY WARNINGS AND PRECAUTIONS

Read and follow all instructions and safety precautions before use. Improper use can result in ﬁ re, serious injury and

damage to property.

Components

Use only with compatible components. Should any compatibility questions exist, please refer to the product

instructions, component instructions or contact the appropriate Horizon Hobby ofﬁ ce.

Flight

Fly only in open areas to ensure safety. It is recommended ﬂ ying be done at radio control ﬂ ying ﬁ elds. Consult local

ordinances before choosing a ﬂ ying location.

Propeller

Always keep loose items that can become entangled in the propeller away from the prop. This includes loose clothing

or other objects such as pencils and screwdrivers. Keep your hands away from the propeller as injury can occur.

Batteries

Always follow the manufacturer’s instructions when using and disposing of any batteries. Mishandling of Li-Po

batteries can result in ﬁ re causing serious injury and damage.

Small Parts

This kit includes small parts and should not be left unattended near children as choking and serious injury could result.

MEANING OF SPECIAL LANGUAGE

The following terms are used throughout the product literature to indicate various levels of potential harm when

operating this product:

WARNING: Procedures, which if not properly followed, create the probability of property damage, collateral damage,

and serious injury OR create a high probability of superﬁ cial injury.

CAUTION: Procedures, which if not properly followed, create the probability of physical property damage AND a

possibility of serious injury.

NOTICE: Procedures, which if not properly followed, create a possibility of physical property damage AND a little or

no possibility of injury.

WARNING: Read the ENTIRE instruction manual to become familiar with the features of the product before

operating. Failure to operate the product correctly can result in damage to the product, personal property and

cause serious injury.

This is a sophisticated hobby product. It must be operated with caution and common sense and requires some basic

mechanical ability. Failure to operate this Product in a safe and responsible manner could result in injury or damage

to the product or other property. This product is not intended for use by children without direct adult supervision. Do

not attempt disassembly, use with incompatible components or augment product in any way without the approval

of Horizon Hobby, LLC. This manual contains instructions for safety, operation and maintenance. It is essential to

read and follow all the instructions and warnings in the manual, prior to assembly, setup or use, in order to operate

correctly and avoid damage or serious injury.

SAFE OPERATING RECOMMENDATIONS

• Inspect your model before every ﬂ ight to ensure it is airworthy.

• Be aware of any other radio frequency user who may present an interference problem.

• Always be courteous and respectful of other users in your selected ﬂ ight area.

• Choose an area clear of obstacles and large enough to safely accomodate your ﬂ ying activity.

• Make sure this area is clear of friends and spectators prior to launching your aircraft.

• Be aware of other activities in the vicinity of your ﬂ ight path that could cause potential conﬂ ict.

• Carefully plan your ﬂ ight path prior to launch.

• Abide by any and all established AMA National Model Aircraft Safety Code.

BEFORE STARTING ASSEMBLY

• Remove parts from bag.

• Inspect fuselage, wing panels, rudder and stabilizer for damage.

• If you ﬁ nd damaged or missing parts, contact your place of purchase.

• Charge transmitter and receiver batteries.

• Center trims and sticks on your transmitter.

• For a computer radio, create a model memory for this particular model.

• Bind your transmitter and receiver, using your radio system’s instructions.

NOTICE: Rebind the radio system once all control throws are set. This will keep the servos from moving to their

endpoints until the transmitter and receiver connect. It will also guarantee the servo reversal settings are saved in the

radio system.

FAA INFORMATION

If you own this product, you may be required to register with the FAA.

For up-to-date information on how to register with the FAA, please visit https://registermyuas.faa.gov/.

For additional assistance on regulations and guidance on UAS usage, visit knowbeforeyouﬂ y.org/.

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Carbon Cub FX-3

Part # Description

HAN528001 Fuselage

HAN528002 Wing, Left-Hand

HAN528003 Wing, Right-Hand

HAN528004 Light Covers

HAN528005 Fin and Rudder

HAN528006 Cowling

HAN528007 Hardware Set

HAN528008 Wooden Parts

HAN528009 Wing Struts

HAN528010 Pushrod Set

HAN528011 Side Windows

HAN528012 Windshield

HAN528013 Light Set

HAN528014 Tow Release

HAN528015 Tail Wheel

HAN528016 Wheels, 8.5 inches (261mm)

HAN528017 Fuel Tank

HAN528018 Wing Tube

HAN528019 Tail Tubes

HAN528020 Wing Bags

HAN528021 Decal Sheet

HAN528022 Strut Covers

HAN528023 Scale Parts

HAN528024 Fuel Caps

HAN528025 Tail Brace

HAN528026 Landing Gear Dampers

HAN528027 Landing Gear

HAN528028 Stabilizer and Elevator Set, Left and Right

REPLACEMENT PARTS

TABLE OF CONTENTS

Notice ......................................................................................................................................................................2

Meaning of Special Language ..................................................................................................................................2

Safety Warnings and Precautions .............................................................................................................................2

Safe Operating Recommendations ...........................................................................................................................2

Before Starting Assembly .........................................................................................................................................2

FAA Information .......................................................................................................................................................2

Replacement Parts ...................................................................................................................................................3

Required Adhesives .................................................................................................................................................3

Required for Completion ..........................................................................................................................................4

Optional Parts ..........................................................................................................................................................4

Tools Required .........................................................................................................................................................4

Removing Wrinkles ..................................................................................................................................................5

Building Precautions ................................................................................................................................................5

Transportation and Storage ......................................................................................................................................5

Replacement Covering .............................................................................................................................................5

Checking Blind Nuts.................................................................................................................................................5

Balancing Your Model...............................................................................................................................................5

OPTIONAL SCALE ACCESSORIES ..............................................................................................................................5

FOR THE VISUALLY CHALLENGED .............................................................................................................................5

Control Horn Installation ...........................................................................................................................................5

Aileron and Flap Servo Installation ...........................................................................................................................6

Aileron Linkage Installation ......................................................................................................................................8

Flap Linkage Installation ..........................................................................................................................................8

Elevator Servo Installation ........................................................................................................................................9

Hinging the Elevators .............................................................................................................................................10

Elevator and Stabilizer Installation ..........................................................................................................................11

Fin Installation .......................................................................................................................................................12

Rudder Installation .................................................................................................................................................13

Rudder Servo Installation .......................................................................................................................................14

Tail Wheel Installation ............................................................................................................................................16

Tail Bracing Installation ..........................................................................................................................................17

Receiver Installation ...............................................................................................................................................18

Landing Gear Installation .......................................................................................................................................19

Engine Installation .................................................................................................................................................20

Fuel Tank Installation .............................................................................................................................................21

Interior Accessories ...............................................................................................................................................23

Tow Hook Installation .............................................................................................................................................24

Window Installation................................................................................................................................................24

Cowling Installation................................................................................................................................................25

Wing Lighting ........................................................................................................................................................27

Wing and Wing Strut Installation ............................................................................................................................27

Decal Installation ...................................................................................................................................................29

Center of Gravity ....................................................................................................................................................29

Control Throws ......................................................................................................................................................30

Mixing ...................................................................................................................................................................30

Preﬂ ight Checklist ..................................................................................................................................................30

Daily Flight Checks ................................................................................................................................................30

Limited Warranty ...................................................................................................................................................31

Warranty and Service Contact Information .............................................................................................................32

Instructions for Disposal of WEEE by Users in the European Union ..........................................................................32

Academy of Model Aeronautics National Model Aircraft Safety Code ..............................................................

.........32

REQUIRED ADHESIVES

Description

15-minute epoxy

30-minute epoxy

Canopy Glue

Thin CA

Medium CA

Threadlock, low and high strength

4EN

REQUIRED FOR COMPLETION

# Required Part # Description

1 DLEG0130 DLE-130cc Twin Gas Engine with EIectronic Ignition

1 DLEG0170 DLE-170cc Twin Gas Engine with EIectronic Ignition

1 EVOA112 Evolution 3 Wire Ignition/Receiver Switch

1 HAN116 Fuel Filler with "T" and Overﬂ ow Fittings

2 SPMA3003 Heavy-Duty Servo Extension 12-inch

2 SPMA3004 Heavy-Duty Servo Extension 18-inch

4 SPMA3005 Heavy-Duty Servo Extension 24-inch

2 SPMA3006 Heavy-Duty Servo Extension 36-inch

2 SPMA3007 Heavy-Duty Servo Extension 48-inch

1 SPMAR12310T AR12310T 12CH PowerSafe Telemetry RX

2 SPMEXEC324 24-Inch EC3 Extension with 16AWG

7 SPMSA6310 A6310 U-T/H-S Brushless HV Servo

1 SPMSA6380 A6380 H-T/H-S Digital HV Servo

6 SPMSP3101 Aluminum 1/2 Servo Arm, 1.5-inch

1 SPMSP3103 Aluminum Double Servo Arm, 2.5-inch

3 SPMX40002SRX 4000mAh 2S 7.4V Smart Receiver Battery; IC3

# Required Part # Description

1 EVOA100 Optical Ignition Kill Switch

1 SPMAS3000 AS3000 AS3X Stabilization Module

1 SPMX13003S30M 1300mAh 3S 11.1V Smart 30C LiPo; IC3

1 SPMXCA305 Connector: IC3 Device/Wire 4-inch

TOOLS REQUIRED

Description

Adjustable wrench

Balancing stand

Box Wrench Set

Clamps

Crimping tool

Drill and tap set, metric

Drill bit set, Imperial or Metric

Epoxy brushes

Felt-tipped pen

Hemostats

Hex wrench set, Imperial and Metric

Hobby knife with #11 blade

Hobby scissors

Hook and loop straps

Hook and loop tape

Isopropyl alcohol

Light machine oil

Low-tack tape

Mixing sticks

Needle nose pliers

Nut driver set, Imperial and Metric

Paper towels

Pencil

Petroleum jelly

Phillips screwdriver: #1, #2

Pin vise

Rotary tool

Ruler

Sanding bar

Sanding drum for rotary tool

Sandpaper

Scissors

Side cutters

Square

Tap handle

Tapered reamer

Tie wraps

Toothpicks

Wire stripper

OPTIONAL PARTS

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Carbon Cub FX-3

REMOVING WRINKLES

The covering of your model may develop wrinkles during shipping. Use a covering iron (HAN101) with a sealing iron

sock (HAN141) to remove them. Start with a lower heat setting and use caution while working around areas where the

colors overlap to prevent separating the colors. It is also advised to use caution around the clear windows and wing

tips as these items are plastic and could distort with excessive heat. Avoid using too much heat, which could also

separate the colors. Placing a cool damp cloth on adjacent colors will also help prevent the separation of the colors

while removing wrinkles. Only use a heat gun (HAN100) once the covering iron has been used.

BUILDING PRECAUTIONS

Prepare the work surface prior to beginning the build. The surface should be soft and free of any sharp objects. We

recommend resting the airframe parts on a soft towel or pit mat to prevent scratching or denting the surface of the

aircraft.

TRANSPORTATION AND STORAGE

When transporting and storing your model, you will need a minimum of 115 inches (3m) in length, and 32 inches

(82cm) in height to accommodate the size of the fuselage. We also recommend the use of wing and stabilizer bags to

help protect these surfaces during transport and storage. The control horns and linkages can cause damage to other

surfaces even when placed in storage bags. Always transport and store the wings and stabilizer so the linkages do not

contact other panels to prevent damage.

REPLACEMENT COVERING

Your model is covered with UltraCote® ﬁ lm in the following colors. If repairs are required, order these coverings to

make those repairs.

HANU866 True Red

HANU870 White

HANU885 Midnight Blue

CHECKING BLIND NUTS

When building the aircraft, you will be required to thread machine screws into blind nuts. We recommend pre-threading

the screws to make sure the blind nuts are clear of any debris. If the screws do not thread in easily, clear the threads

using the appropriate tap and tap handle.

BALANCING YOUR MODEL

Due to the short nose and long tail of the Carbon Cub FX-3, it is not uncommon for them to require nose weight in

order to achieve the correct balance to suit some ﬂ ying styles. For a soft and sedate “feel” it may be necessary to add

between 2–4 lbs (0.91–1.8 kg) to the front of the aircraft.

OPTIONAL SCALE ACCESSORIES

We have worked with various vendors to develop scale details speciﬁ cally for this model.

Pilots:

www.warbirdpilots.com

FOR THE VISUALLY CHALLENGED

A copy of this manual can be found at www.horizonhobby.com under the tab for this particular model. Feel free to

download this manual and use a PDF viewer to zoom in on any text or images that may be in question when building

from the printed manual.

CONTROL HORN INSTALLATION

1. Use a rotary tool and sanding drum to lightly sand the

unpainted section of each control horn.

2. Test ﬁ t the control horn in the control surface. Trim the

opening of the control horn does not ﬁ t fully into the control

surface.

3. Repeat the process for both of the slots in the control surface.

4. Thread an M3 x 15 socket head cap screw through the

control horn. Slide a ball link on the screw, then place a

second control horn on the screw. Secure the assembly using

an M3 locknut. Leave the screw slightly loose so the control

horns can move easily.

5. Place low-tack tape around the slots of the control surface.

This will help in preventing epoxy from getting on the control

surface.

6EN

6. Apply epoxy to the unpainted area of the control horn. Make

sure to apply epoxy to the areas between the control horns.

7. Also apply epoxy to the remaining surfaces. A good bond

between the control horn and control surface is essential.

8. Place epoxy in the both slots in the control surface.

9. Insert the control horns in the control surface. Remove any

excess epoxy using a paper towel and isopropyl alcohol.

10. Before the epoxy cures, carefully remove the tape from the

control surface. Any uncured epoxy will create a ﬁ llet between

the control horn and control surface.

 Install the control horns for the elevators,

flaps and ailerons at this time.

AILERON AND FLAP SERVO INSTALLATION

11. Remove the tape and aileron servo cover from the wing.

Make sure to re-tape the string to the wing so it can be used

to pull the extensions through the wing later.

12. Check that the servo cover and mount are glued securely. If

not, use medium CA to glue the pieces together.

13. Clear any glue or debris from the holes in the servo mount

using a drill and 5/64-inch (2mm) drill bit.

14. Thread a servo mounting screw into each of the holes to cut

threads in the surrounding wood.

15. Remove the screws, then apply a few drops of thin CA in each

hole to harden the wood.

 Allow the CA to fully cure without using an accelerant.

The CA must be allowed to soak into the wood naturally.

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Carbon Cub FX-3

16. Place the servo into position. The output of the servo will be

centered in the slot in the servo cover.

21. Use the string to pull the extension through the wing to the

wing root.

 Use a helper to assist in guiding the extension

through the wing will make this task easier.

17. Secure the servo to the mount using the servo mounting

screws.

22. Slide an M3 washer on an M3 x 10 button head cap screw.

Use a toothpick to place a drop of canopy glue on the end of

the threads of the screw. Prepare four screws at this time.

 Using canopy glue instead of thread lock will

allow easier removal of the screws if a servo

must be accessed at a later date.

18. Center the servo using the radio system. Secure the servo

arm to the servo perpendicular to the servo center line.

23. Use the screws to secure the servo cover in the wing. Make

sure not to cross-thread the screws in the pre-installed blind

nuts.

 See note on Page 5 about checking blind nuts.

19. Secure a 36 inch (915mm) servo extension to the servo lead

using a commercially available clip.

24. Repeat the previous steps to install the ﬂ ap servo.

20. Tie the string in the wing around the end of the servo

extension.

25. Use the string to pull the lead for the ﬂ ap servo through the

wing. Mark the leads so they can be identiﬁ ed easily.

 Install the remaining flap and aileron servos.

8EN

AILERON LINKAGE INSTALLATION

26. Remove the ball end from the aileron control horn. Assemble

the aileron link using two ball ends and a 116mm threaded

rod. Adjust the length of the rod to approximately 140mm.

31. With radio system on and the ﬂ ap servo centered (in the mid-

ﬂ ap position), adjust the rod to set the ﬂ ap in the mid-ﬂ ap

setting(1

9

/

16

inches (40mm)).

28. Attach the opposite ball end to the servo arm using an M3 x

12 socket head cap screw, M3 washer and M3 lock nut. With

radio system on and the aileron servo centered, adjust the rod

to center the aileron servo

 Install the remaining aileron linkage.

27. Attach one ball end to the aileron control horn. Use two

washers, the M3 x 15 socket head cap screw and M3 locknut.

 Do not over-tighten the hardware and

damage the control horn or ball end.

32. Use the radio to set the ﬂ ap servo to the full ﬂ ap setting (3

1

/

8

inches (80mm)). Adjust the throw at the radio as necessary to

achieve the full ﬂ ap position.

FLAP LINKAGE INSTALLATION

29. Remove the ball end from the ﬂ ap control horn. Assemble

the ﬂ ap link using two ball ends and a 116mm threaded rod.

Adjust the length of the rod to approximately 150mm.

30. Attach one ball end to the aileron control horn. Use two

washers, the M3 x 15 socket head cap screw and M3 locknut.

Attach the opposite ball end to the servo arm using an M3 x

12 socket head cap screw, M3 washer and M3 lock nut.

 Do not over-tighten the hardware and

damage the control horn or ball end.

33. Use the radio to set the ﬂ ap servo to the up ﬂ ap setting.

Adjust the throw at the radio as necessary to achieve the up

ﬂ ap position.

 Install the remaining flap linkage.

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Carbon Cub FX-3

ELEVATOR SERVO INSTALLATION

34. Remove the tape, then radio cover, from the bottom of the

fuselage.

35. Remove the tape and elevator servo cover from the fuselage.

Make sure to re-tape the string to the fuselage so it can be

used to pull the extensions through the fuselage later.

36. Secure the elevator servo to the cover, Details are outlined

in the installation of the aileron servos. Secure a 36 inch

(915mm) extension to the servo lead. Install the servo arm

perpendicular to the servo center line.

37. Use the string in the fuselage to pull the elevator servo

extension through the fuselage.

 Use a helper to assist in guiding the extension

through the fuselage to avoid excessive pulling and

possibly separating the string and extension.

38. Secure the elevator servo cover to the fuselage using four M3

x 10 button head screws and four M3 washers. Make sure

to place a drop of canopy glue on each screw prior to their

installation.

39. Repeat the previous steps to install the remaining elevator

servo.

10EN

HINGING THE ELEVATORS

 Do not mix any epoxy until instructed to do so.

40. Separate the elevator and stabilizer. Remove the hinges.

41. Apply a small amount of oil to the ﬂ ex point of the hinge to

prevent epoxy from entering the hinge.

42. Insert the hinge so the center of the hinge pin aligns with the

front edge of the bevel on the control surface. Check that the

hinge can move freely.

43. Position the hinge so it is perpendicular to the hinge line

when fully deﬂ ected.

44. Mix 1/2 ounces (15mL) of 30-minute epoxy. Remove the

hinges, then use a toothpick to apply epoxy inside each of the

holes for the hinges.

45. Apply epoxy to the outside of the hinge using a toothpick

46. Insert the hinges into the control surface. Verify the hinge

position is correct. Use a paper towel and isopropyl alcohol to

remove any excess epoxy.

47. Install all the hinges in the elevator. Allow the epoxy to fully

cure before proceeding.

 The hinges in the remaining elevator can be installed

while the first set of hinges and epoxy cures.

 Avoid holding the glued surfaces vertically as the epoxy may

run into the structure and settle on the inside surface of the

covering, which over time becomes visible from the outside.

48. Mix 1/2 ounces (15mL) of 30-minute epoxy. Use a toothpick

to apply epoxy inside each of the holes for the hinges.

49. Apply epoxy to the outside of the hinge using a toothpick

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Carbon Cub FX-3

50. Fit the elevator to the stabilizer. Check that the elevator can

move freely, and the hinges are all aligned properly. Use a

paper towel and isopropyl alcohol to remove any excess

epoxy.

51. Use low-tack tape to hold the two surfaces in position until

the epoxy fully cures.

 The remaining elevator and stabilizer can be joined using

the hinges while the first set of hinges and epoxy cures.

ELEVATOR AND STABILIZER INSTALLATION

52. Slide the stabilizer tubes into the stabilizer tube sockets.

The shorter tube is installed toward the leading edge of the

stabilizer.

 The tubes may be a tight fit in the sockets. Polishing

the tubes with fine sand paper or steel wool

will help ease the installation of the tubes.

53. Slide the stabilizer into position on the fuselage.

54. Slide the stabilizer tight against the fuselage. Secure the

stabilizer to the fuselage using two M3 x 10 button head

screws and two M3 washers. Place a drop of canopy glue on

each screw before their installation.

55. Remove the ball end from the elevator control horn. Assemble

the elevator link using two ball ends and a 75mm threaded

rod. Adjust the length of the rod to approximately 100mm.

56. Attach on ball end to the servo arm using an M3 x 12 socket

head cap screw, M3 washer and M3 lock nut. Tighten the

screw in the servo arm, then hold the screw secure while

installing the lock nut.

12EN

90˚

57. Attach the remaining ball end to the elevator control horn. Use

two M3 washers, the M3 x 15 socket head cap screw and an

M3 locknut. With the radio system on and the elevator servo

centered, adjust the linkage to center the elevator.

58. Repeat the previous steps to install the remaining stabilizer to

the fuselage and the elevator linkage.

FIN INSTALLATION

59. Fit the ﬁ n into position. Check that the ﬁ n is 90 degrees to the

stabilizer. Lightly sand the slot in the fuselage to correct for

any alignment issues.

60. Align the trailing edge of the ﬁ n with the fuselage. Use a felt-

tipped pen to transfer the outline of the fuselage on the ﬁ n.

61. Remove the ﬁ n from the fuselage. Use a felt-tipped pen to

draw a second line 1/8 inch (3mm) below the line drawn in

the previous step.

62. Use a ruler and carefully cut the covering on the lower line to

remove the covering.

 Use care not to cut into the underlying wood, weakening

the fin. Use a covering iron to seal the covering to the

underlying structure before trimming the covering.

63. Remove the covering from both sides of the ﬁ n. Remove any

lines using a paper towel and isopropyl alcohol.

13 EN

Carbon Cub FX-3

90˚

64. Mix 20g of 30-minute epoxy. Use an epoxy brush to apply

epoxy in the slot in the fuselage.

65. Use an epoxy brush to apply epoxy to the exposed wood on

the bottom of the ﬁ n.

66. Fit the ﬁ n back into position. Remove any excess epoxy using

a paper towel and isopropyl alcohol. Check that the ﬁ n does

not move while the epoxy cures.

RUDDER INSTALLATION

67. Check the ﬁ t of the rudder control horn in the slot in the

rudder.

68. View the rudder from the bottom. Make sure the control

horn is properly centered in the rudder. Check the ﬁ t of both

control horns.

69. Remove the control horns and secure a ball end between the

control horns using an M3 x 15 socket head cap screw and

M3 lock nut. Leave the hardware slightly loose so the horns

can be manipulated during their installation.

70. Slide the control horns in the rudder. Apply epoxy to all the

points where the control horn will contact the wood of the

rudder. Slide the control horns into position and remove any

excess epoxy using a paper towel and isopropyl alcohol.

71. Install the hinges in the rudder following the steps outlined in

the elevator hinging section.

 There are two holes near the bottom of the rudder. The

lower hole is for the hinge, and one slightly above it is

for the position light lead. The string for the position light

lead will be in the correct location from the factory.

14EN

72. Tape the string in the rudder to the lead for the position light.

 Make sure the string is securely attached to

the lead as it will take a fair amount of force

to pull the lead through the rudder.

73. Use the string to pull the wire through the rudder.

75. Guide the lead for the position light into the fuselage. Route

the lead through the same tube as the elevator servo leads.

 Remove one elevator servo and cover from the fuselage

to access the tube to install the position light lead.

 There are two holes at the bottom of the fuselage.

The lower hole is for the hinge, and one slightly

above it is for the position light lead.

RUDDER SERVO INSTALLATION

77. Thread a ball end eight turns on each of the four cable

ﬁ ttings.

78. Attach a ball link to the rudder control horn using two M3 x

15 socket head cap screws, two M3 washers and an M3 lock

nut. Install ball ends on both sides of the control horn.

 Do not over-tighten the hardware and

damage the control horn or ball end.

79. Secure the rudder servo in the fuselage with the output of the

servo facing the front of the fuselage. Make sure to prepare

the servo mounting screws holes before installing the servo.

 The elevator and position light leads have been

routed under the radio tray so they do not interfere

with the operation of the rudder cables.

76. Glue the hinges securing the rudder to the ﬁ n.

74. Use a small amount of epoxy of contact adhesive to glue the

position light in the rudder.

 Use care when transporting your model as

not to damage the position light.

80. Attach two of the ball ends to the rudder servo arm using

two M3 x 15 socket head cap screws, two M3 lock nuts and

two M3 washers. Tighten the hardware using a 2.5mm hex

wrench and 5.5mm nut driver.

81. Slide a sleeve on one of the cables.

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Carbon Cub FX-3

82. Pass the cable through the hole in the cable ﬁ tting.

83. Slide the cable back through the sleeve.

84. Use crimping pliers to secure the sleeve to the cable.

85. Attach both rudder cables to the ﬁ ttings.

87. Slide a sleeve on the cable, slide the cable through the ﬁ tting,

then back through the sleeve. Lightly tension the cables, then

use crimping pliers to secure the sleeve to the cables. Use

side cutters to remove any excess cable.

 The rudder cables may stretch slightly over

time. Periodically check the cables to make

sure there is still light tension on them.

86. Attach the rudder servo arm to the rudder servo using the

hardware included with the servo. Slide the cables into the

tubes in the fuselage. The radio system should be on and the

rudder servo centered for the following steps.

 Install both sides of the cable at the same time.

This will result in equal tension on both cables.

16EN

TAIL WHEEL INSTALLATION

88. Use a drill and 5/64-inch (2mm) drill bit to drill the ﬁ rst

location for the tiller arm mounting screws.

89. Temporarily attach the tiller arm to the bottom of the rudder

with a M3 x 15 sheet metal screw. Use the tiller arm to drill

for the remaining tiller arm mount screw.

90. Remove the tiller arm from the rudder. Prepare the holes in

the bottom of the rudder by hardening the surrounding wood

with thin CA. The tiller arm can then be installed using two

M3 x 15 sheet metal screws.

91. Use the hardware included with the tail wheel to secure the

wheel in the fork. The brass spacers are located on either

side of the wheel when placed in the fork. Secure the wheel

using the M4 locknut. Use a 3mm hex wrench and 7mm nut

driver to tighten the hardware. Make sure not to over-tighten

the hardware, preventing the wheel from rotating.

92. Carefully remove the M3 nuts from the tail wheel leaf springs.

Apply a drop of thread lock on each screw. Attach the leaf

springs to the fuselage using the screws in the leaf springs.

Make sure to install the tail bracing ﬁ tting under the forward

hole in the leaf springs.

93. Attach the springs to connect the tiller arm to the tail wheel

steering arm.

17 EN

Carbon Cub FX-3

TAIL BRACING INSTALLATION

94. Slide an M3 washer, then the pre-bent aluminum cable tab on

an M3 x 25 machine screw. Slide the screw through the hole

in the top side of the stabilizer.

95. Slide a second tab on the screw from the bottom of the

stabilizer. Secure the tabs using an M3 lock nut.

 Install tabs on the left and right of the

stabilizer, and near the top of the fin.

 Do not overtighten the hardware and compress

the wood structure of the stabilizer or fin.

96. Thread an M3 nut on the 300mm tail bracing rod. Place a

silicone retainer on the clevis, then thread the clevis on the

rod so the end of the rod is barely visible between the forks of

the clevis. Prepare both ends of the two 300mm and 390mm

tail bracing rods.

97. Attach the clevis from the shorter 300mm tail bracing rod to

the ﬁ tting at the tail wheel. Slide the silicone retainer over the

forks of the clevis.

99. Check that the tail bracing rod is positioned equally in both

clevises. Repeat the previous steps for the remaining 300mm

tail bracing rod on the opposite side of the stabilizer.

100. The upper 390mm tail bracing rods can be installed between

the top of the stabilizer and either side of the ﬁ n.

98. Adjust the clevises so the opposite end can be attached to the

ﬁ tting on the bottom of the stabilizer.

101. Check that the tail bracing does not cause any misalignment

of the stabilizer and ﬁ n. Once set, tighten the nuts against

the clevises. Make sure to use a drop of thread lock on the

threads where the nut is positioned to prevent them from

vibrating loose.

 The support wires do not need to be tight

to function properly. Adjust evenly so as

to avoid distorting the tail group.

18EN

RECEIVER INSTALLATION

102. Remove the screws holding the cockpit ﬂ oor inside the

fuselage.

103. Mount the receiver securely in the fuselage.

 The battery packs will be located next to the

fuel tank to correctly balance your model.

104. Secure the remote receivers in the fuselage. Use the

instructions provided with the receiver as a guide in their

location

105. Connect the leads for the ﬂ aps and ailerons to the receiver.

Route the leads for the ailerons, ﬂ aps and position light

through the hole in the cockpit ﬂ oor. The aileron and ﬂ ap

leads can be routed out the sides of the fuselage. Secure all

leads inside the fuselage.

19 EN

Carbon Cub FX-3

LANDING GEAR INSTALLATION

106. Attach the landing gear mounts to the fuselage using two

M4 x 20 socket head cap screws for each landing gear

mount. Place a drop of thread lock on each screw before their

installation. Attach all four mounts.

107. Attach the landing gear to the mount using two M3 x 15

socket head cap screws, four M3 washers and an M3 locknut.

108. Repeat the previous step for the remaining landing gear.

109. Attach the shock support brace to the landing gear mounts

using two M3 x 15 socket head cap screws, four M3 washers

and two M3 lock nuts.

111. Attach the shocks to the landing gear using two M3 x 25

socket head cap screws, four M3 washers and two M3 lock

nuts.

112. Use a ﬁ le to make two ﬂ at areas that are 1 inch (25mm) in

length on the end of the axle. Make sure the ﬂ at areas are

opposite each other.

113. Apply a drop of light machine oil on the axle. Slide the axle

into the wheel.

114. Slide the axle into the landing gear. Secure the axle by

tightening an M3 x 3 setscrew on each of the ﬂ at areas. Make

sure the wheel can spin freely when installed. Repeat the

previous steps for the remaining wheel.

110. Attach the shocks to the shock support brace using two M3

x 15 socket head cap screws, four M3 washers and two M3

lock nuts.

 The shocks will not be able to be compressed by

hand. If so, the the spring rate and tension strength

of the shock would be too weak to support the

landing loads of a model of this size and weight.

20EN

ENGINE INSTALLATION

 To increase the strength of the engine mounting areas

and to stop possible compression of the wooden firewall.

There are two fiberglass plates fitted (front and rear) of

the firewall. Be aware of this when drilling for the engine

mount. Also be aware that blind nuts cannot be used to

attach the engine, as they might be on a smaller aircraft.

115. Place the mounting template on the ﬁ rewall. Use a drill

and 3/32-inch (2.5mm) drill bit to drill the four holes in the

ﬁ rewall.

 When using power systems other than the recommended

choices, we advise using the mounting template as a test

to ensure hole alignment before drilling the firewall.

119. Attach the mufﬂ er on the carburetor linkage side. Assemble

the linkage to operate the carburetor. Install the throttle servo

in the servo mount and position the mount so the linkage will

clear the mufﬂ er. Make sure to mark the location of the mount

on the engine box.

116. Remove the template from the fuselage. Use a drill and 1/4-

inch (6mm) drill bit to enlarge the holes from the previous

step.

117. Attach the engine to the fuselage using four M6 x 75 socket

head cap screws, four spacers and four M6 nuts. Make

sure to use thread lock on the screws to prevent them from

vibrating loose.

118. Use the appropriate screws and spacers to achieve a spacing

of 213mm between the ﬁ rewall and face of the drive washer.

 The engine to driver washer measurement

can be between 207mm and 219 mm.

120. Remove the servo from the servo mount, and the mufﬂ er from

the engine. Use 30-minute epoxy to glue the servo mount to

the engine box. Make sure the servo mount does not move

while the epoxy cures.

 The cover can also removed for the installation of

internal canister type mufflers. If stock mufflers

are fitted the cover can either be left on or off.

121. Once the epoxy cures, install the throttle servo and linkage. A

choke servo can also be mounted in the servo mount. Check

the operation of the servos using the radio system.

 The choke access can be accessed by fitting a

hand through the front cowling intake hole. Be sure

to check if your hand is small enough to fit into

the cowling before committing to this option.

122. Remove the cover behind the throttle servos and set the

screws aside.

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Hangar 9 HAN5280 Manuale del proprietario

Hangar 9 HAN5280 Manuale del proprietario

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