JuniAer A-29 Super Tucano 85cc Installation guide

A-29 Super Tucano 85cc 1.0 2022
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An innovative original project to impress in the 85cc scale category!
High level of detail with amazing flight characteristics in docility and realism that draw
attention on any airfield. The current EDA (Smoke Squadron) plane in 23.3% scale highly
acrobatic as a model aircraft.

A-29 Super Tucano 85cc 1.0 2022
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Assembly instructions manual and guideline
A-29 Super Tucano 85cc
Index
Presentation.................................................................................
3
Important warnings......................................................................
3
Disclaimer.....................................................................................
5
Kit contents...................................................................................
5
Specifications................................................................................
7
Fuselage junction..........................................................................
7
Gas burning engine installation....................................................
8
Electric motor installation............................................................
11
Cowling installation......................................................................
12
JC Super Props..............................................................................
14
Fuel tank installation....................................................................
16
Li-Po batteries for electric motors................................................
Servos, linkage, hard points and commands................................
17
Heavy duty double horn set.........................................................
19
Important linkage warnings..........................................................
20
Ailerons and flaps.........................................................................
21
Elevators.......................................................................................
24
Rudder..........................................................................................
27
Retracts installation......................................................................
30
Scale/competition electric retracts..............................................
31
Electric retracts with eletromagnetic brakes................................
33
Landing gear doors installation.....................................................
36
Main landing gear doors...............................................................
37
Front landing gear door................................................................
38
C.G. (Center of Gravity) ................................................................
39
LR Ideas scale lighting system.......................................................
40
Scale lighting system and wing´s clear parts installation..............
41
Fuselage on-board equipment......................................................
44
Fuselage side doors......................................................................
45
Fuselage winglets gluing...............................................................
47
Antennas gluing............................................................................
47
Machine gun replicas installation (optional).................................
49
Cockpit and canopy installation....................................................
50
Flábio Cockpits scale cockpit.........................................................
50
Pitot tubes replicas.......................................................................
54
Juniaer´s transport and protection covers....................................
55
Trophies on competitions.............................................................
56
Monte Santo de Minas, 2022. Juniaer Modelismo. Registered trade mark. All rights reserved. V 1.0

A-29 Super Tucano 85cc 1.0 2022
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This is the A-29 Super Tucano 85cc ARF Juniaer, retracts installation ready, with flaps, with artistic finishing
and several painting schemes available, very realistic and all detaiLED, with rivets, antennas, side door with
hinge and lock instalLED, panel divisions, compartments, pitot tubes replicas, landing gear doors, cockpit with
panels and clear canopy. Engine cowling in 2 parts with exhausts replicas. Made of high-quality epoxy resin with
structural reinforcements, low weight and high resistance due to the FULL COMPOSITE high technology vacuum
lamination technique. Carbon fiber tubes on wing and stabilizer. Laminated in fiberglass and epoxy resin with
carbon fiber reinforcements with laser cut plywood and balsa structures. Clear canopy, resin canopy frame,
resin cockpit with panels. Factory hinged ailerons, flaps and elevators in perfect alignment. Rudder to be
instalLED with carbon fiber hinges and steel rod supplied with the kit. Tank tray in laser cut plywood. Artistic
finishing made in automotive paint, vinyl, decals and varnished for great durability. Very stable, realistic and
acrobatic flight pattern. Capable of many scale maneuvers such as rolls, slow rolls, Cuban eight, knife edge flight,
inverted flight and more. This model was developed and built to provide high performance both in terms of
flight and in terms of realism and details richness. It´s construction is made with specific materials of high quality
and advanced techniques of composite lamination to offer low weight and high structural strength.
The Juniaer model airplanes are painted and varnished with high quality and resistance products. Even so,
some care must be taken to protect the paint: wipe your model with a cloth immediately after use with water
sprays and neutral detergent. Fuels can damage the varnish if it penetrates punctures or damages to the plane's
surface, as well as cuts in the engine's cowling. To prevent this kind of problem, we recommend brushing two-
component PU varnish or applying epoxy to areas that are uncovered for any reason. Avoid exposing the model
to direct sunlight as much as possible, especially the darker painted parts that accumulate and reflect a greater
amount of heat, causing an internal and external temperature raising. The use of automotive wax for polishing
is useful in preventing the accumulation of dirt and facilitates the cleaning and protection of the varnish. We
suggest the use of fabric smooth covers for storage and transport, in order to protect against damage and risks.
Be careful when handling your model airplane, especially the movable control surfaces. Never lift it by the two
wing tips only, as the total weight is considerable to be supported only by 2 distant points. When checking the
model airplane´s balance through the center of gravity (C.G.) always support it by the roots of the wing at the
indicated points.
Please read this manual to the end before doing anything on your model airplane, it contains important
information regarding assembly and use, and it will also give you an overview of what should be done correctly
and following the guidelines.
Please check and identify all parts of your model airplane when you receive it. If any parts are damaged or
defective, please contact our customer service. Your model aircraft has a 90-day factory warranty against
manufacturing defects. Juniaer Model Airplanes guarantees that this kit is free from manufacturing defects in
both material and workmanship at the date of purchase. This warranty does not cover any components
damaged by use or modifications. In no event will Juniaer's liability exceed the original cost of the kit purchased.
In addition, Juniaer Model Airplanes reserves the right to change this warranty without prior notice. Since
Juniaer Model Airplanes has no control over the final assembly or the equipment used for the final assembly,
no liability will be assumed or accepted for any damages resulting from the user's use of the final product
assembLED by him or third parties. Through the act of using the assembLED product by the user, he accepts all
responsibility for the result. If the buyer is not prepared to accept responsibility for the use of this product, it
must be returned immediately to the place of purchase in new and unused condition. This product is intended
for persons over 18 years old and any procedure involved in its assembly and use must be monitored by an
adult.
This is not a beginner´s model aircraft, despite having a very stable flight performance and low speed stall
point, it is a complex model with many mechanical and electronic devices and must be assembLED and flown
by someone with experience and knowLEDge in the area of model airplanes setup and flying. Never consider

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this product as a toy. If in any case you do not feel 100% sure of what you are doing, if there are any unanswered
questions or any other problem, please DO NOT PROCEED!!! Look for our guidance or any professional in the
field. Any equipment badly instalLED, or problematic may cause the total or partial loss of the model, and
serious consequences for people and properties around the flight area. If you want more information about
insurance, legislation, rules and safety procedures, look for the Academy of Model Aeronautics
www.modelaircraft.org Telephones Tel.: [phone] Fax.: [phone], which may
indicate clubs with a structure that includes qualified flight instructors accredited to issue the operational
license for model pilots that includes insurance. Also look for FAI –Fédération Aéronautique Internationale
(World Airsports Federation) www.fai.org
Always check the operation of the model aircraft before all flights to ensure that the equipment is working
perfectly and that the structure is intact. Always check all links, connectors and control surfaces and replace any
component that shows signs of fatigue or wear.
VERY IMPORTANT: Juniaer Modelismo provides a high-quality kit with instructions, but the quality of the
finished model depends on how it is assembLED, therefore, the manufacturer and its dealers cannot under any
circumstances guarantee the performance of the completed model. No complaints will be accepted regarding
the performance and safety of the model aircraft after it has been assembLED. “Juniaer”, “Juniaer Modelismo”
and “Juniaer - Art in model airplanes”, as well as the logo, are registered trademarks of Juniaer industry,
commerce, importation and exportation of model airplanes Ltda. All rights reserved.
Juniaer Models
Telephone: [phone]
e-mail: [email protected]

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DISCLAIMER
In Brazil, model airplane activity for recreational purposes is regulated by ANAC (National Civil
Aviation Agency) through the Special Brazilian Civil Aviation Regulation RBAC-E No. 94 that entered
into force on July 1, 2021, or subsequent substitutive document.
Important information is contained in subparts E94.3 Definitions; E94.103 General rules for the
operation of unmanned aircraft; E94.301 Registration and cadastre and E94.501 General
provisions.
The Ministry of Defense, Aeronautics Command, Department of Air Space Control regulates the
procedures and responsibilities necessary for access to Brazilian Air Space by unmanned aircraft
with use exclusively for recreation, the so-calLED model aircraft through the MCA 56-2 manual that
entered into force on July 1, 2020, or subsequent substitutive document.
The radio control equipment used in model airplanes, according to the General
Telecommunications Law (Law nº 9.472, of July 16, 1997) must be approved through a certification
issued or accepted by ANATEL (National Telecommunications Agency). Information about this
procedure can be obtained from the Certification and Numbering Management –ORCN ANATEL or
by e-mail: [email protected].
We recommend reading the documents cited for legal information about the operation of your
model aircraft and the use of Brazilian airspace. For residents in other countries, we recommend
researching local legislation, regulations and safety recommendations. Also look for FAI - World
Airsports Federation www.fai.org .
All images, drawings and photos are for illustrative purposes only. Appearance and features of
the product depend on how it is assembLED or used by the user. All specifications, features and
models described and shown are subject to change without notice.
Kit contents:
We recommend checking all items when you receive your model aircraft. Your A-29 Super Tucano 85cc
Juniaer consists of the following items:
1 instruction manual containing disclaimer
1 left wing
1 front fuselage
1 left-wing landing gear door
1 rear fuselage
1 right wing
1 upper engine cowling with 4 screws
1 right-wing landing gear door
1 lower engine cowling
2 carbon fiber tubes 32mm diameter (wings)
1 rudder
1 set of clear lenses
3 carbon fiber hinges for rudder
2 pitot tubes replicas
2 fuselage side doors
14 ¼” x ¾” allen screws for wing/fuselage attachment
4 fuselage side door hinges
14 washers ¼” for wing/fuselage attachment
2 spring latch for fuselage side door
4 superb screws 2.2 x 13 mm for fixing the stabilizer
1 cockpit
1 carbon fiber engine mount
1 canopy frame
2 rear fuselage winglets
1 clear canopy
2 upper fuselage winglets
1 left half stabilizer
2 fuselage antennas
1 right half stabilizer
1 front landing gear door
1 carbon fiber tube 19.05mm diameter (stabilizer)
1 laser cut plywood tank tray
1 small fuselage antena
1 2mm steel rod

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Specifications:
Wingspan: 2800 mm
Length: 2630 mm
Wing Area: 96,93 dm2
Wing Loading: 165 g/dm2a 175 g/dm2
Spinner: 4 3/4“ (120 mm)
Engines: Gas burning 85 cc 2 cycle or electric proportional
Weight: approx. 10 Kg Flying weight: 17 to 18 Kg (depends on instalLED accessories).
Radio: 9 channels minimum for limited installation. 12 or more channels for complete installation (not
included).
Servos: 4 standard size servos (15kg-cm or more torque), 3 standard size servos 20 kg-cm or more torque and
from 1 to 3 standard size servos (4 kg-cm 56,8oz-in or more torque). All servos must be metal geared.
Fuselage Junction
The fuselage is supplied in 2 sections that must be united together with 30 to 40 minutes epoxy glue and 6
screws with washers to get permanently glued and assembLED in 1 piece.
IMPORTANT: WE DO NOT RECOMMEND ASSEMBLING OR USING YOUR MODEL AIRPLANE WITH THE FUSELAGE
JUST SCREWED FOR ASSEMBLING AND DISASSEMBLY.
The 1/4” blind nuts are already instalLED in the rear fuselage section. Test the union of the 2 parts and check
the perfect fit between them. Sand the parts to be glued with 120 to 150 grit sandpaper to increase the adhesion
of the glue. Apply epoxy glue to the front section of the fuselage across the area to be glued, then join the parts
together. Apply high grade (permanent) threadlocker to the threads of the 6 1/4" x 3/4" allen screws (supplied
with the kit) and insert them with the 6 1/4" washers through the front section of the fuselage tightening until
are very firm, thus achieving perfect alignment of the fuselage. Remove excessive glue with a cloth soaked in
alcohol and wait for the glue to cure completely.
X 6
Above: application of epoxy glue on the front section of the fuselage (left), parts joined with screws and
washers in the final location (center) and 1/4" x 3/4" allen screw with 1/4" washer to be used ( right).

A-29 Super Tucano 85cc 1.0 2022
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Above: the 2 fuselage sections joined after gluing and tightening the screws.
Gas burning engine installation
Suggestion: DLE-85 engine - perfect installation with stock anti-vibration engine mount. For a realistic
and scale appearance the original stock muffler must be changed by a rear pitts muffler.
Above: dimensions of the original anti-vibration engine mount and horizontal and vertical distances of the
DLE-85 engine.

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Before installing your gasoline engine, please carefully read the manufacturer's manual and all parts
assembly recommendations including exhaust, mounts, ignition, installation, operation and maintenance. The
information contained in this manual is extremely important.
The model airplane's carbon fiber mount is provided with markings for the 4 holes of the original anti-
vibration engine mount. The firewall is supplied in the correct location, with the correct angles for installing the
motor. Drill in the 4 marked positions with a drill and 5mm drill bit. Position the 4 screws 5x20mm with the
washers 5mm inside the fire wall. Apply a medium degree threadlocker (removable) to the screw threads and
screw them into the “stand offs” uprights in front of the fire wall, ensuring that a solid, firm fixation is obtained
with parallel alignment between the 4 uprights (note the position correct the ends of the uprights in relation to
the fire wall). Position the engine on the struts to obtain the location of the throttle and choke horns of the
engine, marking 2 points on the firewall to allow the pushrods to pass without obstructions or bends and 1 point
to allow the tygon gasoline hose to pass in a safe way. that connects to the engine's gasoline inlet without bends
or kinks. Drill with a drill and 5mm drill bit in the marked places.
Above: installation of the engine anti-vibration mount on the carbon fiber mount (left) and
engine/mount/carbon mount assembly instalLED on the model aircraft's firewall (right).
Above: installation of the engine/mount/carbon mount set instalLED on the model aircraft's firewall with
original exhaust, tygon gasoline hoses, pushrods for throttle and engine throttle control, battery and ignition
module.

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Assemble all engine parts following the manufacturer's manual guidelines using a medium degree thread
lock (removable) on the bolts to ensure they do not come loose with vibration and engine operation.
It is advisable to attach the throttle and choke control pushrods to the engine before definitively attaching it to
the mount. We recommend the use of DUBRO Laser Pushrods (DUB 500 or DUB 501) as they are flexible, easy
to install and non-metallic. Never use metal pushrods for throttle or choke of gasoline engines due to the high
risk of noise and resonance that can affect your radio control system. Sand the ends of the outer tubes of the
pushrods with coarse sandpaper (80 to 120 grit) to ensure better adhesion and glue them to the firewall in the
holes with 5 minutes epoxy glue. Mount the links to the internals of the pushrods ensuring they are secure and
connect them to the engine throttle and throttle control horns (ball links can also be used on these controls for
ease of connecting/disconnecting the throttle and choke). Important: The plastic parts of the pushrods must
stay inside the fire wall due to the heat of the engine. Connect the tygon hose to the engine's gasoline inlet.
Pass the tygon hose and the 2 pushrods through the holes in the firewall and fix the motor to the mount
definitively, also applying a medium degree thread lock (removable).
The engine ignition module must be instalLED on the side of the carbon fiber mount and wires passed through
the firewall. For this, it is necessary to make a hole of approximately 20 mm in diameter with a drill bit.
Very important: all fuel hoses and engine cables must not, under any circumstances, come into contact with
parts of the engine block that are very hot during and after operation. For this, we recommend fixing them to
the mount with nylon clamps firmly and without the possibility of moving.
Distance between the mount firewall to the prop washer: 200mm (length)
Distance from the center of the engine to the end of the head: 140mm (height)
Above: ignition module installation.

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Electric motor installation: Distance between the firewall to prop washer: 200mm (length)
Suggestion: ROTOMAX 100cc Turnigy.
Before installing your electric motor, please read the manufacturer's manual carefully and all
recommendations for assembly, operation and maintenance. The information contained in this manual is
extremely important. The firewall of the model airplane is provided in the correct location, with the correct
angles for installing the motor. Check the distance between the holes for fixing your electric motor in the
standoffs and mark the 4 points on the firewall from the center between the holes already marked at factory.
The ESC (Speed Control) can be instalLED on the firewall, between the standoffs of the electric motor. Very
important: under no circumstances should all motor wires and cables touch the parts of the motor and ESC
(speed control) that have a high temperature during and after operation. We recommend fixing them to the
standoffs with nylon clamps firmly and without the possibility of moving so that they are routed into the model
through the firewall. For this, a hole of approximately 20mm in diameter must be drilLED through the lower
right or left side or through the upper part.

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Engine cowling installation
The engine cowling is provided in 2 parts (upper and lower). The parts have perfect fittings among themselves
and in the fuselage, providing the correct alignment according to the center between the fixing holes of the
enginemount and the firewall angles, both for gasoline engines and electric motors. Using the back plate of the
spinner (4 3/4”) positioned on the prop washer of the engine/motor, position the lower part of the engine
cowling in such a way as to center the spinner back plate with the circumference formed by the cowling, leaving
spacing of 1 to 2mm between the spinner back plate and the cowling so that they do not touch in any position.
Above: the 2 cowling parts with exhausts replicas (left and center) and lower cowling as supplied seen from
lower view (right).
Above: lower cowling as supplied seen from upper view (left) and upper cowling as supplied seen from upper
view (center) and lower view (right).
Note that the upper cowling part has air intake openings protected by screens to avoid external particles
inside the engine´s compartment.

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To fix the cowling to the fuselage, apply epoxy glue to 4 10mm hardwood cubes and glue them to the inside
of the fuselage, in order to make a solid fixing point where the fixing screws will be inserted. Do the same at the
fixing points at the bottom of the cowling or use screws with self-locking nuts to ensure fastening even with
high levels of vibration. With the correct alignment of the set, permanently screw the cowling parts together
and to the fuselage using washers to increase the contact area with the cowling parts avoiding damage and
cracks due to vibration. The screws to be inserted in the wooden cubes must be locked with a drop of medium
CA glue or epoxy to reinforce the lock and ensure greater resistance.
The horizontal and vertical inclination of the spinner backplate and the front part of the cowling must be
equal, parallel and centralized.
In case of gas burning engines, an efficient cold air flow is recommended for engine cooling. The air intake at
the bottom of the cowling is enough for the air flow, however it is necessary to make room for air outlet, which
must be done at the bottom rear of the cowling, taking advantage of the holes for the engine´s exhaust pipes.
The air outlet area must be 2 times larger than the front air inlet area. We recommend 2 suggestions: use of
“velocity stack”, or horn, which extends the distance from the carburetor air intake, causing air to be captured
inside the fuselage, through the firewall; or the installation of an air separator inside the engine cowling, making
the air heated by the exhaust and the engine´s head stay at the bottom and be directed out of the cowling,
while the air at the top remains cooler to enter the carburetor. The air separator can be made of plywood or
fiberglass or carbon fiber, fixed to the firewall with 30 to 40 minutes epoxy glue.
Above: engine cowling view from diferente angles as installation reference.
Above: engine cowling view from diferente angles as installation reference.

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We offer custom-made wooden propellers for the A-29 Super Tucano 85cc Juniaer (sold separately). Always
consult the engine instruction manual to decide on the size and pitch of a propeller and consider the desired
performance according to the characteristics of your model airplane. 2 blade propellers are ideal for engine
break-in and flight tests, as they provide higher RPM and greater speed of response to engine acceleration,
while 3 blade propellersand 5 blade porpellers provide lower RPM, being very suitable for scale models,
however, they present a lower speed of response to engine acceleration.
The JC Super Props are factory balanced, painted and varnished, contributing to the good performance and
scale visual of your A-29 Super Tucano 85cc Juniaer.
Above: 2 blade wooden propellers to 85cc gas burning engines 26x10.
Above: JC Super Props 20x12 5-blade made for DLE-85cc engine.

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Above: Spinner cutting sequence to accommodate the five-blade propeller using identically shaped stickers.
Above: Spinner cutting sequence to accommodate the five-blade propeller using identically shaped adhesives
(left) and spinner balancing to ensure minimal vibration to the propeller/spinner assembly (right).
Above: propeller/spinner set properly accommodated and balanced.
IMPORTANT: Spinner parts must not touch the propeller.

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Fuel tank installation
To install the fuel tank, first fix the front plywood tray supplied with the model airplane with 30 to 40 minutes
epoxy glue on the wooden rails inside the fuselage. The tray has openings for fixing the tank and batteries with
nylon or Velcro clamps. Assemble the tank connections according to the manufacturer's instructions,
considering the chosen fueling system (read below), checking that it is free of leaks and with the clunk(s) free
in all possible positions. Main fueling options: Filling valve: we recommend Kwik Fill DUBRO (DUB 335)
connected between the fuel tank and the fuel inlet of the engine. In this case, the tank needs only 2 entry and
exit routes: a clunk that fills/empty the tank and sends fuel to the engine and vent line for air and excess fuel
indicating a full tank; “T” connector: we recommend Hangar 9 (HAN 116) connected between the fuel tank and
the engine's fuel inlet. In this case the tank needs only 2 ways of entry and exit: clunk that fills/empty the tank
and sends fuel to the engine and vent line for air and excess fuel indicating full tank and Third way of the tank:
we recommend DUBRO (DUB 840) connected directly to the fuel tank via a third way, with an independent
clunk .. In this case the tank needs 3 ways of entry and exit: clunk 1 that fills/empty the tank, clunk 2 that sends
fuel to the engine and vent line for the exit of air and excess fuel indicating full tank. The fuel valve or the
support of the fueler cap must be fixed to the firewall in plywood glued with 30 to 40 minutes epoxy or in the
engine cowling, with easy access.
We recommend the 60oz DUBRO (DUB 691) tank (1182cc) for 8-to-10-minute flights. If a longer flight time is
desired, the 50oz DUBRO tank (DUB 692) (1478cc), which already comes with the gasoline sealing rubber, can
be used. For tank fuel connections, we recommend 1/8” tygon fuel lines (DUB 800) and safety clips (DUB 678).
Position the tank and batteries as far forward as possible and check that they are securely attached. Use a fuel
filter (DUB 341).
Above: Dubro fuel tank with acessories (left) and Dubro large fuel filter (right).
Above: fuel tank internal connections (left), safety clips (center) and fuel filter with safety clips on connections
(right).

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Above: fuel tank assembly scheme with 1 clunk, vent line and third line for fueling (left) and with 2 clunks
(right).
Servos, linkage, hard points and commands
All servos must be metal geared (not included).
4 standard size servos 15 Kg-cm or more torque to the flight surfaces are necessary: 2 for ailerons and 2 for
elevators. Suggestions: Savox SC0251MG, Futaba BLS155, Futaba BLS351, JR DS8717HV, JR DS2917HV.
Above: Savox SC0251MG servo and specifications according to the manufacturer.
Above: Futaba BLS155 servo (left) and JR 8717HV (right).
3 standard size servos 20 Kg-cm or more torque to the flight surfaces are necessary: 2 for flaps and 1 for
rudder. Suggestions: Savox SA1256TG, Futaba BLS156HV, Futaba BLS175SV, Futaba BLS175HV, JR DS8611A.

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Above: Savox SC1256TG servo and specifications according to the manufacturer.
Above: Futaba BLS156HV (left), Futaba BLS175SV (center) and JR DS8611A (right).
In case of gas burning motorization, it is necessary 1 servo standard size servo with 4Kg-cm (56,8oz-in) or
more torque for throttle. Choke command installation by servo is optional. If you wish to make this installation
it is necessary 1 more standard size servo with 4Kg-cm (56,8oz-in) or more torque. If using pneumatic retracts
it is necessary 1 more standard size servo with 4Kg-cm (56,8oz-in) or more torque for air valve command.
Suggestions: SAVOX: SAVSC0254MG, SAVSC0253MG, SAVSC0252MG
Above: standard size servos dimentions (left) and Savox SC0252MG (right).

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For front wheel steering and front landing gear door 2 standard size servos 8,9kg-cm or more torque are
necessary. Suggestions: Futaba S-3305, Savox SAVSC0252MG.
The model airplane has structural reinforcements of high rigidity for installation of the ailerons, flaps,
elevators and rudder controls control horns. These points measure 5cm x 5cm, are positioned in strategic
locations and must be identified according to the instructions below. If you want to modify or adapt equipment
that requires modifications to the original design, never do this on your own. Please contact Juniaer through
our service channels to check on the possibility of installation.
All horns must be heavy duty and suitable for ¼ scale model aircraft or for giant scale model aircraft. All servo
arms must be heavy duty and suitable for ¼ scale model aircraft or giant scale model aircraft. All rods must be
steel, with thread and diameter 4-40 or greater. All servo links and connectors must be heavy duty and suitable
for ¼ scale model aircraft or for giant scale model aircraft.
Fiberglass double horn set (Heavy Duty)
We offer (sold separately) the sets of custom fiberglass horns for the A-29 Super Tucano 85cc Juniaer, in
heavy duty version (double horns).
Includes: 8 standard horns (4 ailerons and 4 elevators) and 8 straight horns for flaps (4) and rudder (4) for
external installation.
To install it is necessary to make a slot with a sharp knife or drill with a 1mm drill so that the horns are inserted
inside the rigid points of reinforcement up to their bases. After obtaining the correct fit, apply 30 to 40 minutes
epoxy glue for permanent fixation. The connection point of the horns with the links must be centered with the
hinge line of the control surfaces.
Above: heavy duty fiberglass control horn set, including 8 straight horns and 8 standard horns (left) and horn
slots alignment with hinge line of the command surface (right).

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WE DO NOT RECOMMEND INTERNAL LINKAGE INSTALLATION BECAUSE IT
DAMAGES IMPORTANT STRUCTURAL PARTS THAT MAY RESULT IN ACCIDENTS AND TOTAL OR PARTIAL LOSS
OF THE MODEL AIRPLANE, OFFERING RISKS TO PEOPLE AND PROPERTIES AROUND THE FLYING AREA. THE
WING TRAILING EDGES AT THE AILERONS AND FLAPS AND THE STABILIZER TRAILING EDGE ON ELEVATORS
MAY NOT BE DRILLED, CUTTED OR PERFORATED UNDER NO CIRCUMSTANCES.
Above: gray areas (trailing edges) on stabilizer shall not be drilLED or cut.
Above: gray areas (trailing edges) on ailerons and flaps shall not be drilLED or cut.