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INSTRUCTION MANUAL
FLWA4004 - ZLIN 50 LX ARF
ZLIN 50
LX
Fully licensed through the
Red Bull GmbH - Austria
Technical data : Zlin 50 LX
Wingspan 1613 mm
Length 1404 mm
Take o weight 3030 g
Wing Area 46,6 dm²
Wing load 65 g/dm²
Motor set FW 5065
78151
Version 1.01
Please read the instruction manual carefully and take notice of the safety guidelines.
If the model is given to a third party, always include this instruction manual to the model.
Distributed by
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TABLE OF CONTENTS
General informations ..........................................................2
Environment protection infos ........................................2
Introduction ............................................................................2
Safety precautions ...............................................................3
Recommended accessories ..............................................4
Recommended drive sets ..............................................4
RC Equipments ..................................................................4
Adhesives and Building Supplies ................................4
Spare parts for the ZLIN 50 LX ........................................4
Kit content ................................................................................5
Kit check ....................................................................................5
Symbols for the building ...................................................5
1 - Aileron ..................................................................................6
2 - Aileron servo .....................................................................6
3 - Main wing ...........................................................................6
4 - Stabilizer / Vertical n ..................................................7
ENGLISH
5 - Stabilizer Struts ...............................................................7
6 - Elevator pushrod ............................................................7
7 - Rudder Pullwire ...............................................................8
8 - Radio Equipment ............................................................8
9 - Landing gear .....................................................................8
10 - Brushless Motor ............................................................9
11 - Main wing ........................................................................9
12 - Cowling and canopy ...................................................9
Get the model ready to y ............................................. 10
Check the Control Directions .................................... 10
Balance the Model (C.G.) ............................................. 10
Balance the Model Laterally ......................................11
Set the Control Throws ................................................ 11
Preight .................................................................................. 11
Identify your model ...................................................... 11
Charge the Batteries ..................................................... 11
Balance Propellers .........................................................12
Range check .................................................................... 12
ENGINE SAFETY PRECAUTIONS ................................... 12
Safety code............................................................................12
General .............................................................................. 12
Radio control ................................................................... 12
Check-List ..............................................................................13
GENERAL INFORMATIONS
• Read this manual and its safety precautions carefully! Keep this manual and if
you give the model to a third party, put this manual to the model.
• Take care, that you are familiar with your transmitter and all electronic
components, used in your plane.
• Take care of all safety instructions of tools, which are you using to assemble
this model.
• Only take glues, which are recommended for the specic materials and which
are approved for model business.
• Before assembling please check all parts of this kit. If some parts are missing or
have a mistake, please call our service center.
Introduction
• The symbols on the package show you, that the model
and its accessories should not be put to waste. All electric
and electronic parts should be deposed to places of
waste management.
• Batteries and accumulators must
be removed from the devices and
should be deposed to the correct
waste management organisation. Take
information from your home town
government.
ENVIRONMENT PROTECTION INFOS
The classic aerobatic plane Zlin 50L is used from the Flying Bulls Aerobatic Team for a long time. On a lot of ight
shows and events, the Flying Bulls Aerobatic team demonstrated amazing gures and stunning maneuvers. The
Flitework Zlin 50-M is a very powerful and stable ying replica of this famous plane.
Enjoy at http://www.yingbulls.cz/start_e.html
Attention please!
Remote controlled model planes are not a toy! For assembling, ying and servicing such models, you need a high
grade of technical comprehension and liability.
Careless assembling and operation may cause personal and material damage.
Because the Flitework GmbH has no inuence on assembly, RC installation, operation and servicing of the ight
device, any liability is rejected under explicit advice to these dangers.
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ENGLISH
SAFETY PRECAUTIONS
1. Your Zlin Z-50L should not be considered a toy, but rather
a sophisticated, working model that functions very much like
a full-size airplane. Because of its performance capabilities,
the Zlin Z-50L if not assembled and operated correctly, could
possibly cause injury to yourself or spectators and damage to
property.
2.You must assemble the model according to the instructions.
Do not alter or modify the model, as doing so may result in a
unsafe or unyable model. In a few cases the instructions may
dier slightly from the photos. In those instances the written
instructions should be considered as correct.
3. You must take time to build straight, true and strong.
4. You must use an R/C radio system that is in rst-class
condition and a correctly sized engine and components (fuel
tank, wheels, etc.) throughout the building process.
5. You must correctly install all R/C and other components so
that the model operates correctly on the ground and in the air.
7. If you are not already an experienced R/C pilot, you should
y the model only with the help of a competent, experienced
R/C pilot.
8. While this kit has been ight tested to exceed normal use,
if the plane will be used for extremly hight stress ying, such
as racing, or if an engine larger than one in the recommended
range is used, the modeler is responsible for taking steps to
reinforce the hight stress points and/or substituting hardware
more suitable for the increased stress.
9. WARNING: The cowl and wheel pants included in this kit
are made of berglass, the bers of which may cause eye,
skin and respiratory tract irritation. Never blow into a part to
remove berglass dust, as the dust will blow back into your
eyes. Always wear safety goggles, a particle mask and rubber
gloves when grinding, drilling and sanding berglas parts.
Vacuum the parts and work area thoroughly after working
with berglass parts.
6. You must check the operation of the model before every
ight to insure that all equipment is operating and that the
model has remained structurally sound. Be sure to check
clevises or other connectors often and replace them if they
show any signs of wear or fatigue.
Flitework quatily
We, as the kit manufacturer, provide you with a top quality kit and instructions, but ultimately the quality and yability of your
nished model depends on how you build it; therefore, we cannot in any way guarantee the performance of your completed
model and no representations are expressed or implied as to the performance or safety of your completed model.
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RECOMMENDED ACCESSORIES
This is a partial list of items required to nish the Zlin 50 LX
that may require planning or decision-making before starting
to build. Order numbers are provided in parentheses.
RECOMMENDED DRIVE SETS
2-blade version: Motor set FW5060/400
Order No: FLWA8005
3-blade version: Motor set FW5065/380
Order No: FLWA8006
1x FlightPower Lipo-Akku 6s 3800mAh 30C
(Order No: FPWP3386)
RC EQUIPMENTS
2x Aileron servos (Tactic TSX45 Order No: TACM0245)
2x Elevator & rudder servos (Tactic TSX45 Order No:
TACM0245)
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1x 6 channel receiver( Tactic TR625 Order No: TACL0625)
4x Servo wire extension Order No: HCAQ7310
SPARE PARTS FOR THE ZLIN 50 LX
Support, but can be purchased from hobby shops or mail
order/Internet order rms. Hardware items (screws, nuts,
bolts) are also available from these outlets. If you need assistance locating a dealer to purchase parts, contact Product
Support.
Service-Abteilung Revell GmbH
Henschelstr. 20-30, 32257 Bünde, Germany
Tel: 01805 110111 (nur für Deutschland)
(Anrufkosten: 14 Cent/Min. a. d. dt. Festnetz;
Mobilfunk max. 42 Cent/Min.)
Email: Hobbico-Service@Revell.de
Order n° Part name
FLWA4911 Zlin 50 1600mm cockpit
FLWA4044 Zlin 50 1600mm motor cowl
FLWA4064 Zlin 50 1600mm canopy
FLWA4034 Zlin 50 1600mm landing gear bow
FLWA4014 Zlin 50 1600mm wing set
ADHESIVES AND BUILDING SUPPLIES
In addition to common household tools and hobby tools,
this is the “short list” of the most important items required to
build the Zlin 50 LX. Great Planes Pro™ CA and Epoxy glue are
recommended.
· Hobby knife
· Philips screw driver
· Drill 1.5 mm
· Adhesive tape
· 10 min epoxy glue
· CA glue
· PVA glue
· Set of wrenches
FLWA4024 Zlin 50 1600mm fuselage
FLWA4094 Zlin 50 1600mm elevator
FLWA4074 Zlin 50 1600mm rudder
FLWA4084 Zlin 50 1600mm accessory set
FLWA4054 Zlin 50 1600mm spinner 2-blade
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KIT CONTENT
ENGLISH
KIT CHECK
Before starting to build, use the Kit Contents list to take an
inventory of this kit to make sure it is complete and inspect the
parts to make sure they are of acceptable quality. If any parts
are missing or are not of acceptable quality, or if you need assistance with assembly, contact Revell Product Support.
Service-Abteilung Revell GmbH
Henschelstr. 20-30, 32257 Bünde, Germany
Tel: 01805 110111 (nur für Deutschland) (Anrufkosten:
14 Cent/Min. a. d. dt. Festnetz; Mobilfunk max. 42 Cent/Min.)
Email: Hobbico-Service@Revell.de
SYMBOLS FOR THE BUILDING
Apply epoxy glue
Apply instant glue.
Ensure smooth non-binding movement while
assembling.
Remove covering here. Do not cut wood.
Drill holes with the specied diameter (here : 1.5 m
Assemble left and right sides the same way.
m
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1 - AILERON
Bonding of hinges using white glue is also very
successful.
ENGLISH
2 - AILERON SERVO
Rod
Servo linkage
3 - MAIN WING
Wooden
Pushrod
Ball-Link
Washer
Horn
Wing joiner
375x33x6mm
PLY
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4 - STABILIZER / VERTICAL FIN
Wheel 30 mm
5 - STABILIZER STRUTS
Collar 2,1mm
Elevator joiner
2,5x20v100 mm
Aluminium
slice
Stabilizer Struts
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6 - ELEVATOR PUSHROD
Ball-link
Washer
Horn
Pushrod
Rod
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7 - RUDDER PULLWIRE
Pullwire
Copper Tabe
Tie-in
Ball-Link
Horn
Washer
ENGLISH
8 - RADIO EQUIPMENT
Front
Elevator
Servo
Rudder
Servo
9 - LANDING GEAR
Self locked nut
Elevator pushrod
Rudder Pull-pull System
Steel Axle
Rudder
Pushwire
Wheel
Tie-in
Collar
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10 - BRUSHLESS MOTOR
11 - MAIN WING
12 - COWLING AND CANOPY
ENGLISH
PLY
Lock
PWA2,3x8mm
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GET THE MODEL READY TO FLY
HÖHENRUDER GEHT
NACH UNTEN
4-KANAL STEUERUNG
NACH UNTEN
4-KANAL STEUERUNG
BALANCE THE MODEL (C.G.)
CHECK THE CONTROL DIRECTIONS
1. Turn on the transmitter and receiver and center the
trims. If necessary, remove the servo arms from the servos and
reposition them so they are centered. Reinstall the screws that
hold on the servo arms.
2. With the transmitter and receiver still on, check all the
control surfaces to see if they are centered. If necessary, adjust
the clevises on the pushrods to center the control surfaces.
(STANDARD MODE 1)
SEITENRUDER
GEHT NACH
RECHTS
ENGLISH
LINKES QUERRUDER
GEHT NACH UNTEN,
RECHTES NACH OBEN
VOLLGAS
More than any other factor, the C.G. (balance point) can
have the greatest e ect on how a model ies and may
determine whether or not your rst ight will be successful.
If you value this model and wish to enjoy it for many ights,
DO NOT OVERLOOK THIS IMPORTANT PROCEDURE. A
model that is not properly balanced will be unstable and
possibly un yable.
At this stage the model should be in ready-to- y condition
with all of the systems in place including the engine, landing
gear, covering and the radio system.
1. Use a felt-tip pen or 1/8"-wide tape to accurately mark
the C.G. on the top of the wing. The C.G. is located 118
mm (4.6 ") back from the leading edge of the wing.
2. With the wing attached to the fuselage, all parts of
the model installed (ready to y) and with batteries in
position, place the model upside-down on a Great Planes
CG Machine, or lift it upside-down at the balance point
you marked.
(STANDARD MODE 2)
SEITENRUDER
GEHT NACH
RECHTS
VOLLGAS
3. Make certain that the control surfaces and the carburetor
respond in the correct direction as shown in the diagram. If any
of the controls respond in the wrong direction, use the servo
reversing in the transmitter to reverse the servos connected to
those controls. Be certain the control surfaces have remained
centered. Adjust if necessary.
LINKES QUERRUDER
GEHT NACH UNTEN,
RECHTES NACH OBEN
HÖHENRUDER GEHT
3. If the tail drops, the model is “tail heavy” and the battery
pack and/or receiver must be shifted forward or weight
must be added to the nose to balance. If the nose drops,
the model is “nose heavy” and the battery pack and/or
receiver must be shifted aft or weight must be added to
the tail to balance. If possible, relocate the battery pack
and receiver to minimize or eliminate any additional
ballast required. If additional weight is required, nose
weight may be easily added by using a “spinner weight”
(GPMQ4645 for the 1 oz. weight, or GPMQ4646 for the
2 oz. weight). If spinner weight is not practical or is not
enough, use Great Planes (GPMQ4485) “stick-on” lead. A
good place to add stick-on nose weight is to the rewall
(don't attach weight to the cowl–it is not intended
to support weight). Begin by placing incrementally
increasing amounts of weight on the bottom of the fuse
over the rewall until the model balances. Once you
have determined the amount of weight required, it can
be permanently attached. If required, tail weight may be
added by cutting open the bottom of the fuse and gluing
it permanently inside.
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Note: Do not rely upon the adhesive on the back of the
lead weight to permanently hold it in place. Over time, the
adhesive may softern and cause the weight to fall o. Use
#2 sheet metal screws, RTV silicone or epoxy to permanently
hold the weight in place.
4. IMPORTANT: If you found it necessary to add any
weight, recheck the C.G. after the weight has been
installed.
BALANCE THE MODEL LATERALLY
1. With the wing level, have an assistant help you lift
the model by the engine propeller shaft and the bottom of the
fuse under the TE of the n. Do this several times.
Elevator
Rudder
Aileron
We recommend these surface throws :
Standard ying
Up
55 mm
Left
85 mm
Up
35 mm
Down
55 mm
Right
85 mm
Down
35 mm
2. If one wing always drops when you lift the model,
it means that side is heavy. Balance the airplane by adding
weight to the other wing tip. An airplane that has been laterally
balanced will track better in loops and other maneuvers.
SET THE CONTROL THROWS
Use a ruler to accurately measure and set the control throw
of each control surface as indicated in the chart that follows.
If your radio does not have dual rates, we recommend setting
the throws at the low rate settings.
NOTE: The throws are measured at the widest part of the
elevators, rudder and ailerons.
Aileron throws
Elevator throws
PREFLIGHT
ENGLISH
IDENTIFY YOUR MODEL
No matter if you y at an AMA sanctioned R/C club site or
if you y somewhere on your own, you should always have
your name, address, telephone number and AMA number on
or inside your model. It is required at all AMA R/C club ying
sites and AMA sanctioned ying events. Fill out the identication tag on the decal sheet and place it on or inside your
model.
CHARGE THE BATTERIES
Follow the battery charging instructions that came with your
radio control system to charge the batteries. You should always
charge your transmitter and receiver batteries the night before
you go ying and at other times as recommended by the radio
manufacturer.
NOTE: Checking the condition of your receiver battery pack is
highly recommended. All battery packs, whether it's a trusty
pack you've just taken out of another model, or a new battery
pack you just purchased, should be cycled, noting the discharge
capacity. Oftentimes, a weak battery pack can be identied (and
a valuable model saved!) by comparing its actual capacity to its
rated capacity. Refer to the instructions and recommendations
that come with your cycler. If you don't own a battery cycler,
perhaps you can have a friend cycle your pack and note the
capacity for you. gemessenen. Hier können große Unterschiede
auftreten.
Rudder throws
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BALANCE PROPELLERS
Carefully balance your propeller and spare propellers before
you y. An unbalanced prop can be the single most signicant
cause of vibration that can damage your model. Not only will
engine mounting screws and bolts loosen, possibly with
disastrous eect, but vibration may also damage your radio
ENGLISH
receiver and battery. Vibration can also cause your fuel to
foam, which will, in turn, cause your engine to run hot or quit
We use a Top Flite® Precision Magnetic Prop Balancer™
(TOPQ5700) in the workshop and keep a Great Planes Fingertip Prop Balancer (GPMQ5000) in our ight box.
RANGE CHECK
Ground check the operational range of your radio before the
rst ight of the day. With the transmitter antenna collapsed
and the receiver and transmitter on, you should be able to
walk at least 100 feet away from the model and still have
control. Have an assistant stand by your model and, while
you work the controls, tell you what the control surfaces are
doing. Repeat this test with the engine running at various
speeds with an assistant holding the model, using hand signals to show you what is happening. If the control surfaces do
not respond correctly, do not y! Find and correct the problem
rst. Look for loose servo connections or broken wires, corroded wires on old servo connectors, poor solder joints in your
battery pack or a defective cell, or a damaged receiver crystal
from a previous crash.
ENGINE SAFETY PRECAUTIONS
Failure to follow these safety precautions may result
in severe injury to yourself and others.
Get help from an experienced pilot when learning to
operate engines.
Use safety glasses when starting or running engines.
Do not run the engine in an area of loose gravel or sand;
the propeller may throw such material in your face or
eyes.
Keep your face and body as well as all spectators away
from the plane of rotation of the propeller as you start
and run the engine.
Keep these items away from the prop: loose clothing,
shirt sleeves, ties, scarfs, long hair or loose objects such as
pencils or screwdrivers that may fall out of shirt or jacket
pockets into the prop.
The engine gets hot! Do not touch it during or right after
operation.
Do not use hands, ngers or any other body part to try to
stop the engine.
Do not throw anything into the propeller of a running
engine.
SAFETY CODE
GENERAL
1. I will not y my model aircraft in sanctioned events,
air shows, or model ying demonstrations until it has
been proven to be airworthy by having been previously
successfully ight tested.
2. I will not y my model aircraft higher than
approximately 400 feet within 3 miles of an airport
without notifying the airport operator. I will give right
of way to and avoid ying in the proximity of full scale
aircraft. Where necessary an observer shall be used
to supervise ying to avoid having models y in the
proximity of full scale aircraft.
3. Where established, I will abide by the safety rules for
the ying site I use and I will not willfully and deliberately
y my models in a careless, reckless and/or dangerous
manner.
7. I will not y my model unless it is identied with my
name and address or AMA number, on or in the model.
9. I will not operate models with pyrotechnics (any device
that explodes, burns, or propels a projectile of any kind).
RADIO CONTROL
1. I will have completed a successful radio equipment
ground check before the rst ight of a new or repaired
model.
2. I will not y my model aircraft in the presence of
spectators until I become a qualied ier, unless assisted
by an experienced helper.
3. I will perform my initial turn after takeo away from the
pit or spectator areas and I will not thereafter y over pit
or spectator areas, unless beyond my control.
4. I will operate my model using only radio control
frequencies
currently allowed by the Federal Communications
Commission.
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CHECK-LIST
During the last few moments of preparation your mind may
be elsewhere anticipating the excitement of the rst ight.
Because of this, you may be more likely to overlook certain
checks and procedures that should be performed before
the model is own. To help avoid this, a checklist is provided
to make sure these important areas are no overlooked.
Many are covered in the instruction manual, so where
appropriate, refer to the manual for complete instructions.
Be sure to check the items o as they are completed (that's
why it's called a check list!).
1. Check the C.G. according to the measurements
provided in the manual.
2. Be certain the battery and receiver are securely
mounted in the fuse. Simply stung them into place with
foam rubber is not sucient.
3. Extend your receiver antenna and make sure it has a
strain relief inside the fuselage to keep tension o the
solder joint inside the receiver.
4. Balance your model laterally as explained in the
instructions.
5. Use threadlocking compound to secure critical
fasteners such as the set screws that hold the wheel
axles to the struts, screws that hold the carburetor arm (if
applicable), screw-lock pushrod connectors, etc.
15. Place your name, address, AMA number and
telephone number on or inside your model.
16. If you wish to photograph your model, do so before
your rst ight.
17. Range check your radio when you get to the ying
eld.
ENGLISH
Remember to think.
Have a ball!
But always stay in control and y in
a safe manner.
6. Add a drop of oil to the axles so the wheels will turn
freely.
7. Make sure all hinges are securely glued in place.
8. Reinforce holes for wood screws with thin CA where
appropriate (servo mounting screws, cowl mounting
screws, etc.).
9. Conrm that all controls operate in the correct direction
and the throws are set up according to the manual.
10. Make sure there are silicone retainers on all the
clevises and that all servo arms are secured to the servos
with the screws included with your radio.
11. Secure connections between servo wires and Y
connectors or servo extensions and the connection
between your battery pack and the on/o switch with
vinyl tape, heat shrink tubing or special clips suitable for
that purpose.
12. Make sure any servo extension cords you may have
used do not interfere with other systems (servo arms,
pushrods, etc.).
13. Balance your propeller (and spare propellers).
GOOD LUCK AND
GREAT FLYING!
14. Tighten the propeller nut and spinner.
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PERSONAL NOTES
ENGLISH
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ENGLISH
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ENGLISH
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