Lanier R/C MARINER 40 MK II ARF User manual

87” Y
87” Yak 54 ARF ak 54 ARF
WARNING
A radio-controlled model is not a toy and is not intended for persons under 16 years old. Keep
this kit out of the reach of younger children, as it contains parts that could be dangerous. A radio-
controlled model is capable of causing serious bodily injury and property damage. It is the buyer's
responsibility to assemble this aircraft correctly and to properly install the motor, radio, and all other
equipment. Test and fly the finished model only in the presence and with the assistance of another
experienced R/C flyer. The model must always be operated and flown using great care and common
sense, as well as in accordance with the Safety Code of the Academy of Model Aeronautics (5151
Memorial Drive, Muncie, IN 47302, 1-800-435-9262). We suggest you join the AMA and become prop-
erly insured prior to flying this model. Also, consult with the AMA or your local hobby dealer to find an
experienced instructor in your area. Per the Federal Communications Commission, you are required
to use only those radio frequencies specified "for Model Aircraft."
LIMITED WARRANTY
Lanier RC has inspected and certified the components of this aircraft. The company urges the buyer to perform his own inspec-
tion, prior to assembly, and to immediately request a replacement of any parts he believes to be defective for their intended use.
The company warrants replacement of any such components, provided the buyer requests such replacement within a period of
30 days from the date of purchase and provided the defective part is returned, if so requested by the company.
No other warranty, expressed or implied, is made by the company with respect to this kit. The buyer acknowledges and under-
stands that it is his responsibility to carefully assemble the finished flying model airplane and to fly it safely. The buyer hereby
assumes full responsibility for the risk and all liability for personal or property damage or injury arising out of the buyer's use of the
components of this kit.
©copyright 2005
Lanier R/C, INC. P.O. Box 458 Oakwood, Ga. 30566 PH 770 532 6401
© copyright 2005 Lanier R/C

2
Congratulations on your purchase of the 87”
Yak 54 ARF. Every effort has been made to
produce a lightweight, straight, easy to assem-
ble aircraft. Because of its oversize control sur-
faces which are double beveled to allow for
extreme throws, great care must be taken in the
set-up and flying of this airplane. Quality hard-
ware components have been provided to allow
for 3D set-up while maintaining adequate
mechanical advantage to eliminate flutter. It is
your responsibility as an advanced pilot to fly
the aircraft in an intelligent manner. THROTTLE
MANAGEMENT IS A MUST!!!!!!! Lanier RC
has flown the 87” Yak 54 ARF through a very
rigorous flight-testing schedule and have
stressed the airframe beyond all practical
parameters without a single failure. Lanier RC
will NOT warranty the 87” Yak 54 ARF against
flutter due to improper set-up or excessive
speed maneuvers. having said that, we believe
you will find the 87” Yak 54 ARF to be one of
the most responsive, in-the-grove aircraft on the
market. Just remember to use common sense
when flying this high performance machine.
We are very proud of the construction of the 87”
Yak 54 ARF and all of our other ARF aircraft.
Each aircraft is jig built to insure a straight true
airframe. Every effort is made to build as light an
aircraft as possible. As with any professional
builder, glue is used sparingly. Please take a
moment during assembly and run a bead of
CA or aliphatic resin into the high stress
joints that you can reach such as the landing
gear plate, servo mounting trays, wing hold
down blocks, Firewall, etc. Also, during the
course of shipping from the manufacturer to our
facility in the United States, it is not uncommon
for the aircraft to experience several changes in
climate. This may cause the iron-on covering to
develop wrinkles. This is not a fault of the manu-
facturer. Please take a few minutes with your
heating iron and heat gun to iron down the
seams and re-shrink the covering where needed.
The results will be a beautiful aircraft with a
breathtaking finish that you will be proud to dis-
play at your flying club.
Before beginning assembly of your 87” Yak 54
ARF, we highly recommend that you study this
manual in its entirety. You should begin planning
your radio installation based on your choice of
engine and equipment from the beginning.
Because the 87” Yak 54 ARF is intended for
those with some degree of modeling experi-
ence, every minute detail will not be cov-
ered. This is not a basic trainer. Assembly of
this aircraft will be easy for the experienced
modeler, and by following the instructions
within this manual and using the skills
you’ve gained during your modeling career
you will be able to produce a first class air-
craft.
Building supplies needed
Hobby knife w/#11 blades
Thin CA
Medium CA
Canopy glue
30 minute epoxy
Thread lock
Diagonal wire cutters
Pliers
Assorted drill bits
Various sized screwdrivers( both Phillips and
standard head)
Tape measure
Dry-erase marker
Paper towels
Rubbing alcohol
Electrical tape
4-40 Tap & Die Set
3/32, 7/64, 9/64 & 3mm Allen wrench
Wax Paper
3-1 Oil
Note:
Thread lock must be used where
ever any machine bolts are threading
into any type of nuts. If you do not
use thread lock the bolts could
become loose and fall out in flight.

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ADHESIVES & GLUING TECHNIQUES
CA adhesives are specially formulated to firmly glue the
plywood, hardwood, and balsa used in your model and to
withstand the vibration and stresses of high performance
flight. However, there are times, such as when you are
installing the stabilizer and fin on the fuselage and want
more set-up time for careful alignment and positioning,
then you should use epoxy. Occasionally, you also will
want to use thin CA, which "wicks" into the surrounding
areas. Aliphatic resin glue or similar water-based glues can
also be used, but they will add to the assembly time
because they dry so much more slowly than CA glue.
Remember, when ever using any CA, you must be careful
to read instructions thoroughly, as you will have only sec-
onds for positioning of parts. Be sure to trial fit parts
together before gluing. Also, never use watery THIN type
CA glue for gluing plywood and hardwood parts. Thin CA's
do not adequately bond these areas.
CAUTION
Some people may experience an allergic reaction when
exposed to fumes from CA glue or epoxy. As with paints,
thinners, and solvents, it is always important to use glues
only where there is adequate ventilation to carry fumes
away. A fan is recommended. Also, special care must be
taken when using CA, as it will bond skin as well as other
surfaces. Before using any CA, carefully read all label pre-
cautions. When using CA, protective eye-wear and care in
keeping the glue away from the face is highly recommend-
ed. If CA does happen to get into the eye, hold lid open
and flush with water only. Seek immediate medical atten-
tion.
CONSTRUCTION TIPS
IMPORTANT: ALWAYS READ A FEW STEPS AHEAD.
This will alert you to coming instructions and will help you
plan accordingly.
COVERING
The 87” Yak 54 ARF is covered in a premium polyester
film chosen by many of the world's top flyers for its beau-
ty, toughness, and ease of application and repair. It is not
uncommon for ARF's to develop a few wrinkles in transit.
If this is true of your model, the situation is easily correct-
ed. Before you begin putting the pieces together, run
around the edge of the seams first then over the surface
of each section with an iron (either specially designed for
airplane use or the more cumbersome household iron).
Apply the heat (set at about 350° F), following along with
a soft cloth and pressing down on the covering as you go
around. This will more firmly set the covering adhesive
into the wood and keep your aircraft covering tight and
smooth in the future. Once you have ironed the seams
stay away from them with the heat or the covering will
slide when you try to shrink the middle. If this happens the
wrinkles will not come out of the covering.
ITEMS NEEDED TO COMPLETE THIS AIRCRAFT
1 24” Gasoline fuel Line
1 20 to 24 oz Gasoline fuel tank
1 Engine 3.2 to 4.9cc (50cc to 80cc)
We used a Desert Aircraft DA 50
Pt# 2123 Slimline Muffler W/O Smoke
1 RADIO GUIDANCE SYSTEM (6 CHANNEL
MINIMUM REQUIRED WITH 9 SERVOS 100
OZ TORQUE REQUIRED)
4 11” Y-HARNESS (3 Aileron & 1 Rudder)
2 18” AILERON SERVO EXTENSION WIRES
3 24” ELEVATOR/ RUDDER SERVO EXTEN-
SION WIRES
1 CA ACCELERATOR
1 2 OZ. BOTTLE CA MEDIUM GLUE
1 1/2 OZ. BOTTLE CA THIN GLUE
1 30 MINUET EPOXY
1 1/2” FOAM RUBBER
1 4” SPINNER
OPTIONAL:
1 PILOT FIGURE
8 SERVO ARM EXTENSIONS
NOTE: The 87” Yak 54 ARF covering closely
matches Bright Yellow (872), Flame Red
(883), Black (874), and White (870)
Oracover.

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2. Locate the pre-drilled aileron hinge holes in both
wing halves. Using a 1/4” drill, drill each hole
1/8” deep. This will allow the center of the hinge
to be inserted half way into each of the surfaces.
Repeat this process with the ailerons, making
sure all hinges insert half way.
3. Place 1 drop of oil on each of the hinge joints
at the center. This is to keep the hinges loose
and prevent epoxy from sticking at the joint.
Caution: Do not get any oil on the length of the
hinge or it will not glue into the surface.
WING ASSEMBLY
AILERON INSTALLATION
1. Collect the following parts:
(1) Left wing
(1) Right wing
(1) Left aileron
(1) Right aileron
(10) hinges
4. Select the aileron for the wing half on which
you are working.
Mix up a liberal amount of 30 minute epoxy.
Working with 1 hinge at a time, place a dab of
epoxy and insert the hinge half way into one of
the aileron holes.
Repeat for each of the other hinges for that
aileron.
5. Working quickly, place some epoxy on the
second half of each hinge and insert the
aileron into the wing.
Slide the aileron toward the wing until no gap
remains between the aileron and the wing.
When satisfied with the alignment, flex the
aileron up and down to confirm that the hinges
are working freely. remove any excess epoxy.
Apply a few strips of masking tape to keep the
pieces in place.
Allow to dry before flexing the aileron.
6. Repeat the above steps for the other half of
the wing.
AILERON SERVO INSTALLATION
1. Collect the following parts:
(1) Left wing
(1) Right wing
(4) Servos
(2) 18” Servo Extension
(4) Servo “Y” Harness
2. Locate the two servo holes in the bottom of
wing.
Carefully cut the covering over the servo
holes.

5
3. Attach the 18” servo extension to the outer
servo.
IMPORTANT! To ensure that any connections locat-
ed inside the wing will not come loose, either when
the wires are pulled, or during flying, always tape
them securely together with electrical tape.
4. Starting from the outer servo hole, insert the
servo extension and the servo wire into the
servo hole.
Allow the wire to fall straight down through
though the wing till it exits the root rib.
5. Tape the end of the plug to the root rib.
Mount the inner aileron servo into the wing.
Aileron
6. Pull the second servo wire out of the wing root
rib.
Plug the two aileron servos into a “Y” harness.
Always tape them securely together with
electrical tape.
Repeat for the other wing half.
AILERON CONTROL HORN INSTALLATION
1. Collect the following items
(8) 4-40 Metal Clevis
(8) 4-40 Hex Nut
(4) Clevis Clip
(4) 4-40 x 3-1/4" Double Threaded Wire
(4) 6-32 x 2-1/4” 3mm socket head bolt
(4) Nylon Adjustable Control horns
(4) Nylon Nut
(4) Nylon Cup Washer
CONTROL HORN PART NAMES
Nylon Adjustable Control Horn
6-32 x 2-1/4” Allen head Bolt
Nylon Nut
Nylon Cup Washer
Wing Tip

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3. Using a 1/8” drill, drill half way through the
aileron hole from both top and bottom till the
drill passes through the aileron.
Insert the 6-32 x 2-1/4 allen head bolt into the
top of the aileron.
Thread the bolt all the way till the head is flush
with the top of the aileron.
4. On the bottom of the aileron, place first the
cup washer then the nylon nut onto the 6-32
bolt.
Using a 3 mm metric allen wrench tighten the
nylon nut all the way down till it rest in the cup
washer and is tight to the aileron.
Thread the nylon adjustable control horn onto
the bolt.(Note: Thread the side that you can
see the cut threads in the nylon onto the
bolt)
2. With the aileron servo in place, make a mark
on the aileron at a 90º degree angle to the
trailing edge and in line with the servo. Look
for the control horn hard point under the cov-
ering. This is the location for the control horn.
5. Thread the 4-40 x 3-1/4” double threaded rod
into the nylon adjustable control horn.
Place a 4-40 hex nut and a metal clevis on the
other end of the threaded rod.
Mount the clevis to the servo arm and place
the clevis clip on the clevis.
6. Repeat 1 thru 5 for the second aileron.
FUSELAGE HATCH
The top front half of the fuselage is a hatch. Remove
the 4-40 socket head bolts on the side of the fuse-
lage to disengage the hatch.
ELEVATOR & RUDDER SERVOS
1. Collect the following items
(2) Servos
(2) 24” Servo extensions
1. Locate the servo holes at the rear of the fuse-
lage side.
Remove the covering over both servo holes.
Note: This is the time to decide if you will be using
two servos for the rudder.
2. Remove the covering over the servo hole on
the other side of the fuselage
Using the 24” servo extensions install all the
servos facing the same direction as shown in
the photo above.

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1. Collect the following items
(2) Stabilizers
(4) 4-40 x 1/2” Button Head Bolts
(1) Short Front Stabilizer Tube
(1) Long Rear Stabilizer Tube
MOUNTING STABILIZERS
1. Locate the two holes under the stabilizer
tubes in the fuselage.
Remove the covering over both screw holes.
2. Slide the short stabilizer tube into the front
hole in the fuselage.
Insert the long stabilizer tube in the rear hole
of the fuselage.
Using the 4-40 x 1/2” button head screws to
fasten the stabilizer to the fuselage side.
Note: Always use thread lock on these screws
before flying
3. Repeat for the other side of the stabilizer.
TAIL WHEEL ASSEMBLY
1. Collect the following items
(2) Springs
(4) 1/8 Adjustable Horn Brackets
(1) Tail Wheel Bracket
(1) Tail Wheel Axle
(1) Tail Wheel
(1) Wheel collar with Set Screw
(2) 6-32 all threaded short shafts
(2) Brass Tail Wheel Axle Supports with Set
Screws
1. Locate the tail wheel axle and one of the brass
tail wheel supports with only one threaded
hole.
Insert the axle through the brass tail wheel
support and tighten the set screw like shown
above.
Note: Use thread lock on the set screw.
Insert the axle shaft through the hole on the
tail wheel bracket.

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TAIL WHEEL
1. Collect the following items
(1) Tail wheel bracket
(2) #4 x 3/4” philip head screws
(1) Small tail wheel
(2) Wheel collars with set screws
1. Draw a centerline on the bottom of the fuse-
lage where the tail wheel bracket will mount.
2. Mark the tail wheel bracket mounting hole
locations while keeping the first bend on the
rudder hinge line.
Drill two 1/16” holes on the marks you just
made.(Use thin CA glue to harden the holes)
Using the #4 x 3/4” philip head screws mount
the tail wheel bracket.
3. Install the tail wheel and the wheel collars
onto the bracket.
2. Thread the two threaded rods in to the brass
axle.
Note: Use thread lock on the set screw.
3. Place the brass tail wheel support on the top
of the axle and tighten the set screw like
shown above
Note: Use thread lock on the set screw.
3. Thread on to each end of the threaded rod a
1/8” adjustable control horn

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HINGING RUDDER
1. Collect the following items
(1) Rudder
(4) Hinges
(1) 6-32 x 3” All Threaded Rod
(2) 6-32 Locking Hex Nuts
(2) #6 Washer
(2) Nylon Adjustable Control Horn
(2) Nylon Adjustable Horn Bracket
1. Glue the Rudder to the fin the same way you
did the ailerons.
Make sure that the top of the rudder will not rub
on the top of the fin.
2. Drill a 1/8” hole located at 3/4” back from the
hinge line and 1/2” up from the bottom of the
rudder.
.Insert the 6-32 x 5-1/2” all threaded rod and
center it using the #6 washer with a 6-32 lock-
ing hex nut.
3. Place on both ends of the threaded rod a
Nylon Adjustable Control Horn.
Place the spring between the rudder control
horn bracket and the tail wheel tiller arm on
top of the wheel.
INSTALLING MAIN LANDING GEAR
1. Collect the following items:
(6) 6-32 x 3/4” Socket Head Screw
(1) Main Aluminum Landing Gear
2. Find the landing gear slot on the side of the
fuselage.
Insert the the landing gear through the slot .
Front
3. Using the 6-32 bolts and thread lock, mount
the landing gear in the fuselage

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HINGING THE ELEVATORS
1. Collect the following items:
(2) Elevators
(8) Hinges
3. Insert the hinges into the hinge hole in the sta-
bilizers and the elevators
Make sure that the hinges fits completely into
the stabilizer and the elevator.
4. Take the elevators and the stabilizers and just
like you did for the ailerons pre-drill each of
then hinge holes.
Place a drop of oil on each of the hinge joints.
5. Mix up some 30 minute epoxy and glue each
of the elevators to the stabilizers.
Tape the elevators to the stabilizers till dry.
ELEVATOR PUSHRODS
1. Collect the following items:
(2) 4-40 x 3-1/4” Double Threaded Pushrod
(2) 4-40 Hex Nuts
(2) 4-40 Metal Clevis
(2) Clevis Clips
(2) Nylon Adjustable Control Horn
(2) Nylon Adjustable Horn Bracket
(2) Nylon Nut
(2) Nylon Cup Washer
(2) 6-32 x 3” Flat Head Screw
RUDDER PUSHROD
1. Collect the following items:
(2) 4-40 x 3-1/4” Double Threaded Pushrod
(2) 4-40 Hex Nuts
(2) 4-40 Metal Clevis
(2) Clevis Clips
2. Thread the 4-40 pushrod into the nylon
adjustable control horn
Thread the 4-40 hex nut and the 4-40 metal
clevis onto the other end of the pushrod.
3. Connect the clevis to the servo arm.
Place the clevis clip onto the clevis.
Repeat steps 2 & 3 for the other rudder servo.
2. the inner most hinges on each elevator will
have to be trimmed so that the elevator will fit
flush to the stabilizer.
2. Position the control horn bolt so that it is 1/2”
back from the hinge line and 1/2” from the end
of the elevator.
Using a 9/64" drill bit, make a hole in the ele-
vator through to the top side.

11
3. Insert the 6-32 x 3” screw from the top through
the elevator.
Place the nylon cup washer and nylon nut on
the bolt and tighten
Screw the nylon adjustable horn bracket on to
the bolt.
HINT: Drill the hole from the bottom half way.
Then measure and mark the top of the
aileron and drill down to the hole from the
top of the aileron.
4. Thread the 4-40 pushrod into the nylon
adjustable control horn
Thread the 4-40hex nut and the 4-40 metal
clevis onto the other end of the pushrod.
3. Connect the clevis to the servo arm.
Place the clevis clip onto the clevis.
Repeat steps 2 thru 4 for the other elevator
servo.
Caution:
Make sure each metal clevis
is fully closed and a clip is
installed before and after
each flight.
WHEEL AND WHEEL PANTS
1. Collect the following items:
(2) 5-32 x 1-1/4” Axle with Locking Nut
(4) 5/32 Wheel Collars
(4) 4-40 x 1/8” Cup Screws
(2) 4-40 Blind Nuts
(2) 4-40 x 1/2” Button Head Screws
(2) 3-1/4” Wheels
2. Mount the axle to the landing gears.
3. Place the wheel pant and the wheel onto the
axle.
level the fuselage by blocking the tail up till it
is level, then level the wheel pant.
Mark the hole location on the wheel pants
through the back of the landing gear.
4. Drill a 1/8” hole on the marks you just made
through the wheel pant.
Insert a 4-40 blind nut inside the wheel pants.

12
Wheel Collars
Wheel Pant
Wheel
Landing Gear
5. Mount the wheel pants back on the landing
gear along with the wheel collars and wheels.
Center the wheel on the axle.
ENGINE INSTALLATION
The Motor you choose may have a different
type installation as show. We show a Desert
Aircraft DA50 motor. This motor has more
than enough power to make this plane per-
form to its limits.
If you choose a more powerful motor
then you must make sure that you go over
all high stress joints with a white glue or a
epoxy.
Because of the size of propellers used
in these type of engines any kind of prop
strike on the ground, or any other type of
object, can cause structural damage that
might not be easily visible. When a accident
occurs you must check for damage thought
out the plane before flying. This damage can
cause airframe failure at any time, so inspec-
tions must be thorough.
We will not warranty any structural failures
do to neglect or accidents.
1. You will find both the horizontal and vertical
lines marked on the firewall.
The vertical line is off set to compensate for
the 2 degrees right thrust.
Mark your motor mount location from these
marks.
The front of the prop drive washer needs to
be 6-1/4” away from the firewall.
Caution:
Always use thread lock on any bolt
that is threading into metal threads.

13
2. The motor we used was mounted on pillars off
of the firewall the proper distance (6-1/4”
total). You might need to shim your motor out
farther.
We also had to open the fuel tank hole in the
firewall because the DA 50 carburetor needs
“breathing room” to function properly. This
hole allows the carburetor to breath through
the firewall into the fuselage.
Remove for carbu-
retor breathing
2. The ignition box was mounted below where
the fuel tank will be placed.
FUEL TANK
Note:
The fuel tank must be designed for gas if
you are using a DA50.
1. Construct your fuel tank.
Using Rubber bands or velcro©, strap the fuel
tank to the tray.
2. Using #2 x 5/16 screws, Install the fuel tank
tray in front of the fiberglass wing tube.
Install the fuel line line for your motor.

14
2Install the throttle servo.
Drill a 1/8” hole in the firewall in position with
the throttle arm. Insert the nylon tubing in the
hole.
Let the tubing exit into the fuselage towards
the throttle servo mount.
Attach the EZ connector to the engine throttle
or servo arm.
Insert the pushrod into the tubing and
through the EZ connector.
ENGINE THROTTLE INSTALLATION
1. Collect the following items:
(1) 1/8” x 16” nylon tubing
(1) .072 x 18” Threaded Rod
(1) EZ connector
(1) Snap Nut
(1) 4-40 x 1/8 Screw
(1) Nylon Snap Link
(1) Servo
Note:
The DA 50 has a threaded hole for a ball link
to mount This is not included in the kit.
COWL INSTALLATION
1. Collect the following items:
(1) Cowl
(4) 4-40 x 3/4” Button Head Socket Bolt
(4) 1/4 x 1/4 Silicone tubes
You will have to remove any parts of the
cowl that rub against the engine. Make
these openings little at first and slowly
make them bigger till the cowl fits over the
engine without touching. Do not forget to
make an opening for the needle valve and
the fuel lines.
2Place a 4” strip of masking tape from the cowl
screw hole back along the fuselage..
Using a pencil, draw a line straight back from
the hole 2-1/2” long
Measure back from the hole 2” and make a
mark
3. Repeat step 2 for the remaining cowl mount-
ing holes.
2” back
4. After cutting openings in the cowl to fit around
the motor, mount the cowl onto the airplane
and tape in place
Mark a line onto the cowl following the line on
the masking tape you made earlier.
Measure forward 2” from the old mark and
make a second on the cowl.

15
Caution:
Always use thread lock on any bolt
that is threading into metal threads.
RECEIVER, BATTERY & SWITCH
We placed our receiver just behind the
fuel tank 2000 Mah battery beside the fuel tank.
The location of these items will vary with the
engine used.
Install your radio switch.
Install your receiver and battery pack accord-
ing to your radio instructions.
The Yak 54 has lots of room to move the bat-
tery around to help with the CG. Do not make
a final place till you have balanced the plane.
1. Gather the following items
(1) Right & Left Wing Panels
(2) 1/4-20 x 1-1/4” Nylon Bolt
(1) Wing Tube
WING BOLTS
2. Slide the wing tube into one of the wing
halves.
Slide the tube thru the fuselage.
Slide the second wing half onto the wing tube
coming out of the fuselage side.
Push the two wing halves together till they are
tight against the fuselage side.
Bolt the wing to the fuselage using a 1/4-20
nylon bolt.
HATCH & CANOPY
1. Gather the following items
(1) Canopy Hatch
(2) 4-40 x 1/2” Socket Button Head Bolt
(1) Canopy
Place wax paper.between the hatch and the
fuselage.
Using the 4-40 x 1/2” bolts and washers,
mount the hatch to the top of the fuselage.
Put in place the canopy over the fuselage
hatch.
Glue in place using canopy glue..
Drill a hole 7/64” through the cowl at the sec-
ond mark.
5. Repeat step 4 for the remaining cowl mount-
ing holes.

16
Balancing
Balance the Yak 54 6-7/8 to 7-1/4 back from the leading edge next to the fuselage.
For extreme 3D flying you may want to move the CG back even farther after you are
familiar with the way the Yak 54 flies. Just remember that the further back you go the
more sensitive it will become. With extreme throws the model can get beyond the abil-
ity of novice pilots very quickly.
Good Luck and I hope you enjoy flying the 87” Yak 54 ARF.
RUDDER
Standard 3D
25º up 40º up
25º down 40º down
ELEVATOR
Standard 3D
20º up 40º up
20º down 40º down
AILERON
Standard 3D
20º up 40º up
20º down 40º down
Control Throws