Seagull Models Fairchild PT-19 User manual

MadeinVietnam.
Wingspan-------------------------------------------- 156cm, 61.42in.
Wingarea --------------------------------- 3900 sq.cm,604.5 sq.in.
Approximate flying weight ------------ 2.6-2.9 kg, 5.72-6.38 lbs.
Recommended engine size ------------- .46-.52 cu.in 2-stroke.
.52 cu.in 4-stroke.
RecommendedR/C -------------------------4channels minimum.
Specifications:
INSTRUCTIONS FOR FINAL ASSEMBLY

FAIRCHILD PT-19 Instruction Manual
2
INTRODUCTION.
ThankyouforchoosingthePT-19ARTFbySEAGULLMODELS.ThePT-19wasdesignedwiththe
intermediate/advanced sport flyer in mind. It is a low-wing scale aeroplane which is easy to fly and
quick to assemble. The airframe is conventionally built using balsa, plywood make it stronger than
theaverageARTF,yetthedesignallowstheaeroplanetobekeptlight.Youwillfindthatmostofthe
work has been done for you already. The pushrods are pre-made to the correct lengths, the motor
mount has been fitted and the hinges are pre-installed and pinned for security. Flying the PT-19 is
simply a joy.
This instruction manual is designed to help you build a great flying aeroplane. Please read this
manualthoroughlybeforestartingassemblyofyourPT-19.Usethepartslistingbelowtoidentifyall
parts.
WARNING.
Please be aware that this aeroplane is not a toy and if assembled or used incorrectly it is capable
of causing injury to people or property. WHEN YOU FLY THIS AEROPLANE YOU ASSUME ALL
RISK&RESPONSIBILITY.
IfyouareinexperiencedwithbasicR/CflightwestronglyrecommendyoucontactyourR/Csupplier
and join your local R/C Model Flying Club. R/C Model Flying Clubs offer a variety of training
proceduresdesigned tohelpthenewpilot onhisway tosuccessfulR/Cflight.They willalsobe able
to advise on any insurance and safety regulations that may apply.
ADDITIONAL ITEMS REQUIRED.
- .46-.52 2-stroke engine.
- .52 4-stroke engine.
- 4-channel radio with six servos.
- Glow plug to suit engine.
- Propeller to suit engine.
- Protective foam rubber for radio
system.
- Silicone fuel line.
- Stick-on weights for balance
(If necessary).
TOOLS & SUPPLIES NEEDED.
- Thick cyanoacrylate glue.
- 30 minute epoxy.
- 6 minute epoxy.
- Hand or electric drill.
- Assorted drill bits.
-Modellingknife.
- Straight edge ruler.
- 2mm ball driver.
- Phillips head screwdriver.
- 220 grit sandpaper.
- 90° square or builder’s triangle.
- Wire cutters.
- Masking tape & T-pins.
- Thread-lock / Paper towels.
PARTS LISTING.
FUSELAGE ASSEMBLY
* (1) Fuselage.
* (1) Pre-installed throttle pushrod &
tube.
* (1) Pre-installed servo tray.
* (1) Pre-installed rudder pushrod.
* (1) Pre-installed elevator pushrod.
WING ASSEMBLY.
* (1) Right wing half with pre-
installedaileron.
* (1) Left wing half with pre-installed
aileron.
* (2) Pre-installed plywood aileron
servo tray in each wing.
* (1) Plywood wing dihedral brace.
* (1) Covering strip for centre
section joint.
TAIL SECTION ASSEMBLY.
* (1) Vertical stabilizer with pre-
installedrudder.
* (1) Horizontal stabilizer with pre-
installedelevator halves.

FAIRCHILD PT-19 Instruction Manual
3
NOTE:To avoid scratching your new aero-
plane we suggest that you cover
your workbench with an old towel.
Keepacoupleofjarsorbowlshandy
toholdthesmallpartsafteryouopen
the bags.
Please trial fit all parts. Make sure
you have the correct parts and that
they fit and are aligned properly be-
fore gluing! This will ensure proper
assembly as the PT-19 is made
fromnaturalmaterialsandminorad-
justments may have to be made.
The paint and plastic parts used in
thiskit are fuel proof. However, they
arenottolerantofmanyharshchemi-
cals including the following: paint
thinner, cyano-acrylate glue accel-
erator,cyanoacrylategluede-bonder
andacetone.Donotletthesechemi-
calscomeincontactwiththecolours
onthecoveringandtheplasticparts.
The control surfaces, including the
ailerons, elevators, and rudder, are
prehinged with hinges installed, but the
hinges are not glued in place. It is
imperativethatyouproperly adhere the
hingesinplace per the steps that follow
using a high-quality thin C/A glue.
!1)Carefullyremove the aileron from one of
thewingpanels.Notethepositionofthehinges.
!2)Remove each hinge from thewingpanel
and aileron and place a T-pin in the center of
each hinge. Slide each hinge into the wing
panel until the T-pin is snug against the wing
panel. This will help ensure an equal amount
ofhinge is oneithersideof the hinge linewhen
the aileron is mounted to the aileron.
HINGING THE AILERONS.
Note:
Hinge.
T-pin.
Hinge.
T-pin.

FAIRCHILD PT-19 Instruction Manual
4
T-pin.
T-pin.
Work the aileron up and down several
times to “work in” the hinges and check
for proper movement.
HINGING THE ELEVATORS.
Note:
!4)Deflect the aileron and completely
saturate each hinge with thin C/A glue. The
aileronsfront surface should lightlycontactthe
wing during this procedure. Ideally, when the
!8)Afterbothailerons are securely hinged,
firmly grasp the wing panel and aileron to
make sure the hinges are securely glued and
cannot be pulled out. Do this by carefully
applying medium pressure, trying to separate
the aileron from the wing panel. Use caution
not to crush the wing structure.
!7) Repeat this process with the other wing
panel, securely hinging the aileron in place.
!5)Turnthewingpaneloveranddeflectthe
aileron in the opposite direction from the
opposite side. Apply thin C/A glue to each
hinge,makingsurethat theC/A penetratesinto
both the aileron and wing panel.
!6)UsingC/Aremover/debonderandapaper
towel, remove any excess C/A glue that may
haveaccumulated on thewingorin the aileron
hingearea.
The hinge is constructed of a special
material that allows the C/A to wick or
penetrateand distribute throughout the
hinge, securely bonding it to the wood
structureofthewingpanelandaileron.
hinges are glued in place, a 1/64” gap or less
will be maintained throughout the lengh of the
aileron to the wing panel hinge line.
Note:
C/Aglue.
C/Aglue.
Glue the elevator hinges in place using the
same tectniques used to hinge the ailerons.
!3) Slide the wing panel on the aileron until
there is only a slight gap. The hinge is now
centered on the wing panel and aileron.
Remove the T-pins and snug the aileron
against the wing panel.A gap of 1/64” or less
shouldbemaintainedbetweenthewingpanel
andaileron.

FAIRCHILD PT-19 Instruction Manual
5
WING ASSEMBLY.
NOTE:We highly recommend using 30
minute epoxy as it is stronger and
providesmoreworkingtime,allowing
thebuildertoproperlyaligntheparts.
Using fast cure epoxy when joining
the wing halves could result in the
gluedryingbeforethewinghalvesare
aligned properly which may result in
failure of the wing centre section
duringflight.
! 1) Locate the plywood wing dihedral
brace.Usingaruler,locateitscentreanddraw
a vertical line .
! 3) Remove the brace when satisfied
with its fit ineach wing half. Coat both sides of
one half of the dihedral brace with 30 minute
epoxy.Next,poursomeepoxyintothedihedral
boxinonewingpanel.Makesureyoucoverthe
top and bottom as well as the sides of the
dihedral brace. Use enough epoxy to fill any
gaps.
Glue the rudder hinges in place using the
same tectniques used to hinge the ailerons.
HINGING THE RUDDER.
Carefully slide the two wing halves together
and firmly press them together, allowing the
excess epoxy to run out. There should not be
any gap in the wing halves. Use rubbing
alcohol and a paper tower to clean up any
excess epoxy.
Apply masking tape at the wing join to hold
the wing halves together securely.
Epoxy.
Hinge.
! 2) Test fit the dihedral brace into each
winghalf.Thebraceshouldslideineasilyupto
thecentrelinethatyoudrew.Ifnot,use220grit
sandpaper with a sanding block and sand
down the edges and ends of the brace until it
fits properly.
Center line

FAIRCHILD PT-19 Instruction Manual
6
! 4) Whentheepoxyhascured,carefully
remove the masking tape from the wing.
! 5) Peel off the backing from the self
adhesive covering strip. Apply the strip to the
centre section of the wing starting from the
bottomtrailingedge.Wrapthestripalltheway
aroundthe winguntilit meetsthetrailing edge
again. Trim off any excess strip.
INSERT PLYWOOD WASHER.
INSTALLING THE AILERON SERVOS.
! 1) Install the rubber grommets and
brass collets onto the aileron servo. Test fit
the servo into the aileron servo mount.
Because the size of servos differ, you
may need to adjust the size of the precut
opening in the mount. The notch in the
sides of the mount allow the servo lead
to pass through.
Remove covering.
Removecovering.
Glue attach.
Maskingtape.
! 3) Tie a weight such as the fuel tank
pickup to a piece of string. Carefully feed the
string through the wing and out of the servo.
Weight.
String.
! 2) Temporarillyinstalltheaileronservo
into the servo mount, with the output shaft
towards the leading edge of the wing. Drill
1mm pilot holes through the mount. Remove
the servo from the wing.

FAIRCHILD PT-19 Instruction Manual
7
String.
! 4) Attach the string to the servo lead
and carefully thread it though the wing. Once
you have thread the lead throught the wing,
remove the string so it can use for the other
servo lead. Tape the servo lead to the wing to
prevent it from falling back into the wing.
! 5) Tape the servo lead to the wing to
prevent it from falling back into the wing.
! 6) Reinstall the servo into the servo
mount and secure the servo inplace using the
wood screws provided with you radio system.
Repeat the procedure for the other wing
half.
String.
String.
Servo wire.
Plastic tape.
AILERON LINKAGE.
! 1) Using a ruler&pento draw a straight
line as picture below.
Pen.
Line.

FAIRCHILD PT-19 Instruction Manual
8
! 7) Make a 90-degree bend at the mark
and cut off the excess wire leaving 7mm past
thebend.
! 9) Connect the linkage as shown and
secure the control wire with a wire keeper.
Repeat the procedure for the other ai-
leron servo.
! 6) With the aileron servo centered and
the aileron even with the trailing edge of the
wingattach the clevis to thecontrolhorn.Mark
the control wire where it crosses the servo
arm hole.
! 2) Locate thetwonyloncontrolhorns, two
nylon control horn backplates and four
machine screws.
! 3) Positiontheaileron hornonthe bottom
side of aileron. The clevis attachment holes
should be positioned over the hinge line.
ControlHorn.
MountingScrews. MountingPlate.
! 4)Using a 1mm drill bit and the control
horns as a guide, drill the mounting holes
through the aileron halves.
! 5) Mount the control horns by inserting
thescrews through the controlhornbasesand
aileron halves, then into the mounting
backplates. Do not overtighten the screws or
the backplates may crush the wood.
Pen.
Cut.
2mm X 20mm.
Clevis.
Snapkeeper.
7mm.

FAIRCHILD PT-19 Instruction Manual
9
Remove
covering.
Main gear mounting slot.
MAIN LANDING GEAR
INSTALLATION.
INSTALLING THE MAIN GEAR WIRES.
! 1) Using a modeling knife, remove the
covering from over the two main gear mount-
ingslots locatedinthebottomof thewing. One
slot is located in each wing half.
! 5)Removethe two straps andthegear
wire. Drill four 1mm pilot holes into the wing
for the wood screws.
Be careful not to drill through the top
of the wing!
! 2) Insert the 90ºbend of one main gear
wire into the predrilled hole in one mounting
slot.
! 3) The landinggearwire isheldinplace
using two nylon landing gear straps and four
3mm x 10mm wood screws.
NOTE: The straps should be located
equal distance from the inside and outside
ends of the wire.
! 4) Using the two landing gear straps as
a guide, mark the locations of the four 3mm x
10mm mounting screws onto the wing sur-
face.
Traps.
! 6) Reinstall the gear wire and install
the straps using the four 3mm x 10mm wood
screws. Tighten the screws completely to
secure the gear wire in place.
INSTALLINGTHE MAIN GEAR WHEELS.
! 2) Slide one wheel onto each axle and
pushthemupagainst the wheel collars. Slide
the remaining wheel collars with set screws
onto the axles. Push them up against the
wheels and tighten the set screws. The
wheels should spin free and not bind in any
way. If they do bind, loosen the set screws in
the outer wheel collars and move the collars
outasmall amount. Retighten the set screws.
! 1) Slide one wheel collar screw onto
each axle. Push the wheel collars on as far
as they will go and tighten the set screws.
Be careful not to overtighten the set
screws. Overtightening may cause the
threads to strip.

FAIRCHILD PT-19 Instruction Manual
10
Attachthe silicone fuel,feed andpressure
pipe to the tank. The lower pipe is the ‘feed’
and the upper is the ‘pressure’ . The silicone
fuel pipe is the next of feed pipe.
! 5) With the stopper assembly in
place, the weighted pickup should rest away
from the rear of the tank and move freely in-
side the tank. The top of the vent tube should
rest just below the top of the tank. It should
not touch the top of the tank.
! 6) When satisfied with the align-
mentof the stopper assemblytightenthe3mm
x 20mm machine screw until the rubber stop-
INSTALLING THE STOPPER ASSEMBLY.
! 1) Usinga modelingknife,carefullycut
off the rear portion of one of the 3 nylon tubes
leaving 1/2” protruding from the rear of the
stopper. This will be the fuel pick up tube.
! 2) Using a modeling knife, cut one
length of silicon fuel line. Connect one end of
the line to the weighted fuel pick up and the
other end to the nylon pick up tube.
! 3) Carefullybendthe secondnylontube
up at a 45º angle. This tube is the vent tube.
To set the angle of the vent tube use a lighter
or heat gun to heat the tube (do not melt the
tube).
FUEL TANK.
When the stopper assembly is installed
inthetank,thetopoftheventtubeshouldrest
justbelow the topsurfaceof the tank. Itshould
not touch the top of the tank.
! 4) Test fit the stopper assembly into
thetank. It may benecessaryto remove some
of the flashing around the tank opening using
a modeling knife. If flashing is present, make
sure none falls into the tank.
Vent tube.
Fuel Pick up Tube.
Fuel fill Tube.
INSTALLING THE ENGINE MOUNT.
See pictures below:
M4 machine
screw.
4x20mm.

FAIRCHILD PT-19 Instruction Manual
11
Slide the tank into the fuselage from inside
so that the neck is at the top of the fuselage
and it locates through the engine bulkhead.
Gently secure it to the top horizontal former
with the cable tie .
MOUNTING THE ENGINE.
PARTSREQUIRED
! 1) Install the pushrod housing through
the predrilled hole in the firewall and into the
servo compartment. The pushrod housing
should protrude 1/4" out past the front of the
firewall. Make a Z-Bend 1/4" from one end of
the plain wire pushrod.
Vent tube.
Fuelfill
Tube. Fuel Pick up
Tube.
FuelTank.
3 x 25mm.
! 2) Bolt the engine to the engine
mount using the four machine screws.
Double cheek that all the screws are tight
beforeproceeding.
Pushrod wire.
115mm.
! 3) Attach the Z-Bend in the pushrod
wire to the throttle arm on the carburetor. You
will need to remove the throttle arm from the
car- buretor to be able to attach the Z-bend.
When complete, reattach the throttle arm to
the car- buretor.
Blow through one of the lines to en-
sure the fuel lines have not become kinked
inside the fuel tank compartment. Air
should flow through easily.
You should mark which tube is the
vent and which is the fuel pickup
when you
attach fuel tubing to the tubes in the
stopper. Once the tank is installed inside
thefuselage, itmay be difficult to determine
each of them.

FAIRCHILD PT-19 Instruction Manual
12
! 7) Slide the cowl back over the engine
andsecureitinplaceusing four 3mm x 10mm
wood screws. See picture below.
front of the cowl should be positioned so the
crankshaft is in the middle of the cowl open-
ing. Holdthecowl firmly in place using pieces
of masking tape.
! 4) With the cowl held firmly in place,
transferthe marksfromthe fuselage,thatwere
drawn onto the fuselage previously, onto the
cowl. Using a ruler and a pen, measure for-
ward from the back edge of the cowl, at the
four mounting locations, and place a mark.
! 5) While holding the cowl firmly in po-
sition, drill four 1mm pilot holes through both
the cowl and through the fuselage side.
Because of the diameter of the cowl,
it may be necessary to use a needle valve
extension for the high speed needle
valve. Make this out of sufficient length
1.5mm wire and install it into the end of
the needle valve. Secure the wire in place
by tightening the set screw in the side of
the needle valve.
! 6) Remove the cowl using a 2.5mm
drill bit. Enlarging the holes through the cowl
will prevent the fiberglass from splitting when
the mounting screws are installed.
! 9) Install the muffler and muffler exten-
sion onto the engine and make the cutout in
the cowl for muffler clearance. Connect the
fuel and pressure lines to the carburetor, muf-
fler and fuel filler valve.
PARTS REQUIRED
!{1} Molded Fiberglass Cowling
!{4} 3mm x 10mm Wood Screws
COWLING.
MOUNTING THE COW.
! 2) Slide the fiberglass cowl over the
engine and line up the back edge of the cowl
with the marks you made on the fuselage.
! 3) While keeping the back edge of the
cowl flush with the marks, align the front of
thecowl withthecrankshaft oftheengine. The
! 1) You should make holes on cowl to
suit your engine. See photos below.

FAIRCHILD PT-19 Instruction Manual
13
INSTALLINGTHEFUSELAGESERVOS.
INSTALLING THE SWITCH.
! 1) Install theswitch into theprecut hole
in the fuselage. Use the two screws provided
with the switch to secure it in place.
Open hole
for air intake.
!2)Install therubbergrommetsandbrass
collets onto the elevator, rudder and throttle
servos. Test fit the servos into the preinstalled
servo tray. Because the size of servos dif-
fer, you may need to adjust the size of the
precut openings in the tray.
! 3) Position the servosintotheservotray
with the output shafts orientated as shown
below. Drill 1/16” pilot holes through the tray
for each of the mounting screws.
Install servos arm to servos. Notice the po-
sition of the servo arms on the servos. See
picture below.
Rudder.
Elevator.
Throttle.
Elevator.
Switch.
Throttle.
Elevator.
Rudder.
Elevator.
Switch.
Switch.

FAIRCHILD PT-19 Instruction Manual
14
! 2) Remove the stabilizer. Using the
lines you just drew as a guide, carefully re-
move the covering from between them using
a modeling knife.
! 4) When you are sure that everything
isaligned correctly, mixupagenerous amount
of 30 Minute Epoxy. Apply a thin layer to the
topandbottomofthestabilizermountingarea
and to the stabilizer mounting platform sides
in the fuselage. Slide the stabilizer in place
and realign. Double check all of your mea-
surementsoncemore before the epoxy cures.
Holdthe stabilizerin placewithT-pinsormask-
ing tape and remove any excess epoxy using
a paper towel and rubbing alcohol.
! 3) Using a modeling knife, carefully re-
move the covering that overlaps the stabilizer
mounting platform sides in the fuselage. Re-
move the covering from both the top and the
bottom of the platform sides.
When cutting through the covering to
remove it, cut with only enough pressure
to only cut through the covering itself.
Cutting into the balsa structure may
weaken it.
Pen.
! 4) Install the wing onto the fuselage.
Align the centerline drawn on the top and the
rear of the stabilizer with the center of the fu-
selage. When that is aligned, hold the stabi-
lizer in that position using T-pins or masking
tape. Align the horizontal stabilizer with the
wing. When viewed from the rear, the hori-
zontal stabilizer should be level with the wing.
Ifitisnot level, use sandpaper and sand down
the high side of the stabilizer mounting plat-
form until the proper alignment is achieved.
The tips of the stabilizer should also be equal
distance from the tips of the wing.
! 5) When you are satisfied with the align-
ment, hold the stabilizer in place with T- pins
or masking tape, but do not glue at this time.
! 2) Using a modeling knife, carefully
removethe covering fromoverthevertical sta-
bilizermountingslotin the top of the fuselage.
! 3) Slide the stabilizer into place in the
pre-cut slot in the rear of the fuselage. The
stabilizer should be pushed firmly against the
front of the slot.
HORIZONTALSTABILIZER.
PARTSREQUIRED
ALIGNINGTHE HORIZONTALSTABILIZER.
! 1) Using a ruler and a pen, locate the
centerlineofthehorizontalstabilizer,atthetrail-
ing edge, and place a mark. Use a triangle
and extend this mark, from back to front,
across the top of the stabilizer. Also extend
thismarkdown the back of the trailing edge of
the stabilizer.
{1} Horizontal Stabilizer with Elevator
Halves
MOUNTINGTHE HORIZONTALSTABILIZER.
! 1) With the stabilizer held firmly in
place, use a pen and draw lines onto the sta-
bilizer where it and the fuselage sides meet.
Do this on both the right and left sides and top
and bottom of the stabilizer.
Draw centerline.
Remove covering.

FAIRCHILD PT-19 Instruction Manual
15
VERTICAL STABILIZER
INSTALLATION.
PARTSREQUIRED
{1} Vertical Stabilizer with Rudder
! 1) Using a modeling knife, remove the
covering from over the precut hinge slot cut
intothe lowerrearportion of thefuselage. This
slot accepts the lower rudder hinge.
! 2) Slide the vertical stabilizer into the
slot in the top of the fuselage. The rear edge
of the stabilizer should be flush with the rear
edge of the fuselage and the lower rudder
hinge should engage the precut hinge slot in
the lower fuselage. The bottom edge of the
stabilizershouldalso be firmly pushed against
the top of the horizontal stabilizer.
ALIGNINGTHEVERTICALSTABILIZER.
! 5) After the epoxy has fully cured, re-
move the masking tape orT-pins used to hold
the stabilizer in place. Carefully inspect the
glue joints. Use more epoxy to fill in any gaps
that may exist that were not filled previously
and clean up the excess using a paper towel
and rubbing alcohol.
Hinge.
HingeSlot.
! 3) While holding the vertical stabilizer
firmly in place, use a pen and draw a line on
each side of the vertical stabilizer where it
meets the top of the fuselage.
! 4) Remove the stabilizer. Using a mod-
elling knife, remove the covering from below
the lines you drew. Also remove the covering
from the bottom edge of the stabilizer and the
bottomand topedgesof the fillerblock. Leave
the covering in place on the sides of the filler
block.
When cutting through the covering to
remove it, cut with only enough pressure
to only cut through the covering itself.
Cutting into the balsa structure may
weaken it.
Pen.
Remove covering.

FAIRCHILD PT-19 Instruction Manual
16
! 6) When youare surethat everything is
alignedcorrectly,mixup agenerousamountof
Flash30MinuteEpoxy. Applyathinlayertothe
mounting slot in the top of the fuselage and to
the sides and bottom of the vertical stabilizer
mountingarea. Apply epoxytothebottom and
top edges of the filler block and to the lower
hinge also. Set the stabilizer in place and re-
align. Double check all of your measurements
once more before the epoxy cures. Hold the
stabilizer in place with T-pins or masking tape
and remove any excess epoxy using a paper
towel and rubbing alcohol. Allow the epoxy to
fully cure before proceeding.
! 5) Slide the vertical stabilizer back in
place. Using a triangle, check to ensure that
theverticalstabilizerisaligned 90º to the hori-
zontal stabilizer.
90º Vertical
Stabilizer.
Horizontal
Stabilizer.
CONTROL HORN INSTALLATION.
! 1) Locate thetwonyloncontrolhorns, two
nylon control horn backplates and four
machine screws.
!2) Position the elevator horn on the right
and left side of elevator. The clevis attach-
mentholesshouldbepositionedoverthehinge
line.
!3) Using a 1.5mm drill bit and the control
horns as a guide, drill the mounting holes
through the elevator halves.
!4)Mount the control hornsbyinsertingthe
screws through the control horn bases and
eleva- tor halves, then into the mounting
backplates. Do not overtighten the screws or
the backplates may crush the wood.
!5) Position the rudder control horn on the
leftsideofthe airplane.Mountthe controlhorn
parallel with the horizontal stabilizer, not in-
line with the rudder hinge line.
ControlHorn.
MountingScrews. MountingPlate.
2mm X 20mm.
!6) Install the rudder control horn using the
same method as with the elevator control
horns.
Epoxyglue.

FAIRCHILD PT-19 Instruction Manual
17
ELEVATOR-RUDDER PUSHROD INSTALLATION.
Elevatorcontrolhorn.
Right side.
Pushrod. Clevis.
Elevator
Pushrod.
Rudder
pushrod.
!3) Whileholdingthe claspfirmlyinplace,
use a pen and outline the clasp onto the rud-
der.
!4) Remove the clasp, and using a mod-
eling knife, remove the covering from inside
the lines you drew. Use 220 grit sandpaper
andcarefully roughen the inside surface ofthe
nylon clasp.
!5) Slide the clasp backintopositionand
carefullyglueitintoplaceusingKwikBondThin
C/A. Holdthe claspinplace untiltheglue com-
pletely cures. Secure by 1 machine screw.
!2) Using a ruler and a pen place a mark
onto the bottom of the rudder. The back edge
of the clasp should line up with this mark.You
may find it necessary to bend the tail wheel
wire down slightly so it lines up with the clasp
withoutbinding.
!1) Alignthetail wheelwiresothatthewire
is parallel with the bottom of the rudder. The
controlclasp has a predrilled hole through the
topofit. Slide this hole onto the tail wheelwire
while sliding the clasp over the bottom of the
rudder.
MOUNTING THE CONTROL CLASP.
Controlclasp.
2x20mm.
Machine Screw
Elevator control
horn both side.
Rudder control horn.
Elevatorcontrolhorn.
Left side.

FAIRCHILD PT-19 Instruction Manual
18
ATTACHMENT WING-FUSELAGE.
See pictures below:
!1)Plugthefive servo leads and theswitch
lead into the receiver. Plug the battery pack
lead into the switch also.
!2) Wrap the receiver and battery pack in
the protective foam rubber to protect them
from vibration.
INSTALLINGTHERECEIVERAND BATTERY.
Antenna. Rubber
Band.
Modified
ServoArm.
Cut.
! 3) Using a 1/16” drill bit, drill a hole through
the side of the fuselage, near the receiver, for
the antenna to exit. Route the antenna out of
the fuselage and secure it to the vertical stabi-
lizer using a rubber band and a modified servo
arm. See picture as below.
When balancing the airplane you may
need to move the battery or receiver for-
ward or after to achieve proper balance.
2pcs.
PILOTS INSTALLATION.
! 1) It is critical that your airplane be bal-
anced correctly. Improper balance will cause
yourplaneto lose control and crash. The cen-
ter of gravity is located 6.5cm-7.5cm back
from the leading edge of the wing measure at
the wing tip. Balance the PT-19 upside down
with the fuel tank empty.
BALANCING.
CONTROL THROWS.
! 1) We highly recommend setting up
the PT-19 using the control throws listed be-
low. We have listed control throws for both
initial test flying/sport flying and aerobatic fly-
ing.
! 2) If the nose of the plane falls, the plane
is nose heavy. To correct this first move the
battery pack further back in the fuselage. If
this is not possible or does not correct it, stick
smallamounts of lead weight on thefuselage
sides under the horizontal stabilizer. If the tail
of the plane falls, the plane is tail heavy. To
correct this, move the battery and receiver
forward orif this is not possible, stick weight
ontothe firewalloruse abrassheavy hubspin-
nerhub,similartothoseofferedbyHarryHigley.
When balanced correctly, the airplane should
sit level or slightly nose down when you lift it
up with your fingers.
Battery.
Tie wrap.

FAIRCHILD PT-19 Instruction Manual
19
FLIGHT PREPARATION.
1) Check the operation and direction of
the elevator, rudder, ailerons and throttle.
A) Plug in your radio system per the
manufacturer's instructions and turn every-
thingon.
B) Check the elevator first. Pull back
on the elevator stick. The elevator halves
shouldmoveup. Ifittheydonot,flipthe servo
reversingswitch on your transmitter to change
the direction.
C) Check the rudder. Looking from
behind the airplane, move the rudder stick to
theright. Theruddershouldmove to the right.
! 4) By movingthe position of theadjust-
able control horn out from the control surface,
you will decrease the amount of throw of that
control surface. Moving the adjustable con-
trol horn toward the control surface will in-
crease the amount of throw.
! 2) Turn on the radio system, and with
thetrimtabsonthetransmitterinneutral,cen-
ter the control surfaces by making adjust-
mentstotheclevisesor adjustable servo con-
nectors. The servo arms should be centered
also.
! 3) When the elevator, rudder and aile-
ron control surfaces are centered, use a ruler
and check the amount of the control throw in
each surface. The control throws should
be measured at the widest point of each
surface!
2) Check Control Surface Throw.
A) The Rudder should move 3/4” left
and 3/4” right from center. If it moves too far,
turn theadjustable control horn out awayfrom
the rudder. Do the opposite if there is not
enough throw.
B) Both elevator halves should move
3/8”upand3/8”downfromcenter. Iftheymove
too far, turn the adjustable control horns out
away from the elevator halves. Do the oppo-
siteifthereisnot enough throw. Bothelevator
halves should also travel the same amount
throughout their total movement.
C) Theaileronsshouldmove 3/16” up
and 3/16” down from center. If the ailerons
move too much, turn the adjustable control
horns out away from the wing. Do the oppo-
site if there is not enough throw. It is impor-
tantthat both aileronsmovethesame amount,
both up and down.
D) Once thecontrolthrows andmove-
ments are set, tubing must be added to the
clevises to ensure they do not release in the
air. Cut a piece of fuel line into five 1/4” long
pieces. Unsnap the clevises and slip one
pieceover eachclevis. Snaptheclevisesback
in place and slide the tubing up over them.
should move up and the other aileron should
move down. If it does not, flip the servo re-
versing switch on your transmitter to change
the direction.
E) From behind the airplane, look at
the aileron on the right wing half. Move the
aileron stick to the right. The right aileron
D) Check the throttle. Moving the
throttle stick forward should open the carbu-
retor barrel. If it does not, flip the servo re-
versing switch on your transmitter to change
the direction.
Ifitdoesnot,fliptheservoreversingswitchon
your transmitter to change the direction.
INITIALFLYING/SPORT FLYING
Ailerons: 3/16” up 3/16” down.
Elevator: 3/8” up 3/8” down.
Rudder: 1” right 1” left.
AEROBATICFLYING
Ailerons: 3/8” up 3/8”down.
Elevator: 1” up 1”down.
Rudder: 2” right 2”left.
Donot use theaerobatic settings for
initialtest flyingor sportflying.

FAIRCHILD PT-19 Instruction Manual
20
PREFLIGHT CHECK.
1) Completely charge your transmitter
and receiver batteries before your first day of
flying.
2) Check every bolt and every glue joint
in the PT-19 to ensure that everything is tight
and well bonded.
We wish you many safe and enjoy-
able flights with your PT-19.
8) Properlybalancethepropeller. An out
of balance propeller will cause excessive vi-
bration which could lead to engine and/or air-
frame failure.
3) Double check the balance of the air-
plane. Do this with the fuel tank empty.
4) Checkthecontrolsurfaces. All should
move in the correct direction and not bind in
any way.
5) If your radio transmitter is equipped
withdualrateswitchesdoublecheckthatthey
are on the low rate setting for your first few
flights.
6) Check to ensure the control surfaces
are moving the proper amount for both low
and high rate settings.
7) Check the receiver antenna. It should
be fully extended and not coiled up inside the
fuselage.