Black Horse Model PITTS Owner's manual

SPECIFICATION


Wingspan : 1.500 mm 59.06 in.


Length : 1.330 mm 52.36 in.


Weight : 4.7 kg 10.34 Lbs.


Radio : 6 channels.


Servo : 7 servos.


Engine : 120 2stroke.
Instruction Manual book
MadeinVietnam.

2
PITTS - ITEM CODE: BH85.Instruction Manual
This instruction manual is designed to help you build a great flying aeroplane. Please read this
manual thoroughly before starting assembly of your PITTS. Use the parts listing below to identify
all 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
proceduresdesignedtohelpthenew pilotonhiswaytosuccessfulR/C flight.Theywillalso beable
to advise on any insurance and safety regulations that may apply.
TOOLS & SUPPLIES NEEDED
Thick cyanoacrylate glue.
30 minute epoxy.
5 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.
Some more parts.
HARDWAREPACK
COWLING.
Landinggear.....
Toavoid scratching yournew airplane,donot
unwrap the pieces until they are needed for
assembly. Cover your workbench with an old
towel or brown paper, both to protect the air-
craftand toprotect thetable.Keepacoupleof
jars or bowls handy to hold the small parts af-
ter you open the bag.
Pleasetrialfitalltheparts. Makesureyouhave
the correct parts and that they fit and are
alignedproperly beforegluing!Thiswillassure
proper assembly. PITTS ARF is hand made
from natural materials, every plane is unique
andminor adjustmentsmayhave tobe made.
However, you should find the fit superior and
assembly simple.
The painted and plastic parts used in this kit
are fuel proof. However, they are not tolerant
of many harsh chemicals including the follow-
ing:paintthinner,C/Aglueaccelerator,C/Aglue
debonderandacetone. Donotletthesechemi-
cals come in contact with the colors on the
covering and the plastic parts.
PARTS LISTING
FUSELAGE ASSEMBLY
(1) Fuselage.
WING ASSEMBLY
(1) Right wing half with pre-installed
aileron.
(1) Left wing half with pre-installed
aileron.
Tail section assembly
(1) Vertical stabilizer with pre-
installedrudder.
(1) Horizontal stabilizer with pre-
installedelevator halves.
SUGGESTION
NOTE.

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PITTS - ITEM CODE: BH85.Instruction Manual
Caution: this model is not a toy!
If you are a beginner to this type of powered
model,please askan experiencedmodelflyer
forhelp andsupport.Ifyouattempttooperate
themodel withoutknowingwhat youaredoing
you could easily injure yourself or somebody
else. Please keep your safety and well-being
in mind at all times.
Important: before you start construction
Evenifyou havealready built alarge number
ofRC modelspleaseread rightthrough these
instructions and check all the kit components
against the parts list. We have taken great
trouble to keep construction as simple as
possible, without making any compromises
in the area of safety.
Note regarding the film covering
Minor creases or bubbles may develop in the
film covering due to major fluctuations in
weather conditions (temperature, humidity
etc.); in rare cases you may even find a slight
warp in a component. These minor faults are
in the nature of film-covered built-up wooden
structures, and can easily be corrected using
a heat gun, as commonly used for modelling.
Creases: Blowwarm airoverthearea
and rub down with a soft
cloth.
Wing warp: Hold the panel twisted
gently in the opposite
direction to the warp, and
apply warm air to remove
the creases from the
covering.
Caution! do not heat the film more than is
absolutely necessary. If the air or the iron is
too hot, the film may melt and holes may be
formed.
This model is highly pre-fabricated and can
bebuilt inavery shorttime.However,the work
which you have to carry out is important and
must be done carefully. The model will only
be strong and fly well if you complete your
tasks competently - so please work slowly
and accurately.
When self-tapping screws have to be
screwed into wood, apply a little white
glue to prevent them shaking loose: just
squirt white glue into the hole and fit the
screw.
+ This is not a toy
+ Be sure that no other flyers are using your
radio frequency.
+ Do not smoke near fuel
+ Store fuel in a cool, dry place, away from
children and pets.
+ Wear safety glasses.
+Theglowplug clipmustbesecurely attached
to the glow plug.
+ Do not flip the propeller with your fingers.
+ Keep loose clothing and wires away from
thepropeller.
+ Do not start the engine if people are near.
Donot standinlinewiththesideof thepropel-
ler.
+ Make engine adjustments from behind the
propeller only. Do not reach around the spin-
ningpropeller.
SAFETY PRECAUTION.
REPLACEMENT SMALL PARTS
B1. Wing panel (upper wing).
C. Fuselage.
A.Cowling.
D . Horizontal stabilizer.
F. Aluminium wing dihedral brace.
E. Vertical stabilizer
B2. Wing panel(lower wing).
C
D E
B2
F
A
B2
B1
B1

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PITTS - ITEM CODE: BH85.Instruction Manual
1. Wheels pants.
9. Fuel tank.
2. Main gear .
3. Wheels.
6. Tail gear.
8.Spinner.
C/Aglue
C/Aglue
Bottom side
Aileron
4. Plastic-enginemount.
C/Aglue
5. Covering of main gear.
7.Plastic forrudder.
10. Wing struts sets.
INSTALLING THEAILERON SERVO,CONTROL
HORN.
Top side Aileron
1. 1.
2.
3.
4.
6.
7.
5.
8.
9.
10.
Bottom side Aileron
Aileron Bottom side
C/Aglue
11.
11. Wing joining.
INSTALLING THEAILERONSERVO
(LOWERWING)

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PITTS - ITEM CODE: BH85.Instruction Manual
2.Using amodeling knife,remove thecov-
ering servo tray.
Secure
Aileron
1. Install the rubber grommets and brass
eyelets onto the aileron servo.
INSTALLING THEAILERON SERVO . 4) Drill1,6mm pilotholes throughthe block
of wood for each of the four mounting screws
provided with the servo.
3) Using the thread as a guide and using
masking tape, tape the servo lead to the end
of the thread: carefully pull the thread out.
When you have pulled the servo lead out, re-
move the masking tape and the servo lead
from the thread.
5. Instal servo tray with aileron servo into
the wing as same as picture below.
2x10mm.
Thread
Electric wire.
Remove covering.
Secure
2.INSTALLING THE AILERON CONTROL HORN.
(LOWER WING)
3mm x 40mm.
Nilon control clasp.
M3 lock nut.

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PITTS - ITEM CODE: BH85.Instruction Manual
Installing the aileron linkages as pictures
below.
Aileroncontrolhorn
INSTALLING THE AILERON
LINKAGES.
Control horn
of the aileron
M2 M2 lock nut
75mm

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PITTS - ITEM CODE: BH85.Instruction Manual
Repeat the procedure for the right lower
wing half.
C/Aglue
Bottom side
Parts requirement. See pictures below:
WING STRUT INSTALLATION
(UPPER WING).
C/Aglue
C/Aglue
C/Aglue
Bottom side

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PITTS - ITEM CODE: BH85.Instruction Manual
Secure
2 x 10mm
Repeat the procedure for the right lower
wing half (Top of right ).

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PITTS - ITEM CODE: BH85.Instruction Manual
1 1. Locate the aluminium wing dihedral
brace.
Top right side
JOINING THE WING HALVES
(UPPER MAIN WING).
Secure
Drill a hole 3mm
diameter
2.Testfitthealuminiumdihedralbraceinto
each wing half. The brace should slide in
easily.
Bottom side of left
upper a wing.
Aluminium brace.
Left
Right
Top side of left
upper a wing.
Top side of right
upper a wing.
4 x 30mm
Drill a hole 3mm
diameter
Top left side
Secure

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PITTS - ITEM CODE: BH85.Instruction Manual
Top side
Bottom side
4x30mm
4x30mm
3) Carefully bend the second nylon tube
up at a 45 degree angle (using a cigarette
lighter). This tube will be the vent tube to the
muffler.
4) Carefullybendthe thirdnylontubedown
ata 45degreeangle (usingacigarettelighter).
This tubewill bevent tubeto thefuelingvalve.
INSTALLING THE STOPPER ASSEMBLY
1) The stopper has been pre-assembled
at the factory.
2) Using a modeling knife, cut one length
ofsilicon fuelline(thelengthofsiliconfuel line
iscalculatedbyhowtheweightedclunkshould
restabout 8mmaway fromtherearofthetank
andmove freelyinside thetank). Connectone
FUEL TANK.
end of the line to the weighted clunk and the
otherend tothenylonpickuptubein thestop-
per.
Drill a hole
4mmdiameter
See pictures below:
INSTALLING THE ENGINE MOUNT.