Seagull Models Mini Sparrowhawk EP Manuale utente
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ASSEMBLY MANUAL
MS: X68
Specifications:
Wingspan---------------------------35.4in(90cm).
Wingarea--------------235.6sq.in(15.2sqdm).
Weight----------------1.4-1.9lbs(0.63-0.85kg).
Length-----------------------------29.6in(75.2cm).
Speedcontrol(ESC)------------15A-30Aamp.
Motor -------------------------------------- 450-480.
Radio-----------4channelswith4miniservos.
Battery3-cell 1800mAhto 2100mAhLi-Po.
10 x 5E Electric Prop.
“Graphics and specifications may change without notice”.
MINI SPARROWHAWK EP Instruction Manual.
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INTRODUCTION.
Thankyouforchoosingthe MINISPARROWHAWKEP ARTFbySEAGULLMODELSCOMPANY
LTD. The MINI SPARROWHAWK EP was designed with the intermediate/advanced sport flyer in
mind. It is a semi scale airplane which is easy to fly and quick to assemble. The airframe is
conventionallybuiltusingbalsa,plywoodtomakeitstrongerthantheaverageARTF,yetthedesign
allows the aeroplane to be kept light. You will find that most of the work has been done for you
already.The motor mount has been fitted and the hinges are pre-installed . Flying the MINI
SPARROWHAWK EP is simply a joy.
This instruction manual is designed to help you build a great flying aeroplane. Please read this
manual thoroughly before starting assembly of your MINI SPARROWHAWK EP . 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
proceduresdesigned to helpthenewpiloton hiswaytosuccessfulR/C flight. Theywillalsobeable
to advise on any insurance and safety regulations that may apply.
KIT CONTENTS
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KIT CONTENTS.
1 Fuselage
2 Canopy
3 Left wing panel
4 Right wing panel
5 Tail set
6 Carbon fiber wing tube
7 Pilot
8 Fiberglass cowl
9 Hardware bag included.
ADDITIONAL ITEMS REQUIRED.
Motor 450-480
4 channel radio with 4 mini servos
Propeller to suit engine
Protective foam rubber for radio
system
The control surfaces, including the
ailerons, elevators, and rudder, are
prehinged with hinges installed, but
the hinges are not glued in place. It
is imperative that you properly
adhere the hinges in place per the
steps that follow using a high-quality
thin C/A glue.
HINGING THE AILERONS .
Note:
1) Carefully remove the aileron from one
of the wing panels. Note the position of the
hinges.
2)Removeeachhingefromthewingpanel
and aileron and place a T-pin in the center of
each hinge. Slide each hinge into the aileron
untiltheT-pin issnug againstthe aileron.This
will help ensure an equal amount of hinge is
oneither side ofthehingelinewhenthe aileron
is mounted to the wing panel.
Hinge.
T-pin.
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 3) Slide the aileron on the wing panel 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
shouldbemaintained between the wingpanel
andaileron.
MINI SPARROWHAWK EP Instruction Manual.
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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.
6) Using C/A remover/debonder and a
papertowel,remove any excess C/A gluethat
may have accumulated on the wing or in the
aileronhinge area.
5)Turnthewing panel over and deflectthe
aileron in the opposite direction from the
opposite side. Apply thin C/A glue to each
hinge,making surethattheC/A penetratesinto
both the aileron and wing panel.
Workthe aileron upand down several
times to “work in” the hinges and
check for proper movement.
Note:
HINGING THE ELEVATORS.
4) Deflect the aileron and completely
saturate each hinge with thin C/A glue. The
aileronsfrontsurfaceshouldlightlycontactthe
wing during this procedure. Ideally, when
thehinges 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.
Hinge.
Thehinge is constructed of a special
material that allows the C/A to wick
or penetrate and distribute
throughout the hinge, securely
bonding it to the wood structure of
the wing panel and aileron.
Note:
2) Remove each hinge from the horizontal
stabilizerpaneland elevator and placeaT-pin
in the center of each hinge. Slide each hinge
intothe elevator until theT-pinis snug against
the elevator. This will help ensure an equal
amount of hinge is on either side of the hinge
line when the elevator is mounted to the
horizontal stabilizer panel.
1) Carefully remove the elevator from one
of the horizontal stabilizer panels. Note the
position of the hinges.
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Glue the elevator hinges in place using the
same techniques used to hinge the ailerons.
HINGING THE RUDDER.
Glue the rudder hinges in place using the
same techniques used to hinge the ailerons.
INSTALL THE AILERONS CONTROL
HORN.
Hinge.
Epoxy.
Aileron control horn .
INSTALL ELEVATOR CONTROL HORN.
Applyepoxyglue.
MINI SPARROWHAWK EP Instruction Manual.
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INSTALLING THE FUSELAGE SERVOS.
Elevator servo.
1) Installthe rubber grommets andbrass
colletsonto thethrottleservo. Testfit the servo
into the aileron servo mount.
2) Secure the servos with the screws pro-
vided with your radio system.
Because the size of servos differ, you
mayneedto adjust the size oftheprecutopen-
ing in the mount. The notch in the sides of the
mount allow the servo lead to pass through.
INSTALL RUDDER CONTROL HORN.
Rudder control horn.
Elevatorcontrolhorn.
Epoxy.
Cut.
Epoxy.
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Rudder servo.
Servos.
Smallweight. Thread.
INSTALLINGTHEAILERON.
2) Place the servo between the mounting
blocksand spaceitfromthehatch.Usea pencil
to mark the mounting hole locations on the
blocks.
3) Use drill bit in a pin vise to drill the mouting
holes in the blocks.
1) Usingasmall weight (Weightedfuel pick-up
workswell) andstring, feedthe string through
the wing as indicated.
Because the size of servos differ, you
mayneed toadjustthesize oftheprecutopen-
ing in the mount. The notch in the sides of
themountallowtheservolead topassthrough.
4) Apply 2-3 drops of thin C/A to each of the
mounting holes.Allow the C/Ato cure without
using accelerator.
6) Secure the servo to the aileron hatch using
Phillips screwdriver and the screws provided
with the servo.
5) Use dental floss to secure the connection
so they cannot become unplugged.
7) Apply 1-2 drops of thin C/A to each of the
mounting tabs. Allow the C/A to cure without
using accelerator.
MINI SPARROWHAWK EP Instruction Manual.
8
ELECTRIC POWER INSTALLATION.
1) Locate the items neccessary to install the
electric power installation.
2) Attach the electric motor box to the firewall
suitable with the cross lines drawn on the electric
motor box and firewall. Using epoxy and balsa
stick to secure the motor box to the
firewall.Please see pictures below.
8) A string has been provided in the wing to
pull the aileron lead through to the wing root.
Remove the string from the wing at the servo
location and use the tape to attach it to the
servoextensionlead.Pull the lead through the
wing and remove the string.
9) Set the aileron hatch in place and use a
Phillips screw driver to install it with four wood
screws.
Aileronservo.
15A-30A.
450-480.
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Battery.
M3 x 15mm. Electric motor.
110mm.
4mm.
4) Locate the plywood battery tray to the
fuselage.
3) Attach the motor to the front of the electric
motor box using four 3mm blind nut, four
M3x15mm hex head bolts to secure the motor.
Please see picture shown.
Battery.
Epoxy. Balsa.
Epoxy.
1800mAh-2100mAh.
Speed control.
5) Attach the speed control to the side of the
motor box using two-sided tape and tie wraps.
Connect the appropriate leads from the speed
control to the motor. Make sure the leads will
not interfere with the operation of the motor.
1) Slide the fiberglass cowl over the mo-
tor and line up the back edge of the cowl with
themarks you made onthe fuselage thentrim
and cut as shown.
COWLING.
15A-30A.
MINI SPARROWHAWK EP Instruction Manual.
10
INSTALLING THE 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
thismark down the backof thetrailing edge of
the stabilizer.
Becauseofthe size of the cowl,it may be nec-
essaryto use a needlevalve extensionfor the
highspeedneedlevalve. Makethis out of suf-
ficient length 1mm wire and install it into the
end of the needle valve. Secure the wire in
placeby tightening the setscrew in theside of
the needle valve.
Trim and cut.
Machine screw M2x6mm.
2) While keeping the back edge of the
cowl flush with the marks, align the front of
thecowl with thecrankshaft of themotor. The
front of the cowl should be positioned so the
crankshaft is in nearly the middle of the cowl
opening.Use thespinnerbackplateasa guide.
Hold the cowl firmly in place using pieces of
masking tape.
INSTALLING THE SPINNER.
Install the spinner backplate, propeller and
spinner cone.
The propeller should not touch any part
of the spinner cone. If it does, use a
sharp modeling knife and carefully trim away
the spinner cone where the propeller comes
in contact with it.
Indice
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