Seagull Models SPARROW HAWK 62 CC Manuale utente

MadeinVietnam.

ASSEMBLY MANUAL MS: SEA 68

“Graphics and specfications may change without notice”.

Kit features.

• Ready-made—minimalassembly&finishingrequired.

• Ready-coveredcovering.

• Photo-illustratedstep-by-stepAssemblyManual.

Specifications

Wingspan--------------------------------------85.4in------------------------------216cm.

Wing area------------------------------------ 1371 sq.in-------------------- 88.5 sq.dm.

Approximate flying weight---------------- 19 lbs--------------------------------- 8.6kg.

Length-----------------------------------------71.5in-------------------------------181cm.

Recommended engine size-------------------------------- 62cc Gasoline Engine.

Radio System required 4 channels with 6 digital servos/karbonite or metal

gear.

Flying skill level Intermediate/advanced.

Item code : SEA 68.

SPARROW HAWK Instruction Manual

INTRODUCTION.

ThankyouforchoosingtheSPARROWHAWK ARTFbySEAGULLMODELS.TheSPARROW

HAWK wasdesignedwiththeintermediate/advancedsportflyerinmind.Itisa scale airplane which

iseasytoflyandquicktoassemble.Theairframeisconventionallybuiltusingbalsa,plywoodtomake

itstrongerthantheaverageARTF,yetthedesignallowstheaeroplanetobekeptlight.Youwillfind

thatmostoftheworkhasbeendoneforyoualready. Themotormounthasbeenfittedandthehinges

are pre-installed . Flying the SPARROW HAWK is simply a joy.

This instruction manual is designed to help you build a great flying aeroplane. Please read this

manualthoroughlybeforestartingassemblyofyourSPARROWHAWK.Usethepartslistingbelow

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.

If you are inexperienced with basic R/C flight we strongly recommend you contact your R/C

supplierandjoinyourlocalR/CModelFlyingClub.R/CModelFlyingClubsofferavarietyoftraining

proceduresdesignedtohelpthenewpilotonhiswaytosuccessfulR/Cflight.Theywillalsobeable

to advise on any insurance and safety regulations that may apply.

ADDITIONAL ITEMS REQUIRED.

62cc Gasoline Engine

Radio System required 4 channels

with 6 digital servos/karbonite or

metal gear.

Propeller to suit engine

Protective foam rubber for radio

system

fuel line

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

PARTS LISTING.

FUSELAGE ASSEMBLY

(1) Fuselage

WING ASSEMBLY

(1) Right wing half/ aileron

(1) Left wing half with/ aileron

(1) Aluminium dihedral brace

Tail section assembly

(1) Horizontal stabilizer/ elevator

halves.

(1) Rudder halves.

Some more parts.

HARDWAREPACK

COWLING

Landinggear.....

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NOTE: To avoid scratching your new aero-

planewesuggestthatyoucoveryour

workbench with an old towel. Keep a

couple of jars or bowls handy to hold

the small parts after you open the

bags.

Pleasetrialfitallparts.Makesureyou

have the correct parts and that they

fit and are aligned properly before

gluing! This will ensure proper as-

semblyasthe SPARROWHAWK is

made from natural materials and

minor adjustments may have to be

made. Thepaint and plastic parts

used in this kit are fuel proof. How-

ever, they are not tolerant of many

harshchemicalsincludingthefollow-

ing:paintthinner,cyano-acrylateglue

accelerator, cyanoacrylate glue de-

bonderandacetone.Donotletthese

chemicals come in contact with the

coloursonthe coveringandtheplas-

tic parts.

1) Carefully remove the aileron from one

of the wing panels. Note the position of the

hinges.

2)Removeeach hinge fromthewingpanel

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

ofhingeison either sideofthehingeline when

the aileron is mounted to the aileron.

HINGING 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

shouldbe maintained betweenthe wing panel

andaileron.

The control surfaces, including the

ailerons, elevators, and rudder, are

prehinged with hinges installed, but the

hinges are not glued in place. It is

imperativethat you properly adhere the

hingesin placeper the steps that follow

using a high-quality thin C/A glue.

Note:

4)Deflect the aileron and completely

saturate each hinge with thin C/A glue. The

aileronsfrontsurfaceshould lightly contactthe

wing during this procedure. Ideally, when the

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: The hinge is constructed of a special

material that allows the C/A to wick or

penetrateanddistributethroughout the

hinge, securely bonding it to the wood

structureof the wingpanel and aileron.

Hinge

T-pins.

C/Aglue.

T-pins

Hinge.

SPARROW HAWK Instruction Manual

HINGING THE ELEVATOR.

8)Afterbothailerons are securelyhinged,

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)Turn the wingpanel over anddeflect the

aileron in the opposite direction from the

opposite side. Apply thin C/A glue to each

hinge,makingsurethat the C/A penetrates into

both the aileron and wing panel.

6) Using C/A remover/debonder and a

papertowel, remove anyexcess C/A gluethat

may have accumulated on the wing or in the

aileronhinge area.

HINGING THE RUDDER.

Glue the elevator hinges in place using the

same tectniques used to hinge the ailerons.

Glue the rudder hinges in place using the

same tectniques used to hinge the ailerons.

Work the aileron up and down several

times to “work in” the hinges and check

for proper movement.

Note:

INSTALLING THE AILERON SERVOS.

Using a small weight (Weighted fuel pick-up

workswell) andstring, feedthe string through

the wing as indicated.

Servos.

Small weight.

String.

Because the size of servos differ, you

mayneedtoadjustthe size of the precut open-

ing in the mount. The notch in the sides of

themountallowtheservoleadtopassthrough.

Small weight. String.

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Electric wire.

Attach the string to the servo lead and

carefully thread it though the wing. Once you

havestringthelead throught thewing,remove

the string so it can use for the other servo

lead.Tapetheservoleadtothewingtoprevent

it from falling back into the wing. Repeat the procedure for other wing

haft.

Secure the servos with the screws pro-

vided with your radio system.

AILERONCONTROLHORNINSTALLATION.

 2) Thread the screw (insert the washer) in

tothe holefrom the top of surface. Wipe away

any excess epoxy on the wing and screw with

rubbing alcohol and a paper towel. Screw the

M3 nut (insert the washer) in place as shown.

Alllow the epoxy to fully cure.



1) Aileron control horn:

Mix a small amount of 30 minute epoxy and

lightly coat the inside of the hole in the aileron

and the 3x45mm control horn screw.

Wing. Aileron.

3x45mm.

Plastic Tape.

Electric wire.

Pull.

Electric wire.

String.

SPARROW HAWK Instruction Manual

M lock

MetalLevis.

Repeat the procedure for other aileron.

Center the servo using the radio system.

AILERON PUSHROD INSTALLATION.

Aileron pushrods assembly follow pictures

below.

PushrodL= 114mm.

INSTALLING THE MAIN GEAR WIRES.

3 x 15 mm.

Aileroncontrol horn.

M lock nut.

3Wing bottom.

M nut.

control horn.

Aluminium washer.

3.2 mm.

3 x 10 mm.

Loctite secure.

(Wheel not

included).

Pre-drill at factory.

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1) Using a modeling knife, remove the

covering from over the two main gear mount-

ing slots located in the bottom of the wing.

2) Insert the 90º bend of one main gear

wire into the predrilled hole in one mounting

slot.

4) Remove the two straps and the gear

wire. Drillfour 1.5mmpilot holes into the wing

for the wood screws.

3) Using the two landing gear straps as

a guide, mark the locations of the four 3 x

15mm mounting screws onto the wing sur-

face.

 5) The landing gear wire is held in place

using two nylon landing gear straps and four

3mm x 15mm wood screws.

The straps should be located equal dis-

tance from the inside and outside ends

ofthe wire.

Support

mounting block.

Support mounting

block possition.

Remove covering.

Machine screw 3 x 15 mm.

SPARROW HAWK Instruction Manual

Reinstall thegear wireand install thefour 3 x

15mmwood screws.Tightenthescrews com-

pletely to secure the gear wire in place.

WING ASSEMBLY.

NOTE: We highly recommend using 30

minute epoxy as it is stronger and provides

more working time, allowing the builder to

properlyalignthe parts. Using fastcureepoxy

whenjoiningthewinghalvescouldresultinthe

gluedryingbeforethewinghalvesarealigned

properlywhichmayresultinfailureofthewing

centre section during flight.

 1)TestfittheWingtubeintoeachwinghalf.

The brace should slide in easily up to the

centreline that you drew. If not, use 220 grit

sandpaper with a sanding block and sand

down the edges and ends of the brace until it

fits properly.

Be careful do not to drill through the

top of the wing!

Maskingtape.

WHEEL PANT INSTALLATION.

glue.

The wheel pant assembly follow pictures be-

low.

Epoxyglue.

Machine screw 3 x 10 mm.

Machine screw 3 x 15 mm.

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 3) Peel off the backing from the self adhe-

sivecoveringstrip.Applythestriptothecentre

section of the wing starting from the bottom

trailingedge.Wrapthestripallthewayaround

the wing until it meets the trailing edge again.

Trim off any excess strip.

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.

2) Remove the brace when satisfied with

itsfitineachwinghalf.Coat thedihedralbrace

with30 minuteepoxy. Next,pour someepoxy

into the dihedral box in one wing panel. Make

sure you cover the top and bottom as well as

the sides of the dihedral brace.Use enough

epoxy to fill any gaps.

Maskingtape.

1) Install the pushrod housing through the

predrilledholein the firewallandinto the servo

compartment. The pushrod housing should

protrude 1/4" out past the front of the firewall.

MakeaZ-Bend 1/4" fromone end oftheplain

wire pushrod.

MOUNTING THE ENGINE.

Epoxy. see pictures below.Make yourself the

template of your engine on paper.

ENGINE INSTALLATION.

 1) Line up the template with the firewall

thrust line.

 2)Enginemoutingholesaftermarkingwith

thetemplate.Inserttheblindnuts(notinclued).

SPARROW HAWK Instruction Manual

INSTALLING THE STOPPERASSEMBLY.

3) Carefully bend the second nylon tube

up at a 45º angle. This tube is the vent tube.

Venttube. Fuel pick up tube.

Fuel fill tube.

 3) AttachtheZ-Bendin thepushrodwire to

the throttle arm on the carburetor.

 2) Insert the 4 bolts Through the engine

mount,Spacess and Washers.Insert the bolts

Through the firewall and washell and lock

nits.Tighten use loctite to secure.

1) Using a modeling knife, carefully cut

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) Usinga modeling knife, cut onelength

of fuel line. Connect one end of the line to the

weightedfuel pick up and the otherend tothe

nylon pick up tube.

170MM.

Pushrod wire.

Indice

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